miniDSP UMA-8 - 9 Additional Information; Specifications

miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice 26
9 ADDITIONAL INFORMATION
9.1 SPECIFICATIONS
Item
Description
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
LED
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