UMA-8

Features

• Multichannel USB microphone array for voice command applications

• Onboard DSP supports:
– Beamforming
– Noise reduction
– Acoustic echo cancellation (AEC)
– De-reverberation
– Direction of Arrival (DOA)
– Voice Activity Detection (VAD)

• 11 × RGB LEDs in ring configuration

• High-quality Knowles MEMS microphones (SPH1668LM4H)

• Flexible firmware modes:
– DSP mode (2-channel beamformed output)
– RAW mode (8-channel direct MEMS output)

• Step-by-step app notes available for:
– Google SDK
– Alexa-Pi
– Cortana
– Siri
– IBM Watson
– MATLAB (more coming soon)

What’s in the Box?

• 1 × UMA-8 USB microphone array interface

• Access to user downloads (drivers, firmware, GUI)

• 1 × 1.5m USB Type-B cable

UMA-8 v2 Microphone Array

• High-performance, cost-effective multichannel USB microphone array

• Built on XMOS VocalFusion (XVF3000) with advanced audio processing

• Features:
– Adaptive beamforming
– Full duplex AEC (Acoustic Echo Cancellation)
– Barge-in support
– Noise suppression & AGC

• 7 high-performance MEMS microphones in circular array for superior voice capture

• Onboard DSP enables:
– Beamforming
– Noise reduction
– Echo cancellation
– De-reverberation

Compatibility

• UAC2 compliant audio interface
• Driverless support for macOS & Linux
• ASIO drivers available for Windows

Flexibility & Expansion

• Suitable for DIY projects to OEM applications

• Supports:
– Precompiled firmware options
– Expansion for additional PDM microphones
– I2S input/output connectivity
– GPIO integration

• Compact, flexible platform designed to scale with your application