Re: Differences between iPhone and Desktop Audio
Re: Differences between iPhone and Desktop Audio
- Subject: Re: Differences between iPhone and Desktop Audio
- From: Doug Wyatt <email@hidden>
- Date: Fri, 22 May 2009 14:36:21 -0700
On May 22, 2009, at 12:39 , Peter Castine wrote:
- Can one use the Audio Component Services on desktop Mac OS, or do
I need to re-write all of the calls to use the QT Component Manager?
This API does not exist in MacOSX 10.5.x and earlier.
- I think the AudioSession API is irrelevant for desktop Mac OS and
I can just #ifdef around (or comment out) any calls to this API. Or
am I missing something/do I need to substitute calls from some
desktop API?
This API does not exist in any version of the desktop OS and has no
parallel there.
- The app does FFT processing and the iPhone veresion uses some code
the aurioTouch sample code (at least, I think this is where the FFT
code came from). What I've read (and understood) of the code so far
seems to be target-agnostic but, again, I ask if I'm missing any
modifications that need to be made?
I'm not familiar with that code.
The only thing I can think of to look out for is that there is no
support for fixed point formats like 8.24 on the desktop. Be sure to
specify your formats correctly and consistently with what your code
produces and expects.
- Audio Queue Services--identical or are there differences that one
needs to be aware of?
Pretty much the same.
HTH,
Doug
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