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of timestamps & midi packets
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of timestamps & midi packets


  • Subject: of timestamps & midi packets
  • From: Roy Lovejoy <email@hidden>
  • Date: Thu, 31 Jul 2003 09:40:00 -0700

Before I start padding my office, and removing sharp objects & shoelaces,
can someone please tell me if the timeStamp field in the MIDIPacket datastructure
is used during a MIDISend() ??

the data I was sending down sounded like a 50 car pile-up, so I reduced the test
case down to a note on & a note off, the first with a timestamp of AudioGetCurrentHostTime(),
the second with a time stamp of that, plus a rather big number, and the sound out of the midi device
was still just a blip (not on for any perceivable duration).

with MIDISend(), do _I_ need to sequence everything, or does timeStamp really mean something?

And though I'm a MIDI newbie (this time around.. did the whole MIDI Manager thing, back in the day),
I always do google/adc research before posting on any list, but i'll be d@mned if I couldn't find a single reference that said what unit MIDITimeStamp was in. (milliseconds? microseconds? MTC?)

any and all help appreciated.
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  • Follow-Ups:
    • Re: of timestamps & midi packets
      • From: Philippe Wicker <email@hidden>
References: 
 >Re: AUGraph and DP macs (From: David Duncan <email@hidden>)

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