From: Paul Brossier <piem@piem.org>
Date: Fri, 22 Mar 2013 17:48:34 +0000 (-0500)
Subject: moved old python stuff out of tests/
X-Git-Tag: 0.4.0-beta1~150
X-Git-Url: https://git.aubio.org/?a=commitdiff_plain;h=bea5389eb36c37d99fd6cdaf1a4a80c5a03ca4d5;p=aubio.git

moved old python stuff out of tests/
---

diff --git a/python.old/tests_demo_bench/onset/bench-delay b/python.old/tests_demo_bench/onset/bench-delay
new file mode 100755
index 00000000..9a213d09
--- /dev/null
+++ b/python.old/tests_demo_bench/onset/bench-delay
@@ -0,0 +1,62 @@
+#! /usr/bin/python
+
+from aubio.bench.onset import benchonset
+from aubio.task.onset import taskonset
+from aubio.task.params import taskparams
+
+class mybenchonset(benchonset):
+
+	def run_bench(self,modes=['dual'],thresholds=[0.5]):
+		from os.path import dirname,basename
+		self.thresholds = thresholds
+		self.pretty_titles()
+
+		for mode in modes:
+			d = []
+			self.params.onsetmode = mode
+			self.params.localmin = True
+			self.params.delay = 1. 
+			self.params.threshold = thresholds[0]
+			#
+			self.params.localmin = False 
+			self.params.delay = 0. 
+			self.dir_eval_print()
+			self.plotdiffs(d,plottitle="Causal")
+			#
+			self.params.localmin = True
+			self.params.delay = 0. 
+			self.dir_eval_print()
+			self.plotdiffs(d,plottitle="Local min")
+
+			self.params.localmin = False 
+			self.params.delay = 6. 
+			self.dir_eval_print()
+			self.plotdiffs(d,plottitle="Fixed delay")
+
+			#self.plotplotdiffs(d)
+			outplot = "_-_".join(("delay",mode,basename(self.datadir) ))
+			for ext in ("png","svg","ps"):
+				self.plotplotdiffs(d,outplot=outplot,extension=ext)
+
+if __name__ == "__main__":
+	import sys
+	if len(sys.argv) > 1: datapath = sys.argv[1]
+	else: print "ERR: a path is required"; sys.exit(1)
+	modes = ['complex', 'energy', 'phase', 'hfc', 'specdiff', 'kl', 'mkl', 'dual']
+	#thresholds = [ 0.01, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2]
+	#modes = [ 'hfc' ]
+	thresholds = [0.5]
+
+	#datapath = "%s%s" % (DATADIR,'/onset/DB/*/')
+	respath = '/var/tmp/DB-testings'
+
+	benchonset = mybenchonset(datapath,respath,checkres=True,checkanno=True)
+	benchonset.params = taskparams()
+	benchonset.task = taskonset
+	benchonset.valuesdict = {}
+
+	try:
+		#benchonset.auto_learn2(modes=modes)
+		benchonset.run_bench(modes=modes,thresholds=thresholds)
+	except KeyboardInterrupt:
+		sys.exit(1)
diff --git a/python.old/tests_demo_bench/onset/bench-onset b/python.old/tests_demo_bench/onset/bench-onset
new file mode 100755
index 00000000..53a7ee95
--- /dev/null
+++ b/python.old/tests_demo_bench/onset/bench-onset
@@ -0,0 +1,68 @@
+#! /usr/bin/python
+
+from aubio.task import *
+
+from aubio.bench.onset import mmean, stdev, benchonset
+
+class mybenchonset(benchonset):
+
+	def run_bench(self,modes=['dual'],thresholds=[0.5]):
+		from os.path import dirname,basename
+		self.thresholds = thresholds
+		self.pretty_titles()
+		d,e,f,g = [],[],[],[]
+		for mode in modes:
+			self.vlist = []
+			self.params.onsetmode = mode
+			#self.params.localmin = True
+
+			for threshold in self.thresholds:
+				self.params.threshold = threshold
+				self.dir_eval_print()
+				self.vlist.append(self.v)
+			self.plotroc(d)
+			self.plotfmeas(e)
+			self.plotpr(f)
+			#self.plothistcat(g)
+
+
+
+		#self.plotplotroc(d)
+		#self.plotplotfmeas(e)
+		#self.plotplotpr(f)
+		outplot = basename(self.datadir)
+		for ext in ("png","svg","ps"):
+			self.plotplotroc(d,outplot=outplot,extension=ext)
+			self.plotplotfmeas(e,outplot=outplot,extension=ext)
+			self.plotplotpr(f,outplot=outplot,extension=ext)
+			#self.plotplothistcat(g,outplot=outplot,extension=ext)
+
+if __name__ == "__main__":
+	import sys
+	if len(sys.argv) > 1: datapath = sys.argv[1]
+	else: print "ERR: a path is required"; sys.exit(1)
+	modes = ['complex', 'energy', 'phase', 'hfc', 'specdiff', 'kl', 'mkl', 'dual']
+	thresholds = [ 0.01, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2]
+	#modes = [ 'hfc' ]
+	#thresholds = [0.5]
+
+	#datapath = "%s%s" % (DATADIR,'/onset/DB/*/')
+	respath = '/var/tmp/DB-testings'
+
+	benchonset = mybenchonset(datapath,respath,checkres=True,checkanno=True)
+	benchonset.params = taskparams()
+	benchonset.params.dcthreshold = -1.
+	benchonset.params.silence = -100.
+	benchonset.params.delay = 5. 
+	benchonset.params.bufsize = 1024 
+	benchonset.params.hopsize = 256 
+	benchonset.params.step = float(benchonset.params.hopsize)/float(benchonset.params.samplerate)
+	benchonset.params.mintol = 4.1 
+	benchonset.task = taskonset
+	benchonset.valuesdict = {}
+
+	try:
+		#benchonset.auto_learn2(modes=modes)
+		benchonset.run_bench(modes=modes,thresholds=thresholds)
+	except KeyboardInterrupt:
+		sys.exit(1)
diff --git a/python.old/tests_demo_bench/onset/bench-window b/python.old/tests_demo_bench/onset/bench-window
new file mode 100755
index 00000000..1fa4a7b6
--- /dev/null
+++ b/python.old/tests_demo_bench/onset/bench-window
@@ -0,0 +1,59 @@
+#! /usr/bin/python
+
+from aubio.bench.onset import benchonset
+from aubio.task.onset import taskonset
+from aubio.task.params import taskparams
+
+class mybenchonset(benchonset):
+
+	def run_bench(self,modes=['dual'],thresholds=[0.5]):
+		from os.path import dirname,basename
+		self.thresholds = thresholds
+		self.pretty_titles()
+
+		for mode in modes:
+
+			self.params.onsetmode = mode
+			self.params.localmin = True
+			self.params.delay = 1. 
+			self.params.threshold = thresholds[0]
+			self.params.localmin = False 
+			#
+			for delay in (0., 4.):
+				d = []
+				self.params.delay = delay 
+				for buf in (2048, 1024, 512):
+					for hop in (buf/2, buf/4):
+						self.params.bufsize = buf 
+						self.params.hopsize = hop 
+						self.params.step = float(self.params.hopsize)/float(self.params.samplerate)
+						self.dir_eval_print()
+						self.plotdiffs(d,plottitle="%s %s" % (buf,hop))
+				#plotplotdiffs(d)
+				outplot = "_-_".join(("window",mode,"delay-%s" % int(delay),
+					basename(self.datadir) ))
+				for ext in ("png","svg","ps"):
+					self.plotplotdiffs(d,outplot=outplot,extension=ext)
+
+if __name__ == "__main__":
+	import sys
+	if len(sys.argv) > 1: datapath = sys.argv[1]
+	else: print "ERR: a path is required"; sys.exit(1)
+	modes = ['complex', 'energy', 'phase', 'hfc', 'specdiff', 'kl', 'mkl', 'dual']
+	#thresholds = [ 0.01, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2]
+	#modes = [ 'hfc' ]
+	thresholds = [0.5]
+
+	#datapath = "%s%s" % (DATADIR,'/onset/DB/*/')
+	respath = '/var/tmp/DB-testings'
+
+	benchonset = mybenchonset(datapath,respath,checkres=True,checkanno=True)
+	benchonset.params = taskparams()
+	benchonset.task = taskonset
+	benchonset.valuesdict = {}
+
+	try:
+		#benchonset.auto_learn2(modes=modes)
+		benchonset.run_bench(modes=modes,thresholds=thresholds)
+	except KeyboardInterrupt:
+		sys.exit(1)
diff --git a/python.old/tests_demo_bench/pitch/bench-pitch-isolated b/python.old/tests_demo_bench/pitch/bench-pitch-isolated
new file mode 100755
index 00000000..c048b01a
--- /dev/null
+++ b/python.old/tests_demo_bench/pitch/bench-pitch-isolated
@@ -0,0 +1,198 @@
+#! /usr/bin/python
+
+from aubio.bench.node import *
+from aubio.task import *
+
+class benchpitch(bench):
+	
+	""" list of values to store per file """
+	valuenames = ['mode']
+	""" list of lists to store per file """
+	valuelists = ['truth', 'osil', 'esil', 'opit', 'epit', 'echr', 
+               'Msil', 'Mpit', 'Mchr',
+	       'TotalPit', 'TotalPit', 'TotalChr' ]
+	""" list of values to print per dir """
+	printnames_total = [ 'mode', 'MinPit', 'MaxPit', 'TotalSil', 'TotalPit', 'TotalChr']
+	printnames_notes = [ 'mode', 'Note', 'Sil', 'Pit', 'Chr']
+	printnames = printnames_notes 
+
+	""" per dir """
+	formats = {'mode': "%12s" , 
+		'truth': "%s",
+		'osil': "%s", 'esil': "%s", 
+		'opit': "%s", 'epit': "%s", 'echr': "%s",
+    'Note': "%s", 'Sil': "%s", 'Chr': "%s", 'Pit': "%s",
+		'TotalPit': "%s", 'TotalSil': "%s", 'TotalChr': "%s",
+		'MinPit': "%s", 'MaxPit': "%s",
+		'Msil': "%s", 'Mpit': "%s", 'Mchr': "%s"}
+
+	def dir_eval(self):
+		""" evaluate statistical data over the directory """
+		v = self.v
+		v['mode']      = self.params.pitchmode
+
+	def file_exec(self,input,output):
+		filetask = self.task(input,params=self.params)
+		computed_data = filetask.compute_all()
+ 		osil, esil, opit, epit, echr = filetask.eval(computed_data,tol=0.5)
+		self.v['truth'].append(int(filetask.truth))
+		assert opit > 0
+		
+		self.v['osil'].append(osil)
+		self.v['esil'].append(esil)
+		self.v['opit'].append(opit)
+		self.v['epit'].append(epit)
+		self.v['echr'].append(echr)
+
+		self.v['Msil'].append(esil/float(osil)*100.)
+		self.v['Mpit'].append(epit/float(opit)*100.)
+		self.v['Mchr'].append(echr/float(opit)*100.)
+		#print results#, computed_data
+		#print input, results, results - float(input.split('.')[-2])
+			
+	def run_bench(self,modes=['schmitt'],multiplot=0):
+		from os.path import basename
+		self.modes = modes
+		self.pretty_titles()
+		d = []
+		for mode in self.modes:
+			self.params.pitchmode = mode
+			self.dir_exec()
+			self.dir_eval()
+			truth   = [i for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			allOsil = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			allEsil = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			allOpit = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			allEpit = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			allEchr = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			allMsil = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			allMpit = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			allMchr = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
+			for i in range(len(self.v['truth'])):
+				allOsil[self.v['truth'][i]-min(self.v['truth'])] += self.v['osil'][i]
+				allEsil[self.v['truth'][i]-min(self.v['truth'])] += self.v['esil'][i]
+				allOpit[self.v['truth'][i]-min(self.v['truth'])] += self.v['opit'][i]
+				allEpit[self.v['truth'][i]-min(self.v['truth'])] += self.v['epit'][i]
+				allEchr[self.v['truth'][i]-min(self.v['truth'])] += self.v['echr'][i]
+			for i in range(len(truth)):
+				allOsil[i] = max(1,allOsil[i])
+				allOpit[i] = max(1,allOpit[i])
+				allMsil[i] = allEsil[i]/float(allOsil[i])*100.
+				allMpit[i] = allEpit[i]/float(allOpit[i])*100.
+				allMchr[i] = allEchr[i]/float(allOpit[i])*100.
+				self.v['Sil'], self.v['Pit'], self.v['Chr'] = allMsil[i], allMpit[i], allMchr[i]
+				self.v['Note'] = truth[i]
+				#self.printnames = self.printnames_notes
+				self.pretty_print()
+			self.v['TotalSil'] = sum(allMsil)/len(truth)
+			self.v['TotalPit'] = sum(allMpit)/len(truth)
+			self.v['TotalChr'] = sum(allMchr)/len(truth)
+			self.v['MinPit'] = min(truth) 
+			self.v['MaxPit'] = max(truth) 
+			#self.printnames = self.printnames_total
+			#self.pretty_print()
+
+			plot = []
+			self.plotpitchtessiture(plot,
+				truth, 
+				allMpit,
+				plottitle="%s %s" % (self.v['mode'],self.params.bufsize),
+				plotmode='lines')
+			"""
+			self.plotpitchtessiture(plot,
+				truth, 
+				allMchr,
+				plottitle="%s %s" % (self.v['mode'],"%12"),
+				plotmode='lines')
+			self.plotpitchtessiture(plot,
+				truth, 
+				allMsil,
+				plottitle="%s %s" % (self.v['mode'],"sil"),
+				plotmode='lines')
+			"""
+			title = basename(self.datadir)
+			if multiplot:
+				d.append(plot)
+			else:
+				d += plot
+		outplot = "_-_".join(('pitchtessiture',title))
+		self.xmin = min(self.v['truth']) #20.
+		self.xmax = max(self.v['truth'])
+		for ext in ('ps','png','svg'): #,''):
+			self.plotplotpitchtessiture(d,
+				plottitle="".join(['Performance against MIDI Note number (',
+					title,
+					", %s" % len(self.sndlist), " samples)"]),
+				outplot=outplot,
+				extension=ext,multiplot=multiplot)
+		#d.append('beta = .25,orig(x) title \"-2 octave\"')
+		#d.append('beta = .50,orig(x) title \"-1 octave\"')
+		#d.append('beta = 1.0,orig(x) title \"original\"')
+		#d.append('beta = 2.0,orig(x) title \"+1 octave\"')
+
+	"""
+	Plot functions 
+	"""
+
+	def plotpitchtessiture(self,d,lx,ly,plottitle="",plotmode='linespoints'):
+		import Gnuplot, Gnuplot.funcutils
+		d.append(Gnuplot.Data(lx, ly, with=plotmode, title="%s" % (plottitle) ))
+
+	def plotplotpitchtessiture(self,d,plottitle='',outplot=0,extension='',multiplot=1):
+		from aubio.gnuplot import gnuplot_create
+		g = gnuplot_create(outplot=outplot,extension=extension) 
+		#g.title(plottitle)
+		#g('orig(x) = beta*x')
+		g.title(plottitle)
+		g('set yrange [50:100]')
+		# erase axis
+		g('set xrange [%f:%f]' % (self.xmin,self.xmax)) #(self.xmax - (self.xmax-self.xmin)*5./4.,self.xmax))
+		#g.plot(*d)
+		g('set border 3')
+		g('set xtics nomirror')
+		g('set ytics nomirror')
+		g('set key bottom')
+		if multiplot:
+			g('set multiplot')
+			for i in range(len(d)):
+				# plot onset detection functions
+				g('set size   1,%f' % ( 1.0/float(len(d)) ) )
+				g('set origin 0,%f' % ( 1.0*float(len(d)-i-1)/float(len(d)) ) )
+				#g.ylabel('%Correct detections')
+				g('set xrange [%f:%f]' % (self.xmin,self.xmax)) #(self.xmax - (self.xmax-self.xmin)*5./4.,self.xmax))
+				g.plot(*d[i])
+				g('unset title')
+			g('unset multiplot')
+		else:
+			g.plot(*d)
+
+
+if __name__ == "__main__":
+	import sys
+	if len(sys.argv) > 1: datapath = sys.argv[1]
+	else: print "error: a path is required"; sys.exit(1)
+	if len(sys.argv) > 2:
+		for each in sys.argv[3:-1]: print each
+	modes = ['schmitt', 'yin', 'yinfft', 'mcomb', 'fcomb']
+	#modes = ['mcomb']
+
+	params = taskparams()
+	params.bufsize = 2048 # 4096 
+	params.hopsize = 256
+	params.silence = -60.
+	params.pitchsmooth = 0 
+	params.pitchmax = 20000
+	params.pitchmin = 20
+	params.pitchyinfft = 0.95
+	benchpitch = benchpitch(datapath,params=params)
+	benchpitch.task = taskpitch
+
+	#benchpitch.titles  = [ 'mode', 'thres', 'avg', 'avgdist' ]
+	#benchpitch.formats = ["%12s" , "| %6s", "| %6s", "| %6s", "| %6s", "| %6s" ]
+	try:
+		benchpitch.run_bench(modes=modes)
+	except KeyboardInterrupt:
+		print "Interrupted by user"
+		sys.exit(1)
+
+	sys.exit(0)
diff --git a/python.old/tests_demo_bench/pitch/bench-pitch-plot-isolated b/python.old/tests_demo_bench/pitch/bench-pitch-plot-isolated
new file mode 100755
index 00000000..9bae85e8
--- /dev/null
+++ b/python.old/tests_demo_bench/pitch/bench-pitch-plot-isolated
@@ -0,0 +1,63 @@
+#! /usr/bin/python
+
+if __name__ == '__main__':
+  import sys, Gnuplot
+  from aubio.gnuplot import gnuplot_create
+  from aubio.txtfile import read_datafile
+  from aubio.plot.keyboard import draw_keyboard
+  lines = []
+  titles = []
+  for file in range(len(sys.argv)-1):
+    l = read_datafile(sys.argv[file+1])
+    notes, score = [],[]
+    for i in range(len(l)):
+      notes.append(l[i][0])
+      score.append(l[i][2])
+    lines.append(Gnuplot.Data(notes,score,
+      with='linespoints',
+      title=sys.argv[file+1].split('.')[-1]))
+    titles.append(sys.argv[file+1].split('.')[-1])
+  blacks,whites = draw_keyboard(firstnote = notes[0], lastnote = notes[-1], 
+    y0= 40, y1 = 50)
+
+  g = gnuplot_create(sys.argv[file+1].split('.')[-3],'ps')
+  #g = gnuplot_create('','')
+  #g = gnuplot_create('/tmp/test','eps')
+  g('set yrange [40:100]')
+  #g('set xrange [%f:%f]' % (notes[0],notes[-1]+60))
+  g('set size 0.5')
+  g('set key outside')
+
+  g('set border 3')
+  g('set xtics nomirror')
+  g('set ytics nomirror')
+  multiplot = 1
+  oplots = lines
+  g('set size 1,2')
+  if multiplot:
+    height = 2.
+    g('set lmargin 10')
+    #g('set rmargin 15')
+    g('set multiplot')
+    g('set yrange [50:100]')
+    g('set xrange [%f:%f]' % (notes[0],notes[-1]))
+    g('set xtics %f,12' % notes[0])
+    g('set nokey')
+    for i in range(len(oplots)):
+      g.ylabel(titles[i])
+      g('set size %f,%f' % (1.,height*.85/float(len(oplots))))
+      g('set origin 0,%f' % (height*(.15+.85*float(len(oplots)-i-1)/float(len(oplots)))))
+      g.plot(oplots[i])
+    g('set title "Raw pitch accuracy (%) against midi note numbers"')
+    g('set noxtics')
+    g('set noytics')
+    g('set size %f,%f' % (1.,.15*height))
+    g('set origin 0,%f' % 0)
+    g('set yrange [40:50]')
+    g('set xrange [%f:%f]' % (notes[0],notes[-1]))
+    g.xlabel('')
+    g.ylabel('')
+    g.plot(whites,blacks)
+    g('unset multiplot')
+  else:
+    g.plot(whites,blacks,*lines)
diff --git a/python.old/tests_demo_bench/tempo/demo-tempo b/python.old/tests_demo_bench/tempo/demo-tempo
new file mode 100755
index 00000000..02579a62
--- /dev/null
+++ b/python.old/tests_demo_bench/tempo/demo-tempo
@@ -0,0 +1,313 @@
+#! /usr/bin/python
+
+""" this file was written by Paul Brossier 
+  it is released under the GNU/GPL license.
+"""
+
+import sys,time
+from aubio.task import taskbeat,taskparams
+from aubio.aubioclass import fvec, aubio_autocorr
+from aubio.gnuplot import gnuplot_create, gnuplot_addargs
+from aubio.aubiowrapper import *
+from math import exp,log
+
+usage = "usage: %s [options] -i soundfile" % sys.argv[0]
+
+def parse_args():
+        from optparse import OptionParser
+        parser = OptionParser(usage=usage)
+        parser.add_option("-i","--input",
+                          action="store", dest="filename", 
+                          help="input sound file")
+        parser.add_option("-n","--printframe",
+                          action="store", dest="printframe", default=-1, 
+                          help="make a plot of the n_th frame")
+        gnuplot_addargs(parser)
+        (options, args) = parser.parse_args()
+        if not options.filename: 
+                 print "no file name given\n", usage
+                 sys.exit(1)
+        return options, args
+
+def plotdata(x,y,plottitle="",**keyw):
+	import Gnuplot
+	return Gnuplot.Data(x, y, title="%s" % plottitle,**keyw)
+
+options, args = parse_args()
+filename = options.filename
+xsize = float(options.xsize)
+ysize = float(options.ysize)
+
+printframe = int(options.printframe)
+
+if options.outplot and printframe > 0: 
+  extension = options.outplot.split('.')[-1] 
+  outplot = '.'.join(options.outplot.split('.')[:-1])
+else: 
+  extension = ''
+  outplot = None
+f = gnuplot_create(outplot=outplot,extension=extension,options=options)
+
+params = taskparams()
+params.onsetmode = 'specdiff'
+task = taskbeat(filename,params=params)
+
+hopsize = params.hopsize
+bufsize = params.bufsize
+btstep = task.btstep
+winlen = task.btwinlen
+laglen = winlen/4
+step = winlen/4
+
+timesig = 0
+maxnumelem = 4
+gp = 0
+counter = 0
+flagconst = 0
+constthresh = 3.901
+g_var      = 3.901
+rp = 0
+rp1 = 0
+rp2 = 0
+g_mu = 0
+
+rayparam = 48/512.*winlen
+
+#t     = [i for i in range(hopsize)]
+#tlong = [i for i in range(hopsize*(btstep-1))]
+#tall  = [i for i in range(hopsize*btstep)]
+#a     = [0 for i in range(hopsize*btstep)]
+dfx = [i for i in range(winlen)]
+dfframe = [0 for i in range(winlen)]
+dfrev = [0 for i in range(winlen)]
+acframe = [0 for i in range(winlen)]
+
+localacf = [0 for i in range(winlen)]
+inds = [0 for i in range(maxnumelem)]
+
+acx = [i for i in range(laglen)]
+acfout  = [0 for i in range(laglen)]
+
+phwv  = [0 for i in range(2*laglen)]
+phwvx = [i for i in range(2*laglen)]
+
+dfwvnorm = exp(log(2.0)*(winlen+2.)/rayparam);
+dfwv = [exp(log(2.)*(i+1.)/rayparam)/dfwvnorm for i in range(winlen)]
+
+gwv = [exp(-.5*(j+1.-g_mu)**2/g_var**2) for j in range(laglen)]
+rwv = [(i+1.)/rayparam**2 * exp(-(i+1.)**2 / (2.*rayparam)**2)
+        for i in range(0,laglen)] 
+acf = fvec(winlen,1)
+
+nrframe = 0
+while (task.readsize == params.hopsize):
+  task()
+  #print task.pos2
+  #a[:-hopsize] = [i for i in a[-(btstep-1)*hopsize:]]
+  #a[-hopsize:] = [task.myvec.get(i,0) for i in t]
+
+  #g('set xrange [%f:%f]' % (t[0],t[-1]))
+  #time.sleep(.2)
+  if task.pos2==btstep-1:
+    nrframe += 1
+    dfframe = [task.dfframe.get(i,0) for i in range(winlen)]
+    if printframe == nrframe or printframe == -1:
+      d  = [[plotdata(range(-winlen,0),dfframe,plottitle="onset detection", with='lines')]]
+    # start beattracking_do
+    for i in range(winlen):
+      dfrev[winlen-1-i] = 0.
+      dfrev[winlen-1-i] = dfframe[i]*dfwv[i]
+    aubio_autocorr(task.dfframe(),acf()); 
+    acframe = [acf.get(i,0) for i in range(winlen)]
+    if not timesig:
+      numelem = 4
+    else:
+      numelem = timesig
+
+    old = 0
+    acfout = [0 for i in range(winlen/4)]
+    for i in range(1,laglen-1):
+      for a in range(1,numelem+1):
+        for b in range (1-a,a):
+          acfout[i] += acframe[a*(i+1)+b-1] * 1./(2.*a-1.)*rwv[i]
+          if old < acfout[i]:
+            old = acfout[i]
+            maxi = i
+    rp = max(maxi,1);
+
+    if printframe == nrframe or printframe == -1:
+      rwvs = [rwv[i]*max(acframe) for i in range(len(rwv))]
+      d += [[plotdata(acx,acfout,plottitle="comb filterbank", with='lines', axes='x1y1'),
+          plotdata([rp,rp],[1.2*old,min(acfout)],plottitle="period", with='impulses', axes='x1y1'),
+          plotdata(acx,rwvs,plottitle="L_w", with='lines', axes='x1y1')]]
+
+    # getperiod
+    inds = [0 for i in range(maxnumelem)]
+    localacf = [0 for i in range(winlen)]
+    period = 0
+    for a in range(1,4+1):
+      for b in range(1-a,a):
+        localacf[a*rp+b-1] = acframe[a*rp+b-1]
+    for i in range(numelem):
+      maxindex = 0
+      maxval = 0.0
+      for j in range(rp*(i+1)+i):
+        if localacf[j] > maxval:
+          maxval = localacf[j]
+          maxind = j
+        localacf[j] = 0
+      inds[i] = maxind
+    for i in range(numelem):
+      period += inds[i]/(i+1.)
+    period = period/numelem
+    #print "period", period
+
+    # checkstate 
+    if gp:
+      # context dependant model
+      acfout = [0 for i in range(winlen/4)]
+      old = 0
+      for i in range(laglen-1):
+        for a in range(timesig):
+          for b in range(1-a,a):
+            acfout[i] += acframe[a*(i+1)+b-1] * gwv[i]
+        if old < acfout[i]:
+          old = acfout[i]
+          maxi = i
+      gp = maxi
+    else:
+      # general model
+      gp = 0
+    #print "gp", gp
+    if printframe == nrframe or printframe == -1:
+      gwvs = [gwv[i]*max(acfout) for i in range(len(gwv))]
+      d += [[plotdata(acx,acfout,plottitle="comb filterbank", with='lines', axes='x1y1'),
+          plotdata(gp,old,plottitle="period", with='impulses', axes='x1y1'),
+          plotdata(acx,gwvs,plottitle="L_{gw}", with='lines', axes='x1y1')]]
+
+    if counter == 0:
+      # initial step
+      if abs(gp-rp) > 2.*constthresh:
+        flagstep = 1
+        counter  = 3
+      else:
+        flagstep = 0
+    #print "flagstep", flagstep
+    #print "rp2,rp1,rp", rp2,rp1,rp
+    acfw = [dfframe[i]*dfwv[i] for i in range(winlen)]
+
+    if counter == 1 and flagstep == 1:
+      # "3rd frame after flagstep set"
+      if abs(2.*rp-rp1- rp2) < constthresh:
+        flagconst = 1
+        counter = 0
+      else:
+        flagconst = 0
+        counter = 2
+    elif counter > 0:
+      counter -= 1
+
+    rp2 = rp1; rp1 = rp
+
+    if flagconst:
+      # "first run of new hypothesis"
+      gp = rp
+      g_mu = gp
+      timesig = 4 #FIXME
+      gwv = [exp(-.5*(j+1.-g_mu)**2/g_var**2) for j in range(laglen)]
+      flagconst = 0
+      bp = gp
+      phwv = [1 for i in range(2*laglen)]
+    elif timesig:
+      # "contex dependant"
+      bp = gp
+      if step > lastbeat:
+        phwv = [exp(-.5*(1.+j-step+lastbeat)**2/(bp/8.)) for j in range(2*laglen)]
+      else:
+        print "NOT using phase weighting"
+        phwv = [1 for i in range(2*laglen)]
+    else:
+      # "initial state"
+      bp = rp
+      phwv = [1 for i in range(2*laglen)]
+
+    while bp < 25:
+      print "WARNING, doubling the beat period"
+      bp *= 2
+
+    # 
+    phout = [0. for i in range(winlen)]
+
+    kmax = int(winlen/float(bp));
+
+    old = 0
+    for i in range(bp):
+      phout[i] = 0.
+      for k in range(kmax):
+        phout[i] += dfrev[i+bp*k] * phwv[i]
+      if phout[i] > old:
+        old = phout[i]
+        maxi = i
+    maxindex = maxi 
+    if (maxindex == winlen - 1): maxindex = 0
+    phase = 1 + maxindex
+    i = 1
+    beat = bp - phase
+    beats= []
+    if beat >= 0: beats.append(beat)
+    while beat+bp < step: 
+      beat += bp
+      beats.append(beat)
+    lastbeat = beat
+    #print beats,
+    #print "the lastbeat is", lastbeat
+
+    # plot all this
+    if printframe == nrframe or printframe == -1:
+      phwvs = [phwv[i]*max(phout) for i in range(len(phwv))]
+      d += [[plotdata(range(-laglen,0),phwvs[laglen:0:-1],plottitle="A_{gw}", with='lines',axes='x1y1'),
+          plotdata(range(-laglen,0),phout[laglen:0:-1],plottitle="df", with='lines'),
+          plotdata(-phase,old,plottitle="phase", with='impulses', axes='x1y1'),
+          plotdata([i for i in beats],[old for i in beats],plottitle="predicted", with='impulses')
+          ]]
+    #d += [[plotdata(dfx,dfwv,plottitle="phase weighting", with='lines', axes='x1y2'),
+    #    plotdata(dfx,dfrev,plottitle="df reverse", with='lines', axes='x1y1')]]
+    #d += [[plotdata(dfx,phout,plottitle="phase", with='lines', axes='x1y2')]]
+    #d += [[plotdata(dfx,dfwv,plottitle="phase weighting", with='lines', axes='x1y2'),
+    #    plotdata(dfx,dfrev,plottitle="df reverse", with='lines', axes='x1y1')]]
+    #d += [[plotdata(dfx,phout,plottitle="phase", with='lines', axes='x1y2')]]
+
+      f('set lmargin 4')
+      f('set rmargin 4')
+      f('set size %f,%f' % (1.0*xsize,1.0*ysize) )
+      f('set key spacing 1.3')
+      f('set multiplot')
+
+      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
+      f('set orig %f,%f' % (0.0*xsize,0.66*ysize) )
+      f('set xrange [%f:%f]' % (-winlen,0) )
+      f.title('Onset detection function')
+      f.xlabel('time (df samples)')
+      f.plot(*d[0])
+      f('set size %f,%f' % (0.5*xsize,0.33*ysize) )
+      f('set orig %f,%f' % (0.0*xsize,0.33*ysize) )
+      f('set xrange [%f:%f]' % (0,laglen) )
+      f.title('Period detection: Rayleygh weighting')
+      f.xlabel('lag (df samples)')
+      f.plot(*d[1])
+      f('set size %f,%f' % (0.5*xsize,0.33*ysize) )
+      f('set orig %f,%f' % (0.5*xsize,0.33*ysize) )
+      f('set xrange [%f:%f]' % (0,laglen) )
+      f.title('Period detection: Gaussian weighting')
+      f.xlabel('lag (df samples)')
+      f.plot(*d[2])
+      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
+      f('set orig %f,%f' % (0.0*xsize,0.00*ysize) )
+      f('set xrange [%f:%f]' % (-laglen,laglen) )
+      f.title('Phase detection and predicted beats')
+      f.xlabel('time (df samples)')
+      f.plot(*d[3])
+      f('set nomultiplot')
+    if printframe == -1: a = sys.stdin.read()
+    elif 0 < printframe and printframe < nrframe:
+      break
diff --git a/python.old/tests_demo_bench/tempo/demo-tempo-acf b/python.old/tests_demo_bench/tempo/demo-tempo-acf
new file mode 100755
index 00000000..e099b81c
--- /dev/null
+++ b/python.old/tests_demo_bench/tempo/demo-tempo-acf
@@ -0,0 +1,157 @@
+#! /usr/bin/python
+
+""" this file was written by Paul Brossier 
+  it is released under the GNU/GPL license.
+"""
+
+import sys,time
+from aubio.task import taskbeat,taskparams
+from aubio.aubioclass import fvec, aubio_autocorr
+from aubio.gnuplot import gnuplot_create, gnuplot_addargs
+from aubio.aubiowrapper import *
+from math import exp,log
+
+usage = "usage: %s [options] -i soundfile" % sys.argv[0]
+
+def parse_args():
+        from optparse import OptionParser
+        parser = OptionParser(usage=usage)
+        parser.add_option("-i","--input",
+                          action="store", dest="filename", 
+                          help="input sound file")
+        parser.add_option("-n","--printframe",
+                          action="store", dest="printframe", default=-1, 
+                          help="make a plot of the n_th frame")
+        gnuplot_addargs(parser)
+        (options, args) = parser.parse_args()
+        if not options.filename: 
+                 print "no file name given\n", usage
+                 sys.exit(1)
+        return options, args
+
+def plotdata(x,y,plottitle="",**keyw):
+	import Gnuplot
+	return Gnuplot.Data(x, y, title="%s" % plottitle,**keyw)
+
+options, args = parse_args()
+filename = options.filename
+xsize = float(options.xsize)
+ysize = float(options.ysize)
+
+printframe = int(options.printframe)
+
+if options.outplot and printframe > 0: 
+  extension = options.outplot.split('.')[-1] 
+  outplot = '.'.join(options.outplot.split('.')[:-1])
+else: 
+  extension = ''
+  outplot = None
+f = gnuplot_create(outplot,extension,options)
+
+params = taskparams()
+params.onsetmode = 'specdiff'
+task = taskbeat(filename,params=params)
+
+hopsize = params.hopsize
+bufsize = params.bufsize
+btstep = task.btstep
+winlen = task.btwinlen
+laglen = winlen/4
+step = winlen/4
+
+timesig = 0
+maxnumelem = 4
+gp = 0
+counter = 0
+flagconst = 0
+constthresh = 3.901
+g_var      = 3.901
+rp = 0
+rp1 = 0
+rp2 = 0
+g_mu = 0
+
+rayparam = 48/512.*winlen
+
+t     = [i for i in range(hopsize)]
+#tlong = [i for i in range(hopsize*(btstep-1))]
+#tall  = [i for i in range(hopsize*btstep)]
+sig    = [0 for i in range(hopsize*btstep*4)]
+dfx = [i for i in range(winlen)]
+dfframe = [0 for i in range(winlen)]
+dfrev = [0 for i in range(winlen)]
+acframe = [0 for i in range(winlen/2)]
+
+localacf = [0 for i in range(winlen)]
+inds = [0 for i in range(maxnumelem)]
+
+acx = [i for i in range(laglen)]
+acfout  = [0 for i in range(laglen)]
+
+phwv  = [0 for i in range(2*laglen)]
+phwvx = [i for i in range(2*laglen)]
+
+dfwvnorm = exp(log(2.0)*(winlen+2.)/rayparam);
+dfwv = [exp(log(2.)*(i+1.)/rayparam)/dfwvnorm for i in range(winlen)]
+
+gwv = [exp(-.5*(j+1.-g_mu)**2/g_var**2) for j in range(laglen)]
+rwv = [(i+1.)/rayparam**2 * exp(-(i+1.)**2 / (2.*rayparam)**2)
+        for i in range(0,laglen)] 
+acf = fvec(winlen,1)
+
+nrframe = 0
+while (task.readsize == params.hopsize):
+  task()
+  #print task.pos2
+  sig[:-hopsize] = [i for i in sig[-(btstep*4-1)*hopsize:]]
+  sig[-hopsize:] = [task.myvec.get(i,0) for i in t]
+
+  #g('set xrange [%f:%f]' % (t[0],t[-1]))
+  #time.sleep(.2)
+  if task.pos2==btstep-1:
+    nrframe += 1
+    dfframe = [task.dfframe.get(i,0) for i in range(winlen)]
+    # start beattracking_do
+    for i in range(winlen):
+      dfrev[winlen-1-i] = 0.
+      dfrev[winlen-1-i] = dfframe[i]*dfwv[i]
+    aubio_autocorr(task.dfframe(),acf()); 
+    acframe = [acf.get(i,0) for i in range(winlen/2)]
+    if printframe == nrframe or printframe == -1:
+      d  = [[plotdata(range(0,btstep*hopsize*4,4),sig[0:-1:4],plottitle="input signal", with='lines')]]
+      d  += [[plotdata(range(-winlen,0),dfframe,plottitle="onset detection", with='lines')]]
+      d  += [[plotdata(range(winlen/2),acframe,plottitle="autocorrelation", with='lines')]]
+
+    # plot all this
+    if printframe == nrframe or printframe == -1:
+
+      f('set lmargin 4')
+      f('set rmargin 4')
+      f('set size %f,%f' % (1.0*xsize,1.0*ysize) )
+      f('set key spacing 1.3')
+      f('set multiplot')
+
+      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
+      f('set orig %f,%f' % (0.0*xsize,0.66*ysize) )
+      f('set xrange [%f:%f]' % (0,btstep*hopsize*4) )
+      f('set yrange [%f:%f]' % (-1.2*max(sig),1.2*max(sig)) )
+      f.title('Input signal')
+      f.xlabel('time (samples)')
+      f.plot(*d[0])
+      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
+      f('set orig %f,%f' % (0.0*xsize,0.33*ysize) )
+      f('set xrange [%f:%f]' % (-winlen,0) )
+      f('set autoscale y')
+      f.title('Onset detection function')
+      f.xlabel('time (df samples)')
+      f.plot(*d[1])
+      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
+      f('set orig %f,%f' % (0.0*xsize,0.00*ysize) )
+      f('set xrange [%f:%f]' % (0,winlen/2) )
+      f.title('Autocorrelation')
+      f.xlabel('lag (df samples)')
+      f.plot(*d[2])
+      f('set nomultiplot')
+    if printframe == -1: a = sys.stdin.read()
+    elif 0 < printframe and printframe < nrframe:
+      break
diff --git a/python.old/tests_examples/__init__.py b/python.old/tests_examples/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/python.old/tests_examples/aubioonset.py b/python.old/tests_examples/aubioonset.py
new file mode 100644
index 00000000..42b3b8e2
--- /dev/null
+++ b/python.old/tests_examples/aubioonset.py
@@ -0,0 +1,41 @@
+from template import program_test_case
+
+class aubioonset_unit(program_test_case):
+  
+  import os.path
+  filename = os.path.join('..','..','sounds','woodblock.aiff')
+  progname = os.path.join('..','..','examples','aubioonset')
+
+  def test_aubioonset_with_inf_silence(self):
+    """ test aubioonset with -s 0  """
+    self.command += " -s 0" 
+    self.getOutput()
+    assert len(self.output) == 0, self.output
+
+class aubioonset_unit_finds_onset(aubioonset_unit):
+
+  def test_aubioonset(self):
+    """ test aubioonset with default parameters """
+    self.getOutput()
+    assert len(str(self.output)) != 0, "no output produced with command:\n" \
+      + self.command
+
+  def test_aubioonset_with_no_silence(self):
+    """ test aubioonset with -s -100 """ 
+    self.command += " -s -100 " 
+    self.getOutput()
+    # only one onset in woodblock.aiff
+    self.assertNotEqual(0, len(str(self.output)), \
+      "no output produced with command:\n" + self.command)
+    self.assertEqual(1, len(self.output.split('\n')) )
+    # onset should be at 0.00000
+    self.assertEqual(0, float(self.output.strip()))
+
+list_of_onset_modes = ["energy", "specdiff", "hfc", "complex", "phase", \
+                      "kl", "mkl", "specflux"]
+
+for name in list_of_onset_modes:
+  exec("class aubioonset_"+name+"_unit(aubioonset_unit):\n\
+  options = \" -O "+name+" \"")
+
+if __name__ == '__main__': unittest.main()
diff --git a/python.old/tests_examples/aubiopitch.py b/python.old/tests_examples/aubiopitch.py
new file mode 100644
index 00000000..33dcf108
--- /dev/null
+++ b/python.old/tests_examples/aubiopitch.py
@@ -0,0 +1,69 @@
+from template import *
+
+import os.path
+
+class aubiopitch_test_case(program_test_case):
+
+  import os.path
+  filename = os.path.join('..','..','sounds','woodblock.aiff')
+  progname = "PYTHONPATH=../../python:../../python/aubio/.libs " + \
+              os.path.join('..','..','python','aubiopitch')
+
+  def test_aubiopitch(self):
+    """ test aubiopitch with default parameters """
+    self.getOutput()
+    # FIXME: useless check
+    self.assertEqual(len(self.output.split('\n')), 1)
+    #self.assertEqual(float(self.output.strip()), 0.)
+
+  def test_aubiopitch_verbose(self):
+    """ test aubiopitch with -v parameter """
+    self.command += " -v "
+    self.getOutput()
+    # FIXME: loose checking: make sure at least 8 lines are printed
+    assert len(self.output) >= 8
+
+  def test_aubiopitch_devnull(self):
+    """ test aubiopitch on /dev/null """
+    self.filename = "/dev/null"
+    # exit status should not be 0
+    self.getOutput(expected_status = 256)
+    # and there should be an error message
+    assert len(self.output) > 0
+    # that looks like this 
+    output_lines = self.output.split('\n')
+    #assert output_lines[0] == "Unable to open input file /dev/null."
+    #assert output_lines[1] == "Supported file format but file is malformed."
+    #assert output_lines[2] == "Could not open input file /dev/null."
+
+mode_names = ["yinfft", "yin", "fcomb", "mcomb", "schmitt"]
+for name in mode_names:
+  exec("class aubiopitch_test_case_" + name + "(aubiopitch_test_case):\n\
+    options = \" -m " + name + " \"")
+
+class aubiopitch_test_yinfft(program_test_case):
+
+  filename = os.path.join('..','..','sounds','16568__acclivity__TwoCows.wav')
+  url = "http://www.freesound.org/samplesViewSingle.php?id=16568"
+  progname = "PYTHONPATH=../../python:../../python/aubio/.libs " + \
+              os.path.join('..','..','python','aubiopitch')
+  options  = " -m yinfft -t 0.75 "
+
+  def test_aubiopitch(self):
+    """ test aubiopitch with default parameters """
+    if not os.path.isfile(self.filename):
+      print "Warning: file 16568_acclivity_TwoCows.wav was not found in %s" % os.path.dirname(self.filename) 
+      print "download it from %s to actually run test" % url
+      return
+    self.getOutput()
+    expected_output = open(os.path.join('examples','aubiopitch','yinfft'+'.'+os.path.basename(self.filename)+'.txt')).read()
+    lines = 0
+    for line_out, line_exp in zip(self.output.split('\n'), expected_output.split('\n')):
+      try:
+        assert line_exp == line_out, line_exp + " vs. " + line_out + " at line " + str(lines)
+      except:
+        open(os.path.join('examples','aubiopitch','yinfft'+'.'+os.path.basename(self.filename)+'.txt.out'),'w').write(self.output)
+        raise
+      lines += 1
+
+if __name__ == '__main__': unittest.main()
diff --git a/python.old/tests_examples/aubiopitch/yinfft.16568__acclivity__TwoCows.wav.txt b/python.old/tests_examples/aubiopitch/yinfft.16568__acclivity__TwoCows.wav.txt
new file mode 100644
index 00000000..dcdd52b0
--- /dev/null
+++ b/python.old/tests_examples/aubiopitch/yinfft.16568__acclivity__TwoCows.wav.txt
@@ -0,0 +1,566 @@
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diff --git a/tests/demo/bench/onset/bench-delay b/tests/demo/bench/onset/bench-delay
deleted file mode 100755
index 9a213d09..00000000
--- a/tests/demo/bench/onset/bench-delay
+++ /dev/null
@@ -1,62 +0,0 @@
-#! /usr/bin/python
-
-from aubio.bench.onset import benchonset
-from aubio.task.onset import taskonset
-from aubio.task.params import taskparams
-
-class mybenchonset(benchonset):
-
-	def run_bench(self,modes=['dual'],thresholds=[0.5]):
-		from os.path import dirname,basename
-		self.thresholds = thresholds
-		self.pretty_titles()
-
-		for mode in modes:
-			d = []
-			self.params.onsetmode = mode
-			self.params.localmin = True
-			self.params.delay = 1. 
-			self.params.threshold = thresholds[0]
-			#
-			self.params.localmin = False 
-			self.params.delay = 0. 
-			self.dir_eval_print()
-			self.plotdiffs(d,plottitle="Causal")
-			#
-			self.params.localmin = True
-			self.params.delay = 0. 
-			self.dir_eval_print()
-			self.plotdiffs(d,plottitle="Local min")
-
-			self.params.localmin = False 
-			self.params.delay = 6. 
-			self.dir_eval_print()
-			self.plotdiffs(d,plottitle="Fixed delay")
-
-			#self.plotplotdiffs(d)
-			outplot = "_-_".join(("delay",mode,basename(self.datadir) ))
-			for ext in ("png","svg","ps"):
-				self.plotplotdiffs(d,outplot=outplot,extension=ext)
-
-if __name__ == "__main__":
-	import sys
-	if len(sys.argv) > 1: datapath = sys.argv[1]
-	else: print "ERR: a path is required"; sys.exit(1)
-	modes = ['complex', 'energy', 'phase', 'hfc', 'specdiff', 'kl', 'mkl', 'dual']
-	#thresholds = [ 0.01, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2]
-	#modes = [ 'hfc' ]
-	thresholds = [0.5]
-
-	#datapath = "%s%s" % (DATADIR,'/onset/DB/*/')
-	respath = '/var/tmp/DB-testings'
-
-	benchonset = mybenchonset(datapath,respath,checkres=True,checkanno=True)
-	benchonset.params = taskparams()
-	benchonset.task = taskonset
-	benchonset.valuesdict = {}
-
-	try:
-		#benchonset.auto_learn2(modes=modes)
-		benchonset.run_bench(modes=modes,thresholds=thresholds)
-	except KeyboardInterrupt:
-		sys.exit(1)
diff --git a/tests/demo/bench/onset/bench-onset b/tests/demo/bench/onset/bench-onset
deleted file mode 100755
index 53a7ee95..00000000
--- a/tests/demo/bench/onset/bench-onset
+++ /dev/null
@@ -1,68 +0,0 @@
-#! /usr/bin/python
-
-from aubio.task import *
-
-from aubio.bench.onset import mmean, stdev, benchonset
-
-class mybenchonset(benchonset):
-
-	def run_bench(self,modes=['dual'],thresholds=[0.5]):
-		from os.path import dirname,basename
-		self.thresholds = thresholds
-		self.pretty_titles()
-		d,e,f,g = [],[],[],[]
-		for mode in modes:
-			self.vlist = []
-			self.params.onsetmode = mode
-			#self.params.localmin = True
-
-			for threshold in self.thresholds:
-				self.params.threshold = threshold
-				self.dir_eval_print()
-				self.vlist.append(self.v)
-			self.plotroc(d)
-			self.plotfmeas(e)
-			self.plotpr(f)
-			#self.plothistcat(g)
-
-
-
-		#self.plotplotroc(d)
-		#self.plotplotfmeas(e)
-		#self.plotplotpr(f)
-		outplot = basename(self.datadir)
-		for ext in ("png","svg","ps"):
-			self.plotplotroc(d,outplot=outplot,extension=ext)
-			self.plotplotfmeas(e,outplot=outplot,extension=ext)
-			self.plotplotpr(f,outplot=outplot,extension=ext)
-			#self.plotplothistcat(g,outplot=outplot,extension=ext)
-
-if __name__ == "__main__":
-	import sys
-	if len(sys.argv) > 1: datapath = sys.argv[1]
-	else: print "ERR: a path is required"; sys.exit(1)
-	modes = ['complex', 'energy', 'phase', 'hfc', 'specdiff', 'kl', 'mkl', 'dual']
-	thresholds = [ 0.01, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2]
-	#modes = [ 'hfc' ]
-	#thresholds = [0.5]
-
-	#datapath = "%s%s" % (DATADIR,'/onset/DB/*/')
-	respath = '/var/tmp/DB-testings'
-
-	benchonset = mybenchonset(datapath,respath,checkres=True,checkanno=True)
-	benchonset.params = taskparams()
-	benchonset.params.dcthreshold = -1.
-	benchonset.params.silence = -100.
-	benchonset.params.delay = 5. 
-	benchonset.params.bufsize = 1024 
-	benchonset.params.hopsize = 256 
-	benchonset.params.step = float(benchonset.params.hopsize)/float(benchonset.params.samplerate)
-	benchonset.params.mintol = 4.1 
-	benchonset.task = taskonset
-	benchonset.valuesdict = {}
-
-	try:
-		#benchonset.auto_learn2(modes=modes)
-		benchonset.run_bench(modes=modes,thresholds=thresholds)
-	except KeyboardInterrupt:
-		sys.exit(1)
diff --git a/tests/demo/bench/onset/bench-window b/tests/demo/bench/onset/bench-window
deleted file mode 100755
index 1fa4a7b6..00000000
--- a/tests/demo/bench/onset/bench-window
+++ /dev/null
@@ -1,59 +0,0 @@
-#! /usr/bin/python
-
-from aubio.bench.onset import benchonset
-from aubio.task.onset import taskonset
-from aubio.task.params import taskparams
-
-class mybenchonset(benchonset):
-
-	def run_bench(self,modes=['dual'],thresholds=[0.5]):
-		from os.path import dirname,basename
-		self.thresholds = thresholds
-		self.pretty_titles()
-
-		for mode in modes:
-
-			self.params.onsetmode = mode
-			self.params.localmin = True
-			self.params.delay = 1. 
-			self.params.threshold = thresholds[0]
-			self.params.localmin = False 
-			#
-			for delay in (0., 4.):
-				d = []
-				self.params.delay = delay 
-				for buf in (2048, 1024, 512):
-					for hop in (buf/2, buf/4):
-						self.params.bufsize = buf 
-						self.params.hopsize = hop 
-						self.params.step = float(self.params.hopsize)/float(self.params.samplerate)
-						self.dir_eval_print()
-						self.plotdiffs(d,plottitle="%s %s" % (buf,hop))
-				#plotplotdiffs(d)
-				outplot = "_-_".join(("window",mode,"delay-%s" % int(delay),
-					basename(self.datadir) ))
-				for ext in ("png","svg","ps"):
-					self.plotplotdiffs(d,outplot=outplot,extension=ext)
-
-if __name__ == "__main__":
-	import sys
-	if len(sys.argv) > 1: datapath = sys.argv[1]
-	else: print "ERR: a path is required"; sys.exit(1)
-	modes = ['complex', 'energy', 'phase', 'hfc', 'specdiff', 'kl', 'mkl', 'dual']
-	#thresholds = [ 0.01, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2]
-	#modes = [ 'hfc' ]
-	thresholds = [0.5]
-
-	#datapath = "%s%s" % (DATADIR,'/onset/DB/*/')
-	respath = '/var/tmp/DB-testings'
-
-	benchonset = mybenchonset(datapath,respath,checkres=True,checkanno=True)
-	benchonset.params = taskparams()
-	benchonset.task = taskonset
-	benchonset.valuesdict = {}
-
-	try:
-		#benchonset.auto_learn2(modes=modes)
-		benchonset.run_bench(modes=modes,thresholds=thresholds)
-	except KeyboardInterrupt:
-		sys.exit(1)
diff --git a/tests/demo/bench/pitch/bench-pitch-isolated b/tests/demo/bench/pitch/bench-pitch-isolated
deleted file mode 100755
index c048b01a..00000000
--- a/tests/demo/bench/pitch/bench-pitch-isolated
+++ /dev/null
@@ -1,198 +0,0 @@
-#! /usr/bin/python
-
-from aubio.bench.node import *
-from aubio.task import *
-
-class benchpitch(bench):
-	
-	""" list of values to store per file """
-	valuenames = ['mode']
-	""" list of lists to store per file """
-	valuelists = ['truth', 'osil', 'esil', 'opit', 'epit', 'echr', 
-               'Msil', 'Mpit', 'Mchr',
-	       'TotalPit', 'TotalPit', 'TotalChr' ]
-	""" list of values to print per dir """
-	printnames_total = [ 'mode', 'MinPit', 'MaxPit', 'TotalSil', 'TotalPit', 'TotalChr']
-	printnames_notes = [ 'mode', 'Note', 'Sil', 'Pit', 'Chr']
-	printnames = printnames_notes 
-
-	""" per dir """
-	formats = {'mode': "%12s" , 
-		'truth': "%s",
-		'osil': "%s", 'esil': "%s", 
-		'opit': "%s", 'epit': "%s", 'echr': "%s",
-    'Note': "%s", 'Sil': "%s", 'Chr': "%s", 'Pit': "%s",
-		'TotalPit': "%s", 'TotalSil': "%s", 'TotalChr': "%s",
-		'MinPit': "%s", 'MaxPit': "%s",
-		'Msil': "%s", 'Mpit': "%s", 'Mchr': "%s"}
-
-	def dir_eval(self):
-		""" evaluate statistical data over the directory """
-		v = self.v
-		v['mode']      = self.params.pitchmode
-
-	def file_exec(self,input,output):
-		filetask = self.task(input,params=self.params)
-		computed_data = filetask.compute_all()
- 		osil, esil, opit, epit, echr = filetask.eval(computed_data,tol=0.5)
-		self.v['truth'].append(int(filetask.truth))
-		assert opit > 0
-		
-		self.v['osil'].append(osil)
-		self.v['esil'].append(esil)
-		self.v['opit'].append(opit)
-		self.v['epit'].append(epit)
-		self.v['echr'].append(echr)
-
-		self.v['Msil'].append(esil/float(osil)*100.)
-		self.v['Mpit'].append(epit/float(opit)*100.)
-		self.v['Mchr'].append(echr/float(opit)*100.)
-		#print results#, computed_data
-		#print input, results, results - float(input.split('.')[-2])
-			
-	def run_bench(self,modes=['schmitt'],multiplot=0):
-		from os.path import basename
-		self.modes = modes
-		self.pretty_titles()
-		d = []
-		for mode in self.modes:
-			self.params.pitchmode = mode
-			self.dir_exec()
-			self.dir_eval()
-			truth   = [i for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			allOsil = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			allEsil = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			allOpit = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			allEpit = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			allEchr = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			allMsil = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			allMpit = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			allMchr = [0 for i in range(min(self.v['truth']),max(self.v['truth'])+1)]
-			for i in range(len(self.v['truth'])):
-				allOsil[self.v['truth'][i]-min(self.v['truth'])] += self.v['osil'][i]
-				allEsil[self.v['truth'][i]-min(self.v['truth'])] += self.v['esil'][i]
-				allOpit[self.v['truth'][i]-min(self.v['truth'])] += self.v['opit'][i]
-				allEpit[self.v['truth'][i]-min(self.v['truth'])] += self.v['epit'][i]
-				allEchr[self.v['truth'][i]-min(self.v['truth'])] += self.v['echr'][i]
-			for i in range(len(truth)):
-				allOsil[i] = max(1,allOsil[i])
-				allOpit[i] = max(1,allOpit[i])
-				allMsil[i] = allEsil[i]/float(allOsil[i])*100.
-				allMpit[i] = allEpit[i]/float(allOpit[i])*100.
-				allMchr[i] = allEchr[i]/float(allOpit[i])*100.
-				self.v['Sil'], self.v['Pit'], self.v['Chr'] = allMsil[i], allMpit[i], allMchr[i]
-				self.v['Note'] = truth[i]
-				#self.printnames = self.printnames_notes
-				self.pretty_print()
-			self.v['TotalSil'] = sum(allMsil)/len(truth)
-			self.v['TotalPit'] = sum(allMpit)/len(truth)
-			self.v['TotalChr'] = sum(allMchr)/len(truth)
-			self.v['MinPit'] = min(truth) 
-			self.v['MaxPit'] = max(truth) 
-			#self.printnames = self.printnames_total
-			#self.pretty_print()
-
-			plot = []
-			self.plotpitchtessiture(plot,
-				truth, 
-				allMpit,
-				plottitle="%s %s" % (self.v['mode'],self.params.bufsize),
-				plotmode='lines')
-			"""
-			self.plotpitchtessiture(plot,
-				truth, 
-				allMchr,
-				plottitle="%s %s" % (self.v['mode'],"%12"),
-				plotmode='lines')
-			self.plotpitchtessiture(plot,
-				truth, 
-				allMsil,
-				plottitle="%s %s" % (self.v['mode'],"sil"),
-				plotmode='lines')
-			"""
-			title = basename(self.datadir)
-			if multiplot:
-				d.append(plot)
-			else:
-				d += plot
-		outplot = "_-_".join(('pitchtessiture',title))
-		self.xmin = min(self.v['truth']) #20.
-		self.xmax = max(self.v['truth'])
-		for ext in ('ps','png','svg'): #,''):
-			self.plotplotpitchtessiture(d,
-				plottitle="".join(['Performance against MIDI Note number (',
-					title,
-					", %s" % len(self.sndlist), " samples)"]),
-				outplot=outplot,
-				extension=ext,multiplot=multiplot)
-		#d.append('beta = .25,orig(x) title \"-2 octave\"')
-		#d.append('beta = .50,orig(x) title \"-1 octave\"')
-		#d.append('beta = 1.0,orig(x) title \"original\"')
-		#d.append('beta = 2.0,orig(x) title \"+1 octave\"')
-
-	"""
-	Plot functions 
-	"""
-
-	def plotpitchtessiture(self,d,lx,ly,plottitle="",plotmode='linespoints'):
-		import Gnuplot, Gnuplot.funcutils
-		d.append(Gnuplot.Data(lx, ly, with=plotmode, title="%s" % (plottitle) ))
-
-	def plotplotpitchtessiture(self,d,plottitle='',outplot=0,extension='',multiplot=1):
-		from aubio.gnuplot import gnuplot_create
-		g = gnuplot_create(outplot=outplot,extension=extension) 
-		#g.title(plottitle)
-		#g('orig(x) = beta*x')
-		g.title(plottitle)
-		g('set yrange [50:100]')
-		# erase axis
-		g('set xrange [%f:%f]' % (self.xmin,self.xmax)) #(self.xmax - (self.xmax-self.xmin)*5./4.,self.xmax))
-		#g.plot(*d)
-		g('set border 3')
-		g('set xtics nomirror')
-		g('set ytics nomirror')
-		g('set key bottom')
-		if multiplot:
-			g('set multiplot')
-			for i in range(len(d)):
-				# plot onset detection functions
-				g('set size   1,%f' % ( 1.0/float(len(d)) ) )
-				g('set origin 0,%f' % ( 1.0*float(len(d)-i-1)/float(len(d)) ) )
-				#g.ylabel('%Correct detections')
-				g('set xrange [%f:%f]' % (self.xmin,self.xmax)) #(self.xmax - (self.xmax-self.xmin)*5./4.,self.xmax))
-				g.plot(*d[i])
-				g('unset title')
-			g('unset multiplot')
-		else:
-			g.plot(*d)
-
-
-if __name__ == "__main__":
-	import sys
-	if len(sys.argv) > 1: datapath = sys.argv[1]
-	else: print "error: a path is required"; sys.exit(1)
-	if len(sys.argv) > 2:
-		for each in sys.argv[3:-1]: print each
-	modes = ['schmitt', 'yin', 'yinfft', 'mcomb', 'fcomb']
-	#modes = ['mcomb']
-
-	params = taskparams()
-	params.bufsize = 2048 # 4096 
-	params.hopsize = 256
-	params.silence = -60.
-	params.pitchsmooth = 0 
-	params.pitchmax = 20000
-	params.pitchmin = 20
-	params.pitchyinfft = 0.95
-	benchpitch = benchpitch(datapath,params=params)
-	benchpitch.task = taskpitch
-
-	#benchpitch.titles  = [ 'mode', 'thres', 'avg', 'avgdist' ]
-	#benchpitch.formats = ["%12s" , "| %6s", "| %6s", "| %6s", "| %6s", "| %6s" ]
-	try:
-		benchpitch.run_bench(modes=modes)
-	except KeyboardInterrupt:
-		print "Interrupted by user"
-		sys.exit(1)
-
-	sys.exit(0)
diff --git a/tests/demo/bench/pitch/bench-pitch-plot-isolated b/tests/demo/bench/pitch/bench-pitch-plot-isolated
deleted file mode 100755
index 9bae85e8..00000000
--- a/tests/demo/bench/pitch/bench-pitch-plot-isolated
+++ /dev/null
@@ -1,63 +0,0 @@
-#! /usr/bin/python
-
-if __name__ == '__main__':
-  import sys, Gnuplot
-  from aubio.gnuplot import gnuplot_create
-  from aubio.txtfile import read_datafile
-  from aubio.plot.keyboard import draw_keyboard
-  lines = []
-  titles = []
-  for file in range(len(sys.argv)-1):
-    l = read_datafile(sys.argv[file+1])
-    notes, score = [],[]
-    for i in range(len(l)):
-      notes.append(l[i][0])
-      score.append(l[i][2])
-    lines.append(Gnuplot.Data(notes,score,
-      with='linespoints',
-      title=sys.argv[file+1].split('.')[-1]))
-    titles.append(sys.argv[file+1].split('.')[-1])
-  blacks,whites = draw_keyboard(firstnote = notes[0], lastnote = notes[-1], 
-    y0= 40, y1 = 50)
-
-  g = gnuplot_create(sys.argv[file+1].split('.')[-3],'ps')
-  #g = gnuplot_create('','')
-  #g = gnuplot_create('/tmp/test','eps')
-  g('set yrange [40:100]')
-  #g('set xrange [%f:%f]' % (notes[0],notes[-1]+60))
-  g('set size 0.5')
-  g('set key outside')
-
-  g('set border 3')
-  g('set xtics nomirror')
-  g('set ytics nomirror')
-  multiplot = 1
-  oplots = lines
-  g('set size 1,2')
-  if multiplot:
-    height = 2.
-    g('set lmargin 10')
-    #g('set rmargin 15')
-    g('set multiplot')
-    g('set yrange [50:100]')
-    g('set xrange [%f:%f]' % (notes[0],notes[-1]))
-    g('set xtics %f,12' % notes[0])
-    g('set nokey')
-    for i in range(len(oplots)):
-      g.ylabel(titles[i])
-      g('set size %f,%f' % (1.,height*.85/float(len(oplots))))
-      g('set origin 0,%f' % (height*(.15+.85*float(len(oplots)-i-1)/float(len(oplots)))))
-      g.plot(oplots[i])
-    g('set title "Raw pitch accuracy (%) against midi note numbers"')
-    g('set noxtics')
-    g('set noytics')
-    g('set size %f,%f' % (1.,.15*height))
-    g('set origin 0,%f' % 0)
-    g('set yrange [40:50]')
-    g('set xrange [%f:%f]' % (notes[0],notes[-1]))
-    g.xlabel('')
-    g.ylabel('')
-    g.plot(whites,blacks)
-    g('unset multiplot')
-  else:
-    g.plot(whites,blacks,*lines)
diff --git a/tests/demo/bench/tempo/demo-tempo b/tests/demo/bench/tempo/demo-tempo
deleted file mode 100755
index 02579a62..00000000
--- a/tests/demo/bench/tempo/demo-tempo
+++ /dev/null
@@ -1,313 +0,0 @@
-#! /usr/bin/python
-
-""" this file was written by Paul Brossier 
-  it is released under the GNU/GPL license.
-"""
-
-import sys,time
-from aubio.task import taskbeat,taskparams
-from aubio.aubioclass import fvec, aubio_autocorr
-from aubio.gnuplot import gnuplot_create, gnuplot_addargs
-from aubio.aubiowrapper import *
-from math import exp,log
-
-usage = "usage: %s [options] -i soundfile" % sys.argv[0]
-
-def parse_args():
-        from optparse import OptionParser
-        parser = OptionParser(usage=usage)
-        parser.add_option("-i","--input",
-                          action="store", dest="filename", 
-                          help="input sound file")
-        parser.add_option("-n","--printframe",
-                          action="store", dest="printframe", default=-1, 
-                          help="make a plot of the n_th frame")
-        gnuplot_addargs(parser)
-        (options, args) = parser.parse_args()
-        if not options.filename: 
-                 print "no file name given\n", usage
-                 sys.exit(1)
-        return options, args
-
-def plotdata(x,y,plottitle="",**keyw):
-	import Gnuplot
-	return Gnuplot.Data(x, y, title="%s" % plottitle,**keyw)
-
-options, args = parse_args()
-filename = options.filename
-xsize = float(options.xsize)
-ysize = float(options.ysize)
-
-printframe = int(options.printframe)
-
-if options.outplot and printframe > 0: 
-  extension = options.outplot.split('.')[-1] 
-  outplot = '.'.join(options.outplot.split('.')[:-1])
-else: 
-  extension = ''
-  outplot = None
-f = gnuplot_create(outplot=outplot,extension=extension,options=options)
-
-params = taskparams()
-params.onsetmode = 'specdiff'
-task = taskbeat(filename,params=params)
-
-hopsize = params.hopsize
-bufsize = params.bufsize
-btstep = task.btstep
-winlen = task.btwinlen
-laglen = winlen/4
-step = winlen/4
-
-timesig = 0
-maxnumelem = 4
-gp = 0
-counter = 0
-flagconst = 0
-constthresh = 3.901
-g_var      = 3.901
-rp = 0
-rp1 = 0
-rp2 = 0
-g_mu = 0
-
-rayparam = 48/512.*winlen
-
-#t     = [i for i in range(hopsize)]
-#tlong = [i for i in range(hopsize*(btstep-1))]
-#tall  = [i for i in range(hopsize*btstep)]
-#a     = [0 for i in range(hopsize*btstep)]
-dfx = [i for i in range(winlen)]
-dfframe = [0 for i in range(winlen)]
-dfrev = [0 for i in range(winlen)]
-acframe = [0 for i in range(winlen)]
-
-localacf = [0 for i in range(winlen)]
-inds = [0 for i in range(maxnumelem)]
-
-acx = [i for i in range(laglen)]
-acfout  = [0 for i in range(laglen)]
-
-phwv  = [0 for i in range(2*laglen)]
-phwvx = [i for i in range(2*laglen)]
-
-dfwvnorm = exp(log(2.0)*(winlen+2.)/rayparam);
-dfwv = [exp(log(2.)*(i+1.)/rayparam)/dfwvnorm for i in range(winlen)]
-
-gwv = [exp(-.5*(j+1.-g_mu)**2/g_var**2) for j in range(laglen)]
-rwv = [(i+1.)/rayparam**2 * exp(-(i+1.)**2 / (2.*rayparam)**2)
-        for i in range(0,laglen)] 
-acf = fvec(winlen,1)
-
-nrframe = 0
-while (task.readsize == params.hopsize):
-  task()
-  #print task.pos2
-  #a[:-hopsize] = [i for i in a[-(btstep-1)*hopsize:]]
-  #a[-hopsize:] = [task.myvec.get(i,0) for i in t]
-
-  #g('set xrange [%f:%f]' % (t[0],t[-1]))
-  #time.sleep(.2)
-  if task.pos2==btstep-1:
-    nrframe += 1
-    dfframe = [task.dfframe.get(i,0) for i in range(winlen)]
-    if printframe == nrframe or printframe == -1:
-      d  = [[plotdata(range(-winlen,0),dfframe,plottitle="onset detection", with='lines')]]
-    # start beattracking_do
-    for i in range(winlen):
-      dfrev[winlen-1-i] = 0.
-      dfrev[winlen-1-i] = dfframe[i]*dfwv[i]
-    aubio_autocorr(task.dfframe(),acf()); 
-    acframe = [acf.get(i,0) for i in range(winlen)]
-    if not timesig:
-      numelem = 4
-    else:
-      numelem = timesig
-
-    old = 0
-    acfout = [0 for i in range(winlen/4)]
-    for i in range(1,laglen-1):
-      for a in range(1,numelem+1):
-        for b in range (1-a,a):
-          acfout[i] += acframe[a*(i+1)+b-1] * 1./(2.*a-1.)*rwv[i]
-          if old < acfout[i]:
-            old = acfout[i]
-            maxi = i
-    rp = max(maxi,1);
-
-    if printframe == nrframe or printframe == -1:
-      rwvs = [rwv[i]*max(acframe) for i in range(len(rwv))]
-      d += [[plotdata(acx,acfout,plottitle="comb filterbank", with='lines', axes='x1y1'),
-          plotdata([rp,rp],[1.2*old,min(acfout)],plottitle="period", with='impulses', axes='x1y1'),
-          plotdata(acx,rwvs,plottitle="L_w", with='lines', axes='x1y1')]]
-
-    # getperiod
-    inds = [0 for i in range(maxnumelem)]
-    localacf = [0 for i in range(winlen)]
-    period = 0
-    for a in range(1,4+1):
-      for b in range(1-a,a):
-        localacf[a*rp+b-1] = acframe[a*rp+b-1]
-    for i in range(numelem):
-      maxindex = 0
-      maxval = 0.0
-      for j in range(rp*(i+1)+i):
-        if localacf[j] > maxval:
-          maxval = localacf[j]
-          maxind = j
-        localacf[j] = 0
-      inds[i] = maxind
-    for i in range(numelem):
-      period += inds[i]/(i+1.)
-    period = period/numelem
-    #print "period", period
-
-    # checkstate 
-    if gp:
-      # context dependant model
-      acfout = [0 for i in range(winlen/4)]
-      old = 0
-      for i in range(laglen-1):
-        for a in range(timesig):
-          for b in range(1-a,a):
-            acfout[i] += acframe[a*(i+1)+b-1] * gwv[i]
-        if old < acfout[i]:
-          old = acfout[i]
-          maxi = i
-      gp = maxi
-    else:
-      # general model
-      gp = 0
-    #print "gp", gp
-    if printframe == nrframe or printframe == -1:
-      gwvs = [gwv[i]*max(acfout) for i in range(len(gwv))]
-      d += [[plotdata(acx,acfout,plottitle="comb filterbank", with='lines', axes='x1y1'),
-          plotdata(gp,old,plottitle="period", with='impulses', axes='x1y1'),
-          plotdata(acx,gwvs,plottitle="L_{gw}", with='lines', axes='x1y1')]]
-
-    if counter == 0:
-      # initial step
-      if abs(gp-rp) > 2.*constthresh:
-        flagstep = 1
-        counter  = 3
-      else:
-        flagstep = 0
-    #print "flagstep", flagstep
-    #print "rp2,rp1,rp", rp2,rp1,rp
-    acfw = [dfframe[i]*dfwv[i] for i in range(winlen)]
-
-    if counter == 1 and flagstep == 1:
-      # "3rd frame after flagstep set"
-      if abs(2.*rp-rp1- rp2) < constthresh:
-        flagconst = 1
-        counter = 0
-      else:
-        flagconst = 0
-        counter = 2
-    elif counter > 0:
-      counter -= 1
-
-    rp2 = rp1; rp1 = rp
-
-    if flagconst:
-      # "first run of new hypothesis"
-      gp = rp
-      g_mu = gp
-      timesig = 4 #FIXME
-      gwv = [exp(-.5*(j+1.-g_mu)**2/g_var**2) for j in range(laglen)]
-      flagconst = 0
-      bp = gp
-      phwv = [1 for i in range(2*laglen)]
-    elif timesig:
-      # "contex dependant"
-      bp = gp
-      if step > lastbeat:
-        phwv = [exp(-.5*(1.+j-step+lastbeat)**2/(bp/8.)) for j in range(2*laglen)]
-      else:
-        print "NOT using phase weighting"
-        phwv = [1 for i in range(2*laglen)]
-    else:
-      # "initial state"
-      bp = rp
-      phwv = [1 for i in range(2*laglen)]
-
-    while bp < 25:
-      print "WARNING, doubling the beat period"
-      bp *= 2
-
-    # 
-    phout = [0. for i in range(winlen)]
-
-    kmax = int(winlen/float(bp));
-
-    old = 0
-    for i in range(bp):
-      phout[i] = 0.
-      for k in range(kmax):
-        phout[i] += dfrev[i+bp*k] * phwv[i]
-      if phout[i] > old:
-        old = phout[i]
-        maxi = i
-    maxindex = maxi 
-    if (maxindex == winlen - 1): maxindex = 0
-    phase = 1 + maxindex
-    i = 1
-    beat = bp - phase
-    beats= []
-    if beat >= 0: beats.append(beat)
-    while beat+bp < step: 
-      beat += bp
-      beats.append(beat)
-    lastbeat = beat
-    #print beats,
-    #print "the lastbeat is", lastbeat
-
-    # plot all this
-    if printframe == nrframe or printframe == -1:
-      phwvs = [phwv[i]*max(phout) for i in range(len(phwv))]
-      d += [[plotdata(range(-laglen,0),phwvs[laglen:0:-1],plottitle="A_{gw}", with='lines',axes='x1y1'),
-          plotdata(range(-laglen,0),phout[laglen:0:-1],plottitle="df", with='lines'),
-          plotdata(-phase,old,plottitle="phase", with='impulses', axes='x1y1'),
-          plotdata([i for i in beats],[old for i in beats],plottitle="predicted", with='impulses')
-          ]]
-    #d += [[plotdata(dfx,dfwv,plottitle="phase weighting", with='lines', axes='x1y2'),
-    #    plotdata(dfx,dfrev,plottitle="df reverse", with='lines', axes='x1y1')]]
-    #d += [[plotdata(dfx,phout,plottitle="phase", with='lines', axes='x1y2')]]
-    #d += [[plotdata(dfx,dfwv,plottitle="phase weighting", with='lines', axes='x1y2'),
-    #    plotdata(dfx,dfrev,plottitle="df reverse", with='lines', axes='x1y1')]]
-    #d += [[plotdata(dfx,phout,plottitle="phase", with='lines', axes='x1y2')]]
-
-      f('set lmargin 4')
-      f('set rmargin 4')
-      f('set size %f,%f' % (1.0*xsize,1.0*ysize) )
-      f('set key spacing 1.3')
-      f('set multiplot')
-
-      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
-      f('set orig %f,%f' % (0.0*xsize,0.66*ysize) )
-      f('set xrange [%f:%f]' % (-winlen,0) )
-      f.title('Onset detection function')
-      f.xlabel('time (df samples)')
-      f.plot(*d[0])
-      f('set size %f,%f' % (0.5*xsize,0.33*ysize) )
-      f('set orig %f,%f' % (0.0*xsize,0.33*ysize) )
-      f('set xrange [%f:%f]' % (0,laglen) )
-      f.title('Period detection: Rayleygh weighting')
-      f.xlabel('lag (df samples)')
-      f.plot(*d[1])
-      f('set size %f,%f' % (0.5*xsize,0.33*ysize) )
-      f('set orig %f,%f' % (0.5*xsize,0.33*ysize) )
-      f('set xrange [%f:%f]' % (0,laglen) )
-      f.title('Period detection: Gaussian weighting')
-      f.xlabel('lag (df samples)')
-      f.plot(*d[2])
-      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
-      f('set orig %f,%f' % (0.0*xsize,0.00*ysize) )
-      f('set xrange [%f:%f]' % (-laglen,laglen) )
-      f.title('Phase detection and predicted beats')
-      f.xlabel('time (df samples)')
-      f.plot(*d[3])
-      f('set nomultiplot')
-    if printframe == -1: a = sys.stdin.read()
-    elif 0 < printframe and printframe < nrframe:
-      break
diff --git a/tests/demo/bench/tempo/demo-tempo-acf b/tests/demo/bench/tempo/demo-tempo-acf
deleted file mode 100755
index e099b81c..00000000
--- a/tests/demo/bench/tempo/demo-tempo-acf
+++ /dev/null
@@ -1,157 +0,0 @@
-#! /usr/bin/python
-
-""" this file was written by Paul Brossier 
-  it is released under the GNU/GPL license.
-"""
-
-import sys,time
-from aubio.task import taskbeat,taskparams
-from aubio.aubioclass import fvec, aubio_autocorr
-from aubio.gnuplot import gnuplot_create, gnuplot_addargs
-from aubio.aubiowrapper import *
-from math import exp,log
-
-usage = "usage: %s [options] -i soundfile" % sys.argv[0]
-
-def parse_args():
-        from optparse import OptionParser
-        parser = OptionParser(usage=usage)
-        parser.add_option("-i","--input",
-                          action="store", dest="filename", 
-                          help="input sound file")
-        parser.add_option("-n","--printframe",
-                          action="store", dest="printframe", default=-1, 
-                          help="make a plot of the n_th frame")
-        gnuplot_addargs(parser)
-        (options, args) = parser.parse_args()
-        if not options.filename: 
-                 print "no file name given\n", usage
-                 sys.exit(1)
-        return options, args
-
-def plotdata(x,y,plottitle="",**keyw):
-	import Gnuplot
-	return Gnuplot.Data(x, y, title="%s" % plottitle,**keyw)
-
-options, args = parse_args()
-filename = options.filename
-xsize = float(options.xsize)
-ysize = float(options.ysize)
-
-printframe = int(options.printframe)
-
-if options.outplot and printframe > 0: 
-  extension = options.outplot.split('.')[-1] 
-  outplot = '.'.join(options.outplot.split('.')[:-1])
-else: 
-  extension = ''
-  outplot = None
-f = gnuplot_create(outplot,extension,options)
-
-params = taskparams()
-params.onsetmode = 'specdiff'
-task = taskbeat(filename,params=params)
-
-hopsize = params.hopsize
-bufsize = params.bufsize
-btstep = task.btstep
-winlen = task.btwinlen
-laglen = winlen/4
-step = winlen/4
-
-timesig = 0
-maxnumelem = 4
-gp = 0
-counter = 0
-flagconst = 0
-constthresh = 3.901
-g_var      = 3.901
-rp = 0
-rp1 = 0
-rp2 = 0
-g_mu = 0
-
-rayparam = 48/512.*winlen
-
-t     = [i for i in range(hopsize)]
-#tlong = [i for i in range(hopsize*(btstep-1))]
-#tall  = [i for i in range(hopsize*btstep)]
-sig    = [0 for i in range(hopsize*btstep*4)]
-dfx = [i for i in range(winlen)]
-dfframe = [0 for i in range(winlen)]
-dfrev = [0 for i in range(winlen)]
-acframe = [0 for i in range(winlen/2)]
-
-localacf = [0 for i in range(winlen)]
-inds = [0 for i in range(maxnumelem)]
-
-acx = [i for i in range(laglen)]
-acfout  = [0 for i in range(laglen)]
-
-phwv  = [0 for i in range(2*laglen)]
-phwvx = [i for i in range(2*laglen)]
-
-dfwvnorm = exp(log(2.0)*(winlen+2.)/rayparam);
-dfwv = [exp(log(2.)*(i+1.)/rayparam)/dfwvnorm for i in range(winlen)]
-
-gwv = [exp(-.5*(j+1.-g_mu)**2/g_var**2) for j in range(laglen)]
-rwv = [(i+1.)/rayparam**2 * exp(-(i+1.)**2 / (2.*rayparam)**2)
-        for i in range(0,laglen)] 
-acf = fvec(winlen,1)
-
-nrframe = 0
-while (task.readsize == params.hopsize):
-  task()
-  #print task.pos2
-  sig[:-hopsize] = [i for i in sig[-(btstep*4-1)*hopsize:]]
-  sig[-hopsize:] = [task.myvec.get(i,0) for i in t]
-
-  #g('set xrange [%f:%f]' % (t[0],t[-1]))
-  #time.sleep(.2)
-  if task.pos2==btstep-1:
-    nrframe += 1
-    dfframe = [task.dfframe.get(i,0) for i in range(winlen)]
-    # start beattracking_do
-    for i in range(winlen):
-      dfrev[winlen-1-i] = 0.
-      dfrev[winlen-1-i] = dfframe[i]*dfwv[i]
-    aubio_autocorr(task.dfframe(),acf()); 
-    acframe = [acf.get(i,0) for i in range(winlen/2)]
-    if printframe == nrframe or printframe == -1:
-      d  = [[plotdata(range(0,btstep*hopsize*4,4),sig[0:-1:4],plottitle="input signal", with='lines')]]
-      d  += [[plotdata(range(-winlen,0),dfframe,plottitle="onset detection", with='lines')]]
-      d  += [[plotdata(range(winlen/2),acframe,plottitle="autocorrelation", with='lines')]]
-
-    # plot all this
-    if printframe == nrframe or printframe == -1:
-
-      f('set lmargin 4')
-      f('set rmargin 4')
-      f('set size %f,%f' % (1.0*xsize,1.0*ysize) )
-      f('set key spacing 1.3')
-      f('set multiplot')
-
-      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
-      f('set orig %f,%f' % (0.0*xsize,0.66*ysize) )
-      f('set xrange [%f:%f]' % (0,btstep*hopsize*4) )
-      f('set yrange [%f:%f]' % (-1.2*max(sig),1.2*max(sig)) )
-      f.title('Input signal')
-      f.xlabel('time (samples)')
-      f.plot(*d[0])
-      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
-      f('set orig %f,%f' % (0.0*xsize,0.33*ysize) )
-      f('set xrange [%f:%f]' % (-winlen,0) )
-      f('set autoscale y')
-      f.title('Onset detection function')
-      f.xlabel('time (df samples)')
-      f.plot(*d[1])
-      f('set size %f,%f' % (1.0*xsize,0.33*ysize) )
-      f('set orig %f,%f' % (0.0*xsize,0.00*ysize) )
-      f('set xrange [%f:%f]' % (0,winlen/2) )
-      f.title('Autocorrelation')
-      f.xlabel('lag (df samples)')
-      f.plot(*d[2])
-      f('set nomultiplot')
-    if printframe == -1: a = sys.stdin.read()
-    elif 0 < printframe and printframe < nrframe:
-      break
diff --git a/tests/python/examples/__init__.py b/tests/python/examples/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/tests/python/examples/aubioonset.py b/tests/python/examples/aubioonset.py
deleted file mode 100644
index 42b3b8e2..00000000
--- a/tests/python/examples/aubioonset.py
+++ /dev/null
@@ -1,41 +0,0 @@
-from template import program_test_case
-
-class aubioonset_unit(program_test_case):
-  
-  import os.path
-  filename = os.path.join('..','..','sounds','woodblock.aiff')
-  progname = os.path.join('..','..','examples','aubioonset')
-
-  def test_aubioonset_with_inf_silence(self):
-    """ test aubioonset with -s 0  """
-    self.command += " -s 0" 
-    self.getOutput()
-    assert len(self.output) == 0, self.output
-
-class aubioonset_unit_finds_onset(aubioonset_unit):
-
-  def test_aubioonset(self):
-    """ test aubioonset with default parameters """
-    self.getOutput()
-    assert len(str(self.output)) != 0, "no output produced with command:\n" \
-      + self.command
-
-  def test_aubioonset_with_no_silence(self):
-    """ test aubioonset with -s -100 """ 
-    self.command += " -s -100 " 
-    self.getOutput()
-    # only one onset in woodblock.aiff
-    self.assertNotEqual(0, len(str(self.output)), \
-      "no output produced with command:\n" + self.command)
-    self.assertEqual(1, len(self.output.split('\n')) )
-    # onset should be at 0.00000
-    self.assertEqual(0, float(self.output.strip()))
-
-list_of_onset_modes = ["energy", "specdiff", "hfc", "complex", "phase", \
-                      "kl", "mkl", "specflux"]
-
-for name in list_of_onset_modes:
-  exec("class aubioonset_"+name+"_unit(aubioonset_unit):\n\
-  options = \" -O "+name+" \"")
-
-if __name__ == '__main__': unittest.main()
diff --git a/tests/python/examples/aubiopitch.py b/tests/python/examples/aubiopitch.py
deleted file mode 100644
index 33dcf108..00000000
--- a/tests/python/examples/aubiopitch.py
+++ /dev/null
@@ -1,69 +0,0 @@
-from template import *
-
-import os.path
-
-class aubiopitch_test_case(program_test_case):
-
-  import os.path
-  filename = os.path.join('..','..','sounds','woodblock.aiff')
-  progname = "PYTHONPATH=../../python:../../python/aubio/.libs " + \
-              os.path.join('..','..','python','aubiopitch')
-
-  def test_aubiopitch(self):
-    """ test aubiopitch with default parameters """
-    self.getOutput()
-    # FIXME: useless check
-    self.assertEqual(len(self.output.split('\n')), 1)
-    #self.assertEqual(float(self.output.strip()), 0.)
-
-  def test_aubiopitch_verbose(self):
-    """ test aubiopitch with -v parameter """
-    self.command += " -v "
-    self.getOutput()
-    # FIXME: loose checking: make sure at least 8 lines are printed
-    assert len(self.output) >= 8
-
-  def test_aubiopitch_devnull(self):
-    """ test aubiopitch on /dev/null """
-    self.filename = "/dev/null"
-    # exit status should not be 0
-    self.getOutput(expected_status = 256)
-    # and there should be an error message
-    assert len(self.output) > 0
-    # that looks like this 
-    output_lines = self.output.split('\n')
-    #assert output_lines[0] == "Unable to open input file /dev/null."
-    #assert output_lines[1] == "Supported file format but file is malformed."
-    #assert output_lines[2] == "Could not open input file /dev/null."
-
-mode_names = ["yinfft", "yin", "fcomb", "mcomb", "schmitt"]
-for name in mode_names:
-  exec("class aubiopitch_test_case_" + name + "(aubiopitch_test_case):\n\
-    options = \" -m " + name + " \"")
-
-class aubiopitch_test_yinfft(program_test_case):
-
-  filename = os.path.join('..','..','sounds','16568__acclivity__TwoCows.wav')
-  url = "http://www.freesound.org/samplesViewSingle.php?id=16568"
-  progname = "PYTHONPATH=../../python:../../python/aubio/.libs " + \
-              os.path.join('..','..','python','aubiopitch')
-  options  = " -m yinfft -t 0.75 "
-
-  def test_aubiopitch(self):
-    """ test aubiopitch with default parameters """
-    if not os.path.isfile(self.filename):
-      print "Warning: file 16568_acclivity_TwoCows.wav was not found in %s" % os.path.dirname(self.filename) 
-      print "download it from %s to actually run test" % url
-      return
-    self.getOutput()
-    expected_output = open(os.path.join('examples','aubiopitch','yinfft'+'.'+os.path.basename(self.filename)+'.txt')).read()
-    lines = 0
-    for line_out, line_exp in zip(self.output.split('\n'), expected_output.split('\n')):
-      try:
-        assert line_exp == line_out, line_exp + " vs. " + line_out + " at line " + str(lines)
-      except:
-        open(os.path.join('examples','aubiopitch','yinfft'+'.'+os.path.basename(self.filename)+'.txt.out'),'w').write(self.output)
-        raise
-      lines += 1
-
-if __name__ == '__main__': unittest.main()
diff --git a/tests/python/examples/aubiopitch/yinfft.16568__acclivity__TwoCows.wav.txt b/tests/python/examples/aubiopitch/yinfft.16568__acclivity__TwoCows.wav.txt
deleted file mode 100644
index dcdd52b0..00000000
--- a/tests/python/examples/aubiopitch/yinfft.16568__acclivity__TwoCows.wav.txt
+++ /dev/null
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