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Re: Using the Audio Extraction API in QuickTime 7



On Dec 23, 2005, at 04:59 AM, Andy Robinson wrote:

I've just been reading "Using the Audio Extraction API in QuickTime 7"
http://developer.apple.com/quicktime/audioextraction.html

Can this be used to read sample data from mp4 files? (where you have the
appropriate license of course).

You should be able to extract audio from most if not all unprotected files that have audio (I'm not certain about muxed MPEG). Protected audio files however will only produce silence. And you shouldn't need a license to extract audio, only to encode it.
--
Reality is what, when you stop believing in it, doesn't go away.
Failure is not an option. It is a privilege reserved for those who try.


David Duncan

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