pchtom
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## pchtom

pchtom — Convert pch to midi note number

## Description

Plugin opcode in emugens.

Convert pch to midi note number. pch representation has the form Octave.pitchclass, pitchclass being a number between 00 and 12.

                    pch        midi    note name
                    ----------------------------
                    8.09       69      4A
                    8.00       60      4C

## Syntax

    imidi pchtom ipch

    kmidi pchtom kpch

## Performance

kpch / ipch -- pitch represented as Octave.pitchclass

kmidi / imidi -- midi note number

| Note
Use pchmidinn to perform the opposite operation of this opcode.

## Examples

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

Example 741. Example of the pchtom opcode.

    <CsoundSynthesizer>
    <CsOptions>
    </CsOptions>
    <CsInstruments>

    sr = 44100
    ksmps = 128
    nchnls = 2
    0dbfs = 1.0

    ; Show some conversions, both at i- and at k-time

    instr 1
      imidi = pchtom(8.09)
      print imidi

      kidx init 0

      kpch = 8 + kidx / 100
      kmidi = pchtom(kpch)
      kidx += 1
      printf "kpch: %f    kmidi: %f\n", kidx+1, kpch, kmidi

      if kidx >= 12 then
        turnoff
      endif

    endin

    </CsInstruments>
    <CsScore>
    i 1 0 1

    </CsScore>
    </CsoundSynthesizer>

## See Also

pchoct, pchmidinn, cpsmidinn, ftom, mton

## Credits

By: Eduardo Moguillansky 2017

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