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"Aftertouch"? #2881453
08/19/19 09:05 PM
08/19/19 09:05 PM
Joined: Jan 2013
Posts: 1,359
Upstate New York, USA
N
newbert Offline OP
1000 Post Club Member
newbert  Offline OP
1000 Post Club Member
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Joined: Jan 2013
Posts: 1,359
Upstate New York, USA
Simple question - What exactly is "aftertouch" on a digital keyboard?

Thanks!


Bert
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Re: "Aftertouch"? [Re: newbert] #2881455
08/19/19 09:18 PM
08/19/19 09:18 PM
Joined: Jun 2019
Posts: 338
USA
S
Sweelinck Offline
Full Member
Sweelinck  Offline
Full Member
S

Joined: Jun 2019
Posts: 338
USA
After you have played a note/key, while still holding it down, you can press harder to generate an after touch event. This could be set up to activate a vibrato effect, pitch bend, resonant filter sweep, or other effect. Both the keyboard action and the sound engine have to be designed to do it. A downside is that some players find it causes them to increase tension, which could increase the risk of injury.


Login name is a tribute to Jan Pieterszoon Sweelinck, arguably the historically first great keyboard virtuoso.
Re: "Aftertouch"? [Re: newbert] #2881458
08/19/19 09:36 PM
08/19/19 09:36 PM
Joined: Jan 2013
Posts: 1,359
Upstate New York, USA
N
newbert Offline OP
1000 Post Club Member
newbert  Offline OP
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Joined: Jan 2013
Posts: 1,359
Upstate New York, USA
Thank you! I always wondered what it was and how it was used.


Bert
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Re: "Aftertouch"? [Re: newbert] #2881488
08/19/19 11:51 PM
08/19/19 11:51 PM
Joined: Dec 2012
Posts: 5,012
Richmond, BC, Canada
C
Charles Cohen Online content
5000 Post Club Member
Charles Cohen  Online Content
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C

Joined: Dec 2012
Posts: 5,012
Richmond, BC, Canada
As an extra complexity, some keyboards have "monophonic aftertouch" (the total pressure on the keys determines what MIDI level is sent to the sound generator),

some keyboards have "polyphonic aftertouch" -- each key generates its own aftertouch MIDI data stream.

So with polyphonic aftertouch, you can control the loudness (or vibrato, or pitch-bend) of _individual notes_ in a chord, in real time --

. . . if you're a good enough player to master it

. . . and a good enough musician to use it well.

Be careful what you wish for . . . <g>


. Charles
---------------------------
PX-350 / microKorg XL+ / Pianoteq / Lounge Lizard / Korg Wavedrum / EV ZXA1 speaker

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