Key Features
8-microphone linear array for precise and balanced sound pickup
Far-field voice capture up to 10 meters
Built-in DSP algorithms for voice optimization:
Acoustic Echo Cancellation (AEC)
Beamforming (BF)
Noise Suppression (NS)
Automatic Gain Control (AGC)
Voice Enhancement
Supports USB Audio Class 1.0 (UAC 1.0) and USB Control debugging
Compatible with USB HUB camera extension
USB powered, compact, and easy to integrate
Technical Specifications
| Item | Description |
|---|---|
| Microphone Type | Linear equidistant microphone array |
| Number of Microphones | 8 digital microphones |
| Pickup Distance | 6–10 m |
| Audio Sampling Rate | 16 kHz / 48 kHz @ 16 bit |
| Sensitivity | –30 dB FS |
| SNR (Signal-to-Noise Ratio) | 64 dBA |
| AOP (Acoustic Overload Point) | 120 dB SPL |
| Directivity | 60° forward and backward |
| Algorithm Features | AEC, Beamforming, NS, AGC, Voice Enhancement |
| Hardware Features | USB Audio Class 1.0, USB Control debugging, HUB camera support |
| Connector Interface | 1 × USB 5-pin 1.25mm (GH vertical mount) |
| Power Supply Voltage | 5V ±5% (via USB) |
| Power Consumption | 1W @ 5V, 160mA (Max) |
| Mainboard Dimensions | 100mm × 20mm (see mechanical drawing) |
| Microphone Board Dimensions | 115mm × 6mm (see mechanical drawing) |
Typical Applications
Video conferencing and telepresence systems
Smart display and interactive terminals
Android-based voice control systems
Educational and collaboration devices
Multi-microphone speech recognition systems
