miniDSP USBStreamer Box User Manual Download Page 2

Page: 2 / 25

miniDSP Ltd, Hong Kong /

www.minidsp.com

/ Features and specifications subject to change without prior notice

Revision history
Revision

Description

Date

1.0

User manual – Initial version

20-06-2012

1.1

Mac OSx configuration

09-08-2012

1.2

Adding USBStreamer B infor Win8 setup

26-05-2014

1.3

Updated installation procedure, Mac firmware update

22 March 2016

1.4

More detailed I2S information

25 March 2016

1.5

TDM firmware details

28 Aug 2017

Summary of Contents for USBStreamer Box

Page 1: ... Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 1 USBSTREAMER 10 CHANNEL USB AUDIO INTERFACE TOSLINK ADAT BOX VERSION I2S TOSLINK ADAT KIT VERSION User Manual ...

Page 2: ...ory Revision Description Date 1 0 User manual Initial version 20 06 2012 1 1 Mac OSx configuration 09 08 2012 1 2 Adding USBStreamer B information Win8 setup 26 05 2014 1 3 Updated installation procedure Mac firmware update 22 March 2016 1 4 More detailed I2S information 25 March 2016 1 5 TDM firmware details 28 Aug 2017 ...

Page 3: ...n only 7 2 2 1 I2S TDM Pinouts 8 2 2 2 I2S Clock lines 9 2 2 3 TDM Clock lines 9 2 2 4 I2S Data lines 9 2 2 5 External power 10 3 Installation and Configuration Windows 11 3 1 Download 11 3 2 USB driver installation 11 3 3 Loading firmware 12 3 4 USBStreamer Control Panel 14 3 4 1 Status 14 3 4 2 Format 14 3 4 3 Clock source 15 3 4 4 Buffer settings 15 3 4 5 Volume 16 3 4 6 Info 17 4 Installation ...

Page 4: ...ncorrect 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 onli...

Page 5: ...nsult 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 MARK STATEMENT The USBSTREAMER has passed the test performed according to European Standard EN 55...

Page 6: ...to it There are three firmware versions in the software download zip file Please confirm that your USBStreamer has the correct firmware for your application prior to use ADAT These versions of the firmware will receive and transmit eight channels of audio in ADAT format via the input and output optical connectors The sample rate can be 44 1 or 48 kHz This is the firmware loaded into the USBStreame...

Page 7: ...ge to understand digital clocking and wiring and have access to the equipment necessary to be able to debug any issues you may run into While miniDSP always tries to help its customers it is infeasible for us to debug your circuit and wiring for you Be sure to take the following precautions when designing your I2S interface and wiring General I2S usage notes Unbuffered I2S lines must be kept short...

Page 8: ...the next page Note that all I2S lines are 3 3V logic levels Connected circuits must use a compatible logic level Pin Description Pin Description 1 I2S data OUT Ch 1 2 TDM Out 1 Ground GND 2 I2S data IN Ch 1 2 TDM In 2 NC 3 I2S data OUT Ch 3 4 3 Ground GND 4 I2S data IN Ch 3 4 4 NC 5 I2S data OUT Ch 5 6 5 NC 6 I2S data IN Ch 5 6 6 GPIO future 7 I2S data OUT Ch 7 8 7 GPIO future 8 I2S data IN Ch 7 8...

Page 9: ...marizes the relation between the clocks Be sure to double check that connected circuitry will accept the clocks at the frequencies and ratios listed here Sample rate LRCLK Master clock MCLK Bit clock BCLK MCLK LRCLK BCLK LRCLK 44 1 kHz 22 5792 MHz 2 822 MHz 512 64 48 kHz 24 576 MHz 3 072 MHz 512 64 88 2 kHz 22 5792 MHz 5 6448 MHz 256 64 96 kHz 24 576 MHz 6 144 MHz 256 64 176 4 kHz 22 5792 MHz 11 2...

Page 10: ...0 2 2 5 External power External 5V DC power can be connected to the USBStreamer via pin 12 of J2 This pin is connected with a diode or connection to the power line from the USB port Supplying 5V DC to this pin will therefore ensure that the USBStreamer remains powered on even when no USB device is connected ...

Page 11: ... enables Windows to stream audio to the USBStreamer In addition it installs a control panel to help manage the USBStreamer and the firmware updater necessary to load the most suitable firmware version To install the driver the USBStreamer must be connected to the computer by USB Go to the WinDrivers folder of the installation download and double click on the appropriate installer miniDSP_UAC2_v2 2...

Page 12: ...are version You do not need to load firmware if the default firmware is suitable for your application USBStreamer B box has ADAT firmware loaded when shipped USBStreamer kit has TOSLINK I2S firmware loaded when shipped To load a different firmware version 1 Connect the USBStreamer to your computer via USB if not already connected 2 Browse to the Firmware miniDSP_UAC2_DFU under the driver zip file ...

Page 13: ...NK These files will receive and transmit eight channels of audio over the I2S headers and two channels over the optical connectors The sample rate can be 44 1 48 88 2 96 176 4 or 192 kHz All channels must run at the same sample rate LowSampleRate These files are will receive and transmit eight channels of audio over the I2S headers The optical connectors are not active They will support low sample...

Page 14: ...ol Panel from Start Menu miniDSP Ltd It has several panes described below 3 4 1 Status This panel shows the current sample rate of the USBStreamer This setting cannot be changed in the Control panel but simply reflects the current sample rate of the USBStreamer 3 4 2 Format This panel is present only if the ADAT firmware is loaded Be sure to always have 8 channel input and output selected here ...

Page 15: ...DAT input 3 4 4 Buffer settings The buffer settings are for those looking to optimize the buffering and latency settings of the interface Note that changing these settings may result in unstable operation since such changes are dependent on the resources of the PC For example the lowest latency settings require high amounts of CPU and memory and may not work on some machines If you do not require ...

Page 16: ...ontrols for each channel or pair of channels o To reset the master volume control or a pair of channels to 0 dB no attenuation click the 0dB button o To mute all channels click the speaker icon above MASTER o To mute a pair of channels click the speaker icon above the label o To control volume separately for each channel click on the Link icon to turn it off There is a similar set of controls for ...

Page 17: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 17 3 4 6 Info This pane shows information about the USBStreamer ...

Page 18: ... is the prompt printed by Terminal blue text is text typed in by you and red text is the program output It is important that you type exactly as shown including characters like and where noted the firmware version numbers may be different Press the Tab key after typing the first two characters of any filename to activate auto completion Download the latest software for the USBStreamer from the Use...

Page 19: ... over the TDM headers The optical connectors are not active They will support of 48 44 1kHz Now you will need to copy your chosen firmware file into the miniDSP_UAC2_DFU_OSX folder and then change to that folder like this mymac Firmware myname cp I2S_TOSLINK USBStreamer_Up_TOSLINK_v5_ID1 bin miniDSP_UAC2_DFU_OSX mymac Firmware myname cd miniDSP_UAC2_DFU_OSX mymac miniDSP_UAC2_DFU_OSX myname Then r...

Page 20: ...ong Kong www minidsp com Features and specifications subject to change without prior notice 20 You can now proceed to check the configuration of the USBStreamer with Audio MIDI Setup as described in the next section ...

Page 21: ...ETUP 4 2 1 I2S_TOSLINK firmware Open the program Audio MIDI Setup in Applications Utilities Click on the device USBStreamer that appears in the list of devices on the left to show the eight I2S and two TOSLINK output channels Clicking the Input button will show the equivalent input channels This example also shows the sample rates supported ...

Page 22: ...ld like the TOSLINK output to be the default stereo output for all applications then 1 Click on USBSTREAMER and then the Output button 2 Click on the Configure Speakers button Select the Stereo button For the left channel select Channel 9 and for the right channel select Channel 10 Then click Apply and then click Done 3 Select the output sample rate Typically 44 1 kHz is the best choice Some audio...

Page 23: ...amer that appears in the list of devices on the left to show the eight ADAT output channels As shown in this example the sample rate can be selected for 44 1 or 48 kHz Clicking on the Input button will likewise show the eight ADAT input channels By default the sample rate clock is generated internally by the USBStreamer It can be set to use the incoming ADAT clock by selecting the option from the ...

Page 24: ...reamer and ID4 into the other Depending on the specifics of your system setup DAW external hardware etc you can create a 16 channel aggregate device in Audio MIDI Setup 4 2 3 LowSampleRate firmware Open the program Audio MIDI Setup in Applications Utilities Click on the device USBStreamer that appears in the list of devices on the left to show the eight I2S output and input channels The Format dro...

Page 25: ...olution 24 bit integer Enclosure Aluminum sand blasted and anodized USBStreamer B only Power supply USB powered Dimensions H x W x D 13 x 40 x 62 mm USBStreamer 24 x 64 x 67 4 mm USBStreamer B 5 2 OBTAINING SUPPORT 1 Check the forums on miniDSP com to see if this issue has already been raised and a solution or solutions provided 2 Contact miniDSP via the support portal at minidsp desk com with a T...

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