dx7.lib

Yamaha DX7 emulation library. Its official prefix is dx.

References

(dx.)dx7_ampf

DX7 amplitude conversion function. 3 versions of this function are available:

  • dx7_amp_bpf: BPF version (same as in the CSOUND toolkit)
  • dx7_amp_func: estimated mathematical equivalent of dx7_amp_bpf
  • dx7_ampf: default (sugar for dx7_amp_func)

Usage:

dx7AmpPreset : dx7_ampf_bpf : _

Where:

  • dx7AmpPreset: DX7 amplitude value (0-99)

(dx.)dx7_egraterisef

DX7 envelope generator rise conversion function. 3 versions of this function are available:

  • dx7_egraterise_bpf: BPF version (same as in the CSOUND toolkit)
  • dx7_egraterise_func: estimated mathematical equivalent of dx7_egraterise_bpf
  • dx7_egraterisef: default (sugar for dx7_egraterise_func)

Usage:

dx7envelopeRise : dx7_egraterisef : _

Where:

  • dx7envelopeRise: DX7 envelope rise value (0-99)

(dx.)dx7_egraterisepercf

DX7 envelope generator percussive rise conversion function. 3 versions of this function are available:

  • dx7_egrateriseperc_bpf: BPF version (same as in the CSOUND toolkit)
  • dx7_egrateriseperc_func: estimated mathematical equivalent of dx7_egrateriseperc_bpf
  • dx7_egraterisepercf: default (sugar for dx7_egrateriseperc_func)

Usage:

dx7envelopePercRise : dx7_egraterisepercf : _

Where:

  • dx7envelopePercRise: DX7 envelope percussive rise value (0-99)

(dx.)dx7_egratedecayf

DX7 envelope generator decay conversion function. 3 versions of this function are available:

  • dx7_egratedecay_bpf: BPF version (same as in the CSOUND toolkit)
  • dx7_egratedecay_func: estimated mathematical equivalent of dx7_egratedecay_bpf
  • dx7_egratedecayf: default (sugar for dx7_egratedecay_func)

Usage:

dx7envelopeDecay : dx7_egratedecayf : _

Where:

  • dx7envelopeDecay: DX7 envelope decay value (0-99)

(dx.)dx7_egratedecaypercf

DX7 envelope generator percussive decay conversion function. 3 versions of this function are available:

  • dx7_egratedecayperc_bpf: BPF version (same as in the CSOUND toolkit)
  • dx7_egratedecayperc_func: estimated mathematical equivalent of dx7_egratedecayperc_bpf
  • dx7_egratedecaypercf: default (sugar for dx7_egratedecayperc_func)

Usage:

dx7envelopePercDecay : dx7_egratedecaypercf : _

Where:

  • dx7envelopePercDecay: DX7 envelope decay value (0-99)

(dx.)dx7_eglv2peakf

DX7 envelope level to peak conversion function. 3 versions of this function are available:

  • dx7_eglv2peak_bpf: BPF version (same as in the CSOUND toolkit)
  • dx7_eglv2peak_func: estimated mathematical equivalent of dx7_eglv2peak_bpf
  • dx7_eglv2peakf: default (sugar for dx7_eglv2peak_func)

Usage:

dx7Level : dx7_eglv2peakf : _

Where:

  • dx7Level: DX7 level value (0-99)

(dx.)dx7_velsensf

DX7 velocity sensitivity conversion function.

Usage:

dx7Velocity  : dx7_velsensf : _

Where:

  • dx7Velocity: DX7 level value (0-8)

(dx.)dx7_fdbkscalef

DX7 feedback scaling conversion function.

Usage:

dx7Feedback  : dx7_fdbkscalef : _

Where:

  • dx7Feedback: DX7 feedback value

(dx.)dx7_op

DX7 Operator. Implements a phase-modulable sine wave oscillator connected to a DX7 envelope generator.

Usage:

dx7_op(freq,phaseMod,outLev,R1,R2,R3,R4,L1,L2,L3,L4,keyVel,rateScale,type,gain,gate) : _

Where:

  • freq: frequency of the oscillator
  • phaseMod: phase deviation (-1 - 1)
  • outLev: preset output level (0-99)
  • R1: preset envelope rate 1 (0-99)
  • R2: preset envelope rate 2 (0-99)
  • R3: preset envelope rate 3 (0-99)
  • R4: preset envelope rate 4 (0-99)
  • L1: preset envelope level 1 (0-99)
  • L2: preset envelope level 2 (0-99)
  • L3: preset envelope level 3 (0-99)
  • L4: preset envelope level 4 (0-99)
  • keyVel: preset key velocity sensitivity (0-99)
  • rateScale: preset envelope rate scale
  • type: preset operator type
  • gain: general gain
  • gate: trigger signal

(dx.)dx7_algo

DX7 algorithms. Implements the 32 DX7 algorithms (a quick Google search should give your more details on this). Each algorithm uses 6 operators.

Usage:

dx7_algo(algN,egR1,egR2,egR3,egR4,egL1,egL2,egL3,egL4,outLevel,keyVelSens,ampModSens,opMode,opFreq,opDetune,opRateScale,feedback,lfoDelay,lfoDepth,lfoSpeed,freq,gain,gate) : _

Where:

  • algN: algorithm number (0-31, should be an int...)
  • egR1: preset envelope rates 1 (a funVal1 function)
  • egR2: preset envelope rates 2 (a funVal1 function)
  • egR3: preset envelope rates 3 (a funVal1 function)
  • egR4: preset envelope rates 4 (a funVal1 function)
  • egL1: preset envelope levels 1 (a funVal1 function)
  • egL2: preset envelope levels 2 (a funVal1 function)
  • egL3: preset envelope levels 3 (a funVal1 function)
  • egL4: preset envelope levels 4 (a funVal1 function)
  • outLev: preset output levels (a funVal1 function)
  • keyVel: preset key velocity sensitivities (a funVal1 function)
  • ampModSens: preset amplitude sensitivities (a funVal1 function)
  • opMode: preset operator mode (a funVal2 function)
  • opFreq: preset operator frequencies (a funVal1 function)
  • opDetune: preset operator detuning (a funVal1 function)
  • opRateScale: preset operator rate scale (a funVal1 function)
  • feedback: preset operator feedback (a funVal1 function)
  • lfoDelay: preset LFO delay (a funVal1 function)
  • lfoDepth: preset LFO depth (a funVal1 function)
  • lfoSpeed: preset LFO speed (a funVal1 function)
  • freq: fundamental frequency
  • gain: general gain
  • gate: trigger signal

funVal1 : is a function of the form \(id).(val) taking an id in [0,5] and returning a value in[0,99], to be used to generate 6 values.

funVal2 : is a function of the form \(id).(val) taking an id in [0,5] and returning a value in[0,1], to be used to generate 6 values.

(dx.)dx7_ui

Generic DX7 function where all parameters are controllable using UI elements, so that the user can create their own DX7 patches. All algorithms are supported and can be chosen using the algorithm nentry. This function is MIDI-compatible.

Usage

dx7_ui : _