[QLab] MIDI file playback

[Jeremy Lee]

For now, I guess the answer is to treat MIDI in QLab like that in G- 
Type.  Instead of making SMF files, make lists of note messages in  
either a group cue or a separate list.

Chris- would it be possible to set up QLab to record a MIDI sequence,  
or import an SMF and parse it into a separate list?  My understanding  
of SMFs is basic at best, but I'm pretty sure that it's just simply a  
list of note on events, with durations, that happen at a specific  
time in ms.  This seems that it could be fairly easily parsed into a  
new cue list.  I don't pretend to understand it, but something called  
CLAM claims to convert MIDI files into XML.

http://clam.iua.upf.edu/faq.html

Might be a quicker way to MIDI playback glory than writing a new cue  
type.  "Import MIDI file to Group" command... ???

Best,

Jeremy

On Apr 14, 2007, at 9:30 AM, Christopher Ashworth wrote:

>
> On Apr 14, 2007, at 9:19 AM, Steven Devino wrote:
>
>> This whole thread has me confused.
>>
>> What CAN be sent via MIDI fro m QLAB?
>>
>> I thought MIDI was MIDI. So any string of MIDI command or MIDI notes
>> would be possible, No?
>
> Yes.
>
> The limitation discussed here is in reference to directing the output
> of pre-composed MIDI files played back from a Video Cue (i.e. from
> QuickTime).
>
> Sometimes it would be handy to direct the MIDI notes in a pre-
> composed file to an external device.
>
> Even though the QuickTime reference manual says you can route MIDI
> files to an external device in the System Preferences, this is not
> true.  A CoreAudio engineer has confirmed that they have "not
> supported this feature on Mac OS X".
>
> Pretty annoying that the manual has been wrong for so long, even
> though people keep pointing out that it is wrong, but there it is.
>
> Therefore, while QLab *can* send any set of MIDI notes or MSC
> messages to any external device, it can't yet redirect a MIDI file
> (pre-composed music or otherwise) to an external device.
>
> Christopher
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-- 
Jeremy Lee
     Sound Designer, NYC - USA 829
         http://www.jjlee.com


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