ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi

SKU 107990056
29.90
50+ Available
$29.90/ 1pcs+
$26.90/ 10pcs+
$25.90/ 20pcs+
$23.90/ 100pcs+

Description

Seeed’s ReSpeaker 4-MicsLinear Array Kit for Raspberry Pi is an extension board, aka HAT designed for Raspberry Pi. It's a linear microphone array kit, comes with four microphones and designed for AI and voice applications. That means you can build a more powerful and flexible voice product with Raspberry Pi which can integrate Amazon Alexa Voice
Service, Google Assistant, and so on.


ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi consists of two boards, one is voice accessory HAT, another is four microphones linear array.


ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi support 8 input & 8 output channels in Raspbian system. The first 6 input channel for microphone recording(only first 4 input channels are valid capture data), rest of 2 input channel are echo channel of playback. The first 2 output channel for playing, rest of 6 output channel are dummy.



Features

  • 2 ADC chips and 1 DAC chip

  • 8 input and 8 output channels
  • Four microphones array
  • Grove support
  • Compatible with Raspberry Pi 40-pin headers
  • Headset and speaker voice output



Application Ideas


  • Smart speaker

  • Intelligent voice assistant systems

  • Voice recorders

  • Voice conferencing system

  • Meeting communicating equipment

  • Voice interacting robot

  • Car voice assistant

  • Other scenarios need voice command


Assembly drawing 

 



Unboxing Vedio


Technical Details

Dimensions0mm x 0mm x 0mm
WeightG.W 132g    
BatteryExclude
AD/DA Chips 2 x X-Power AC108 ADC; 1 x X-Power AC101 DAC
Voice Output 3.5mm headset audio jack / Speaker jack (JST 2.0)
Microphones SPU0414HR5HSB
Sensitivity -22 dBFS (Omnidirectional)
SNR 59 dB
Raspberry Pi 40-Pin Headers support Raspberry Pi Zero, Raspberry Pi 1 B+, Pi 2 B, Pi 3 B, Pi 3 B+

Part List

1 x ReSpeaker Voice Accessory HAT1
1 x ReSpeaker 4-Mic Linear Array for Voice Accessory HAT1
1 x 20cm Ribbon Cable1

ECCN/HTS

ECCN3A611.y.6
HSCODE8473309000

Reviews

Questions and Answers

SUBMIT
0
Does this have noise suppression, echo cancellation, AGC, De-reverberation algorithms in it? What would be the far field support tested on this one ( in metres)?
on Jul 10,2018
Reply upvote ()
Hi, there~it just have noise suppression,Regards!
on Jul 11,2018 17:38 PM
Reply upvote ()
1. Far field tested distance (in metres)? 2. And what about AGC and EC?
on Jul 13,2018 18:13 PM
Reply upvote ()
Reply
0
Can this run without a Raspberry Pi via USB in PC like the ReSpeaker Mic Arry v2.0?
on Nov 06,2018
Reply upvote ()
Hi there, No, we can not. thanks.
on Nov 07,2018 10:47 AM
Reply upvote ()
Reply
0
Can this run without a Raspberry Pi via USB in PC like the ReSpeaker Mic Arry v2.0?
on Nov 06,2018
Reply upvote ()
Hi there, No, we can not. thanks.
on Nov 07,2018 10:48 AM
Reply upvote ()
Reply
0
Does this give better recognition accuracy than the ReSpeaker 2-Mics Pi HAT? Any other major benefits over the 2-Mic Pi HAT?
on Jun 19,2018
Reply upvote ()
yes, it infact better than 2-Mic Pi HAT,you can read their Technical Details to find the benefits over 2Mic Pi HAT. hope that will be helpful! thanks!
on Jun 21,2018 16:58 PM
Reply upvote ()
Reply

    View History

    ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi

    SKU 107990056
    $29.90
    50+ Available
    $29.90/ 1pcs+
    $26.90/ 10pcs+
    $25.90/ 20pcs+
    $23.90/ 100pcs+
    • Related
    • Description
    • Technical Details
    • Learn
    • Reviews
    • Questions and Answers
    Notify me when it's back in stock
    SUBMIT