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miniDSP Ltd, Hong Kong / 

www.minidsp.com

 / Features and specifications subject to change without prior notice

 

I

MPORTANT 

I

NFORMATION

 

Please read the following information before use. In case of any questions, please contact miniDSP via the 

support portal at 

minidsp.desk.com

. 

S

YSTEM 

R

EQUIREMENTS 

 

W

INDOWS

 

 

1GHz or higher processor clock speed recommended / Intel® Pentium®/Celeron® family, or AMD K6®/AMD 

Athlon®/AMD Duron® family, or compatible processor recommended. 

 

512 megabytes (MB) of RAM or higher recommended  

 

One free USB 2.0 port 

 

Microsoft• ® Windows® Win7/Win8/Win10 

S

YSTEM 

R

EQUIREMENTS 

 

M

AC 

OS

 

 

Intel Core Duo processor or greater 

 

256 megabytes (MB) of RAM or higher recommended  

 

One free USB 2.0 port 

D

ISCLAIMER

/W

ARNING

 

miniDSP cannot be held responsible for any damage that may result from the improper use or incorrect 

configuration of this product. Please read this manual carefully to ensure that you fully understand how to 

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 the questions we receive at the technical support department are already 

answered in this User Manual and in the online 

application notes

 on the miniDSP.com website. So please take 

the time to carefully read this user manual and the online technical documentation. Thank you for your 

understanding! 

W

ARRANTY 

T

ERMS

 

miniDSP Ltd warrants this product to be free from defects in materials and workmanship for a period of one 

year from the invoice date. Our warranty does not cover failure of the product due to incorrect connection or 

installation, improper or undocumented use, unauthorized servicing, modification or alteration of the unit in any 

way, or any usage outside of that recommended in this manual. If in doubt, contact miniDSP prior to use. 

FCC

 

C

LASS 

B

 

S

TATEMENT

 

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 

 

This device may not cause harmful interference. 

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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