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fluidNote

Plays a note on a channel in a fluidSynth engine.

Syntax

fluidNote ienginenum, ichannelnum, imidikey, imidivel

Plugin opcode in fluidOpcodes. This opcode is part of the plugin repository and has to be installed separately. The plugin repository can be found here: https://github.com/csound/plugins

Initialization

ienginenum -- engine number assigned from fluidEngine

ichannelnum -- which channel number to play a note on in the given fluidEngine

imidikey -- MIDI key for note (0-127)

imidivel -- MIDI velocity for note (0-127)

Examples

Here is an example of the fluidNote opcode. It uses the file fluidNote.csd and 19Trumpet.sf2.

Example of the fluidNote opcode.
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<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
-odac   -+rtmidi=virtual  -M0    ;;;realtime audio out and realtime midi in
;-iadc    ;;;uncomment -iadc if realtime audio input is needed too
; For Non-realtime ouput leave only the line below:
;-o fluidNote.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

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

giengine fluidEngine
; soundfont path to manual/examples
isfnum   fluidLoad "19Trumpet.sf2", giengine, 1
         fluidProgramSelect giengine, 1, isfnum, 0, 56

instr 1

        mididefault   60, p3
        midinoteonkey p4, p5
ikey    init p4
ivel    init p5
        fluidNote giengine, 1, ikey, ivel

endin

instr 99

imvol  init 7
asigl, asigr fluidOut giengine
       outs asigl*imvol, asigr*imvol

endin
</CsInstruments>
<CsScore>

i 1 0 2 60 100 ;play one note from score and...
i 99 0 60      ;play virtual keyboard for 60 sec.
e

</CsScore>
</CsoundSynthesizer>

The output should include a line like this:

SoundFont:   1  Bank:   0  Preset:  56  Trumpet metallic

See also

Soundfonts

More information on soundfonts is in the Floss Manuals: https://flossmanual.csound.com/midi/reading-midi-files

For other information on soundfonts look in the Wikipedia: http://en.wikipedia.org/wiki/Soundfont

Credits

Michael Gogins (gogins at pipeline dot com), Steven Yi. Thanks to Peter Hanappe for Fluidsynth.