Key Functional Features
Precision Voice-to-Text (STT) Optimization: Tuned to deliver 16kHz/16-bit audio streams, minimizing Word Error Rates (WER) for AI recognition engines.
Advanced AI Noise Reduction Suite:
AEC (Acoustic Echo Cancellation): Removes speaker feedback for seamless interaction.
NS (Noise Suppression): Intelligently filters over 300 types of environmental noise.
DRC (Dynamic Range Control): Balances audio levels for consistent clarity.
Anti-Howling: Integrated frequency shifting and howling suppression for stable audio output.
4-Channel Synchronous Capture: Enables advanced spatial filtering and beamforming to isolate the speaker’s voice from background chaos.
Plug-and-Play Compatibility: Universal USB 2.0 interface (supports OTG) with no driver installation required for Android, Windows, and Linux.
Technical Specifications
| Category | Specification |
| Model | GYKH-4M-AI-STT |
| Form Factor | 90 * 13.8 mm (Ultra-slim PCBA) |
| Processor | High-Performance 32-bit Audio DSP |
| Sampling Rate | 16kHz (Optimized for AI Engines) |
| Bit Depth | 16-bit |
| SNR | 64dB+ |
| Current Consumption | Ultra-Low Power (< 50mA active) |
| Interface | USB 2.0 (Compatible with 2.1) |
| Operating System | Android, Windows, Linux (Driver-free) |
Optimized for AI Developers
The GYKH-4M-AI-STT is the ideal hardware choice for developers building next-generation AI agents:
LLM Ready: Fully compatible with OpenAI Whisper, Google Gemini Live, and Microsoft Azure Speech.
Zero-Host-Load: On-board DSP processing handles all noise reduction, offloading the CPU and extending the battery life of your device.
Compact Integration: Designed to fit into the slim top bezels of tablets, smart displays, and handheld AI recorders.
Application Scenarios
AI Smart Terminals: Hardware gateways for ChatGPT and other virtual assistants.
Portable AI Recorders: Handheld devices for automatic meeting minutes and real-time translation.
Smart Office & Education: Interactive whiteboards and huddle room conferencing systems.
Service Robotics: Providing high-accuracy voice command recognition for industrial and retail robots.
