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09-13-2013, 07:09 AM
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#1
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Human being with feelings
Join Date: Nov 2009
Location: Montreal, Canada
Posts: 9,048
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What is "channel pressure" midi CC thingy?
I have data in a channel pressure midi CC thing, and I have no idea what it is.
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Slava Ukraini
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09-13-2013, 07:39 AM
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#2
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Human being with feelings
Join Date: May 2006
Location: Surrey, UK
Posts: 19,677
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Channel Pressure is also know as Aftertouch (not the same as Polyphonic Aftertouch)
More info here:
http://forum.cockos.com/showthread.php?t=127635
Where did it come from? And what do you want to do with it?
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DarkStar ... interesting, if true. . . . Inspired by ...
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09-13-2013, 07:46 AM
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#3
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Human being with feelings
Join Date: Nov 2009
Location: Montreal, Canada
Posts: 9,048
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Quote:
Originally Posted by DarkStar
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It must have come from my small axiom 25, because I don't have aftertouch on my p85, I don't really want to do anything with it. I was just deleting midi CCs to start fresh, and I was wondering what that was, whether or not I could delete it, and whether or not I wanted it, or could make use of it.
So you answered my question. Not sure what my aftertouch was mapped to on my instrument, but I don't really have any sustained notes where it would make any difference I think.
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Slava Ukraini
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09-13-2013, 10:22 AM
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#4
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Human being with feelings
Join Date: Aug 2013
Posts: 215
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If you don't use the aftertouch function, you can disable it on your Axiom.
Then you keep your MIDI data stream thinner, and don't have to delete them from your tracks. Check your Axiom manual.
BTW, aftertouch data can be huge if you tend to press on your keys much, so if you don't need it, it would be very beneficial to disable it on your controller.
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09-13-2013, 10:48 AM
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#5
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Human being with feelings
Join Date: Jun 2008
Location: In a cave
Posts: 672
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Aftertouch/channel pressure can really enhance the emulation of wind instruments. (Horns,oboes etc.) and more.
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Sometimes it's intermittent, sometimes it's not.
"Don't quantize me bro".
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09-13-2013, 11:33 AM
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#6
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Human being with feelings
Join Date: Aug 2013
Posts: 215
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Quote:
Originally Posted by martygras
Aftertouch/channel pressure can really enhance the emulation of wind instruments. (Horns,oboes etc.) and more.
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Extremely true. Emulating these instruments is really tough, and the more controllers you can use to do so helps. I am a Sax and Flute player also, and really understand how much of a skill it is to emulate these instruments with MIDI controllers.
Also, filter sweeps on synths, and you can remap these CC's to other functions.
But if not using these attributes, it is very desirable to just turn them off to keep the MIDI data stream thin.
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09-13-2013, 11:53 AM
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#7
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Human being with feelings
Join Date: Jan 2010
Location: Kalispell
Posts: 14,745
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It's actually a great controller for some things. Like vibrato, there's just something about pressing a key that gives it more feeling. It can also have more feeling and be more expressive than a slider, wheel, or foot pedal.
Nearly all the instruments and patches in my old keyboards and sound modules were setup with aftertouch for vibrato. I don't see it quite so much with VSTis although with Kontakt it's not too hard to program it in.
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09-13-2013, 12:09 PM
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#8
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Human being with feelings
Join Date: Jun 2008
Location: In a cave
Posts: 672
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Quote:
Originally Posted by Tod
It's actually a great controller for some things. Like vibrato, there's just something about pressing a key that gives it more feeling. It can also have more feeling and be more expressive than a slider, wheel, or foot pedal.
Nearly all the instruments and patches in my old keyboards and sound modules were setup with aftertouch for vibrato. I don't see it quite so much with VSTis although with Kontakt it's not too hard to program it in.
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Tod, yeah I used to have an Italian synth in the 80's (Nova???) with really nice pressure curve, and it was just so expressive. I miss that tactile response.
Now I use an EWI live with Garritan libraries. Lovely.
__________________
Sometimes it's intermittent, sometimes it's not.
"Don't quantize me bro".
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09-13-2013, 09:40 PM
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#9
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Banned
Join Date: Dec 2011
Location: Oud West, NL
Posts: 2,335
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I haven't heard it called 'channel pressure' in quite some time, but I am totally in love with Aftertouch. Like it's been pointed out, it can add loads to note expression and such.
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09-13-2013, 10:30 PM
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#10
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Human being with feelings
Join Date: Aug 2013
Posts: 215
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Unfortunately, keyboard mfg's really vary the effectiveness of the aftertouch due to build quality, etc.
For example, my first MIDI board was a JX-8P. The aftertouch absolutely sucked, and I have heard this over and over through the years. So apparently, it wasn't just my board.
Some get it really good though, and when it works properly, can really enhance performance skills.
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09-13-2013, 10:38 PM
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#11
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Banned
Join Date: Dec 2011
Location: Oud West, NL
Posts: 2,335
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That was good to mention, Studio Tan. I thought about that after posting. It is still considered an 'extra' by some keyboard makers, and I wish it were standardised and made available to everyone on any keys. I expect it will be before long, as more and more synths offer the feature and more presets have it included. I got lucky -- being a basic non-keyboardist, I bought the inexpensive Graphite 49 and it works extremely well. I saw it listed as a feature before buying but had no idea what to expect for quality.
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