WM8960 Audio Codec, 2 Analog Microphones, 3 APA102 RGB LEDs, 3.5mm Audio Jack, User Button, attached with NLU software algorithms, VAD,DOA, KWS
The reSpeaker 2-Mics Pi HAT has been equipped with 2 analogue microphones and WM8960 Audio Codec, for high-definition voice capture and process, designed to be the voice user interface for Raspberry Pi Series. Attach with NLU software algorithms, it has the abilities of Voice Activity Detection, Direction of Arrival and Key Word Spotting, widely used in Voice Interaction applications. It is a fine solution for local Neutral Language Understanding.
Feature
Voice User Interface for Raspberry Pi Series: Placed by 4 analogue microphones, which come with the Voice Interaction algorithms of VAD(Voice Activity Detection), DOA(Direction of Arrival), KWS(Key Word Spotting)
WM8960 Audio Codec: Low power, high-quality stereo Codec designed for portable digital audio applications
Controllable Peripherals: Provide 3 programable APA102 RGB LEDs and 1 User Button for attached Speech Recognition usage
Easy Assembly: Simply pop up on the Raspberry Pi to use
Description
The reSpeaker 2-Mics Pi HAT is the voice user interface for Raspberry Pi Series, which has been equipped 2 analogue microphones and WM8960 Audio Codec for high-definition voice capture. Attach with NLU software algorithms and noise reduction algorithms, it has the abilities of Voice Activity Detection, Direction of Arrival and Key Word Spotting, widely used in Voice Interaction applications.
How does reSpeaker work?
There are analogue microphones mounted on each corner of the square reSpeaker, to receive audio data around then transmit them to the codec. The codec integrates synchronized ADCs with mic boost amplifier, to deliver valid channel data to the Raspberry Pi/ Pi Zero, where it transits them over I2S ports by standard I2S or PCM format, along with a single port by TDM format.
The NLU algorithms will be applied to the Raspberry Pi once the audio data has arrived. The main functions include Voice Activity Detection(VAD), Direction of Arrival(DOA), and Key Word Spotting(WKS), suitable for various Voice Interaction applications such as voice-based remote control cars, voice user interface, keywords wake up and so on.
Since the audio data transmitted may contain the noise as well, the reSpeaker comes with the functions of Auto Echo Cancellation (AEC), Beamforming, Webrtc Noise Suppression (NS), and Automatic Gain Control (AGC) to reduce noise and perform better audio data to the Raspberry Pi.
{"id":8074111222077,"title":"reSpeaker 2-Mics Pi HAT for Raspberry Pi","handle":"respeaker-2-mics-pi-hat-for-raspberry-pi-online","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ereSpeaker 2-Mics Pi HAT for Raspberry Pi\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWM8960 Audio Codec, 2 Analog Microphones, 3 APA102 RGB LEDs, 3.5mm Audio Jack, User Button, attached with NLU software algorithms, VAD,DOA, KWS\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe reSpeaker 2-Mics Pi HAT has been equipped with 2 analogue microphones and WM8960 Audio Codec, for high-definition voice capture and process, designed to be the voice user interface for Raspberry Pi Series. Attach with NLU software algorithms, it has the abilities of \u003c\/span\u003e\u003cstrong\u003eVoice Activity Detection\u003c\/strong\u003e, \u003cstrong\u003eDirection of Arrival\u003c\/strong\u003e and \u003cstrong\u003eKey Word Spotting\u003c\/strong\u003e, widely used in Voice Interaction applications. It is a fine solution for local Neutral Language Understanding.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eVoice User Interface for Raspberry Pi Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Placed by 4 analogue microphones, which come with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eVoice Interaction algorithms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e of VAD(Voice Activity Detection), DOA(Direction of Arrival), KWS(Key Word Spotting)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWM8960 Audio Codec\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Low power, high-quality stereo Codec designed for portable digital audio applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eControllable Peripherals\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Provide 3 programable APA102 RGB LEDs and 1 User Button for attached Speech Recognition usage\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEasy Assembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Simply pop up on the Raspberry Pi to use\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe reSpeaker 2-Mics Pi HAT is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003evoice user interface\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for Raspberry Pi Series, which has been equipped \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2 analogue microphones\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWM8960 Audio Codec\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for high-definition voice capture. Attach with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNLU software algorithms \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e noise reduction algorithms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, it has the abilities of Voice Activity Detection, Direction of Arrival and Key Word Spotting, widely used in Voice Interaction applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHow does reSpeaker work?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere are analogue microphones mounted on each corner of the square reSpeaker, to receive audio data around then transmit them to the codec. The codec integrates synchronized ADCs with mic boost amplifier, to deliver valid channel data to the Raspberry Pi\/ Pi Zero, where it transits them over I2S ports by standard I2S or PCM format, along with a single port by TDM format.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe NLU algorithms will be applied to the Raspberry Pi once the audio data has arrived. The main functions include Voice Activity Detection(VAD), Direction of Arrival(DOA), and Key Word Spotting(WKS), suitable for various Voice Interaction applications such as \u003cstrong\u003evoice-based remote control cars\u003c\/strong\u003e, \u003cstrong\u003evoice user interface, keywords wake up\u003c\/strong\u003e and so on.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003cimg class=\"lazy\" width=\"\" height=\"\" data-original=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new1.png\" data-src=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new1.png\" src=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new1.png\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"document\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSince the audio data transmitted may contain the noise as well, the reSpeaker comes with the functions of Auto Echo Cancellation (AEC), Beamforming, Webrtc Noise Suppression (NS), and Automatic Gain Control (AGC) to reduce noise and perform better audio data to the Raspberry Pi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv align=\"center\"\u003e\u003cimg class=\"lazy\" width=\"\" height=\"\" data-original=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new.png\" data-src=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new.png\" src=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new.png\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan data-style=\"font-family: opensans;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"document\"\u003e\n\u003cul\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003eVoice Interaction Learning\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003eSecondary software Development\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003eVoice-based remote control cars\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-style=\"font-family: opensans;\"\u003e\u003ca href=\"https:\/\/youtu.be\/Z3gIbxnDCtI\" target=\"_blank\"\u003eGet started with Google Assistant\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-style=\"font-family: opensans;\"\u003e\u003ca href=\"https:\/\/youtu.be\/bZuMimwXtII\" target=\"_blank\"\u003eHow to use button to trigger Google Assistant\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"document\"\u003e\n\u003ch2 class=\"paragraph text-align-type-left pap-line-1.7 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e \u003ccol width=\"129px\"\u003e \u003ccol width=\"443px\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSpecification\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eDetails\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eMIC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e2 analog microphones\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eLED\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e3 APA102 RGB LEDs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eRaspberry Pi 40-Pin Headers\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSupport Raspberry Pi Zero, Raspberry Pi 1B+\/2B\/3B\/3B+\/4B\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eWM8960 codec\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eLow power, high quality stereo Codec designed for portable digital audio applications\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSoftware Algorithm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eVAD(Voice Activity Detection), DOA(Direction of Arrival) and KWS(Keyword Search)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eUser button\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e1 programmable button\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eVoice Capture Distance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e3 meters radius voice capture\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eBattery\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eExclude\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eDimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e65mm x 30mm x 15mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eG.W 33g\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003ch3 class=\"paragraph text-align-type-left pap-line-1.7 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003ePart List\u003c\/h3\u003e\n\u003ctable data-style=\"border-collapse: collapse; width: 52.1714%; height: 18px;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003ereSpeaker 4-Mic Array for Raspberry Pi\u003c\/td\u003e\n\u003ctd data-style=\"width: 0.903342%; height: 18px;\"\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product more-info-tab\" data-clear-style=\"true\"\u003e\n\u003cdiv class=\"description-certification-info\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description-certification-info-tech\"\u003e\n\u003ch3 data-style=\"font-weight:bold;\"\u003eTechnical details\u003c\/h3\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e65mm x30mm x15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eG.W 33g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eExclude\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp data-style=\"font-weight:bold;\"\u003ePart List\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eReSpeaker 2-Mics Pi HAT\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eLEARN AND DOCUMENTS\u003c\/h2\u003e\n\u003ch3\u003eResources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_SCH.zip\"\u003eRespeaker_2_Mics_Pi_HAT_SCH\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_SCH.zip\"\u003eRespeaker_2_Mics_Pi_HAT_SCH\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_SCH.zip\"\u003eRespeaker_2_Mics_Pi_HAT_SCH\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_PCB.zip\"\u003eRespeaker_2_Mics_Pi_HAT_PCB\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_SCH.pdf\"\u003eRespeaker_2_Mics_Pi_HAT_SCH\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_PCB.pdf\"\u003eRespeaker_2_Mics_Pi_HAT_PCB\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT.zip\"\u003eReSpeaker 2 Mics Pi HAT 3D\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/respeaker\/seeed-voicecard\"\u003eSeeed-Voice Driver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/respeaker\/mic_array\"\u003eAlgorithms includes DOA, VAD, NS\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/voice-engine\/voice-engine\"\u003eVoice Engine project, provides building blocks to create voice enabled objects\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/voice-engine\/ec\"\u003eAEC\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn\u003c\/h3\u003e\n\u003ctable width=\"80%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/old\/wiki\/learn_2306.jpg\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca title=\"Introduction to CAN-BUS and How to use it with Arduino\" href=\"https:\/\/www.hackster.io\/idreams\/build-your-own-amazon-echo-using-a-rpi-and-respeaker-hat-7f44a0\" style=\"color: #ff2a00; text-decoration: underline;\" target=\"_blank\"\u003eBuild Your Own Amazon Echo Using a RPI and ReSpeaker HAT\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eHow to build your own Amazon Echo using a Raspberry Pi and ReSpeaker 2-Mics HAT.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/old\/wiki\/learn_1306.png\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca title=\"ReSpeaker 2 Mics Pi HAT Alexa Demo\" href=\"https:\/\/www.youtube.com\/watch?v=uTyDqjG5o8s\" style=\"color: #ff2a00;\" target=\"_blank\"\u003eReSpeaker 2 Mics Pi HAT Alexa Demo\u003c\/a\u003e\n\u003cp\u003eTalk to ReSpeaker 2 Mics Pi HAT with Alexa. You can ask them lots of questions, such as the weather,news, and even a math problem.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg data-src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/s\/o\/sound-meter_ggif_omjr2xfgqg.gif\" data-original=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/s\/o\/sound-meter_ggif_omjr2xfgqg.gif\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/s\/o\/sound-meter_ggif_omjr2xfgqg.gif\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca title=\"Measure Volume Level Using the Wio Terminal\" href=\"https:\/\/www.hackster.io\/364357\/measure-noise-level-using-the-wio-terminal-b8ea82\" style=\"color: #ff2a00;\" target=\"_blank\"\u003eMeasure Volume Level Using the Wio Terminal\u003c\/a\u003e\n\u003cp\u003eDisplay a decibel meter on Wio Terminal with an accurate measurement!\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg data-src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/t\/e\/teachable_machine.jpg\" data-original=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/t\/e\/teachable_machine.jpg\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/t\/e\/teachable_machine.jpg\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca title=\"Teachable Machine\" href=\"https:\/\/www.hackster.io\/naveenbskumar\/teachable-machine-c2e43e\" style=\"color: #ff2a00;\" target=\"_blank\"\u003eTeachable Machine\u003c\/a\u003e\n\u003cp\u003eA voice-enabled machine which reads book and replies to the questions.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg data-src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/0\/1\/01_3.png\" data-original=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/0\/1\/01_3.png\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/0\/1\/01_3.png\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca title=\"ReSpeaker 2-Mics Pi HAT\" href=\"http:\/\/wiki.seeedstudio.com\/ReSpeaker_2_Mics_Pi_HAT\/\" style=\"color: #ff2a00;\" target=\"_blank\"\u003e\u003cspan class=\"learn-info-name\"\u003eReSpeaker 2-Mics Pi HAT\u003c\/span\u003e\u003c\/a\u003e\n\u003cp\u003eWiki of ReSpeaker 2-Mics Pi HAT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","published_at":"2023-01-13T13:01:22+05:30","created_at":"2023-01-13T13:01:20+05:30","vendor":"ThinkRobotics.in","type":"","tags":["3.5mm Audio Jack","Analog","APA102","Audio Codec","DOA","KWS","Microphones","Mics","NLU software algorithms","Pi HAT","Raspberry Pi","respeaker","RGB LEDs","RPIACC","RPIHAT","SEEED","SEEEDSTD","User Button","VAD","WM8960"],"price":159999,"price_min":159999,"price_max":159999,"available":false,"price_varies":false,"compare_at_price":199999,"compare_at_price_min":199999,"compare_at_price_max":199999,"compare_at_price_varies":false,"variants":[{"id":44357098275133,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SBC2110","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"reSpeaker 2-Mics Pi HAT for Raspberry Pi","public_title":null,"options":["Default Title"],"price":159999,"weight":50,"compare_at_price":199999,"inventory_management":"shopify","barcode":"44357098275133","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_2af90815-3cef-4a39-b6e7-7ba9f04a65b9.jpg?v=1673595972","\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_2.jpg?v=1673595972","\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_3.jpg?v=1673595972","\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_4.jpg?v=1673595972","\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1.jpg?v=1673595972"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_2af90815-3cef-4a39-b6e7-7ba9f04a65b9.jpg?v=1673595972","options":["Title"],"media":[{"alt":"reSpeaker 2-Mics Pi HAT For Raspberry Pi Online","id":32526865695037,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_2af90815-3cef-4a39-b6e7-7ba9f04a65b9.jpg?v=1673595972"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_2af90815-3cef-4a39-b6e7-7ba9f04a65b9.jpg?v=1673595972","width":1200},{"alt":"reSpeaker 2-Mics Pi HAT For Raspberry Pi Online","id":32526865563965,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_2.jpg?v=1673595972"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_2.jpg?v=1673595972","width":1200},{"alt":"reSpeaker 2-Mics Pi HAT For Raspberry Pi Online","id":32526865596733,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_3.jpg?v=1673595972"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_3.jpg?v=1673595972","width":1200},{"alt":"reSpeaker 2-Mics Pi HAT For Raspberry Pi Online","id":32526865629501,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_4.jpg?v=1673595972"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1_4.jpg?v=1673595972","width":1200},{"alt":"reSpeaker 2-Mics Pi HAT For Raspberry Pi Online","id":32526865662269,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1.jpg?v=1673595972"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/reSpeaker__1.jpg?v=1673595972","width":1200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2 style=\"text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ereSpeaker 2-Mics Pi HAT for Raspberry Pi\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWM8960 Audio Codec, 2 Analog Microphones, 3 APA102 RGB LEDs, 3.5mm Audio Jack, User Button, attached with NLU software algorithms, VAD,DOA, KWS\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe reSpeaker 2-Mics Pi HAT has been equipped with 2 analogue microphones and WM8960 Audio Codec, for high-definition voice capture and process, designed to be the voice user interface for Raspberry Pi Series. Attach with NLU software algorithms, it has the abilities of \u003c\/span\u003e\u003cstrong\u003eVoice Activity Detection\u003c\/strong\u003e, \u003cstrong\u003eDirection of Arrival\u003c\/strong\u003e and \u003cstrong\u003eKey Word Spotting\u003c\/strong\u003e, widely used in Voice Interaction applications. It is a fine solution for local Neutral Language Understanding.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eVoice User Interface for Raspberry Pi Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Placed by 4 analogue microphones, which come with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eVoice Interaction algorithms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e of VAD(Voice Activity Detection), DOA(Direction of Arrival), KWS(Key Word Spotting)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWM8960 Audio Codec\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Low power, high-quality stereo Codec designed for portable digital audio applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eControllable Peripherals\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Provide 3 programable APA102 RGB LEDs and 1 User Button for attached Speech Recognition usage\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEasy Assembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Simply pop up on the Raspberry Pi to use\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe reSpeaker 2-Mics Pi HAT is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003evoice user interface\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for Raspberry Pi Series, which has been equipped \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2 analogue microphones\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWM8960 Audio Codec\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for high-definition voice capture. Attach with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNLU software algorithms \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e noise reduction algorithms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, it has the abilities of Voice Activity Detection, Direction of Arrival and Key Word Spotting, widely used in Voice Interaction applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHow does reSpeaker work?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere are analogue microphones mounted on each corner of the square reSpeaker, to receive audio data around then transmit them to the codec. The codec integrates synchronized ADCs with mic boost amplifier, to deliver valid channel data to the Raspberry Pi\/ Pi Zero, where it transits them over I2S ports by standard I2S or PCM format, along with a single port by TDM format.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe NLU algorithms will be applied to the Raspberry Pi once the audio data has arrived. The main functions include Voice Activity Detection(VAD), Direction of Arrival(DOA), and Key Word Spotting(WKS), suitable for various Voice Interaction applications such as \u003cstrong\u003evoice-based remote control cars\u003c\/strong\u003e, \u003cstrong\u003evoice user interface, keywords wake up\u003c\/strong\u003e and so on.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003cimg class=\"lazy\" width=\"\" height=\"\" data-original=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new1.png\" data-src=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new1.png\" src=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new1.png\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"document\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSince the audio data transmitted may contain the noise as well, the reSpeaker comes with the functions of Auto Echo Cancellation (AEC), Beamforming, Webrtc Noise Suppression (NS), and Automatic Gain Control (AGC) to reduce noise and perform better audio data to the Raspberry Pi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv align=\"center\"\u003e\u003cimg class=\"lazy\" width=\"\" height=\"\" data-original=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new.png\" data-src=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new.png\" src=\"https:\/\/files.seeedstudio.com\/wiki\/ReSpeaker\/img\/respeaker4mic_new.png\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan data-style=\"font-family: opensans;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"document\"\u003e\n\u003cul\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003eVoice Interaction Learning\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003eSecondary software Development\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003eVoice-based remote control cars\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-style=\"font-family: opensans;\"\u003e\u003ca href=\"https:\/\/youtu.be\/Z3gIbxnDCtI\" target=\"_blank\"\u003eGet started with Google Assistant\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-style=\"font-family: opensans;\"\u003e\u003ca href=\"https:\/\/youtu.be\/bZuMimwXtII\" target=\"_blank\"\u003eHow to use button to trigger Google Assistant\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"document\"\u003e\n\u003ch2 class=\"paragraph text-align-type-left pap-line-1.7 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e \u003ccol width=\"129px\"\u003e \u003ccol width=\"443px\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSpecification\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eDetails\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eMIC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e2 analog microphones\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eLED\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e3 APA102 RGB LEDs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eRaspberry Pi 40-Pin Headers\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSupport Raspberry Pi Zero, Raspberry Pi 1B+\/2B\/3B\/3B+\/4B\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eWM8960 codec\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eLow power, high quality stereo Codec designed for portable digital audio applications\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eSoftware Algorithm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eVAD(Voice Activity Detection), DOA(Direction of Arrival) and KWS(Keyword Search)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eUser button\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e1 programmable button\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eVoice Capture Distance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e3 meters radius voice capture\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eBattery\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eExclude\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eDimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e65mm x 30mm x 15mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"129\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" align=\"\" valign=\"middle\" width=\"443\"\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003eG.W 33g\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003e \u003c\/p\u003e\n\u003ch3 class=\"paragraph text-align-type-left pap-line-1.7 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003ePart List\u003c\/h3\u003e\n\u003ctable data-style=\"border-collapse: collapse; width: 52.1714%; height: 18px;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003ereSpeaker 4-Mic Array for Raspberry Pi\u003c\/td\u003e\n\u003ctd data-style=\"width: 0.903342%; height: 18px;\"\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product more-info-tab\" data-clear-style=\"true\"\u003e\n\u003cdiv class=\"description-certification-info\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description-certification-info-tech\"\u003e\n\u003ch3 data-style=\"font-weight:bold;\"\u003eTechnical details\u003c\/h3\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e65mm x30mm x15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eG.W 33g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eExclude\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp data-style=\"font-weight:bold;\"\u003ePart List\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eReSpeaker 2-Mics Pi HAT\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eLEARN AND DOCUMENTS\u003c\/h2\u003e\n\u003ch3\u003eResources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_SCH.zip\"\u003eRespeaker_2_Mics_Pi_HAT_SCH\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_SCH.zip\"\u003eRespeaker_2_Mics_Pi_HAT_SCH\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_SCH.zip\"\u003eRespeaker_2_Mics_Pi_HAT_SCH\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_PCB.zip\"\u003eRespeaker_2_Mics_Pi_HAT_PCB\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_SCH.pdf\"\u003eRespeaker_2_Mics_Pi_HAT_SCH\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT_PCB.pdf\"\u003eRespeaker_2_Mics_Pi_HAT_PCB\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SeeedDocument\/MIC_HATv1.0_for_raspberrypi\/raw\/master\/src\/ReSpeaker%202-Mics%20Pi%20HAT.zip\"\u003eReSpeaker 2 Mics Pi HAT 3D\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/respeaker\/seeed-voicecard\"\u003eSeeed-Voice Driver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/respeaker\/mic_array\"\u003eAlgorithms includes DOA, VAD, NS\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/voice-engine\/voice-engine\"\u003eVoice Engine project, provides building blocks to create voice enabled objects\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/voice-engine\/ec\"\u003eAEC\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn\u003c\/h3\u003e\n\u003ctable width=\"80%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/old\/wiki\/learn_2306.jpg\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca title=\"Introduction to CAN-BUS and How to use it with Arduino\" href=\"https:\/\/www.hackster.io\/idreams\/build-your-own-amazon-echo-using-a-rpi-and-respeaker-hat-7f44a0\" style=\"color: #ff2a00; text-decoration: underline;\" target=\"_blank\"\u003eBuild Your Own Amazon Echo Using a RPI and ReSpeaker HAT\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eHow to build your own Amazon Echo using a Raspberry Pi and ReSpeaker 2-Mics HAT.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/old\/wiki\/learn_1306.png\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca title=\"ReSpeaker 2 Mics Pi HAT Alexa Demo\" href=\"https:\/\/www.youtube.com\/watch?v=uTyDqjG5o8s\" style=\"color: #ff2a00;\" target=\"_blank\"\u003eReSpeaker 2 Mics Pi HAT Alexa Demo\u003c\/a\u003e\n\u003cp\u003eTalk to ReSpeaker 2 Mics Pi HAT with Alexa. You can ask them lots of questions, such as the weather,news, and even a math problem.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg data-src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/s\/o\/sound-meter_ggif_omjr2xfgqg.gif\" data-original=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/s\/o\/sound-meter_ggif_omjr2xfgqg.gif\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/s\/o\/sound-meter_ggif_omjr2xfgqg.gif\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca title=\"Measure Volume Level Using the Wio Terminal\" href=\"https:\/\/www.hackster.io\/364357\/measure-noise-level-using-the-wio-terminal-b8ea82\" style=\"color: #ff2a00;\" target=\"_blank\"\u003eMeasure Volume Level Using the Wio Terminal\u003c\/a\u003e\n\u003cp\u003eDisplay a decibel meter on Wio Terminal with an accurate measurement!\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg data-src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/t\/e\/teachable_machine.jpg\" data-original=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/t\/e\/teachable_machine.jpg\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/t\/e\/teachable_machine.jpg\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca title=\"Teachable Machine\" href=\"https:\/\/www.hackster.io\/naveenbskumar\/teachable-machine-c2e43e\" style=\"color: #ff2a00;\" target=\"_blank\"\u003eTeachable Machine\u003c\/a\u003e\n\u003cp\u003eA voice-enabled machine which reads book and replies to the questions.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"right\" width=\"20%\"\u003e\u003cimg data-src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/0\/1\/01_3.png\" data-original=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/0\/1\/01_3.png\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/learn\/images\/0\/1\/01_3.png\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca title=\"ReSpeaker 2-Mics Pi HAT\" href=\"http:\/\/wiki.seeedstudio.com\/ReSpeaker_2_Mics_Pi_HAT\/\" style=\"color: #ff2a00;\" target=\"_blank\"\u003e\u003cspan class=\"learn-info-name\"\u003eReSpeaker 2-Mics Pi HAT\u003c\/span\u003e\u003c\/a\u003e\n\u003cp\u003eWiki of ReSpeaker 2-Mics Pi HAT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e"}
