A toolkit to augment audios (e.g. noise, reverb, distort, speedup, packet loss, farfield effects).

Automatic gain control module for speech signals

Chirp Swept-frequency sine generator.

Windowing functions to damp out the effects of the Gibbs phenomenon resulted from truncation of an infinite series.

MFCC/Fbank/LPC/LPCC

A lookup table based method to calculate y = log(b, x)