HK-ARRAYMIC-V3.2-4 4-microphone array far-field pickup module
HK-DXMIC-V1.1 is a high-performance 4-mic omnidirectional far-field pickup module, suitable for scenarios such as video conferencing, human-computer interaction, digital screens, smart terminal devices, Android devices, etc
Core Highlights
- Multiple noise reduction for clear voice
- Echo cancellation
- Voice enhanced
- 360° Omnidirectional pickup
- Pick up distance 6-10m
- Noise Suppression
- Auto gain control
Overview & Technical Resources
Design approach, key features, typical applications and core parameters.
Description
The HK-ARRAYMIC-V3.2 is a high-performance 4-microphone array far-field pickup module engineered for smart hardware and far-field voice interaction. Powered by advanced audio DSP algorithms, it supports 360° omnidirectional audio capture with an effective distance of 6 to 10 meters. Fully compatible with Android and various embedded operating systems, its compact form factor supports embedded assembly, helping manufacturers achieve superior acoustic performance and streamlined product design.
Key Features
Key Features of 4-microphone array HK-ARRAYMIC-V3.2：
360° Omnidirectional Pickup: Full-coverage spatial audio capture.
6–10m Extended Range: High-sensitivity long-distance pickup for large spaces.
Automatic Echo Cancellation (AEC): Suppresses speaker echo to guarantee full-duplex communication.
Noise Suppression (ANS): Dynamically reduces both steady-state and non-steady-state ambient noise.
Automatic Gain Control (AGC): Balances audio output levels across varying speaker distances.
Voice Enhancement: Optimizes vocal clarity to boost speech recognition accuracy and voice quality.
Typical Applications
Application of 4-microphone array HK-ARRAYMIC-V3.2：
Video Conferencing Systems: From huddle rooms to executive boardrooms.
Large Screen Displays: Interactive flat panels, digital whiteboards, and smart commercial displays.
Android Smart Devices: Self-service kiosks, AI service robots, and smart home terminals.
Technical Specifications
Product specifications of 4-microphone array HK-ARRAYMIC-V3.2
The array microphone board is equipped with 4-channel microphone array algorithm, which includes stereo conference cancellation, speech enhancement, beam-forming, noise suppression, and automatic gain algorithms. It can achieve call pickup from 6-10 meters away, which is very suitable for the call pickup function requirements of video conferencing.
| Microphone type | Linear equidistant array microphone |
|---|---|
| Number of digital microphones | 4 array microphone |
| The farthest pick-up distance | 6-10m |
| Audio capture rate | 16KHz/48KHz @16bit |
| Sensitivity | -30dBFS |
| SNR | 64 dBA |
| AOP | 120 dB SPL |
| Directivity | 180 degrees forward and backward |
| Supporting Function | Echo Cancellation (AEC), The sound of man is enhanced, Beam-forming, Noise Suppression, Automatic Gain Control (TBD dB) |
| Hardware Features | Echo Cancellation (AEC), The sound of man is enhanced, Beam-forming, Noise Suppression, Automatic Gain Control (TBD dB) |
| Algorithm features | Noise suppression (NS), Automatic Gain Control (AGC), Echo Cancellation (AEC), Beam Forming (BF) |
| Connect interface | 1*USB-5pin-1.25mm (GH) |
| USB power supply voltage | 5V±5% |
| Power consumption | Regular work : 1W5V, 160mA (Max) |
| MIC main board size | (L)100mmx(W)20mmx(H)5.8mm |
| MIC size | (L)115mmx(W)6mmx(H)4.6mm |
| Accessories | 1*USB cable L=1.6M |
