mirror of
https://github.com/cookiengineer/audacity
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44 lines
1.6 KiB
Plaintext
44 lines
1.6 KiB
Plaintext
(INSTRFLUTEALL-ALG
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;; parameters are:
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;; freq_env -- frequency modulation, aftertouch 128
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;; breath_env -- amplitude envelope, aftertouch 128
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;; vibrato_freq -- vibrato frequency, ModFreq 11
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;; vibrato_gain -- vibrato gain, ModWheel 1
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;; jet_delay -- jet delay, 2
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;; noise -- noise, Noise 4
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;;
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(NAME "flute_all")
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(ARGUMENTS ("double" "freq") ("sound_type" "breath_env") ("sound_type" "freq_env")
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("double" "vibrato_freq") ("double" "vibrato_gain")
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("sound_type" "jet_delay") ("sound_type" "noise") ("rate_type" "sr"))
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;; use a constant rate of 1.0 because it will actually be conrolled
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;; by breath_env
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(STATE ("struct instr *" "myflute" "initInstrument(FLUTE, round(sr));
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noteOn(susp->myflute, freq, 1.0);
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controlChange(susp->myflute, 11, FLUTE_CONTROL_CHANGE_CONST * vibrato_freq);
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controlChange(susp->myflute, 1, FLUTE_CONTROL_CHANGE_CONST * vibrato_gain);")
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("double" "frequency" "freq"))
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(START (min breath_env))
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(MATCHED-SAMPLE-RATE freq_env breath_env jet_delay noise)
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(ALWAYS-SCALE freq_env breath_env jet_delay noise)
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(CONSTANT "frequency")
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(SAMPLE-RATE "sr")
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(TERMINATE (min breath_env))
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(INNER-LOOP "
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controlChange(myflute, 128, FLUTE_CONTROL_CHANGE_CONST * breath_env);
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controlChange(myflute, 2, FLUTE_CONTROL_CHANGE_CONST * jet_delay);
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controlChange(myflute, 4, FLUTE_CONTROL_CHANGE_CONST * noise);
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setFrequency(myflute, frequency + freq_env);
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output = (sample_type) tick(myflute)")
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(SUPPORT-HEADER "
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#define FLUTE_CONTROL_CHANGE_CONST 128
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")
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(SUPPORT-FUNCTIONS "
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#include \"instr.h\"
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")
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(FINALIZATION "
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deleteInstrument(susp->myflute);
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")
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)
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