Re: [SoX-users] acoustic-marks in audio-file

[Ulrich K. <ul...@ch...>]

Rainer M. Engel <en...@en...>:

> I read about channels and rate (-c 2 -r 48000) but I do not know how to
> create a wav file of a given length with empty channels.

There is a special file "-n" that contains infinite silence on read  
(anything written to it will be discarded). You can use the "trim"  
effect to only get part of this infinity. Thus,
   sox -c 2 -r 48000 -n silence.wav trim 0 5:00
will give you five minutes of silence, in stereo.

Ulrich