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ExtAudioFile 4GB file size limitation on WAV files
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ExtAudioFile 4GB file size limitation on WAV files


  • Subject: ExtAudioFile 4GB file size limitation on WAV files
  • From: tahome izwah <email@hidden>
  • Date: Sat, 30 Apr 2011 12:25:08 +0200

Hi all,

my app has to create very large WAV files (several hours of audio) in
a 24bit PCM stereo WAV compliant format.

Now, ExtAudioFile seems to support writing only PCM WAV files that are
4.3 GB or less. Is there any way to avoid this restriction (after all,
there is an extension to WAV that allows for larger files) or is this
something that we have to live with? Any trick to make EAF use
extended WAV instead?

I am aware that CAF (and other) file formats don't have this
restriction, but for reasons that are beyond my control we need to
produce files that are in plain M$ WAV format.

Thanks!
--th
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