Welcome to the spessasynth_core wiki!¶

You've reached the central documentation for the spessasynth_core library, a powerful SF2/DLS/MIDI TypeScript/JavaScript library.

If you're looking for the SpessaSynth web app, it can be found here.

Table of contents¶

• Getting started with spessasynth_core
• SpessaSynthProcessor - Responsible for generating sound.
• SpessaSynthSequencer - Responsible for playing MIDI sequences.
• Sound Banks - Responsible for parsing an SF2 file.
• MIDI parser - Responsible for parsing a MIDI file.
• Logging - How to control spessasynth_core's console output.
• Writing MIDI files - How to write MIDI and RMID files.
• Writing Wave files - How to write WAV files from PCM audio data.
• Converting between formats - How to convert between various file formats.
• MIDI Implementation - A MIDI Implementation chart for spessasynth's synthesizer. This describes all the features of the synthesis engine.

Extra Info¶

• SF2 RMIDI Extension Specification - The specification for the SF2 RMIDI format that spessasynth supports.
• Multi-Port files explained - Explanation of the Multi-Port MIDI feature.
• The DLS Conversion problem - The limits of the SF2 → DLS conversion.
• NPM Exports - a listing of all the NPM exports in the spessasynth_core NPM package.