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select

Select sample value from three based on audio-rate comparisons of two signals.

Syntax

aout select a1, a2, aless, aequal, amore

Performance

a1, a2 -- audio signals that are compared.

aless -- audio signal selected if a1[n]<a2[n]

aequal -- audio signal selected if a1[n]=a2[n]

asig -- audio signal selected if a1[n]>a2[n]

The comparison is made sample by sample.

Examples

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

Example of the select opcode.
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<CsoundSynthesizer>

<CsInstruments>
nchnls = 3
0dbfs = 1

instr 1
  a1 oscil 0.8, 440
  a2 oscil 0.6, 880
  az = 0
  alow line -1, p3, -1
  ahigh line 1, p3, 1
  aout  select a1,a2,alow,az,ahigh
  outch 1, a1, 2,a2, 3,aout
  endin
</CsInstruments>

<CsScore>
i1 0 5
e
</CsScore>

</CsoundSynthesizer>

See also

Miscellaneous opcodes

Credits

By: John ffitch 2016

New in vesion 6.09