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https://github.com/cookiengineer/audacity
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46 lines
2.1 KiB
Plaintext
46 lines
2.1 KiB
Plaintext
(INSTRCLAR-COMPLETE-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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;; reed_stiffness -- reed stiffness, ReedStiff 2
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;; noise -- noise, Noise 4
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;;
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(NAME "clarinet_all")
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(ARGUMENTS ("double" "freq") ("sound_type" "breath_env")
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("sound_type" "freq_env")
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("double" "vibrato_freq") ("double" "vibrato_gain")
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("sound_type" "reed_stiffness") ("sound_type" "noise_env")
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("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 *" "clar" "initInstrument(CLARINET, round(sr));
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noteOn(susp->clar, freq, 1.0);
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controlChange(susp->clar, 11, CLAR_CONTROL_CHANGE_CONST * vibrato_freq);
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controlChange(susp->clar, 1, CLAR_CONTROL_CHANGE_CONST * vibrato_gain);")
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("double" "frequency" "freq")
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("float" "breath_scale" "breath_env->scale * CLAR_CONTROL_CHANGE_CONST")
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("float" "reed_scale" "reed_stiffness->scale * CLAR_CONTROL_CHANGE_CONST")
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("float" "noise_scale" "noise_env->scale * CLAR_CONTROL_CHANGE_CONST"))
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(START (min breath_env))
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; matched doesn't help much because controlChange() is called in inner loop
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;(MATCHED-SAMPLE-RATE freq_env breath_env reed_stiffness noise_env)
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(ALWAYS-SCALE freq_env)
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(INTERNAL-SCALING breath_env reed_stiffness noise_env)
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(INLINE-INTERPOLATION no)
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(CONSTANT "frequency" "breath_scale" "reed_scale" "noise_scale")
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(SAMPLE-RATE "sr")
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(TERMINATE (min breath_env))
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(INNER-LOOP "controlChange(clar, 128, breath_scale * breath_env);
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controlChange(clar, 2, reed_scale * reed_stiffness);
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controlChange(clar, 4, noise_scale * noise_env);
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setFrequency(clar, frequency + freq_env);
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output = (sample_type) tick(clar)")
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(SUPPORT-HEADER "#define CLAR_CONTROL_CHANGE_CONST 128\n")
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(SUPPORT-FUNCTIONS "#include \"instr.h\"\n#include \"upsample.h\"\n")
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(FINALIZATION " deleteInstrument(susp->clar);\n")
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)
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