Far field Mic Array Solution

Far Field Mic Array Solution

The DSR-0703 is a high-performance yet low cost multichannel USB microphone array built around RK3308 (Rockchip), with improved adaptive beamformer, AEC and barge-in, noise suppression, AGC. Two high-performance MEMS microphones are configured in a linear arrangement to provide high-quality voice capture for a wide range of applications. Leveraging high performance Quar Core A53 processing, the DSR-0703 supports voice algorithms including beamforming, noise reduction, acoustic echo cancellation and de-reverb. The DSR-0703 is a fully compliant UAC2 audio interface with driverless support for Mac/Linux and ASIO drivers for Windows.

 

  • Multichannel USB microphone array for voice command.

  • Onboard DSP for beamforming/ noise reduction / echo cancellation / de-reverd / Voice Activaty Dectection (VAD).

  • 2x RGB LED in ring configuration.

  • 2xTouch button configuration.

  • High quality MEMS from Knowles SPU0410HR5H-1.

  • Flexible Firmware.

  • Support 2-mic linear array

 

Products Based on the Far Field Mic Array Solution

Product

Feature

DSR-0814

ROBAM

Smart speaker

Far field voice

recognition

Product

Feature

Skyworth

Far field voice

BLE5.0

ATVV standard

Over the air update

DSR-0768

The Selection Guide of Far Field Mic Array Solution

Model

Product

MCU

LED

DSR-0814

Treasure box

RK 3308

White

Feature

  • Far field voice recognition.

  • 2-mic linear array.

  • Touch key.

  • Connect to ASR for AI Speech cloud.

Wireless

protocol

IEE 802.11b/g/n

Work

voltage

5V (wireless charge)

Working

temp

-10~+85℃

Store temp

-20~+105℃

Humidity

<= 85%

RoHs

 
 

Model

Product

MCU

MIC

DSR-0768

BLE 5.0 ATVV with Far field Voice

DS200

1 digtal MIC and 1 analog MIC

Feature

  • Far field Voice wake up and input

  • BLE5.0 protocol

  • ATV voice standard

  • Far filed 3 miter Wake up by “Hi Google”

  • Low power consumption at monitor mode

  • Over the air update

Working

distance of

Voice

>6 meters

Work voltage

2.2V-3.6V

Key numbers

17

Working temp

-10~+50℃

Humidity

<= 85%

LED

White

Store

 temp

-20~+60℃

RoHs

 

Near-field

Handheld Remote Control

Far-field

Far-field Voice Control

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