AUTimePitch
AUTimePitch
- Subject: AUTimePitch
- From: Ashley Allen <email@hidden>
- Date: Tue, 10 Jun 2008 13:28:01 -0700
Hi,
I have an AUGraph with a stereo mixer connected to 1 or more subgraphs as follows: StereoMixer->[Effects Chain]->AUFilePlayer. An AUFilePlayer plays back sampled regions at scheduled times. Everything plays back perfectly when no effects sit between the AUFilePlayer and the StereoMixer. Regardless of how man samples, the AuFilePlayer units play in time. When I add an AUTimePitch unit to synchronize different samples with different beats per minute the timing is off. I believe the AUTimePitch unit is working correctly, but I think the processing delay introduced by the unit is throwing things off which leads me to my question. Should I pre-process samples that have different beats per minute to normalize my samples and then program the AUFilePlayer units? Or, should I expect that I can synchronize samples on the fly by programming an AUTimePitch unit, determining the latency it introduces to the chain, and adding that latency to the start-time of other AUFilePlayer units in other sub graphs connected to the AUStereoMixer? How does Garage Band synchronize beats and compensate for latency introduced by effect units?
Ashley
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