Re: AUGraph Problem
Re: AUGraph Problem
- Subject: Re: AUGraph Problem
- From: Brian Whitman <email@hidden>
- Date: Sun, 13 Apr 2008 08:27:23 -0400
On Apr 13, 2008, at 3:05 AM, Christopher O'Neill wrote:
So, after looking at activity monitor, I can see that my program is
using severe cpu cycles when I start playing sound. How do I change
which algorithm is used?
Not sure if this works for AUPitch (I know it does for AUTimePitch)
but try setting the kAudioUnitProperty_RenderQuality e.g.
AudioUnitSetProperty(audioUnits->timeAU,
kAudioUnitProperty_RenderQuality, kAudioUnitScope_Global, 0,
&timeStretchQuality, sizeof(UInt32) );
kRenderQuality_Max = 0x7F
kRenderQuality_High = 0x60
kRenderQuality_Medium = 0x40
kRenderQuality_Low = 0x20
kRenderQuality_Min = 0
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