HK-ARRAYMIC-RAW-V1.0 8-Mic Linear Array Raw Audio Module
The HK-ARRAYMIC-RAW-V1.0 is an industrial-grade 8-microphone linear array module that outputs unprocessed raw audio with zero phase difference across channels and 360° far-field pickup up to 10 meters, making it suitable for voice algorithm research, smart terminals, and AI robotics.
Core Highlights
- Lossless raw audio output
- 8-channel synchronization with zero phase difference
- 10 m far-field HD pickup
- USB plug-and-play
- Industrial-grade anti-interference and stability
- Hardware support for AEC channel
Overview & Technical Resources
Design approach, key features, typical applications and core parameters.
Product Overview
The HK-ARRAYMIC-RAW-V1.0 is an industrial-grade 8-microphone linear array module for acoustic research, hardware integration, and voice algorithm development. It delivers lossless raw audio, zero phase difference across channels, and 360° far-field pickup up to 10 meters, providing unprocessed audio data for sound source localization, beamforming, and acoustic feature extraction. With pure hardware acquisition and universal USB plug-and-play, the module integrates with Windows, Linux, Android, and embedded ROS systems.
Key Features
Lossless Raw Audio Output：No software filtering, gain modification, or noise suppression is applied. Natural voice, spatial reverberation, and background noise are preserved in full to meet the data-integrity requirements of academic research and R&D.
8-Channel Synchronization with Zero Phase Difference：Equidistant silicon microphones provide precise spatial sound-field mapping with no delay or phase drift, supporting beam steering, sound source localization (SSL), and time difference of arrival (TDOA) testing.
10-Meter Far-Field HD Pickup：An optimized acoustic architecture and enhanced hardware gain capture full-range audio up to 10 meters away, reliably picking up low-amplitude voices and faint distant events without clipping or signal interruption.
USB Plug-and-Play：Compliant with standard USB audio class protocols, the module works with Windows, Linux, Android, and embedded platforms without dedicated drivers, shortening integration cycles for conference terminals and AI robots.
Industrial-Grade Anti-Interference：Industrial audio acquisition ICs and electromagnetic shielding suppress current noise and crosstalk, maintaining zero data loss and minimal signal drift during prolonged recording.
Hardware Support for AEC：A dedicated reference channel is reserved for acoustic echo cancellation (AEC) workflows, enabling double-talk algorithm training and full-duplex communication.
Typical Applications
Voice algorithm research: for universities, laboratories, and technology teams developing beamforming, noise suppression (ANS), dereverberation, and speech recognition (ASR) algorithms.
AI and intelligent robotics: enables service robots, industrial AGVs, and smart kiosks to track sound sources and interact naturally in noisy environments.
Professional video conferencing and smart offices: provides clean multi-mic audio for conference soundbars, interactive whiteboards, and remote collaboration systems.
Audio forensics and security recording: captures unaltered acoustic evidence for law enforcement, courtrooms, and high-security surveillance.
Studio and on-site sound collection: records multi-channel spatial audio for broadcast, VR soundscaping, and field recording.
Smart home and intelligent spaces: serves as the acoustic front end for smart ceiling units, home automation hubs, and voice-controlled appliances.
Technical Specifications
Microphone Parameters
| Number of microphones | 8-mic linear array |
|---|---|
| Microphone sensitivity | -32 dB |
| Signal-to-noise ratio (SNR) | 65 dB |
| Maximum sound pressure level (AOP) | 126 dB SPL |
Audio Parameters
| Audio capture rate | 16 kHz @ 16 bit |
|---|---|
| Effective pickup radius | ≤ 10 m |
| Noise reduction and suppression | None; raw audio is preserved |
Electrical Parameters
| Operating voltage | 5 V ± 5% |
|---|---|
| Operating current | 120 mA |
| Power consumption | 0.6 W (max.) |
System Compatibility
| Supported operating systems | Windows XP / VISTA / 7 / 8 / 10, Linux 2.6.24 and above, Ubuntu, macOS 10.6 and above, Android 5.1 and above |
|---|---|
| Driver requirement | Driver-free, plug and play |
Interfaces and Cables
| Main interface | USB, PH 5-pin 1.25 mm |
|---|---|
| Protocol | UVC / UAC 1.0 |
| Power supply | USB 5 V |
| USB cable | L = 1.6 m, for power and audio output |
| Microphone cable | L = 20 cm, connects the main board to the microphone board |
| AEC cable | L = 50 cm, for echo cancellation |
| Expansion interfaces | AEC interface, camera interface |
