Welcome to the spessasynth_lib documentation!

You've reached the central documentation for the spessasynth_lib library, a powerful SF2/DLS/MIDI library for web browsers.

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

spessasynth_lib documentation

• Getting started with spessasynth_lib
• WorkletSynthesizer - Responsible for generating sound using AudioWorklets.
• WorkerSynthesizer - Responsible for generating sound using Web Workers.
• Sequencer - Responsible for playing the parsed MIDI sequence.
• Writing Wave files - How to write WAV files from AudioBuffer.

Extra info

• MIDI Implementation - The MIDI Implementation chart for spessasynth's synthesizer. This describes all the features of the synthesis engine.
• spessasynth_core documentation - The documentation of the underlying spessasynth_core library.
• 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.