miniSHARC - User Manual
Contents
1. 2 3 Typical setup The following system diagram shows the core elements of a miniSHARC system A a Mac PC control USB 2 0 over USB 2 0 Storage of filter coefficients or DSP SDCARD Configuration External DC 5 24VDC Supply 2 4 Interfacing to the miniSHARC USB 2 0 for control Expansion connector SPDIF RX SPDIF TX Expansion port 12S Expansion control power SPDIF Digital Source SPDIF Digital destination To miniDSP compatible boards DIGI FP VOL FP Being an all digital platform the nanoDIGI only interfaces to SPDIF or 12S digital audio interface See more info below about the selection of I2S compatible devices in the I2S section 2 4 1 DC Power connectivity miniSsHARC can operate with a 5 24VDC supply when alone See the bottom of the board for the pin out if you intend to solder WARNING Note that if you are connecting an AN FP analog FP card you must provide 5VDC The board is NOT compliant to 6V and up ie ADUONOODUENORIOOADIONOONIDNODIONODOO DOODO OODI AEN G a mnm E PLUS fl LJ miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P A plug in 2 1mm round barrel DC connector is provided with the board t plugs in the DC white connector _ PROKOM RS N J 000i AQ EEEITEITITITTIMTTTnnnnn PURRARETTTTTATRRUEDASSEELORSDRGGSODEEG LORD Jea Note wh2. PEQ control Mute control Polarity control Compressor limiter Output delay Infinity gt E a Mute Invert delay in ms 0 3000ms Dist cm 0 2 Output2 12 o 12 24 36 48 60 72 I Mute nvert delay in ms 0 0 3000ms Dist cm 0 3 Output3 12 _ Om 2 24 36 48 60 T2 Infinity Mute Invert delay in ms 0 3000ms 0 Dist cm 0 4 12S Outputs Output4 12 0 12 24 36 48 60 72 Invert Mute delay in ms 0 3000ms 0 Dist cm 0 5 Output5 12 0 12 24 36 48 60 72 Invert Mute delay in ms 0 3000ms Dist cm 0 6 Output6 12 o 12 24 36 48 60 72 Invert Mute delay in ms 0 3000ms Dist cm 0 4 3 1 Custom Label The custom label feature allows you to input a user defined label for each output channels A handy feature to remember the output configuration of your system 4 3 2 Monitor Allows you to monitor the input meter of that specific channel on a RMS meter Note that the information is shown in GBFS 4 3 3 Output volume A fader control for 12 to 70qB digital gain control Similar to the input volume control 4 3 4 Crossover Controls for the Low amp High pass filters are available when clicking on the Xover crossover button The log scale graph gives you the equivalent response of the applied filter By pointing the mouse anywher
3. 100 200 5000 10000 20000 EQ BAND SELECTION Basic Advanced Toggle from basic EQ1 Freq 1000 PARAMETRIC EQ BAND 1 to Advanced EQ2 ic Sree Select the iter e EQ3 Freq 1000 P filter type j EQ4 F 1000 EQ band selection me ae meniengy Go 2 Per Band i bypass EQ EQ6 Freq 1000 T EQ Freq 1000 EQ8 Freq 1000 EQ9 Freq 1000 Freq 1000 Basic mode Toggling to the Advanced mode one can be build custom filters from external software such as Room EQ Wizard REW For more information about the auto tuning feature of the miniSsHARC please check miniDSP s website for the following application note PARAMETRIC EQ BAND 1 biquadi bo 1 Per Band bi 0 bypass EQ Bypass ai 0 a2 0 Advanced mode for custom biquad programmina miniDSP Ltd Hong Kong Em Ut prior notice P 20 4 3 7 Compressor Limiter Output Control Output 1 Typical Comp Limiter settings Threshold dBFs 40 50 3 20 Comp Limiter metering Attack Time ms 40 shows real time amount of 1 attenuation by comp limiter fo O 60 Hold ms Comp Limiter chart a 7 ear 80 Release Time ms f 100 100 2 ee eee ee 40 8 dBFs 90 MUTE Bypass Comp Limiter my 3 ve p Sypass siidi 90 B1 72 63 54 45 36 27 18 9 0 INVERT A compressor Limiter allows dynamic range compression of the signal to prevent damage of your speakers Extensive information is available online on the use of compressor limiter Please take the time to familia
4. 12S Output Slave miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 12 3 Software Setup miniDSP platforms are controlled and configured over a USB connection Our software so called plug in must be purchased from our online webstore separately The following section will highlight the steps required to configure the miniDSP plug in In order to familiarize yourself with the software first do not connect any amplifiers to your miniSHARC outputs until you understand each object Get to know the software first then start playing audio 1 The first step consists in downloading the following required frameworks o Microsofte NET framework v3 5 or up PC only o Latest version of Adobe AIR environment Mac Win o Latest version of Adobe Flash player Mac Win 2 Next go to the User Downloads section of the miniDSP website The purchased plug in will be available for download once logged in with the credentials for your account 3 Double click on the air file to install the plug in The following dialog box will Pop up EJ Application Install la MiniDSP 8x8 Installation Preferences M Add shortcut icon to my desktop mM Start application after installation Installation Location C Program Files miniDSP Continue Cancel Once the configuration finalized the plug in will automatically boot up 4 You
5. Connector SPDIF RX On Pinl of expansion connector referenced to ground on board This input pin is mapped to the SPDIF input section of the miniSHARC 4x8 plug in Output Signal Connector SPDIF TX On Pin2 of expansion connector referenced to ground on board The output pin is mapped to the 12S data out channel 7 amp 8 of the miniSHARC 4x8 plug in 2 4 8 I2S Audio connectivity I2S stands for Inter IC Sound protocol and is most commonly used to carry audio information between IC s This protocol is not intended to run long cables lengths but only short Inter IC board to board connections If this is your first time hearing about I2S please have a read online so you can build your technical knowledge The miniSHARC is dedicated to a technical audience and we unfortunately can t teach everything online via emails forum We do expect that you d have done a bit of basic reading of what is 12S what is LRCLK SCLK etc Thanks for your understanding Two types of signals are required for I2S connectivity clock lines and Data lines Clock lines MCLKIN on PIN Master clock of the This pin is an output only 24 576MHz 2S_IN_LRCK on PIN14 The frame synchronization which is equal to the sampling frequency Fs of the native signal being streamed To From the USB port Please consult the plug in sample rate specs 48 96kHz This pin has 2 modes of operations depending on the I2S mode master slave O 12S master mode This pin is
6. can now connect the minisHARC board to one of the USB 2 0 port of your PC The device will be recognized as a HID driver and does not require any driver installation 5 The next step is to gain control of the board by synchronizing the PC configuration to the board Please read carefully the following section to understand how this process works By default all plug ins start in offline mode meaning changes made on the user interface do not affect your configuration It is designed in such a way that you can visually confirm your configuration before loading it to the MiniSHARC kit You should also know that plug ins can only synchronize from PC to board and are not able to retrieve a configuration from the kit In other words make sure your favorite configuration is saved on your PC if you ever decide to change the configuration 6 Once the configuration checked the next step is to Connect amp Synchronize by clicking on the Green button on the top right Note that this button is ONLY active in an unconnected mode Once connected it will disappear since no more synchronization will be required from there on Providing your board is connected to the PC with a USB cable the following important dialog box pops up with 4 options A miniOSP kit with Serial 900026 was detected Please choose from one of the following options miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change
7. time and does not require any Synchronization All settings are also automatically saved to both the DSP and the Flash for long term memory Once happy with your configuration you can disconnect the board from your computer since from this point on the audio configuration will run as last modified in on line mode and recalled following every reboot Enjoy Minimum System Requirements for software installation MiniDSP software requires in a PC MAC environment with the following minimum requirements PC Environment PC with 1GHz or higher processor clock soeed 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 USB 2 0 port Keyboard and mouse or compatible pointing device Microsofts Windows Vista SP1 XP pro SP2 Win7 Microsoft NET framework v3 5 Adobe AIR environment latest version Adobe Flash player latest version MAC Environment Intel based MAC with 1GHz or higher processor clock soeed recommended 512 megabytes MB of RAM or higher recommended USB 2 0 port Keyboard and mouse or compatible pointing device Mac OSX 10 4 or higher Adobe AIR environment latest version Adobe Flash player latest version Package content Your miniDSP package includes e 1 x miniSHARC Kit e 1 x USB cable 1m long miniDSP Ltd Hong Kong Email info minidsp com Features
8. to follow proper installation may void the warranty So if in doubt please make sure to contact us first miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 4 2 System Connectivity 2 1 Board connectivity 5 pin USB port VOL FP connection 2 2 Pin Oo O N nA MN 10 12 13 14 15 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice DC inout J2 PIN OUT of expansion connectors Description SPDIF RX 3 3V compliant SPDIF TX 3 3V compliant LRCLK_SPDIF Not used in current firmware BCLK_SPDIF Not used in current firmware GND GND GND GND MCLKIN I2S_ DATA_IN1 amp 2 I2S_ DATA_IN38 amp 4 I2S_ DATA_IN5 amp 6 I2S_ DATA_IN7 amp 8 I2S_IN_LRCLK I2S_IN_BCLK 5 pin USB port Co oo Onnan OOU E faevel fm J2 12S I O Expansion port PE Laftan n onns Gand ht CU UT CE a ET TTT TTT E eet HH Dono oononoon nin AONUOUONOOONOOOONOUOOONLONOONONONO OOOO EAE mim mana aa DIGI FP connector Pin 16 17 18 19 20 2 22 23 24 25 26 27 28 29 30 75mm Description I2S_ DATA_OUT1 amp 2 I2S_ DATA_OUT3 amp 4 I2S_ DATA_OUT5 amp 6 I2S_ DATA_OUT7 amp 8 I2S_OUT_LRCLK I2S_OUT_BCLK 3 3V GND 3 3V GND GND NC NC NC NC OCCU L LL Cc L J2 pin see below for pinout ee PS ANANN DSP
9. IR commands goes as follow 1 Connect amp synchronize the board to the newly downloaded plug in 2 Under the new IR Remote Plug in click on the IR Learning menu to reach the following dialog box 3 Ten commands are available for control from a remote They include Master Mute List of supported IR commands Volume Up Volume Down Digital source 1 Digital source 2 Digital source 3 Command Contig 1 Learned Config 2 Config 3 Config 4 Master mute Volume Up 1dB increments with ramping down when holding button Volume Down 1dB decrements with ramping down when holding button Digital Source 1 2 used for source selection between Toslink and SPDIF input Config 1 2 3 4 Used to select one of the config built under the software Make sure you ve previously pre configured these first To program a command 2 simple steps While connected and synchronized Press the LEARN button e Point the remote to the IR receiver and press the button to learn the command A dialog box will confirm a successful learning and a green arrow appears once the command learned In case the platform fails to learn the remote command you most likely do not have a Philips RC6 Sony Nect compatible remote Please try another remote Feature such as Config 1 4 selection will only work when the unit is not connected synchronized to the plug in Command for Digital source selection is for future only and does not apply to any miniDIGI setu
10. PNA U Ce 6 eaa E N EEN EAE EEEE E EEEE EEE 21 4 6 IR remote learning feature VOL FP amp DIGI FP ONLY essesssssseseeeeeeeeeererrrererererererrrrrrreerererrrrerrrrrerrtrrrrtertrrrrrrrrrrterrrrrreerererreerereeeererereereeeeee 22 5 fm tiel E naea eee eee re sea EAE A E AT EIIE ATA E P ea ene EE S AE AE AE ATT AE AEE ee cer ES eer AE S A E ET 23 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P2 nin 1 Product Introduction The miniSHARC kit is a Digital Audio Signal Processor DSP board capable of performing a wide range of applications from filtering equalization to time alignment Typically located between an audio source CD player Receiver Preamp PC etc and the amplifier a miniDSP will provide Unparalleled tuning flexibility to improve your audio system s performance Using a PC Mac machine and a USB connection you will be able to control your platform from the plug in an intuitive software application allowing real time modification to your configuration Besides its audio specs a great part of our product concept lies in its simplicity of use The sequence of steps required to control a miniDSP can be summarized as follow Connect the board to your PC Mac machine using a USB cable Launch the plug in to configure settings as required Click Connect amp Synchronize your PC to the board Once synchronized any change is real
11. SAME value as the i f taps o File mode bin file from compatible Room Correction eS OE YOUN IDS 1 Click on Browse to find a bin file in the correct IEEE754 single floating point format miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 18 Open Look in 70dB without_headroom ek Ez Echi E e ch2 My Recent Documents Desktop My Documents My Computer My Network File name Chi x Places Files of type bin Files bin z Cancel 2 Bypass 10000 bine Send to DSP File Mode Unload FIR Taps Used 1024 Taps Available 3156 file C Documents 20and 20Settings Workstation4 Desktop drc bin_for_Tony fiat_with 20headroom Ch1 bin eaters 3 Once you ve confirmed that the response is what you expect Click on the Send to DSP button to load the settings to the DSP A confirmation will bop up to announce how many taps were loaded NOTES 1 All FIR sections are by default loaded with 1024 You can free some Taps available by setting to 8 the Taps Used dialog box of unused channels Manual input mode If your 3 party software provides the filter taps in a text format you can copy and paste them to the dialog box providing they have the following format Click Process button once paste to show the overall response Note that you do not need to enter all coefficients The interface will automa
12. an output Connect this pin to your DAC ADC O 128 slave mode This pin in an input Connect this pin to your 12S master source providing a clock 12S_IN_BCK on PIN 15 The system clock Also called SCLK on some IC is always equal to 64 x Fs e g 64 x 48kHz 3 072MHz This pin has 2 modes of operations depending on the 12S mode master slave O 12S master mode This pin is an output Connect this pin to your DAC ADC O 128 slave mode This pin in an input Connect this pin to your 12S master source providing a clock In 12S Slave mode there are effectively 2 clock domains The one from the 3 4 party I2S source I2S_IN_LRCLK SCLK and the one from the DSP I2S_OUT_LRCLK SLCK In this case I2S devices connected at the outputs of the DSP should use the I2S_ OUT_LRCLK SCLK since the equivalent I2S data is expected to be clocked to the rate of the DSP 12S OUT_LRCK on PIN20 This pin in an output which must be connected to your DAC i e running in sync with the I2S_OUT Data lines 12S OUT _BCK on PIN21 This pin in an output which must be connected to your DAC i e running in sync with the I2S_OUT Data lines Sample Rate LRCLK Master Clock MCLK System Clock MCLK LRCLK SCLK LRCLK ratio I2S_IN_BCK or SCK 48 kHz 24 576 MHz 3 072 MHz 96 kHz 24 576 MHz 6 144 MHz Data lines I2S_ DATA_IN 16 24bit data input to the miniSHARC for processing I2S data lines IN 1 amp 2 pin 10 of the miniSHARC board is mapped to the 12S input of
13. and Specifications are subject to change without prior notice P3 nin DISCLAIMER WARNING An incorrect miniDSP configuration could easily damage your audio system MiniDSP can not be responsible for any damage that may result from the improper use of this product As with any other product we do recommend that you carefully read the manual and other technical notes to insure you fully understand how to operate the board As a general guideline you should first configure your miniDSP board before connecting anything to the outputs of the MiniDSP loudspeakers other output sources Doing so will insure that you have the software correctly configured and won t cause any damage to your system Once again miniDSP can not be responsible of any damages the board make cause to your system Finally MiniDSP is a very flexible board and 99 of typical questions we receive at the tech support department are already answered in this user manual So please take the time to carefully read this user manual Thanks for your understanding WARRANTY TERMS miniDSP Ltd warrants all our products to be free of from defects in materials and workmanship for a period of one year from the invoice date Our warranty terms do not cover failure of the product due to an external trigger misuse servicing or usage outside of the recommended use With this said make sure to carefully read the user manual when customizing the board Any board damage investigated as failure
14. e on the plotted curve the qB attenuation and respective frequency are displayed Bandpass OUTPUT CHANNEL 3 Linking Features gt gt 10 50 Basic HIGH PASS FILTER SETTINGS Advanced Cut off frequency 1000 High Pass Filter settings gt Filter Type Bypass filter BM Link Enabled m BW 48dBfoct BYPASS E out cH3 1000 2000 5000 10000 20000 LOW PASS FILTER SETTINGS a Cut off frequency 5000 BW 48dB oct ne BYPASS Low Pass Filter settings Filter Type Bypass filter miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 17 e Cutoff frequency Select the 3dB frequency by either entering the value or using the up amp down arrows of the numeric box Filter types o Linkwitz Riley LR Available in 12 24 48dB oct o Butterworth BW Available in 6 12 18 24 30 36 42 48dB oct o Bessel Available in 12dB oct Each filter has different phase and amplitude characteristics We recommend you to look online for more information about the specifics of each filter e Bypass button allows you to Enable Disable the filter Make sure to bypass the filter if you do not need the filter enabled e Linking feature allows you to link real time the settings of two crossover windows a handy feature for stereo environments requiring synchronized changes to both left and right channels Ste
15. ea 14 4 1 1 PMN TN see A A E A EE E EE suis dauncauealeceunauncecudatudauedausuaans 14 4 1 2 Preset Memory SSIS COIN sacri E EA EA E E E AER 15 A13 WT T O aa AATA ATE E A A T 15 E e Eo I AS EA EA OA EIE AOA EA O A E E EA EAN E EEI E T E E 16 A T A EA AE E EEE E A E E A A 17 4 3 1 TS MA Es a EAA A A ec sam vane A E A E E A E A A A A A N A E E E NE A E AE 17 4 3 2 A E E NAAA eine env to O AAAA AAA EAA AEA AEAEE AEN 17 A3 UT A e E A A 17 4 3 4 Ee P E A AEE E A A EEI E EE EE EEE E E E E E EA 17 4 3 5 FIR Finite Impulse Response filter SECTION esssessesseseeeereeeeereeererrerrrrrrrrerrtrttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttcrrerrererereeereee 18 4 3 6 Porm e E e E T a AA A dacs tel tomate esece eclnsom tuna eaacse tal mameutsReeneusabuen 20 4 3 7 CO 5 SOW Omio aein socneees oonaeseaacacaoousencecaee edie cu E caeausis oatucaus EAA AT 21 4 3 8 PTS Tet OU EO al cat es pr esatretiy AA E 21 AA VO OG SAVES CS IONS a configurano sacs scresnctssutretvonos ives rir rS OEEO EIS NEIS SASSONE EOSS 21 4 4 1 EO O e E eee ee eee ee 21 4 4 2 ANETO O a AEE EEE EE E E E 21 4 4 3 PEE FOTO CS 1 IIT a asusasdtodntasteccesesaseauseniteaesesneonnseansosesendseveenseccesene sede senieaceneineecudesusocesasdentntadoeecebesusestiadiae 21 4 4 4 Restore Factory default ess sanesusoosmmansoonispansiennmmstadiiimadeineiuatsuiediesatnnsiwnduiedumaaslbeiicotsvnedimeddeeivansubeiiieaatinedieadubeluansibeiiondunedumetdbeiiasubeiimaddnetsedeniaants 21 A
16. en using an AN FP analog card the DC connector must be connected on the AN FP card instead See below pictures 2 4 2 USB connectivity The miniSHARC is provided with a miniUSB connectors on the board For end users looking to connect a Front Panel USB connector see below the connection should be done as follow ONON Q Q QIO Qata MA O EP oloo f 2 4 3 DIGI FP connectivity OPTION When the DIGI FP Digital SPDIF add on board is being used it requires 1x 14pin flat pin connector provided with order is providing power data See below connectivity sample Pay attention to pin 1 Red colored on flat cable Connection on miniSHARC side Connection on the DIGI FP side eeeeeceneerent S35 MUN UURASURRAARERSEARANASEACASERG ASGARD E ER KL i Sde L ersyi2 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P7 Another connector allows the USB connection to the rear connector See connection below Connection on miniSHARC side Connection on the DIGI FP side zioz FOO 8 ouod 0 1 jie 3 gt a 4 Oe fe SGD GEG e Pee CN 2 ATIA CEE 2s yy a 2 4 4 AN FP connectivity OPTION The AN FP 2 XLR IN 2 XLR OUT analog interface will connect directly to the miniSHARC as follow Another connector allow the USB connection to the rear connector See connection below Connection
17. miniSHARC USER MANUAL ee A Added clarifications for routing of 12S SPDIF V1 6 Added miniDAC 8 connectivity 6 4 2015 www minidso com miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 1 nnn Contents 1 FF ST Me MN ON eener np al stve ve need cam ce perp aa du dats de gm A R RA AR 3 2 E EE SIS IVI ASEAS EA EA AA EAA EN E TE O A EEA EA E TE E T 5 LE BONICI N ea E TE T E A E E EA A E A 9 2a JZFNOUO empanon COnno CIO euie S ee nee aero m ETS NE ree errr one 5 2 Ny I ratchet en es emetic pda nota R A 6 24 TASTING tO the MAIN SAR Cx se sesosetiosarssccuatpoaate enanada sar LAN ENANA ACANA ANAA CATANIAN AEKA EAEC A AEEA EAEE CNAE EAEE ANNASA ENAA 6 2 4 1 BC FPOWS MS Dy aa senate tsetse rad sheets E 6 2 4 2 Deo a aE a een te ee eT AT AT O AN St eRe NOY OTIS S nC Ore eS AAN Or mE T OTe A A ener mre Sarr 7 2 4 3 DIGEFPP connectivity OPON annsan EEE E AE E AEE E E AE EE E 7 2 4 4 AN FF connectivity OP TION cicsesasiansiauniaanieaxianrieninsrndiiaoioniaixeienaiiadiandai east ede ed 8 2 4 5 YOLFF TONS I P N a EEEE EEEE 2 4 6 MUM DAC HS COMMS CUM ITY APTON ieee a E E NE E ENEE E AE ENEE E A AEE NE AA ANENE SANARE NEN 10 2 4 7 SPC conn A E E E E aaaciausad a deasbeida easualadesuelaivammusetauesbadsewseiiinae 11 2 4 8 25 FINO CO FS CII IN Y seirer nner EEEE R A aaa aai aaa a 11 3 OTS DE IO EA A OA EA E O EOE E E EE 13 4 PISA A CTS GS orne MABHAR S corer a
18. on miniSHARC side Connection on the DIGI FP side UU Zz SHON If gt Z144 Fe IO f zioz ty MIO CEES pound 0 1 Pie JQ f jo Las iaj EIE ZIJE o aD J 2 nn 4 J E tulelalatelal pletely E p RELE gee Eee ee ree ee stu Glee EIA bad raa a gzy jo 6zule cule zeus miniDSP Ltd Hong Kong Email info minids com Features and Specifications are subject to change without prior notice P8 NNN DSP 2 4 5 VOL FP connectivity OPTION The VOL FP is a volume front panel allowing source selection master volume control and Led indication It includes an IR receiver for IR commands 1 x SPIN connection is required between the miniSHARC and the VOL FP miniSsHARC connectivity of VOL FP VOL FP connectivity miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P9 nin 2 4 6 miniDAC 8 connectivity OPTION The miniDAC 8 is an 8 channel DAC board that stacks together with the miniSHARC board It is connected by jumper cables on either side mounted to the expansion connectors the jumper cables are provided when ordering the miniSsHARC together with the miniDAC 8 a 1 BEhe o a iiiiiili seeeeeetereece f E eebebabaabbaae 2 3 U Tal TE 2 Note the miniSsHARC board requires that the 30 pin expansion headers be installed This is done fo
19. p miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 22 5 Troubleshooting The following symptoms were found to be the most likely cause of issues emt _ Symptoms Troubleshooting recommendation If not solved go to item No audio on outputs Make sure that audio signal is shown on the RMS input meters Double check that inout amp output mute buttons are not enabled Confirm that master mute is not enabled Confirm that you are synchronized and live i e green button disappeared Double check your levels i e what output levels meters Double check the strength of your input signal Confirm that master mute is disabled 3 Audio on input RMS Make sure the matrix mixer is set to send audio to the output meters but no audio on channels in a mixer plug in outputs Check the output mute status for each channel Check that you don t have filter engaged e g LPF HPF Confirm the file format of your file xml ee configuration Confirm the version of the file is compatible with this plug in Cannot connect to the Power cycle the unit board with LED on Make sure the unit is seen in the device manager as a HID device Double check the USB cable e g swap Cannot install software Confirm that you installed the required frameworks Adobe Air Microsoft net SP2 XP Go to the http ir for the latest version Software running in Adobe Ai
20. p 1 Select the channel you would like to link to from the drop down menu The linking feature will link these two channels together Select Channel Input Channel 2 Input Channel 3 Input Channel 4 Step 2 Click on the Link tick box to enable the linking Note that the environment will warn you that all current PEQ settings of the current channel will be copied over to the linked channel Warning Linking of channels will copy all current filter settings to the selected mirroring channel Would you like to go ahead At anytime during the operation you can decide to unlink the channels by simply clicking on the link tick box 4 3 5 FIR Finite Impulse Response filter section The FIR dialog box in the center of the user interface has two modes of operations Binary mode where a preformatted binary bin file is being loaded into the software Such file is Using IEEE754 single floating point format and typically comes from one of our software partners In a manual input the FIR coefficients also called taps can also be loaded with a simple Copy amp Paste into the text file area Binary input mode FIR FILTER CHANNEL 3 Click to flash the Taps to the DSP Click to browse for 10000 20000 the bin file File Mode Select the mode of Manual Mode bin input or manual 1024 input Click to clear the currently loaded FIR Default taps used 3156 Taps Used Select in this text box the
21. r envircanicnt ae likely requiring a version background but not update Connect your PC to the Internet to automatically showing get an update Onsome Windows 7 8 platforms you may have to run the application as administrator i e right click on application icon and select Run as Administrator Problem unsolved by Have a look at our forums to see if someone else already above suggestions had this issue Send us an email info minidsp com with a clear explanation of the symptoms and descriptions of the troubleshooting steps you already performed miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 23
22. r you when ordering the minisHARC and the miniDAC 8 together in the same order If however you already have a miniSsHARC board and are not able to source and install these headers yourself please contact us The RCA connectors are on a separate board connected to the miniDAC 8 board via a jumper cable This photo shows the cable connection the connection to the miniDAC 8 board is shown in the photo above Note If connecting the DIGI FP AN FP and or VOL FP to the miniSHARC in addition to the miniDAC 8 the headers for the USB connections must be right angle versions to allow clearance for the 30 pin headers as shown in the photograph below If the miniSHARC miniDAC 8 and DIGI FP AN FP VOL FP are purchased in the same order the correct headers will be installed Otherwise you may need to remove and reinstall these headers Please contact us if you run into difficulty with this miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 10 nin 24 7 SPDIF Audio connectivity The miniSHARC can accept SPDIF from 44 1k up to 192kHz thanks to its internal Asynchronous Sample Rate Converter ASRC All outputs will be set to the sample rate frequency of the plug in Important note The SPDIF input signal is expected to be 3 3V CMOS compliant Some SPDIF devices may have a lower level e g 0 5V and may require a buffer to boost the level to CMOS compliant Input Signal
23. rize yourself with such processing block before using It 4 3 8 Master volume control The master volume control allows control of all 8 outputs channels of the unit unit It is controlled from the IR commands on the VOL FP panel 4 4 Load Save Restore a configuration 4 4 1 Load configuration Use this feature to load a previously saved configuration The file must be as xml format and previously saved from this plug in For complexity reasons inter plug in compatibility is not available 4 4 2 Save configuration Use this feature to save your audio settings configuration The following dialog box allows you to save the file anywhere on your PC as a xml format All 4 memory preset configurations will be saved 4 4 3 Restore Factory default Use this feature to restore the board back to factory default Warning that all configurations will be restored back to default from this action 4 4 4 Restore Factory default Use this feature to restore the board back to factory default Warning that settings of all four configurations will be blanked back to default 4 5 Firmware upgrade In order to enable some new features the miniDSP may require to be flashed with a new firmware All the required tools i D and firmware files are already included in the in the installation folder of the plug in So the first step to make sure you have 2 everything you need is to install the new plug in by logging to the UserDownload section Note that fi
24. rmware upgrade tools is Windows only at this point of time A mac tool is in the works A warning may be shown during synchronization if you have the incorrect firmware loaded on your platform Once the new plug in installed please browse to the install folder under Program Files Three files can be found there Upgrade steps Upgrade Tool executable Firmware file The firmware upgrade summarizes to few simple steps 1 Unplug the DC power miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 21 nin Press and hold the reset button while plugging the power to the board Release the reset button Connect the USB to the module Open Upgrade Tool Click Open Hex File Choose the lastest hex file you may have downloaded from our user downloads sections Click Program Verify Reset Device SO CONAN W NY 4 6 IR remote learning feature VOL FP amp DIGI FP ONLY This feature is enabled on platforms enabled with the VOL FP accessory for recall of presets via IR The source selection i e Digital source 1 3 is only enabled when the DIGI FP accessory board is in place In an effort to keep the platform compatible with the most common IR standards and not ask users to add another remote to your pile we implemented an IR learning feature This feature allows you to use any remote compatible with the NEC Philios RC6 and Sony IR standards Learning an
25. s move on to the architecture of the software to understand how to setup your system 4 Plug in Architecture of the miniSHARC 4 1 1 Main Page Connect amp Master Mute Synchronize Main Menu amp miniSHARC 4x8 Jeg miniSHARC 4x8 File Restore Help IR Remote Preset Memory Master Volume selection Main Tab INPUTS Volume and RMS meter selection I2S Inputs SPDIF Inputs 1 2 1 2 Inputi Input2 Input3 Input4 12 0 12 24 F 36 Main control or window 60 72 Infinity Infinity Infinity Infinity Mute Mute Mute Mute Main input page for the miniSHARC plug in The main control page can be summarized in few core sections MENU SECTION e File Access to Load Save configuration e Restore Access to restore the whole system or only the current selected configuration preset e Help Link to the help file CONFIGURATION SECTION Allows selection between the various memory banks miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 14 nin CONTROL SECTION e Main control tab Allows selection between input matrix and output control windows e Main control window Contains controls for the selected tab e Synchronize button Allows you to go online and gain control of your system Master Mute Mute all inputs amp outputs signal The following parts of this user manual will describe each section in details 4 1 2 Preset Memory
26. selection The miniSHARC Hd allows the user to create up to 4 preset memories for a quick reconfiguration of the processor Under each configuration all settings of the platform are saved Placed at the top of the user interface simply toggle between configurations by clicking on the config button to reload a specific configuration The currently selected configuration is highlighted in green as shown below for Config 1 Configuration Selection Configi Config Config 3 Config 4 or improperly configured configuration We therefore recommend that you perform a quick configuration offline without A WARNING By toggling configurations you may go from a working configuration i e correct volume setup Eq to an unknown being connected synchronized to the processor to prevent any damage to your equipment 4 1 3 Input Tab The first step in configuring your MiniSHARC consists in making sure audio is being fed to the input correctly To do so click on the button labeled inputs The RMS meter will quickly indicate the average value of the input signal in dBFS i e relative to the full scale of the ADC or 24bit I2S signal Individual faders control the digital gain at the input and per channel mute status This meter displays dB full scale dBFS values and will saturate at OdBFS full scale of the ADC Do make sure to keep the signal below OdBFS red color and with enough headroom say 10dB to prevent saturation during the typical a
27. the miniSHARC 4x8 plug in e I2S_ DATA_OUT 24bit data output from the minisHARC I2S data lines OUT pin 16 17 18 19 of the miniSHARC board are mapped to the 8 outputs of the miniSHARC 4x8 plug in miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice The following timing diagram illustrates the expected 12S audio format a LEFT CHANNEL LRCLK RIGHT CHANNEL ne wa spATA_ X msB X___ 1IF Figure 31 PS Mode 16 Bits to 24 Bits per Channel CLOCK MODES Master Slave Only supported on firmware v1 4 and u o Master I2S mode This is the default mode for the firmware The unit is basically expecting both inputs amp outputs 12S LRCLK SCLK to be generated by the miniSsHARC module All 12S devices connected to the minisHARC must be 12S slave devices o Slave 12S mode 3 configurations o 12S Input Slave I2S output master in this configuration ASRC sample rate converter is used on input clock domain Pull low the pin shown below o 12S Input Master I2S output slave in this configuration ASRC is used on the output clock domain o 2S Input amp output slave in this configuration no ASRC is used so we expect the designer to operate the clock domain at the exact sample rate as the firmware e g 48kHz or 96KHz To pull a pin low simply create a short between the pin and the GROUND GND pins Pull low for 12S Input Slave Pull low for
28. tically zero fill the remaining once you click the button FIR FILTER CHANNEL 1 Bypass 5000 10000 ivi Send to DSP File Mode bo 0 0 Text Mode b1 4 0978237469957435e 10 b2 1 5591266055992037e 9 b3 3 541263060569122e 9 Taps Used 1024 b4 6 165677302050199e 9 Process bS 9 876834461408635e 9 Taps Available 3156 b6 1 4073473941778047e 8 b7 1 9867272271767433e 8 Clear Taps NOTES e o Make sure to input the same numbers of taps in the TAPS USED text box as the taps you are loading miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 19 nin o All FIR sections are by default loaded with 1024 You can free some Taps available by setting to 8 the Taps Used dialog box of unused channels 4 3 6 Parametric Equalizer EQ band selection Select one of the 6 x Parametric Equalizers e Filter type Select between Peak Low Shelf High Shelf Bypass Disables the equalization but doesn t reset the settings A handy tool to check the influence of equalization on your system without resetting to zero Note that the bypass button is per band Bypass not overall e Linking feature Similar to the crossover dialog box you can link up two EQ settings together e Basic Advanced radio button Toggles from basic mode i e input frequency to advanced custom biquad input PARAMETRIC EQUALIZER OUTPUT CHANNEL 1 50
29. udio peaks of a music source To ease your configuration you can easily change the Custom Label of each channel to something more representative e g CD L CDR I2S Inputs SPDIF Inputs 1 2 1 2 Custom Label Input Input2 Input3 Input4 12 12 Per channel L i af ak se monitoring Os o 0 0 8 ae 12 12 12 24 24 24 74 36 36 Per channel 36 36 Level control 48 48 48 48 60 60 60 60 72 JI 72 72 Infinity Infinity Infinity Infinity Per channel PEQ button Per channel mute button miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P15 nin 4 2 Matrix Tab The matrix DSP object is the DSP object linking inputs to outputs While very typical on commercial DSP products it may be new for some of you The following section will summarize the basics of configuration Matrix switchers work as a matrix where Rows are inputs Columns are outputs And the status ON OFF of the buttons at the crosspoint of rows inputs amp columns outputs will define the routing and mixing of the audio to one of 8 outputs The following configuration shows how the matrix should be configured for a 4way configuration with Left audio input being routed to analog outputs 1 4 Right audio input being routed to analog outputs 5 8 Crosspoint Digital outputs in buttons ON Columns I2S Out oOwputi Output2 Output3 Output4 Outp
30. ut5 Output6 Output Output8 Digital inputs in ROWS SPDIF In Output1 Output2 Output3 Output4 Output5 Output6 Output Output8 Input3 Input4 Note how labels of input channels and output channels followed on the Matrix mixer to simplify your routing Let s illustrate the concept of configuration of this block using a 3way configuration 2 subs where both Left amp Right signals are being mixed combined Left channels routed to Left Mixing happens when Speaker Low Mid High multiple crosspoints are enabled within a column I2S Out 12S In Output1 Output2 Output3 Output4 Output5 Output6 SUB Input Input2 SPDIF In Output1 Output2 Output3 Output4 Output5S Output6 Input3 Input4 Important Routing information o When using an AN FP DA FP or DIGI FP interface directly connected to the miniSHARC it will make use of the I2S IN OUT section knowing these are 12S interfaces You should route audio to OUT 1 amp 2 to get audio out from these interfaces o When using the onboard SPDIF receiver of the module SPDIF RX pin 1 it will use the SPDIF inputs channels of the plug in o When using the onboard SPDIF transmitter of the module SPDIF TX pin2 it will use the signal sent to output channel 7 amp 8 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 16 4 3 Output Tab Custom label Monitor Output volume Crossover control FIR filter control
31. without prior notice P13 nin a Synchronize With this option the current plug in configuration will be loaded flashed to the MiniSHARC and your plug in turned to On line mode Warning that it will overwrite whatever configuration was previously loaded on the board If you d like to load a different configuration click cancel and go to the settings tab to load one of your previously saved configurations If you previously installed a different firmware version on your kit this button will disolay Synchronize amp Upgrade Meaning the MiniSHARC kit firmware will be upgraded to the current plug in firmware along with the current settings you have b Restore to Default With this option the software application resets all settings back to factory default and reload the firmware Warning that all current settings will be lost and there are no ways to be able to recover them In either synchronization steps the following dialog box will pop up It s very important that you do not un plug the board in the middle of a firmware upgrades or you may corrupt the configuration Loading configuration to the board Please do not un plug the board or close the application Once the board fully synchronized a Successful connection to the board message pops up From this point on all changes to the configuration will be real time and live therefore giving you the chance to hear the effect of your equalization filtering tuning Let
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