Physical Specifications
Compact & Flexible for Standard Integration:
Main Board: 100 * 20 mm (Integrated DSP and USB UAC 1.0 interface).
Microphone Board: 60 * 6 mm (Ultra-compact 4-mic layout, ideal for space-constrained devices like POS systems or portable recorders).
Key Technical Highlights
Balanced 4-Mic MEMS Array: Provides an excellent balance between acoustic sensitivity and system power efficiency for everyday AI applications.
60° Directional Pickup (DPUS): Optimizes voice clarity by focusing on the primary user while suppressing peripheral ambient noise.
Essential Acoustic DSP Suite:
AEC (Acoustic Echo Cancellation): Ensures smooth two-way communication by removing speaker feedback.
NS (Noise Suppression): Filters out steady-state background noise (fans, air conditioning, etc.).
AGC (Auto Gain Control): Normalizes voice levels for consistent recording quality within a 3-5 meter range.
UAC 1.0 Plug & Play: Instant USB connectivity for Windows, Android, and Linux—ready to use without additional drivers.
Application Scenarios
Smart Business: Smart POS systems, self-service kiosks, and digital signage with voice interaction.
Office Collaboration: Huddle room conferencing, desktop IP phones, and webcasting.
AI Devices: Educational robots, smart home control panels, and voice-activated appliances.
Customer Service: Reception desk intercoms and information counters.
Performance Comparison: 4-Mic vs. 8-Mic
| Feature | GYKH-4M-D60-U (Standard) | GYKH-8M-D60-U (Flagship) |
| Microphone Count | 4 MEMS Units | 8 MEMS Units |
| Mic Board Size | 60 * 6 mm (Ultra-Compact) | 115 * 6 mm (Linear) |
| Effective Pickup Range | 3 – 5 Meters | 5 – 8 Meters |
| DSP Complexity | Essential (AEC/NS/AGC) | Full-Stack (AEC/NS/AGC/VE/BF) |
| Best For | Smart Retail & Standard Office | Courts, Medical & High-End Biz |
| Key Advantage | Cost-Effective & Space-Saving | Ultimate Precision & Distance |
