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The Scarlet Devil Mansion :: CL-MeltySynth

CL-MeltySynth is a SoundFont MIDI synthesizer library written entirely in Common Lisp. This is a port of the excellent MeltySynth by Sinshu, expanded with new features. There is also my equivalent library for Crystal, Haematite.

Versions of "midi123" prior to v2.0 were written in Common Lisp and used CL-MeltySynth.

Source Code

The original MeltySynth

Haematite

Example videos

Warcraft'2 s "Human 1" by Glenn Stafford

Rise of The Triad's "Spray" by Lee Jackson (CL-MeltySynth v2.0.0)

Doom E1M1 "At Doom’s Gate" by Bobby Prince (CL-MeltySynth v1.0.0)

Features

Wave synthesis and Sound

64-bit internal audio engine
Choice of linear or cubic interpolation
Loads SoundFont files
Waveform and Envelope generators
Low-pass filter
Vibrato and Modulation LFOs

MIDI processing

Note on/off
Bank/patch selection with optional remapping (remaps unknown presets to bank 0/128)
Modulation
Volume control and Panning
Expression
Hold pedal
Pitch bend
Tuning
NRPN support

Effects

Multiple reverb choices, including a port of Zita-Rev1, with controllable parameters
Chorus effect
Stereo enhancer effect
Reverb, Chorus, and Stereo Enhancer can all be enabled/disabled individually

Other things

Standard MIDI file support
RIFF-based MIDI file support (RMI, only the MIDI data is loaded)
Loop extension support
Performance optimizations

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