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SOX U-Law WAV to "Microsoft WAV"
Shane N
post Nov 12 2007, 19:27
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I've got U-Law WAVs that I need to encode to the Microsoft WAV format.

When I run the following command, and open the file test.wav, it works fine:
sox.exe "ulawfile.wav" -t wav -r 16000 test.wav

However, I need to run this in a PHP site, and would like it to start the download immediately so the user doesn't have to wait for it to encode, so I run this:
sox.exe "ulawfile.wav" -t wav -r 16000 -

That command is executed and the results are dumped out immediately. However, when you try to play the file, it works fine, but you cannot "jump" ahead in the file. When you click on an area in the playback bar, it gives me an error "Windows Media Player cannot play the file." If I start it from the beginning and let it play by itself, it works fine, I just can't jump around in the playback.

What would cause this?

(Sorry if this isn't the right forum, I couldn't find one that dealt with WAVs directly)
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