thanks.  i'm going to check out apple's iPhoneMultichannelMixerText
sample code.  i assume the sample code shows how to change volume for
each track (audio-in / volume / audio-out), so i'm hoping replacing
volume for a pitch shift won't be too difficult..

On Mon, Nov 30, 2009 at 12:14 PM, Jens Alfke <j...@mooseyard.com> wrote:
>
> On Nov 30, 2009, at 9:04 AM, Chunk 1978 wrote:
>
>> is it possible to bend the pitch of a sound using AudioToolbox?
>
> Nope. For that you need to use AudioUnits; there's a built-in unit that will 
> do time/pitch shifting.
>
>> how can i accomplish a pitch bend of a live running sound?
>
> Basically you'd create an AUGraph that looks like
>        audio-in ---> pitch-shifter ---> audio-out
>
> CoreAudio is kind of involved :( but there's a bunch of C++ sample code and 
> utilities in /Developer/Examples/CoreAudio/. If you run into trouble, the 
> coreaudio-api list is the right place to ask questions.
>
> —Jens
_______________________________________________

Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to