The Alternative Csound Reference Manual
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# outiat

outiat -- Sends MIDI aftertouch messages at i-rate.

## Description

Sends MIDI aftertouch messages at i-rate.

## Syntax

outiat ichn, ivalue, imin, imax

## Initialization

ichn -- MIDI channel number (1-16)

ivalue -- floating point value

imin -- minimum floating point value (converted in MIDI integer value 0)

imax -- maximum floating point value (converted in MIDI integer value 127 (7 bit))

## Performance

outiat (i-rate aftertouch output) sends aftertouch messages. It works only with MIDI instruments which recognize them. It can drive a different value of a parameter for each note currently active.

It can scale an i-value floating-point argument according to the imin and imax values. For example, set imin = 1.0 and imax = 2.0. When the ivalue argument receives a 2.0 value, the opcode will send a 127 value to the MIDI OUT device. When the ivalue argument receives a 1.0 value, it will send a 0 value. i-rate opcodes send their message once during instrument initialization.

## See Also

outic14, outic, outipat, outipb, outipc, outkat, outkc14, outkc, outkpat, outkpb, outkpc

## Credits

Author: Gabriel Maldonado
Italy

New in Csound version 3.47

Thanks goes to Rasmus Ekman for pointing out the correct MIDI channel and controller number ranges.

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