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Atomic Echo Base Enables Voice Recognition for M5 Atom Series

Dec 27, 2024 — by Giorgio Mendoza 242 views
The Atomic Echo Base is a voice recognition module designed for compatibility with the M5 Atom series. It combines the ES8311 audio decoder, a MEMS microphone, and a NS4150B power amplifier to support audio processing in interactive applications.

The ES8311 audio codec, which supports 24-bit resolution and sample rates from 16KHz to 64KHz via I2S communication, provides functionality for both voice recognition and audio playback.

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The MEMS microphone ensures accurate audio input for speech recognition with its high signal-to-noise ratio, while the NS4150B amplifier powers a built-in speaker for audio output.

The module allows full-duplex communication, supporting simultaneous voice transmission and reception for applications such as speech recognition, wake-up commands, and audio playback.


Atomic Echo Base
(click image to enlarge)

The Atomic Echo Base is compatible with various M5 Atom devices, including the ATOMS3R development kit and ATOMs3R-CAM, and supports development platforms such as UIFlow 1.0, UIFlow 2.0, and Arduino IDE.

Further information

The module is priced at $5.95 and does not include M5 Atom series development boards.

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