Hi PP,

assuming the wav file plays ok the following works here

SOURCE=path/to/your/input/file

HEADNUM=how far from the *START* of the file you want to start in seconds

TAILNUM=how far from the *START* of the file you want to end in seconds.

you may have 0 and 60


ffmpeg -hide_banner -loglevel error -i $SOURCE -ss $HEADNUM -to $TAILNUMĀ  somedesiredoutput.wav

If this does not work you may have a wav file that is carrying data in chunks at one or other end.

or is a wav container which has something ffmpeg won't play with.

https://downloads.avaya.com/elmodocs2/cmapi/docs/api/doc-files/G729WaveFileFormat.html

suggests you need to find a converter to make the g729 into something user friendly.

regards

Robert

On 25/05/21 8:18 am, pink panther wrote:
I have a 325kb audio wave file recorded in g729. I am trying to  trim it to
1 minute. I have tried almost every command I see from guys using ffmpeg
and none seem to work.Can someone assist?

Thanks
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