generated with octave butter function: [b,a] = butter(2, 0.34);
*/
t->biquad = new_aubio_filter_biquad (0.15998789, 0.31997577, 0.15998789,
- -0.59488894, 0.23484048);
+ // FIXME: broken since c9e20ca, revert for now
+ //-0.59488894, 0.23484048);
+ 0.23484048, 0);
return t;
}