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From: Thomas Ward <slingshooter@valkyrie.net>
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Subject: Re: Unhappy Wav Files
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I assume you are trying to burn the wav files to a cd as an audio cd? If 
so the wav files need to be 16 byt 44100 khz in order to burn to an audio 
cd.
I believe you can use sox to change it from what ever it is to make it 
meet the audio cd requirements.