ESP-MIDI Component

[中文]

Note

This document is automatically translated using AI. Please excuse any detailed errors. The official English version is still in progress.

Overview

ESP-MIDI is a MIDI (Musical Instrument Digital Interface) software library launched by Espressif Systems, providing efficient MIDI file parsing and real-time audio synthesis capabilities. ESP-MIDI supports SoundFont sound libraries and custom audio libraries, capable of outputting high-fidelity, distortion-free audio effects. Combining the characteristics of small MIDI file size and rich sound library resources, ESP-MIDI achieves a balance of excellent sound quality and high performance, providing developers with a comprehensive MIDI processing solution.

Related materials are as follows:

• Component registry: esp-midi component

• Example project: ESP-MIDI example project

FAQ

Q: How to load SoundFont files?

A: ESP-MIDI supports complete SoundFont 2 (SF2) file parsing and playback. You can load SF2 files through the sound library loading interface, or use a user-defined sound library.

Q: Does ESP-MIDI support real-time MIDI input?

A: Yes, ESP-MIDI supports real-time MIDI event encoding and decoding, including various MIDI event types such as note on/off, program change, control change, pitch bend, channel pressure, etc.

Q: How to control the playback speed?

A: ESP-MIDI supports BPM (Beats Per Minute) settings and speed changes, and supports dynamic adjustments. You can set and modify the playback speed through the API.

Q: How is audio output integrated?

A: ESP-MIDI provides a callback-based audio output interface, which can be flexibly integrated with different audio backends, such as ESP-ADF, ESP-Audio-Codec, etc.