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Re: AudioUnitProperty to change the rendered time of one single bus
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Re: AudioUnitProperty to change the rendered time of one single bus


  • Subject: Re: AudioUnitProperty to change the rendered time of one single bus
  • From: William Stewart <email@hidden>
  • Date: Mon, 24 Mar 2008 13:06:30 -0700


On Mar 22, 2008, at 9:00 AM, MF wrote:

I have a question about rendering multiple audio inputs.

if I have a mixer node with five input busses to render five audio inputs, I suppose I can use AudioUnitSetProperty to manipulate the panning and volume of each audio input,

AudioUnitSetParameter actually

but is there any property to alter the current playing time of each audio input( each bus)? For example: by setting the respected property the current time jumps from 1:25 back to 0:00

I think this is beyond the audio unit - the audio unit is just rendering samples, it has no notion of a time line, or of where those samples come from - that is above the audio unit and up to your program that is feeding the data into the audio unit to manage that.


another example, the five audio inputs are now playing concurrently, and there are five buttons on the window, when the user triggers one of them, the respective audio stream will rewind to the very beginning, while the other audio inputs are not influenced.

same - its all about how you handle which audio is fed when to which bus

Bill


any suggestion would be appreciated!!

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 >AudioUnitProperty to change the rendered time of one single bus (From: MF <email@hidden>)

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