Re: interleaved=stereo=multiplexed?
Re: interleaved=stereo=multiplexed?
- Subject: Re: interleaved=stereo=multiplexed?
- From: David Duncan <email@hidden>
- Date: Wed, 15 Sep 2004 23:27:57 -0400
On Sep 15, 2004, at 11:09 PM, Alexander Dvorak wrote:
At this page
http://developer.apple.com/documentation/MusicAudio/Reference/
CoreAudio/core_audio_types/chapter_6_section_3.html
It mentions "when audio data is interleaved, only one buffer is needed
in the AudioBufferList".
What is meant by interleaved? Does this mean stereo? How does this
relate to multiplexed data?
Interleaved means that if you have n channels of audio, then the
samples for any given time index appear sequentially. i.e. for a 4
channel interleaved stream, you see the audio as [ch1, ch2, ch3,
ch4][ch1, ch2, ch3, ch4], etc. So interleaved does not necessarily mean
stereo, it simply implies that more than one channel exists in a given
buffer. I'm not certain what you mean by multiplexed data however.
--
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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