sox

Sound eXchange: play, record and convert audio files.

Audio formats are identified by the extension.

• Merge two audio files into one:

sox -m {input_audiofile1} {input_audiofile2} {output_audiofile}

• Trim an audio file to the specified times:

sox {input_audiofile} {output_audiofile} trim {start} {end}

• Normalize an audio file (adjust volume to the maximum peak level, without clipping):

sox --norm {input_audiofile} {output_audiofile}

• Reverse and save an audio file:

sox {input_audiofile} {output_audiofile} reverse

• Print statistical data of an audio file:

sox {input_audiofile} -n stat

• Increase the volume of an audio file by 2x:

sox -v 2.0 {input_audiofile} {output_audiofile}

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