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 Forum index » DIY Hardware and Software » ChucK programming language
Control Change
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Plasticman



Joined: Feb 25, 2008
Posts: 11
Location: Ireland
PostPosted: Mon Apr 07, 2008 12:36 pm    Post subject: Control Change
Subject description: Question about the controlChange function in the StkInstrument class		 Reply with quote  Mark this post and the followings unread
Code:
.controlChange - ( int number, float value ) - assert control change - numbers are instrument specific, value range: [0.0 - 128.0]


Just a question about this function... As this is specific to each StkInstrument, is there a list somewhere of what the int value for each control is? Are they in the order shown for each class on this page? Also, can that function change the freq control?

Thanks
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radarsat1



Joined: Mar 14, 2008
Posts: 85
Location: Montreal
PostPosted: Mon Apr 07, 2008 1:01 pm    Post subject: Reply with quote  Mark this post and the followings unread
Look on the page you linked, each instrument has a list of control change values, for instance for BandedWG:

Quote:
Control Change Numbers:
- Bow Pressure = 2
- Bow Motion = 4
- Strike Position = 8 (not implemented)
- Vibrato Frequency = 11
- Gain = 1
- Bow Velocity = 128
- Set Striking = 64
- Instrument Presets = 16
- Uniform Bar = 0
- Tuned Bar = 1
- Glass Harmonica = 2
- Tibetan Bowl = 3
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Plasticman



Joined: Feb 25, 2008
Posts: 11
Location: Ireland
PostPosted: Wed Apr 09, 2008 5:24 am    Post subject: Reply with quote  Mark this post and the followings unread
Touché, thanks.
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Kassen
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Joined: Jul 06, 2004
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PostPosted: Wed Apr 09, 2008 6:56 am    Post subject: Reply with quote  Mark this post and the followings unread
Also; typically you don't need to use those. They are inherited from the STK but (nearly?) all are copied to more meaningful, readable and ChucKian member functions.
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Plasticman



Joined: Feb 25, 2008
Posts: 11
Location: Ireland
PostPosted: Wed Apr 09, 2008 11:37 am    Post subject: Reply with quote  Mark this post and the followings unread
It's actually more suited to my puroses than the member functions; it's being used as the backend to a synthesizer which communicates using OSC, so the (int, float) parameters are perfect for the sliders on the front end. Thanks for the suggestion though.
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chuckles



Joined: Apr 02, 2007
Posts: 72
Location: San Diego, California
PostPosted: Fri Feb 25, 2011 3:47 pm    Post subject: STK Control Change values don't do anything? Reply with quote  Mark this post and the followings unread
I took the examples for e.g. ModalBar, BandedWG and took away the random values for notes and presets, holding those fixed and just letting the example loop over different values for the various other parameters. As far as I can tell, the sound does not change at all. However, no error messages are created. (e.g., "illegal value", etc.) Also, whereas the manual says that many of those parameters should be 0.0 - 1.0, they appear the accept values up to 128.

Has anyone else seen this?
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