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 multi-channel output from Timeline
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| Author | Topic: multi-channel output from Timeline |
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Bill Meadows Member |
posted 23 March 2003 00:50
 
My recent experiments in 4-channel sound and the Timeline have left me somewhat frustrated. I developed some nice, rotating 4-channel Sounds, then dicovered that there is no way to use them in a Timeline. None of the 4 or 8 channel prototypes function correctly in a Timeline track. (I know, Timeline tracks are nominally mono. But they do sort of function in stereo, and I thought the whole idea was to able to "drag and drop" Sounds into tracks anyway.) A simple fix, it seems, would be a change in the way output assignments are handled for a track. For example, if I put a matrix4 Sound in a track, I should be able to assign that track to ouput on channels 1,2,3, and 4, and have it work properly. (The "Connect to Output n" interface is already there. The "Pan control" mode could stay the way it is.) It is easy to make a Kyma Sound that takes a stereo disk file input, synthesizes the rear channels, and then rotates the entire 4-channel image with a variable LFO. It's unfortunate that it won't work in a Timeline. IP: Logged |
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SSC Administrator |
posted 23 March 2003 13:01
Yes it would be nice to make this easier, but for now there is a workaround: use a SoundToGlobal controller to change your LFO into a master control function (see "Using the live audio signal as a live controller" on page 53 of the Kyma.5 Walkthrough). Slave each of the track Panner functions to this master function and use the controller function offset transformation to set the offsets between the different output pan positions. IP: Logged |
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Bill Meadows Member |
posted 24 March 2003 23:37
Perhaps the disk file was a poor example. What I am *really* doing is processing a live mic input and creating a stereo result - e.g. a GrainCloud with pan jitter. Then I use your L-R/R-L trick to create psuedo-quad. The resulting 4-channel output can pan around under LFO control. Can this be done in a Timeline? IP: Logged |
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SSC Administrator |
posted 25 March 2003 10:06
Sure, because (L minus R) and (R minus L) are mono signals. Use the Channeler module to get a mono signal for R and for L. Use the Track Angle to set each of those mono signals to its initial position. Use the Sound parameter Panner to go from 0 to 2 (one complete revolution starting from the intial position). IP: Logged |
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