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, smartterminal devices, Android devices, etc

Key Highlights

  • Multiple noise reduction with clear characters
  • Echo cancellation
  • Voice enhanced
  • 360°mnidirectional pickup
  • Pick up distance 6-10m
  • Noise Suppression
  • Auto gain control
Engineering support Datasheet available
Technical Overview

Overview & Technical Details

Design, key features, typical applications, and core specifications.

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 wheat4 array microphone
The farthest pick-up distance6-10m
Audio capture rate  16KHz/48KHz @16bit
Sensitivity-30dBFS
SNR64 dBA
AOP120 dB SPL
Directivity  180 deqrees forward and backward
  Supporting Function   Echo Cancellation (AEC)  The sound of man is enhancedBeam-formingNoise SuppressionAutomatic Gain Control (TBD dB)
  Hardware FeaturesEcho Cancellation (AEC)  The sound of man is enhancedBeam-formingNoise SuppressionAutomatic Gain Control (TBD dB)
Algorithm featuresNoise suppression (NS)Automatic Gain Control (AGC)Echo Cancellation (AEC)Beam Forming(BF)
Connect interface1*USB-5pin-1.25mm (GH)
USB power supply voltage5V±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
Accessories1*USB cable L=1.6M