Advanced Acoustic Performance
The module integrates AI-based noise suppression technology capable of achieving up to 30 dB noise reduction, significantly outperforming conventional DSP-only solutions.
Key capabilities include:
- Real-time voice and noise separation
- Strong suppression of stationary and non-stationary noise
- Enhanced speech intelligibility in multi-source environments
- Clear audio capture for voice calls, commands, and interaction
This makes it particularly effective in scenarios such as:
- Video conferencing in open or noisy spaces
- Smart devices operating in real home environments
- Voice-controlled systems with background interference
Far-Field Voice Capture
The GYSD-4M-AEC360-I is optimized for long-distance voice pickup, supporting:
- 3–5 meter effective range
- High-precision voice recognition
- Fast system response
Unlike traditional modules, its performance is maintained even under low signal-to-noise ratio conditions, ensuring consistent interaction quality.
High-Performance DSP Architecture
At the core of the module is a high-efficiency DSP processor, designed for advanced audio processing tasks:
- 32-bit RISC architecture
- Maximum frequency up to 320 MHz
- Integrated floating-point unit (FPU) for complex algorithm execution
- Ultra-low power consumption design
This architecture enables real-time processing of multi-channel audio signals with high accuracy and stability.
Multi-Channel Audio System
The module supports a 4-channel digital microphone array, with:
- Fully synchronized signal acquisition
- Independent multi-channel processing
- Digital PCM audio output via USB
This architecture provides a solid foundation for advanced features such as:
- Beamforming
- Direction-of-arrival (DOA) estimation
- Voice enhancement and spatial filtering
Audio Quality and Interface Capability
To ensure high-fidelity audio performance, the module offers:
- 16-bit audio resolution
- Sampling rates from 16 kHz to 48 kHz
- Integrated Audio DAC with SNR ≥ 105 dB
- Support for line input/output
Additional interface capabilities include:
- USB 2.0 full-speed communication (plug-and-play)
- S/PDIF interface (half-duplex)
- HDMI audio and ARC support
- Direct headphone driving (16Ω / 32Ω)
Integrated Audio Processing Features
The module incorporates a comprehensive set of audio processing functions, including:
- Acoustic Echo Cancellation (AEC)
- Noise Suppression (NS)
- Dynamic Range Compression (DRC)
- Parametric Equalizer (EQ)
- Frequency shift (anti-howling)
- Wind noise reduction
- Noise detection and adaptive suppression
These features work together to ensure stable and natural voice output across different environments.
System Integration and Development
The GYSD-4M-AEC360-I is designed for efficient system integration:
- USB-powered (5V) operation
- Built-in USB 2.0 controller with PHY
- Support for Android, Windows, and Linux platforms
- Configurable noise reduction and microphone gain
- Support for secondary development and algorithm customization
This significantly reduces development complexity and accelerates time-to-market.
Application Scenarios
With its high-level integration and advanced processing capability, the module is ideal for:
- High-end video conferencing systems
- Smart TVs and interactive displays
- AI voice assistants and terminals
- Automotive voice control systems
- Robotics and edge AI devices
Product Positioning
The GYSD-4M-AEC360-I is positioned as a high-performance, AI-enabled microphone solution for next-generation voice interfaces.
Compared to conventional microphone modules, it offers:
- Superior noise suppression capability
- More reliable far-field voice capture
- Higher level of system integration
- Reduced dependency on external processing
It is particularly suitable for applications where audio quality directly impacts user experience and product value.
Contact & Technical Support
For evaluation samples, customization, or integration support:
Email: denny_tan@sistc.com
Website: https://www.sistc.com
