Mạch ReSpeaker USB Mic Array

During the past year, Respeaker Mic Array V2.0 has been sold out for more than 10K units in the format of the development board. Customers keep requesting a complete device with an enclosure, which is challenging for them to design it, considering the acoustic principles.

And here Seeed provides the answer with ReSpeaker USB Mic Array:

• An out-of-box device with a well-designed acoustic structure brings the flexibility for the customer to build in their solution.
• Mold injected enclosure available, saves the time to go to the market and the mold cost.

The difference between the PCBA inside ReSpeaker USB Mic Array and Respeaker Mic Array V2.0:

• Optimized power circuit
• Move the audio jack and micro USB port to the backside.

Features​

• 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

Specification​

• XVF-3000 from XMOS
• 4 high performance digital microphones
• Supports Far-field Voice Capture
• Speech algorithm on-chip
• 12 programmable RGB LED indicators
• Microphones: ST MP34DT01TR-M
• Sensitivity: -26 dBFS (Omnidirectional)
• Acoustic overload point: 120 dBSPL
• SNR: 61 dB
• Power Supply: 5V DC from Micro USB
• Dimensions: 70mm (Diameter)
• 3.5mm Audio jack output socket
• Power consumption: 5V, 180mA with led on and 170mA with led off
• Max Sample Rate: 16Khz

Trang chủ nhà sản xuất và hướng dẫn sử dụng.

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