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      miniDSP UMA-8 Multichannel USB Microphone

      € 156,16€ 188,95 3 In stock
      • -5% Order 4 for only € 179,50 per piece

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      Product description

      Circular USB microphone array, DSP processing for Beamforming, AEC, Noise reduction, 2ch and 8ch mode, Live GUI control of advanced parameters.



      • Multichannel USB microphone array for voice command
      • On-board DSP for beamforming/ noise reduction / echo cancellation / de-reverb / Direction of Arrival (DOA) / Voice Activity Detection (VAD)
      • Ring with 11 LED RGB
      • High quality MEMS from Knowles SPH1668LM4H
      • Simple USB control API for Direction of Arrival
      • Flexible Firmware (DSP mode @2ch beamformed, RAW mode @8ch audio from MEMS)
      • Step by step app notes for Alexa-PiCortanaSiri and IBM Watson. More coming up soon...


      Product details

      miniDSP UMA-8 Multichannel USB Microphone

      Note: This product comes with a coupon (€9,50) for one free miniDSP plugin download.

      The UMA-8 is a high-performance yet low cost multichannel USB microphone array built around XMOS multicore technology. Seven high-performance MEMS microphones are configured in a circular arrangement to provide high-quality voice capture for a wide range of applications.


      Leveraging the on-board DSP processing, the UMA-8 supports voice algorithms including beamforming, noise reduction, acoustic echo cancellation and de-reverb. Non-technical users can enjoy a plug&play experience, while advanced users can fine-tune all DSP parameters with a real-time Win/Mac GUI for optimum performance. The UMA-8 is a fully compliant UAC2 audio interface with driverless support for Mac/Linux and ASIO drivers for Windows.


      From DIYers to OEM, this pocket-size platform is engineered for flexibility in firmware, software and hardware. Precompiled firmware versions, expansion connectors providing connectivity for additional PDM microphones, I2S in/out expansion and GPIO... It’s all there to grow with your application!


      System Diagram




      What's in the box?

      • 1 x UMA-8 USB microphone array interface
      • 1 x 1.5m USB type B cable
      • 1 x Coupon code for drivers/firmware/GUI. 


      Mechanical Specifications






      USB streaming engine 


      XMOS XSVM 2000 - Multicore USB audio processor with embedded DSP

      USB audio capabilities  






      USB audio recording in 2 possible modes depending on firmware:

      - 8-channel mode (7 x MEMS installed + 1 x spare PDM port in the center)

      - Stereo recording with DSP processing enabled

      USB audio playback: Stereo I2S channel for I2S out (e.g. external amplifier/DAC board.)

      DSP processing (prebuilt firmware)






      · Beamforming with configurable beam width (up to 20dB attenuation)

      · Perceptual acoustic echo cancellation (up to 80dB attenuation)

      · Noise suppression (up to 20dB attenuation)

      · De-reverb ( up to 20dB attenuation)

      · Manual mode for control of beam forming

      UAC2.0 drivers





      Driverless interface for Mac OS X v10.6.4 and up

      Thesycon Windows ASIO driver (All versions)

      Linux Alsa 2.0 compliant

      Control via HID interface for advanced settings and active microphone

      Resolution / Sample rate

      24bit @ 11/16/32/44.1/48 kHz

      I2S port

      Output port for PDM to I2S conversion (upcoming firmware update required)

      MEMS microphones






      7 x Knowles SPH1668LM4H with low noise buffer and high performance modulator

      · Low distortion: 1.6% @ 120 dB SPL

      · High SNR: 65 dB and flat frequency response

      · RF shielded against mobile interference

      · Ominidirectional pick-up pattern


      12 x RGB LED / Bottom mounted - Circular light guide included

      Expansion connector


      2 x 12-pin, 2 mm pitch expansion connector for connectivity to hardware.

      XMOS JTAG connector for custom code.

      Power supply

      USB powered

      Dimensions (diameter) mm

      90 mm diameter / 20mm height with LED ring, 14mm height without LED ring



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      UMA-8 Multichannel USB Microphone
      € 156,16
      € 188,95
      UMA-8 Multichannel USB Microphone
      3 In stock
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