資料來源:https://www.seeedstudio.com/ReSpeaker-Mic-Array---Far-field-w%2F-7-PDM-Microphones-p-2719.html
NOTE:
This product was discontinued due to a supply chain issue - but don't worry! We will have a new and improved version before April 2018!
Update: April 8th, 2018 - We will be announcing the ReSpeaker Mic Array v2 soon. We expect to manufacture near the end of this month.
The ReSpeaker Mic Array can be stacked (connected) right onto the top of ReSpeaker Core to significantly improve the voice interaction experience. It is developed based on the XVSM-2000 Smart Microphone from XMOS. The board integrates 7 PDM microphones to help enhance ReSpeaker's acoustic DSP performance to a much higher level. With the Mic Array attached onto the top of the ReSpeaker Core, ReSpeaker is now able to:
Far-field Voice Capture
Acoustic Source Localization
Beamforming
Noise Suppression
De-reverberation
Acoustic Echo Cancellation
XMOS microcontroller with 16 cores inside
7 high performance digital microphones
Supports Far-field Voice Capture (up to 10m)
Supports Beamforming, Acoustic Source Localization, Nosie Suppression, De-reverberation and Acoustic Echo Cancellation
12 programmable RGB LED indicators
Microphones: ST MP34DT01-M
Sensitivity: -26 dBFS (Omnidirectional)
Acoustic overload point: 120 dBSPL
SNR: 61 dB
Power Supply: 5V DC from Micro USB or expansion header
Dimensions: 70mm (Diameter)
Weight: 15.25g
Here is a video from Parvinder Yadav, it teaches how to use ReSpeaker Mic Array - Far-field w/ 7 PDM Microphones to make google assistant. We really appreciate Parvinder's contribution to the community and hope this video can be a good help for you.
Dimensions | 148mm x 100mm x 32mm |
Weight | G.W 17g |
Battery | Exclude |
ReSpeaker Far-filed Mic Array | 1 |
Wiki of ReSpeaker Mic Array - Far-field w/ 7 PDM Microphones
Made by PNPtutorials
ReSpeaker Mic Array, as the “ear” of Raspberry Pi here, can listen to your speech commands and send them to Raspberry Pi. According to your commands, Raspberry Pi will control Wio Link to do what you want via Wi-Fi. We have talked the smart home for so ma
With ReSpeaker Mic Array, now we can build Google Assistant on Raspberry Pi !!!Hotword detection, cool LEDs and easy installation, it is worthy for you to make one for yourself. Own your own Artificial intelligence assistant from now on:)
ReSpeaker responds to your voice and recognize your speeches based on powerful online cognitive services like Microsoft Cognitive Service, Amazon Alexa Voice Service, Google Speech API, Wit.ai and Houndify.
該ReSpeaker麥克風陣列可堆疊(連接)右轉進入ReSpeaker核心的頂部顯著改善語音交互體驗。它是基於從XMOS的XVSM-2000智能話筒開發。該主板集成了7 PDM麥克風,以幫助提高ReSpeaker的聲學DSP性能到一個更高的水平。與附著在ReSpeaker核心頂部的麥克風陣列,ReSpeaker現在能夠:
遠場語音捕捉
聲源定位
波束成形
噪聲抑制
消混響
聲學迴聲消除
XMOS微控制器裡面16個內核
7高性能數字麥克風
支持遠場語音捕捉(可達10m)
支持波束賦形,聲源定位,NOSIE抑制,消混響和迴聲消除
12個可編程的RGB LED指示燈
話筒:ST MP34DT01-M
靈敏度:-26 dBFS的(全方位)
聲學過載點:120 dB聲壓級
信噪比:61分貝
電源:DC 5V從微型USB或擴展頭
外形尺寸:70毫米(直徑)
重量:15.25克
1X ReSpeaker遠東提交的麥克風陣列
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