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time accuracy of AU render callback
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time accuracy of AU render callback


  • Subject: time accuracy of AU render callback
  • From: Sung <email@hidden>
  • Date: Wed, 15 Feb 2012 01:29:07 -0800

Hi all,

I am thinking about using Audio Unit render callback for very accurate time measurement.
For example, say I configure AU with sampling rate = 20,000, thenĀ 
the time elapsed from sample number 1 to sample 1001 will be 1000/20,000 seconds.

How accurate and reliable this measurement will be? Within 5-10ms, or worse?
Thanks.



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