AudioTrim

AudioTrim[audio] trims silence from the beginning and end of audio.

AudioTrim[audio,t] returns the first t seconds of audio.

AudioTrim[audio,-t] returns the last t seconds of audio.

AudioTrim[audio,{t1,t2}] returns audio starting at time t1 and ending at time t2 of audio.

AudioTrim[audio,{{t11,t12},…}] returns a list of audio for all given intervals {ti1,ti2}.

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