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Microphone array acquisition solutions

2 microphone | 4 microphone | 6 microphones

Integrated software and hardware solutions for far-field interaction and strong noise environments

Built-in full-link voice interaction technology.

Application Scenarios

Professional signal processing

Topology:

Supports linear/ring/rhombus distribution, Mic inlet spacing supports 20mm-40mm, diameter range 40mm-72mm

Signal acquisition:

Adopt four/six/eight-channel voice

synchronous acquisition, no data loss for a long time

Sound source positioning:

Support 180 /360 wide range pickup,

positioning accuracy ±5°

Built-in full-link dialogue

Voice wake-up:

5m wake-up rate >92%, 3m wake-up

rate >94%; false wake-up rate only 1

time/48h

Voice recognition:

Support Mandarin, English, etc.

Far-field interaction:

Supports 3 5m range for home scenes,

6m range for conference scenes, 5m

far-field interaction understanding

accuracy rate >92%

Full link:

Provide ASR, NLP, SLU, TTS full-link

dialogue interaction capability, built-in

rich sources

High programme compatibility

Chips:

Support RK, MTK, Allwinner, Amlogic,

Intel and other major chips

System:

Support Android 4.1+ / Linux 3.1+ / Windows 7+

Interface:

Support USB 1.0 / 2.0

Power supply:

Supports 5V 1A USB / 3.3V I2S

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Array Solutions

2 Microphone solutions

Linear 4-microphone

Ring 4 Microphone

Ring 6 microphone

Noise reduction treatment

Smoothing

noise cancellation

Sound source

localisation

Acoustic echo

cancellation

Smoothing

noise cancellation

Directional noise

suppression

Sound source

localisation

03

Room reverberation

suppression

Target speech

endpoint detection

Acoustic echo

cancellation

Front-end

noise reduction

Directional noise

suppression

Room reverberation

suppression

Target speech

endpoint detection