High-Performance AI Deep Learning Noise Reduction 4-Mic Array Module | 3-5m Far-Field Voice Interaction-GYSD-4M-AEC360-I

High-Performance AI Deep Learning Noise Reduction 4-Mic Array Module | 3-5m Far-Field Voice Interaction-GYSD-4M-AEC360-I

Product Overview

The GYSD-4M-AEC360-I is a premium-grade AI noise reduction microphone module engineered for advanced voice interaction systems.

By combining dual-microphone directional pickup, a 4-channel digital MEMS array, and a high-performance DSP with deep learning algorithms, this module enables real-time separation of human voice from background noise, delivering exceptional clarity even in acoustically challenging environments.

With stable 3–5 meter far-field pickup, fast response, and cross-platform compatibility, it is designed for high-end applications where speech accuracy and user experience are critical.

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 GY6628AEC-D2025 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

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