M5Stack ASR Module w/ Microphone & Speaker (CI1302)
Optimize AI voice control with the advanced CI1302 chip
Capture clear audio using an integrated analog microphone
Enhance command accuracy via AEC echo cancellation
Enjoy versatile use with preloaded and customizable commands
Communicate seamlessly through UART serial access
The M5Stack ASR Module w/ Microphone & Speaker (CI1302) is an advanced AI voice module utilizing the CI1302 chip. It features a microphone for precise audio capture and a built-in speaker for superior audio output. The module supports mid-session voice interruption, allowing for flexible command recognition and quick response. Integrated Echo Cancellation enhances recognition accuracy by eliminating echoes and noise. Preloaded with 53 English command words, it supports activation via UART commands or voice triggers. Customization of recognition words is possible in multiple languages, making it suitable for various applications including AI assistants, smart homes, and robotics.
1x M5Stack ASR Module w/ Microphone & Speaker (CI1302)
54.0 x 54.0 x 13.1 mm
AI voice chip: CI1302
Supports up to 300 command words; 53 preset commands from the factory
Wake-up method: Voice keyword or UART serial communication
Microphone: Analog microphone, model GMI4527P-2C-32db
Speaker: Chamber speaker 8Ω@0.8W for wake-up feedback output
Communication: UART serial communication, default baud rate 115200@8N1
Noise reduction: AEC echo cancellation
Wake-up range: Ambient noise 40dB up to 6.4m, ambient noise 54dB up to 1.8m
