Espressif音频开发框架

Espressif音频开发框架

Espressif Audio Development Framework

Espressif Systems Audio Development Framework (ESP-ADF) is the official audio development framework for the ESP32 and ESP32-S2 SoCs.

Overview

ESP-ADF supports development of audio applications for the Espressif Systems SoCs 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, FLAC, WAV, OGG, OPUS, AMR, TS, EQ, Downmixer, Sonic, ALC, G.711 and etc.Play music from sources: HTTP, HLS (HTTP Live Streaming), SPIFFS, SDCARD, A2DP-Source, A2DP-Sink, HFP and etc.Integrate Media services such as: DLNA, VoIP and etc.Internet RadioVoice recognition and integration with online services such as Alexa, DuerOS and etc.

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

Developing with the ESP-ADF

Quick Start

You need one of ESP-IDF versions described in ESP-ADF Releases, one of audio boards below and headphones.

Note: If this is your first exposure to ESP-IDF, proceed to Getting Started documentation specific for ESP32 or ESP32-S2 SoCs.

Click on one of audio boards shown below to set up and start using ESP-ADF.

Hardware

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

ESP32-LyraT

An open-source development board, supporting Espressif Systems’ ADF and featuring voice wake-up, a wake-up button and an audio player. Designed for smart speakers and smart-home applications.

Getting Started with ESP32-LyraTESP32-LyraT V4.3 Hardware ReferenceESP32-LyraT Schematic (PDF)

ESP32-LyraTD-MSC

Designed for smart speakers and AI applications. Supports Acoustic Echo Cancellation (AEC), Automatic Speech Recognition (ASR), Wake-up Interrupt and Voice Interaction.

Getting Started with ESP32-LyraTD-MSCESP32-LyraTD-MSC Schematic Lower Board A (PDF) , Upper Board B (PDF)

ESP32-LyraT-Mini

An open-source mono development board. Designed for connected smart speakers and smart-home audio applications.

Getting Started with ESP32-LyraT-MiniESP32-LyraT-Mini Schematic (PDF)

ESP32-S2-Kaluga-1 Kit (ESP-LyraT-8311A)

The ESP32-S2-Kaluga-1 multimedia kit is based on ESP32-S2 and features several extensions including ESP-LyraT-8311A audio board (below) as well as camera, LCD, and touch pad boards.

Getting Started with ESP32-S2-Kaluga-1 KitESP32-S2-Kaluga-1 Schematic (PDF)

ESP32-Korvo-DU1906

ESP32-Korvo-DU1906 is an Espressif audio development board with an ESP32-DU1906 module as its core, integrating Wi-Fi, Bluetooth, Bluetooth Low Energy RF and voice/speech signal processing functions.

ESP32-Korvo-DU1906 User GuideESP32-Korvo-DU1906 Schematic (PDF)

Examples

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

Resources

Documentation for the latest version of 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.

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