ReSpeaker XMOS XVF3800 – AI-Powered 4-Mic Array

This 4-mic circular array powered by the XMOS XVF3800 delivers professional-grade voice capture in noisy environments. It supports 360° far-field pickup (up to 5 m), with AEC, AGC, DoA, VAD, beam forming, reverberation, and noise suppression, ensuring clear, precise voice recognition for advanced audio applications.

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A professional 4-mic circular array based on XMOS XVF3800, enabling clear target voice capture in noisy environments.

Features dual modes, 360° far-field voice pickup (up to 5m), AEC, AGC, DoA, VAD, reverberation, beam forming, and noise suppression.

Features

• XMOS XVF3800 Upgrade
  • Smarter voice processing for clearer voice capture—even in noisy environment.
• Advanced Audio Processing
  • Clear capture in tough environments—featuring Acoustic Echo Cancellation(AEC), multibeam forming, reverberation, direction of arrival(DoA) detection, dynamic noise suppression, 60dB Automatic Gain Control(AGC).
• 4-Microphone Circular Array
  • 360° far-field voice pickup, up to 5 meters, cuts through noise and echoes effortlessly.
• Plug-and-Play Simplicity
  • The Standard USB interface enables easy connection with any USB-enabled device - from SBCs like Raspberry Pi and NVIDIA Jetson to PCs running Windows, Linux, or macOS. No drivers or complex setup required.
• I2S Interface for MCU Integration
  • Direct I2S support allows seamless integration with MCU platforms like XIAO Series and Arduino, enabling embedded voice applications with minimal hardware overhead.
• Compact Design for Embedded Applications
  • Bottom-firing microphones and a flat PCB for easy embedding into space-constrained devices without obstruction.
• Smart Voice Assistants:
  • Seamlessly integrates with Amazon Alexa, Google Assistant, Home Assistant, and other mainstream voice platforms for far-field voice control and smart home automation.
• Conference Systems:
  • Compatible with Microsoft Teams, Zoom, and other popular conferencing software via USB Audio Class 2.0, delivering clear multi-person audio pickup and real-time status feedback.
• Audio Processing Development:
  • Ideal for developers working on audio signal processing, speech recognition, and acoustic algorithm prototyping with open-source platform support.
• Robotics Voice Interaction & Control:
  • Enables 360° voice localization, voice command recognition, and noise suppression for interactive robots, smart toys, and voice-controlled machines.
• Industrial Voice Control:
  • Supports robust voice command applications in factory, retail, and commercial environments, offering reliable performance in noisy and complex scenarios.

Specifications

Core Chip	XMOS XVF3800
Digital Microphones	High-performance digital microphones * 4
Sensitivity	-26 dBFS
Acoustic Overload Point	120 dBL
SNR	64 dBA
Power Supply	USB 5V, external 5V
Dimensions	108mm x 108mm x 18mm
Audio Output	Speaker Connector / 3.5mm Headphone jack
Maximum Sampling Rate	16Khz
Speaker	Supports 5W amplifier speakers.
Supplier Code	101991441

Resources

• Documentation
• ReSpeaker XVF 3800 - Flyer
• Hardware Overview 1
• Hardware Overview 2

Package Contents

• 1x ReSpeaker XVF3800 – USB 4-Mic Array