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        UMA-8 Multichannel USB Microphone

        UMA-8 Multichannel USB Microphone


        miniDSP UMA-8 Multichannel USB Microphone

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        Brand: miniDSP
        € 156,16€ 188,95 4 In stock
        • -5% Purchase 4 for only € 179,50 per piece

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        • At least two years warranty
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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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        5 of 5
        By Stephan on 24 June 2024
        5 of 5
        By Oliver on 23 May 2023
        UMA-8 Multichannel USB Microphone
        € 156,16
        € 188,95
        UMA-8 Multichannel USB Microphone
        4 In stock
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