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Microphone array acquisition solutions

  • Total hardware and software solution for audio capture in strong noise environments

  • Built-in voice front-end noise reduction algorithm

  • Rapid product design implementation of standard MIC arrays

Application Scenarios

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Professional signal processing

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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°

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Built-in full-link dialogue

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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 35m 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

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High programme compatibility

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Chips:

Support Rockchip, 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 DC USB/3.3V DC

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Array Solutions

2 Microphone solutions

Linear 4-microphone

Ring 4 Microphone

Ring 6 microphone

Noise reduction treatment

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Smoothing

noise cancellation

Sound source

localisation

Acoustic echo

cancellation

Smoothing

noise cancellation

Directional noise

suppression

Sound source

localisation

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Room reverberation

suppression

Target speech

endpoint detection

Acoustic echo

cancellation

Front-end

noise reduction

Directional noise

suppression

Room reverberation

suppression

Target speech

endpoint detection