uint_t aubio_silence_detection(fvec_t * ibuf, smpl_t threshold);
smpl_t aubio_level_detection(fvec_t * ibuf, smpl_t threshold);
+/**
+ * calculate normalised autocorrelation function
+ */
+void aubio_autocorr(fvec_t * input, fvec_t * output);
#ifdef __cplusplus
}