Espressif Audio Development Framework

Espressif Systems Audio Development Framework (ESP-ADF) is the official audio development framework for the ESP32 chip.

Overview

ESP-ADF supports development of audio applications for the Espressif Systems ESP32 chip in the most comprehensive way. With ESP-ADF, you can easily add features, develop audio applications from simple to complex:

• Music player or recorder supports audio formats such as MP3, AAC, WAV, OGG, AMR, TS, SPEEX ...
• Play music from sources: HTTP, HLS(HTTP Live Streaming), SDCARD, Bluetooth A2DP/HFP
• Integrate Media services such as: DLNA, WeChat ...
• Internet Radio
• Voice recognition and integration with online services such as Alexa, DuerOS, ...

As a general, the ESP-ADF features will be supported as shown below:

Developing with the ESP-ADF

Quick Start

You need the ESP32 LyraT board and headphone connected, make sure you clone the project recursive:

git clone --recursive https://github.com/espressif/esp-adf.git 
cd esp-adf/examples/get-started/play_mp3
make menuconfig
make flash monitor

If you clone project without --recursive flag, please goto the esp-adf directory and run command git submodule update --init before doing anything.

Hardware

Espressif Systems has released a number of support boards for ESP-ADF to develop ESP32 audio applications, including:

ESP32-Lyrat

ESP32 LyraT Getting Started Guide

ESP-IDF

ESP-ADF is based on the application layer of ESP-IDF (Espressif IoT Development Framework). The git clone command, described under Quick Start above, automatically downloads specific version of the ESP-IDF alongside with ESP-ADF. Please take a look at Get Started

Examples

Check folder examples that contains sample applications to demonstrate API features of the ESP-ADF.

Resources

• Documentation for the latest version: https://docs.espressif.com/projects/esp-adf/. This documentation is built from the docs directory of this repository.

• The esp32.com forum is a place to ask questions and find community resources. On the forum there is a section dedicated to ESP-ADF users.

• Check the Issues section on github if you find a bug or have a feature request. Please check existing Issues before opening a new one.

• If you're interested in contributing to ESP-ADF, please check the Contributions Guide.