• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
AudioConverter's algorithm vs complexity vs quality
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

AudioConverter's algorithm vs complexity vs quality


  • Subject: AudioConverter's algorithm vs complexity vs quality
  • From: "Mike Kluev" <email@hidden>
  • Date: Mon, 28 Jul 2008 15:29:41 +0400

AudioToolbox.framework/AudioConverter.h states this:

### @constant kAudioConverterSampleRateConverterAlgorithm
### DEPRECATED: please use kAudioConverterSampleRateConverterComplexity instead


while the doc at
http://developer.apple.com/documentation/MusicAudio/Reference/CoreAudio/audio_toolbox/chapter_4_section_4.html
states this instead:

### kAudioConverterSampleRateConverterAlgorithm = 'srci'
### Deprecated. Use kAudioConverterSampleRateConverterQuality instead.

Which one is corect?

I noticed that kAudioConverterSampleRateConverterComplexity doesn't
matter at all, only kAudioConverterSampleRateConverterQuality matters.
Is this correct observation and correct behavior? If yes, what is the purpose
of kAudioConverterSampleRateConverterComplexity?


Could I pass values other than kAudioConverterQuality_Max ... Min
to the quality parameter?

My sound is mono 16 bit integer uncompressed PCM if that matters.

Mike
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Coreaudio-api mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden


  • Follow-Ups:
    • Re: AudioConverter's algorithm vs complexity vs quality
      • From: William Stewart <email@hidden>
  • Prev by Date: AudioQueue newbie : Handling Forward , Rewind , etc..,
  • Next by Date: Re: Wrap .aac into .m4a container
  • Previous by thread: Re: AudioQueue newbie : Handling Forward , Rewind , etc..,
  • Next by thread: Re: AudioConverter's algorithm vs complexity vs quality
  • Index(es):
    • Date
    • Thread