select
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select

select — Select sample value based on audio-rate comparisons.

Description

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 961. Example of the select opcode.

See the sections Real-time Audio and Command Line Flags for more information on using command line flags.

<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

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