Welcome to the world of Scilab Speech

time analysis

1．auto(wavefile, window_type)

　　----autocorrelation function for the windowed data.

2．energy(wavefile, window_type)

　　----calculate the short-time average energy of a speech signal.

3．zcr(wavefile, window_type)

　　----calculate the short-time average zero-crossing rate of a speech signal.