Re: Preserve pitch
Re: Preserve pitch
- Subject: Re: Preserve pitch
- From: "Jan E. Schotsman" <email@hidden>
- Date: Wed, 1 Jun 2005 21:59:58 +0200
On 1-jun-05, at 21:04, Chris Rogers wrote:
Although it is possible to do this directly in QuickTime, currently
this is only using the low-quality time-stretching algorithm.
Using the AUTimePitch unit directly will allow use of the high-
quality algorithm as well. This may or may not be important
in your particular application, so using QuickTime directly may be a
simpler and more direct solution to your problem....
I think I want both. I want the quick solution because I am finalizing
the next version of my application, and I want the high quality version
because I am always in favor of high quality ;-) and I think if you
play music at half speed you probably need it.
Can you explain how I need to go about writing the converted data to a
file? Can I install an output callback or how does this work?
I understand how PlayAudioFileLite works and I have looked at the
AudioFile API, which looks pretty simple, but the problem is how to
connect to the other side of the unit.
Once I have the audio file, can I just copy it to a movie with standard
QT calls (even if it is 5.1 or whatever)?
Jan.
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