Data Sheet

! ! ReSpeaker!Mic!Array!v2.0!
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Copyright!©!2008-2018!Seeed!Development!Limited!All!rights!reserved!
1!
ReSpeaker Mic Array v2.0 – Far-field w/
4 PDM Microphones
Product!Overview!
The!ReSpeaker!Mic!Array!v2.0!is!an!upgrade!
to!the!original!ReSpeaker!Mic!Array!v1.!This!
upgraded!version!is!based!on!XMOS’s!XVF-
3000,!a!significantly!higher!performing!
chipset!than!the!previously!used!XVSM-
2000.!This!new!chipset!includes!many!voice!
recognition!algorithms!to!assist!in!
performance.!The!array!can!be!stacked!
(connected)!right!onto!the!top!of!the!
original!ReSpeaker!Core!to!significantly!
improve!the!voice!interaction!performance.!
The!microphones!have!also!been!improved!
in!this!version!allowing!significant!
performance!improvements!over!the!first!
generation!mic!array!with!only!4!
microphones.!
The!ReSpeaker!Mic!Array!v2.0!supports!USB!
Audio!Class!1.0!(UAC!1.0)!directly.!All!major!
Operating!System,!including!Windows,!
macOS,!and!Linux!are!compatible!with!UAC!
1.0,!allowing!the!mic!array!to!function!as!a!
sound!card!without!the!ReSpeaker!Core,!
while!also!retaining!voice!algorithms,!such!
as!DoA,!BF,!and!AEC!on!those!systems.!
The!ReSpeaker!Mic!Array!v2.0!is!a!great!
solution!for!those!who!wish!to!add!voice!
interface!into!their!existing!products!or!
future!products.!It!also!works!well!as!an!
entry!point!to!higher!level!voice!interface!
evaluation.!The!board!allows!some!
flexibility!for!customization!upon!request.!
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The!ReSpeaker!Mic!Array!v2.0!has!two!
firmware!versions!available,!one!including!
speech!algorithms!and!a!second!for!raw!
voice!data.!
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Key!Benefits!
• Far-field!Voice!Capture!
• Support!USB!Audio!Class!1.0!(UAC!1.0)!
• Four!Microphones!Array!
• 12!Programmable!RGB!LED!Indicators!
• Speech!Algorithms!and!Features!
• Voice!Activity!Detection!
• Direction!of!Arrival!
• Beamforming!
• Noise!Suppression!
• De-reverberation!
• Acoustic!Echo!Cancellation!
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