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Introduction

• The most important basics!
• Interactive Audio
• Audio Sources and Audio Sinks
• Design Goals

Hardware

• Audio Output and Input with Microcontrollers
• External I2S DACs
• External TDM DACs
• External ADCs and Microphones
• Configurable Audio Boards and Modules

Basic Functionality

• Examples
• DSP Libraries
• The Audio Player Class
• Communication
• Performance
• It's not working!
• Optional Libraries

Transforming Audio Data

• Volume Control and Panning
• Codecs: Encoding and Decoding of Audio
• Propagation of Audio Format Changes
• Resampling
• Converting the Format
• Splitting and Merging/Mixing Audio
• Audio Effects
• Pitch Shifting
• Using Filters

Analyzing Audio

• Determining the Volume
• FFT

Advanced Topics

• Audio Metadata
• MemoryStream: Converting a File to Flash Memory
• Vector, Allocators & PSRAM
• Writing your Custom Input&Output Class
• Multicore Processing

Machine Learning

• Tensorflow-Lite-Audio-Output
• TensorFlow-Lite-MicroSpeech

Supported Architectures

• Working with PlatformIO
• Using the Framework w/o Arduino
• Building and Running an Audio Sketch on the Desktop
• Using AudioTools in Jupyterlab
• Supported Scenarios
• Supported Microcontrollers
• Project Status