[QLab] MIDI file playback

Joshua Coleman josh at specialized-audio.com
Wed Apr 11 22:20:40 PDT 2007


>
>>
>> On Apr 11, 2007, at 4:16 AM, Joshua Coleman wrote:
>>
>>> I'm putting together a show where I need Qlab to playback a MIDI
>>> file to an external device. I can drag a midi file into Qlab and it
>>> will play it no problem using the quicktime music synthesizer, but
>>> I can't figure a way to send it to an external device (MIDI input
>>> of Lanbox DMX controller to be specific). I want this to happen so
>>> I can run a music track that is perfectly synchronized to some
>>> lighting cues.
>>
>> Hi Joshua,
>>
>> Unfortunately, as far as I can tell, external MIDI devices are not
>> supported through QuickTime on OS X.  (This was true at least for the
>> first few versions of OS X, and I have not been able to find whether
>> they fixed this or not in Tiger, and if so how to use it.)  Quicktime
>> appears to only support substituting in alternate sound banks for use
>> on the local machine.
>>
>> I'll shoot off a quick email to the Apple list and see if the
>> external devices are still unsupported.  If so, it means I'll have to
>> create a MIDI Music Cue for playing back MIDI files to external  
>> devices.
>>
>> Best,
>> Christopher
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>

Yep.... That's kinda what I figured... guess I'll have to try using  
some very precise "pre-wait" calculations added to the MSC cues. Not  
ideal, but I've got my heart set on making Qlab and the Lanbox run  
this entire show from house lights to curtain call...


Joshua Coleman
646-229-7905
www.specialized-audio.com




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