On Nov 29, 2006, at 07:26 AM, Olivier Tristan wrote:
Cor Jansen wrote:
Hello all,
I'm new to this group. I want to use my Mac-Mini as high quality
audio player.
My question is if I can do this by writing an audio subunit.
I want uncompressed audio files (probably wav files) to be played
back such that each sample is exactly send
to the digitail output port. Without modification. Each bit exact
as it is in the uncompressed file.
Is this possible?
Do you mean opening the audio device as 16 bits/24 bits output
stream and feed it with 16bits/24bits audio data ?
I would say that iTunes use float representation internally so
indeed it does not fit your requirements, but I don't think you can
tell the difference.
As long as your samples don't have more than 24 significant bits,
floating point representation is exact. If you want to assure that
only your output goes through, then you will need to take Hog mode on
the audio device that your using, thus locking out other applications
and the OS from using it.
You shouldn't have to write any kind of audio unit, just use the
existing ones. But honestly I don't believe you should have to write
any software at all. I suspect that you will find existing software
more than adequate to the job.
--
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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