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Author Topic:   Sample Looping question...
JackRosete
Member 		posted 02 December 2005 15:46         Edit/Delete Message   Reply w/Quote
I'm working on a sound for live performance using the Sample prototype. I've set up some looping functions based on the sample playback position whenever a !Keydown is received, using the following scripts - courtesy of SSC : )

LoopStart: !KeyDown sampleAndHold: (1 repeatingRamp: 'Break.aif' sampleFileDuration s)

LoopEnd: (((!KeyNumber - 59) * 5 ms) / ('Break.aif' sampleFileDuration s)) + (!KeyDown sampleAndHold: (1 repeatingRamp: 'Break.aif' sampleFileDuration s))

I would now like to extend the functionality of this sound so that a !Keydown will trigger the above functions, and a zero velocity (!KeyUp???) will trigger a return to normal loop playback.

If possible, it would be ideal if the resumption of normal loop playback could occur at the point where it would have been if no !keyDown had been received in the first place - if that makes sense!

Not sure how to implement this in Kyma.

Would appreciate some help : )

Jack

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JackRosete
Member 		posted 02 December 2005 16:37         Edit/Delete Message   Reply w/Quote
Another thought! Could aftertouch be built-in somehow to increase/decrease the micro delay time on the fly? That would be a very interesting variation...

Is there an expression for using aftertouch in a parameter field?

It's so easy to get carried away in Kyma! lol

Thanks in advance,

Jack

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SSC
Administrator 		posted 02 December 2005 20:31         Edit/Delete Message   Reply w/Quote
One approach might be to use a CrossFade module to combine the Sample you have with a second Sample that loops continuously (without the stuttering !KeyDown interruptions). Then you could use !KeyDown to control a crossfade from one to the other by setting the Fade parameter to:

!KeyDown abs smooth: 5 ms

where you could replace 5 ms with the desired duration of the crossfade.

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JackRosete
Member 		posted 02 December 2005 22:25         Edit/Delete Message   Reply w/Quote
Thank you! Worked exactly as I was hoping.

Jack

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