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heavylib
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Library of Heavy compatible abstractions
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heavylib
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# heavylib Library of [heavy](https://github.com/Wasted-Audio/hvcc) compatible abstractions. See the -help.pd patches for more information on each object. ## Synthesis --- ### Band-limited oscillators `[hv.osc~ saw]` - Band-limited PolyBlep sawtooth signal generator. [_more info_](https://github.com/cfloisand/pd-polyblep/blob/master/Source/polyblep~.c) `[hv.osc~ sine]` - Same as Pd `[osc~]` added for convenience. `[hv.osc~ square]` - Band-limited PolyBlep square signal generator. ### LFOs These precision LFOs have control rate inlets and outlet, however they sample from signal rate oscillators and require DSP to be on. They give a float output between `0.0` - `1.0`. Because we `[snapshot]` every 1ms we get aliasing when we enter audio range frequencies. `[hv.lfo sine]` - Control `[snapshot~]` of slow `[osc~]`. `[hv.lfo ramp]` - Control `[snapshot~]` `[phasor~]`. `[hv.lfo saw]` - Control rate sample and inverted `[phasor~]`. `[hv.lfo square]` - Amplified and clipped `[osc~]`, has phase offset. `[hv.lfo pulse]` - Band-limited PolyBlep square signal generator, taken from `[hv.osc~ square]`, instead of phase offset we get pulse width modulation. ### Noise `[hv.pinknoise~]` - Cheapish pinknoise generator. [_more info_](http://www.firstpr.com.au/dsp/pink-noise/) ### Envelopes `[hv.vline~]` - Envelope generator, replacement for Pd's [vline~] object. ## Processing --- ### Dynamics `[hv.compressor~]` - Compressor unit with Threshold and Ratio parameters. (Attack/Release is fixed at 40ms) `[hv.compressor2~]` - Stereo version of `[hv.compressor~]`. `[hv.envfollow~]` - Cheap envelope follower. ### Effects `[hv.comb~]` - Comb filter effect unit. `[hv.flanger~]` - Flange effect unit. `[hv.flanger2~]` - Stereo version of `[hv.flanger~]`. `[hv.freqshift~]` - Frequency shifter effect unit. `[hv.reverb~]` - Simple reverb unit. ### Filtering The default `[hv.filter~]` abstractions use control rate inputs and coefficient calculation. There are `[hv.filter.sig~]` alternatives that allow signal input. `[hv.filter~ allpass]` - Allpass filter with Q control (Biquad). `[hv.filter~ lowpass]` - Lowpass filter with Q control (Biquad). `[hv.filter~ highpass]` - Highpass filter with Q control (Biquad). `[hv.filter~ bandpass1]` - Bandpass filter with Q control, peak gain = Q (Biquad). `[hv.filter~ bandpass2]` - Bandpass filter with Q control, constant 0dB peak gain (Biquad). `[hv.filter~ notch]` - Notch filter with Q control (Biquad) `[hv.filter.gain~ peak]` - Peaking filter with Frequency, Q and Gain parameters (Biquad). `[hv.filter.gain~ lowshelf]` - Low shelving filter with Frequency, Q and Gain parameters (Biquad). `[hv.filter.gain~ highshelf]` - High shelving filter with Frequency, Q and Gain parameters (Biquad). `[hv.lop~]` - Lowpass variant with signal controlled cutoff (rpole~). `[hv.hip~]` - Highpass variant with signal controlled cutoff (rpole~). ## Math Operations --- `[hv.exp~]` - Signal-rate exponential ( exp ), alternative implementation. `[hv.eq~]` - Signal-rate equal ( == ). `[hv.neq~]` - Signal-rate not equal ( != ). `[hv.gt~]` - Signal-rate greater than ( > ). `[hv.gte~]` - Signal-rate greater than or equal to ( >= ). `[hv.log~]` - Signal-rate natural logarithm ( ln ). `[hv.lt~]` - Signal-rate less than ( < ). `[hv.lte~]` - Signal-rate less than or equal to ( <= ). `[hv.multiplex~]` - Mix between two input signals based on a comparator. `[hv.pow~]` - Signal-rate exponent ( x ^ y ), alternative implementation. `[hv.tanh~]` - Static non-linear waveshaper. ## Logic --- `[hv.dispatch]` - Utility for organising parameter interfaces to other abstractions. `[hv.drunk]` - Randomised walk number generator.
