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AudioExtraction against CoreAudio which to to take?
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AudioExtraction against CoreAudio which to to take?


  • Subject: AudioExtraction against CoreAudio which to to take?
  • From: Marc Van Olmen <email@hidden>
  • Date: Sat, 18 Mar 2006 10:52:03 -0500

hi,

I'm currently using SoundManager to decompress Movie Tracks on my own. I read my self the samples from the QuickTime movie then I feed them myself to the SoundManager SoundConverter routines. This technique has worked perfect for me in the last years. But I'm thinking of scheduling time in the near future to update my engine to latest technology.

So I have to make a choice between QT AudioExtraction or CoreAudio decompression.

Obviously QT AudioExtraction is the most easy to use solution, but has one major drawback. I can't feed it my own samples, correct me if I'm wrong... So if I want to use it with my own Reading routines I need to write my own DataHandler....

CoreAudio decompression doesn't have that disadvantage but it seems to suffer from the fact that It doesn't support all the Audio Codec's (or not as well like .mp3 for example) or am I wrong? I probably need to support only .mp3, AAC , DV Audio, etc...

Q1:
===
So which direction would you recommend: QTAudioExtraction or CoreAudio?

Q2:
===
Is my understanding correct that AudioExtraction Decompression architecture is based on CoreAudio codec in case the exsist?
Or does it still use the QuickTime componenents for decompression?


regards,

mvo
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