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aftouch

Get the current after-touch value for this channel.

Syntax

kaft = aftouch([imin] [, imax])

kaft aftouch [imin] [, imax]

Initialization

imin (optional, default=0) -- minimum limit on values obtained.

imax (optional, default=127) -- maximum limit on values obtained.

Examples

Here is an example of the aftouch opcode. It uses the file aftouch-modern.csd.

Example of the aftouch opcode.
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<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out   No messages  MIDI in
-odac           -d         -M hw:1,0  ;;;RT audio out with MIDI in
</CsOptions>
<CsInstruments>

sr = 44100
ksmps = 32
nchnls = 2
0dbfs  = 1

instr 1
  aft:k = aftouch(0, 1)
  printk2(aft)

  ;aftertouch from music keyboard used for volume control
  sig:a = poscil(0.7 * aft, 220)
  outs(sig, sig)
endin

</CsInstruments>
<CsScore>
i 1 0 30
e

</CsScore>
</CsoundSynthesizer>

Here is an example of the aftouch opcode. It uses the file aftouch.csd.

Example of the aftouch opcode.
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<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out   No messages  MIDI in
-odac           -d         -M0  ;;;RT audio out with MIDI in
</CsOptions>
<CsInstruments>

sr = 44100
ksmps = 32
nchnls = 2
0dbfs = 1

instr 1

kaft aftouch 0, 1
printk2 kaft

;aftertouch from music keyboard used for volume control
asig    oscil 0.7 * kaft, 220, 1
        outs  asig, asig

endin

</CsInstruments>
<CsScore>
;sine wave.
f 1 0 16384 10 1

i 1 0 30
e

</CsScore>
</CsoundSynthesizer>

See also

MIDI input and Initialization

Credits

Author: Barry L. Vercoe - Mike Berry
MIT - Mills
May 1997