miniDSP UMA-16 v2 User Manual Download Page 2

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miniDSP Ltd, Hong Kong /

www.minidsp.com

/ Features and specifications subject to change without prior notice

Revision history

Revision

Description

Date

V1.0

First version

18 Jan 2018

V1.1

Updated for MCHStreamer Lite interface (preliminary)

17 May 2022

V1.2

Public release, renamed UMA-16 v2

6 June 2022

Summary of Contents for UMA-16 v2

Page 1: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 1 UMA 16 v2 MICROPHONE ARRAY DEVELOPMENT BOARD User Manual...

Page 2: ...d specifications subject to change without prior notice 2 Revision history Revision Description Date V1 0 First version 18 Jan 2018 V1 1 Updated for MCHStreamer Lite interface preliminary 17 May 2022...

Page 3: ...B Connectivity 9 2 3 Knowles SPH1668LM4H 1 microphones 9 3 USB Audio 11 3 1 macOS 11 3 2 Windows 12 3 2 1 Download 12 3 2 2 USB Driver installation 12 3 2 3 Control panel 13 3 3 Compliant USB audio so...

Page 4: ...understand how to operate this product The miniDSP audio processor is a powerful tool and misuse or misconfiguration such as incorrectly set gains or excessive boost can produce signals that may dama...

Page 5: ...one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different...

Page 6: ...PH1668LM4H MEMS microphones A center hole fits an optional USB camera for applications such as acoustic cameras The microphone PCB is a simple 2 layer design that can easily be customized to your need...

Page 7: ...2 BOARD LAYOUT AND CONNECTIVITY 2 1 BOARD LAYOUT Figure 1 and Figure 2 show the layout of the UMA 16 v2 Sixteen MEMS microphones are laid out in a Uniform Rectangular Array URA distribution on a 42 m...

Page 8: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 8 Figure 2 UMA 16 board layout component side...

Page 9: ...See section 3 for more details on USB audio connectivity The array is powered over the USB connection so there is no need to separately connect power 2 3 KNOWLES SPH1668LM4H 1 MICROPHONES The UMA 16...

Page 10: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 10 Acoustic performance under the Performance Mode default...

Page 11: ...re are more details on setup and configuration 3 1 MACOS Open the program Audio MIDI Setup in Applications Utilities The UMA 16 v2 will appear in the list on the left hand side Clicking on it and sele...

Page 12: ...support redeem coupon The User Downloads link is visible from the dropdown menu at the top right of the website page Navigate to the USB Microphone Array Series and download the zip file under the he...

Page 13: ...amer Multi channels Here you can set the UMA 16 v2 as the default audio input device if needed and set its sample rate and bit depth by clicking on the Properties button Notes 1 Recording and measurem...

Page 14: ...his tab shows the current sample rate of the UMA 16 v2 This setting cannot be changed here but simply displays the current sample rate The sample rate is chosen in the Windows Control Panel above or t...

Page 15: ...ging these settings may result in unstable operation We recommend that you leave them at the defaults 3 2 3 4 Volume This panel contains the volume controls for input channels o To reset the master vo...

Page 16: ...ng Kong www minidsp com Features and specifications subject to change without prior notice 16 3 2 3 5 Info This panel shows information about the UMA 16 v2 Important data includes the firmware version...

Page 17: ...only supports WDM and therefore won t work We recommend a Digital Audio Workstation DAW such as Reaper Cubase Protools for a reliable experience For acoustic measurement we recommend Room EQ Wizard wi...

Page 18: ...ttps www roomeqwizard com upgrades html Note the REW Pro upgrade is included with a purchase of the miniDSP UMIK X but is not included with the UMA 16 For an example application using REW for multi ch...

Page 19: ...oad and install FlexASIO then start REW and open its Preferences Under Drivers select ASIO then click on the ASIO Control Panel button The FlexASIO control panel will pop up Select the UMA 16 as the i...

Page 20: ...nel 1 as the first input and channel 16 as the last 4 4 MEASUREMENT To run a measurement use the Measure button as usual On the measurement settings windows ensure that Multiple inputs is checked If G...

Page 21: ...XMOS Xcore200 asynchronous USB audio up to 48 kHz USB Audio Class 2 compliant ASIO drivers for Windows Driverless for macOS MEMS microphone 16 x Knowles SPH1668LM4H ADC DAC Sample rate Resolution Reso...

Page 22: ...accessories b A clear explanation of the symptoms you are seeing c A description of troubleshooting steps see Troubleshooting above performed and your results Please note that miniDSP is only able to...

Page 23: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 23...

Page 24: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 24...

Page 25: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 25...

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