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Re: Audio Unit MIDI Output
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Re: Audio Unit MIDI Output


  • Subject: Re: Audio Unit MIDI Output
  • From: Brian Willoughby <email@hidden>
  • Date: Wed, 16 Feb 2011 19:49:23 -0800


On Feb 16, 2011, at 19:36, Philippe GRUCHET wrote:
James Coker:

AudioMulch, Bidule and Studio One support the AU MIDI Callbacks.
The workaround is to create virtual ports or use IAC busses, but then you have to deal with latency...

Yes, that's what I do in my AUs by creating my own MIDI source(-s) instead of relaying on IAC: I've no problem of latency to report.


Best,
Phil
Isn't the issue that sending MIDI to physical devices allows precise scheduling, including scheduling MIDI events in advance so that the hardware can deliver them on time, whereas sending MIDI to virtual outputs cannot use the same scheduling? My recollection is a little vague here, and I haven't tried the exact situation described, but I do seem to remember that hardware MIDI has certain advantages over virtual MIDI, even if the virtual MIDI ends up being sent to a hardware device eventually.

In any case, I'm sure James can clarify what he means by latency. I would certainly be interested to know more about the tradeoffs.

Brian Willoughby
Sound Consulting

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References: 
 >Audio Unit MIDI Output (From: Matthew Hubble <email@hidden>)
 >Re: Audio Unit MIDI Output (From: tahome izwah <email@hidden>)
 >Re: Audio Unit MIDI Output (From: andre <email@hidden>)
 >Re: Audio Unit MIDI Output (From: tahome izwah <email@hidden>)
 >Re: Audio Unit MIDI Output (From: James Coker <email@hidden>)
 >Re: Audio Unit MIDI Output (From: Philippe GRUCHET <email@hidden>)

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