Manipulating WAV files

[Michael Hipp]

David A. Bandel wrote:
> Folks,
> 
> Anyone know of a good, easy-to-use program to manipulate .wav files
> (or ulaw or alaw or gsm -- but I can convert between these easily
> enough)?
> 
> What I need to do:
> normalize sound (volume)
> add or remove silence to/from beginning or end of sound byte (usually
> remove from end)
> speed up or slow down (optional)
> 
> This is for an IVR (interactive voice recording) for Asterisk.

sox

Michael