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kMIDIPropertyMaxSysExSpeed
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kMIDIPropertyMaxSysExSpeed


  • Subject: kMIDIPropertyMaxSysExSpeed
  • From: Yoshiharu Honjo <email@hidden>
  • Date: Fri, 14 Sep 2001 18:31:27 +0900

Dear CoreAudio Team and the list,

I noticed the default value of kMIDIPropertyMaxSysExSpeed is
described as 3125 (Bytes/sec), on page 88 in the document "Audio
and MIDI on MacOS X" (coreaudio.pdf).

I think the correct value is 2500, as only 8 bits are utilized
for each 10-bit data (exclude a START bit and a STOP bit).
i.e.,
(31250 / (1 + 8 + 1)) * (8 / (1 + 8 + 1))
= 2500 (Bytes/sec)

Am I misunderstanding something?

Regards,

Yoshiharu Honjo


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