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@@ -0,0 +1,165 @@ +This is a phase modulating synthesizer using jack + +Dependencies: +- Jack Audio Connection Kit +- Probably stuff I forgot. + +Try starting the synth and type "help". +And ignore the debugging output. + +Format for the .prog files: + + oscillators=<number of oscillators> + + <PARAM>=<value> + <PARAM>=<value> + ... + + controllers: + <PARAM>=<affect value> + ... + + defaults: + cont[<CTRL NUMBER>]=<default value> + ... + + velocity: + <PARAM*>=<velocity expression> + ... + +where <PARAM> is one of: +mod[x][y]: controls how oscillator #x modulates oscillator #y. +out[x]: output level of oscillator #x. +waveform[x]: waveform number of oscillator #x, or "440:filename.wav", where 440 denotes + the frequency of the sound in the file. +sync[x]: 0 or 1, whether this oscillator #x should be reset on every sync point or not +factor[x]: frequency factor of this osc +trem[x]: tremolo depth +trem_lfo[x]: which LFO oscillator to use for tremolo +vib[x]: +vib_lfo[x]: same for vibrato +attack[x] +decay[x] +sustain[x] +release[x]: time (in seconds) for the A/D/S/R phases of the envelope +hold[x]: 0 or 1. if set, the release phase is only entered upon NOTE OFF. if unset, release + is entered immediately after the sustain phsae. +ksl[x]/ksr[x]: key scale level/rate: affect amplitude or ADSR-phase-length depending on pitch + +filter. this filter is applied to the final mix of all oscillators. + enabled: enable the high frequency cutoff filter. + env_amount: how much the filter gets affected by the filter envelope + attack + decay + sustain + release + hold + offset: cutoff frequency factor of the filter if unaffected by envelope + resonance: filter resonance, 0 .. 1 + trem + trem_lfo + +sync_factor: frequency of the "oscillator reset" signa; +freq. + env_amount + attack + decay + sustain + release + hold + +<PARAM*> may only be "mod", "out", "filter env res off", "freq env". + +<value> may be a simple expression containing numerical calculations: +Examples: 1/2, 4, 5.4*9/2 + + +<affect value> is: + ctrl[<MIDI CTRL NUMBER>]*<value> + ctrl[<OTHER MIDI CTRL NUMBER>]*<value> + ... + +<velocity expression> is: + vel*<value> + <value>, where "vel" is a reserved keyword + +the "controllers:", "defaults:" and "velocity:" sections are optional. + + +lfo number can also be "snh", for sample and hold of random data. + + +supported waveforms: + + + _ _ +0 sine / \ / \ + \ _ / \ _ / + + .-''-. .-''-. +1 abs-sine / \ / \ + / \/ \ + _ _ +2 half-sine / \_____/ \_____ + + .--- .--- +3 pulse-sine / | / | + / |____/ |____ + + ---. ---. +4 inverted | \ | \ + pulse-sine ____| \____| \ + + +5 noise + + +100 to 300: sawtooth with variable rising/falling phases + + . | . | +100: normal sawtooth . ' | . ' | + . ' |. ' | + . . +in between . ' \ . ' \ + . ' \. ' \ + + / \ / \ +200: triangle / \ / \ + \ / \ / + \ / \ / + . . +in between / ' . / ' . + / ' ./ ' . + + | . | . +300: inverted sawtooth | ' . | ' . + | ' .| ' . + + + +400 to 600: pulse with variable high/low ratio + + 1 +400 DC 0 _ _ _ _ _ _ + -1 ____________________ + + 1 ___ ___ +in between 0 _ _ _ _ _ _ + -1 _______ _______ + + 1 _____ _____ +500 square 0 _ _ _ _ _ _ + -1 _____ _____ + + 1 _______ _______ +in between 0 _ _ _ _ _ _ + -1 ___ ___ + + 1 ____________________ +600 DC 0 _ _ _ _ _ _ + -1 + + +about the note compiler: this generates sourcecode for a certain .prog file and +generates a .so shared object which then can be loaded. It's supposed to improve +the performance. + + + |