I want to know how do I convert an mp3 file to vox file format.

2 Answers 2


You want Sound eXchange aka SoX. Here's an example of converting WAV to VOX (source):

sox input.wav -r 8000 -c 1 output.vox vol 1.0 polyphase stat

See the SoX manpage and supported file formats documentation.

Note that the general sox syntax is:

sox [global-options] [input-format-options] infile1 [... infile2]
[output-format-options] outfile [effect [effect-options]

So in the above example, -r 8000 -c 1 are format options for the output VOX file.

You probably won't need input file options for MP3 data since SoX can read that from the file header.


SoX supports vox format.

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