Re: [SoX-users] Converting wav to vox

[Peter S. <ps...@nu...>]

Ignore this please,  it was answered a few days ago. I assume a moderator just released the message I posted before my list membership became active.


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----- Original Message -----
From: Peter Shute <ps...@nu...>
To: sox...@li... <sox...@li...>
Sent: Thu May 07 14:08:40 2009
Subject: [SoX-users] Converting wav to vox

I need to update a voice prompt on a phone system, and it requires the prompt to be in vox format.

By searching the web I've found examples of Sox commands to convert from vox to wav and vice versa.  I have no way of listening to the existing vox files or any I create, other than by converting them to wav format.

The wav file I created so that I could listen to the existing prompt worked ok.  Then I tried to convert it to vox, and converted the resulting file back to wav so I could listen to it.  All I hear is a burst of static.

Can someone please tell me what I'm doing wrong?  Here are the commands I'm using:

To convert existing vox to wav:
sox -t raw -r 8000 -c 1 -U -b 8 n1005.vox test.wav
That works nicely

To convert the resulting wav back to vox:
sox test.wav -r 8000 -c 1 test.vox polyphase stat
No idea if that works, so ...

To convert resulting vox back to wav for testing:
sox -t raw -r 8000 -c 1 -U -b 8 test.vox test2.wav
When I listen to test2.wav, it's a burst of static.

Peter Shute
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