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iphone: saving power when there's no audio to output

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iphone: saving power when there's no audio to output

Subject: iphone: saving power when there's no audio to output
From: Joel Reymont <email@hidden>
Date: Fri, 13 Feb 2009 22:01:35 +0000

My application will only output data when there's a packet received from the network. My intuition tells me that outputting zero-filled silence buffers every few milliseconds is not going to be gentle on the iPhone battery.

Would it be better to disable output by setting the kAudioOutputUnitProperty_EnableIO property or by calling AudioOutputUnitStop? Which one?

Can I just call AudioUnitRender _only_ when I have data, without setting kAudioUnitProperty_SetRenderCallback?

	Thanks, Joel

---
http://tinyco.de
--- Mac & iPhone


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