fluidOut — Outputs sound from a given fluidEngine
aleft -- Left channel audio output.
aright -- Right channel audio output.
Invoke fluidOut in an instrument definition numbered higher than any fluidcontrol instrument definitions. All SoundFonts used in the fluidEngine numbered ienginenum send their audio output to this one opcode. Send a note with an indefinite duration to this instrument to turn the SoundFonts on for as long as required.
Here is an example of the fluidOut opcode with two fluidOuts. It uses the file fluidOut.csd, 01hpschd.sf2 and 22Bassoon.sf2.
Example 293. Example of the fluidOut opcode.
See the sections Real-time Audio and Command Line Flags for more information on using command line flags.
<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 fluidOut.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> sr = 44100 ksmps = 32 nchnls = 2 0dbfs = 1 giengine1 fluidEngine ; soundfont path to manual/examples isfnum1 fluidLoad "01hpschd.sf2", giengine1, 1 fluidProgramSelect giengine1, 1, isfnum1, 0, 0 giengine2 fluidEngine ; soundfont path to manual/examples isfnum2 fluidLoad "22Bassoon.sf2", giengine2, 1 fluidProgramSelect giengine2, 1, isfnum2, 0, 70 instr 1 mididefault 60, p3 midinoteonkey p4, p5 ikey init p4 ivel init p5 fluidNote giengine1, 1, ikey, ivel endin instr 2 mididefault 60, p3 midinoteonkey p4, p5 ikey init p4 ivel init p5 fluidNote giengine2, 1, ikey, ivel endin instr 98 imvol init 7 asigl, asigr fluidOut giengine1 outs asigl*imvol, asigr*imvol endin instr 99 imvol init 4 asigl, asigr fluidOut giengine2 ;add a stereo flanger adelL linseg 0, p3*.5, 0.02, p3*.5, 0 ;max delay time =20ms adelR linseg 0.02, p3*.5, 0, p3*.5, 0.02 ;max delay time =20ms asigL flanger asigl, adelL, .6 asigR flanger asigr, adelR, .6 outs asigL*imvol, asigR*imvol endin </CsInstruments> <CsScore> i 1 0 2 60 100 ;play one note of instr 1 i 2 2 2 60 100 ;play another note of instr 2 and... i 98 0 60 ;play virtual keyboard for 60 sec. i 99 0 60 e </CsScore> </CsoundSynthesizer>
The output should include lines like these:
chnl 1 using instr 1
chnl 2 using instr 2
SoundFont: 1 Bank: 0 Preset: 0 Harpsichord I-8
SoundFont: 1 Bank: 0 Preset: 70 Ethan Bassoon mono
fluidEngine, fluidNote, fluidLoad
More information on soundfonts in the Floss Manuals: http://en.flossmanuals.net/csound/ch048_d-reading-midi-files
Other information on soundfonts on Wikipedia: http://en.wikipedia.org/wiki/Soundfont
Michael Gogins (gogins at pipeline dot com), Steven Yi. Thanks to Peter Hanappe for Fluidsynth.
New in Csound5.00