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miniDSP Ltd, Hong Kong / 

www.minidsp.com

 / Features and specifications subject to change without prior notice

 

 

This device must accept any interference received, including interference that may cause undesired 

operation. 

Warning

: This equipment has been tested and found to comply with the limits for a Class B digital device, 

pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection. This 

equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance 

with the instructions, may cause interference to radio communications. However, there is no guarantee that 

interference will not occur in a particular installation. If this equipment does cause harmful interference to radio 

or television reception, which can be determined by turning the equipment off and on, the user is encouraged to 

try to correct the interference by 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 from that to which the receiver is connected. 

 

Consult the dealer or an experienced radio/TV technician for help. 

Notice

: Shielded interface cable must be used in order to comply with emission limits. 

Notice

: Changes or modification not expressly approved by the party responsible for compliance could void the 

user’s authority to operate the equipment. 

CE

 

M

ARK 

S

TATEMENT

 

The UMA-8-SP has passed the test performed according to European Standard EN 55022 Class B. 

P

ACKAGE 

C

ONTENTS

 

Your 

UMA-8-SP

 package includes: 

 

One 

UMA-8-SP

 USB far field microphone array module 

 

One USB cable for computer connectivity (1.5m) 

A

 

N

OTE ON THIS 

M

ANUAL

 

This User Manual is designed for reading in both print and on the computer. If printing the manual, please print 

double-sided. The embedded page size is 8 ½” x 11”. Printing on A4 paper will result in a slightly reduced size. 
For reading on the computer, we have included hyperlinked cross-references throughout the manual. In 

addition, a table of contents is embedded in the PDF file. Displaying this table of contents will make navigation 

much easier: 

 

In Adobe Reader on Windows, click on the “bookmarks” icon at the left. The table of contents will appear on 

the left and can be unfolded at each level by clicking on the “+” icons. 

 

In Preview on the Mac, click on the 

View

 menu and select 

Table of Contents

. The table of contents will 

appear on the left and can be unfolded at each level by clicking on the triangle icons. 

Summary of Contents for UMA-8-SP

Page 1: ...or notice 1 UMA 8 SP USB MICROPHONE ARRAY WITH EMBEDDED DSP AND STEREO DIGITAL AMPLIFIER User Manual Compatible AI assistants Steady state noise is attenuated by noise reduction algorithm Beamforming...

Page 2: ...ng Kong www minidsp com Features and specifications subject to change without prior notice 2 Revision history Revision Description Date 1 0 First public release 12 June 2018 1 1 Adding DOA USB API 14...

Page 3: ...age notes 8 2 6 DSP settings parameters 9 3 Driver Installation and Configuration Windows 12 3 1 Installation 12 3 1 1 Download the latest driver 12 3 1 2 Connect your UMA 8 SP 12 3 1 3 USB Driver ins...

Page 4: ...operate and use this product as incorrect use or use beyond the parameters and ways recommended in this manual have the potential to cause damage to your audio system Please also note that many of th...

Page 5: ...or an experienced radio TV technician for help Notice Shielded interface cable must be used in order to comply with emission limits Notice Changes or modification not expressly approved by the party r...

Page 6: ...ferencing unit From DIYers to OEM this pocket size platform is engineered for flexibility in firmware software and hardware Feel free to contact miniDSP on how we can help kickstart your new project T...

Page 7: ...ng through the board and SW1 2 3 4 must be at the top for correct microphone pickup J3 1 I2S_OUT_0 J3 2 I2S_IN_0 J3 3 I2S_OUT_1 J3 4 I2S_IN_1 J3 5 I2S_OUT_2 J3 6 I2S_IN_2 J3 7 I2S_OUT_3 J3 8 I2S_OUT_4...

Page 8: ...nection of I O circuitry via I2S The pinouts are shown in Table 1 In the current firmware none of the I2S in out are enabled 2 4 DIGITAL AUDIO AMPLIFIER OUTPUTS The onboard stereo digital audio amplif...

Page 9: ...and digital grounds separated Ensure that the clock ratios as listed in Table 2 are compatible with connected circuits 3 3V logic level All lines use a 3 3V logic level Ensure that connected circuits...

Page 10: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 10...

Page 11: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 11...

Page 12: ...y series heading and unzip the folder on your PC NOTE If you purchased this item from a dealer or someone else purchased the product for you and you currently don t have access to the userdownloads se...

Page 13: ...below 3 2 1 Format This panel selects the input and output data format 3 2 2 Buffer settings The buffer settings are for those looking to optimize buffering and latency settings Note that changing th...

Page 14: ...X has native support for USB Audio class 2 0 devices so no driver installation is required The UMA 8 SP will automatically be detected by Mac OS X as a compliant multichannel USB audio interface 4 2...

Page 15: ...r Linux due to the large number of distributions we know from experience that the UMA 8 SP is Plug Play with Alsa 2 0 drivers For more information support on ALSA driver please consult ALSA project 5...

Page 16: ...x1C some USB library can be used to connect to this device and send receive commands to from it 6 1 2 Voice Activated Detection VAD Direction Of Arrival DOA When voice is detected VAD active or the di...

Page 17: ...to 20dB attenuation De reverb up to 20dB attenuation 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 Resolution Samp...

Page 18: ...oad and install the latest version of the Mic Array plugin from the User Downloads section of the miniDSP website DO NOT DISCONNECT THE USB CABLE OR POWER FROM THE UMA 8 SP WHILE FIRMWARE UPGRADE IS I...

Page 19: ...that the upgrade completed successfully 8 Click on Exit 9 That s it You re done You can now use your UMA8SP with the new functionality 7 3 OBTAINING SUPPORT 1 Check the forums on miniDSP com to see i...

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