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How to decode files with large number of channels and/or high sample r
post Feb 2 2012, 03:00
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Suppose I have a FLAC wich uses eight channels with 384kHz sample rate.

Now, in order to work with that file, I'd like to decode it first into a PCM format. But eight channels and 384kHz sample rate can't be handled by a .WAV file, what else should I use? Also, .WAV files can't get larger than 4GB, which is quite problematic at high sample rates and high number of channels.

The other way round is interesting as well: Suppose I have eight channels, each on in his separate .WAV file, how do I combine them together to one multichannel FLAC, or lossless formats like Ogg/Vorbis?

What I need is some sort of PCM file, that stores the channels as simple values. I don't need much metadata, that can be stored in external files without problems.

Please don't ask "why do you need so many channels", or "that high sample rate doesn't make sense!". This is a hypothetical question that is supposed to help me develop software, if you must know.

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