OpenDRC-AN - User Manual
Contents
1. IMPORTANT Do not disconnect the unit during this step else you could put the unit into an unknown state DSP4YOU Ltd miniDSP upgrade utility Open Hex Fie Device attached miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 16 memds p Step 6 Click on the Reset device button to finalize the process ES DSP4YOU Ltd miniDSP upgrade utility MEK E You can now connect to the unit and start synchronizing to the unit again Step 7 If the plug in upgrade instructions included a DSP firmware upgrade i e different from the above step you must Restore to default the DSP in order to push a new DSP configuration i e algorithm for audio processing Once connected to the unit click on Restore gt Factory default to clear all memory and overwrite the DSP configuration Step 8 With the unit now running both a CPU amp DSP new firmware you can reload your setting configuration Just go to the backed up files you saved previously Then reload each of them as follow Click on Config 1 button gt File gt Load configuration to current slot gt Browse to setting1 xml file Click on Config 2 button gt File gt Load configuration to current slot gt Browse to setting2 xml file And so on Step 9 Start an audio source and monitor your input output signal to insure all levels are correct It s now time to c2. Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice S Nfa P minid sp Software Setup OpenDRC 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 OpenDRC plug in In order to familiarize yourself with the software first do not connect any amplifiers destination to your OpenDRC outputs until you understand the software Our advise is Get to know the interface then start playing audio 1 The first step consists in downloading the following required frameworks o Microsofte NET framework v3 5 PC only o Latest version of Adobe AIR environment Mac Win RK KKK o Latest version of Adobe Flash player Mac Win 2 Next go to the User Downloads section of the OpenDRC website The purchased plug in will be available for download once logged in with the credentials for your account gt gt 3 To install the plug in simply browse to the correct folder Mac Windows and open the air or dmg application The following dialog box will pop Up Under Windows 4 Application Install Ca o OpenDRC 2x2 Installation Preferences M Add shortcut icon to my desktop mM Start application after installation Installation Location C Program Files miniDSP e Once the configur
3. Volume Down Confirms the command is learned SPDIF TOSLINK AES EBU AVE Contig 1 Contig 2 Contig 3 Contig 4 FIR Bypass Master mute Volume Up 1dB increments with ramping down when holding button Volume Down 1dB decrements with ramping down when holding button Digital source selection Not active for the OpenDRC AN 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 e FIR bypass to toggle ON OFF your entire FIR filter configuration for both channels To program a command 2 simple steps e 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 Nec compatible remote Please try another remote 4 2 Feature such as Config 1 4 selection can ONLY work when the unit is not connected synchronized to the plug in UM 3 4 3 5 Firmware upgrade The OpenDRC firmware upgrade is unfortunately only available from Windows PC machine for the time being The following steps are required to perform a firmware upgrade of a unit Getting ready before an updgrade a Make sure you read carefully the following steps b Make a backup of your configuration files All Confi
4. b0 0 0 Text Mode b1 4 0978237469957435e 10 b2 1 5591266055992037e 9 b3 3 541263060569122e 9 b4 6 165677302050199e 9 b5 9 876834461408635e 9 b6 1 4073473941778047e 8 b 1 9867272271767433e 8 Clear Taps 3 1 7 Output Section miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P12 minid sp Digital Outputs 2 1 Custom label Output1 Output2 Monitor Output volume Crossover control Mute Polarity Control Compressor Limiter delay in ms delay in ms 0 1000ms 0 1000ms Output delay 0 0 Dist cm 0 Dist cm 0 3 1 7 1 Custom Label The custom label feature allows you to input a user defined label for each output channels A handy feature to reme configuration of your system Master volume control Sclef Z Monitor Allows you to monitor the input meter of that specific channel on a RMS meter Note that the information is shown in dBFS 3 1 7 3 Output volume A fader control for O to 70qB digital gain control Similar to the input volume control 3 1 7 4 Crossover IIR Controls for the Low amp High pass filters are available when clicking on the Xover crossover button e The log scale graph gives you the equivalent response of the applied filter By pointing the mouse anywhere on dB attenuation and respective frequency are displayed e plotted curve the Bandpass OUTPUT CHANNEL 1
5. Linking Features gt l m 10 50 500 1000 2000 5000 10000 20000 Basic Advanced HIGH PASS FILTER SETTINGS LOW PASS FILTER SETTINGS Cut off frequency 100 Cut off frequency 5000 Filter Type Filter Type Low Pass Filter settings High Pass Filter Bypass filter BYPASS Bypass filter BYPASS settings Cut off 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 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P13 minid sp Each filter has different phase and amplitude characteristics We recommend you to look online for more information about the specifics of each filter 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 Step 1 Select the channel you would like to link to from the drop down menu Step 2 Click on the Link tick box to enable the linking Note that the environment will warn you that all current crossover settings of th
6. for real time control and firmware upgrade Power supply 5VDC single supply 600mA 5V 2 1 round plug Dimensions H x W xD mm 52 x 180 x 200mm miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P18 marn id s p 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 going through Make sure that audio signal is shown on the RMS input amp output meters Double check that input amp output mute buttons are not enabled Confirm that master mute is not enabled Confirm that you are synchronized and live Confirm that your IR Front panel volume isn t at minimum Click Restore to Factory default while connected to the unit to reset its configuration We first recommend that you unplug your amplifier to reconfigure your audio path Confirm the file format of your file xml configuration Confirm the version of the file Cannot install software Confirm that you installed the required frameworks Adobe Air Microsoft net v3 5 SP2 XP Confirm that you do not have a firewall blocking communication on localhost Problem unsolved by Have a look at our forums to see if someone else already above suggestions had this issue since we re very active at helping the community Send us an email info minidsp com with a c
7. 000 EQS Freq 1000 Frequency 1000 Gain EQ6 Freq 1000 _ 10000 Select the filter type Per Band bypass EQ miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 10 minid sp Advanced Biquad mode Basic 7 Advanced PARAMETRIC EQ BAND biguadi b 1 bi 0 b2 0 al o aZz 0 Under this feature you can easily input the 5 coefficient of an IIR filter fo customize the filter outside the text book filter types already provided PEQ Low Shelf High Shelf Please read our application note for more info 3 1 6 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 3 1 6 1 Binary input mode FIR FILTER CHANNEL 1 Ea Click to flash the Pea la Taps to the DSP bypassed 10000 20000 Click to browse for the bin file File Mode Select the mode of Text Mode bin input or manual input Click to clear the currently loaded FIR o File mode bin file from compatible Room Correction e g AcourateDRC or other FIR filter sof
8. LR connector PINI S gt Cable Shield PIN2 gt Positive cable PIN3 gt Return cable Analog unbalanced Audio Unbalanced audio connectivity Neutrik 3pin XLR connector can be achieved by linking Pin amp Pin 3 together Minus PINI gt Minus PIN2 gt Positive cable PIN3 gt Minus cable Another alternative is to use a transformer Jensen Transformers is a known reference out there while many other solutions are also available if you google for such adaptor 2 2 3 Analog Audio internal Jumper configuration The OpenDRC AN has internal jumpers to modify the maximum input level of the unit from 8Vrms to 2Vrms balanced input Note that these jumpers are essentially an input pad They are NOT changing the output level fixed 2Vrms o By default jumpers are configured for 2Vrms i e unity gain structure for 2Vrms in OqABFS 2Vrms out OdBFS The jumpers are closed o Ifyou remove the jumpers open The maximum input level becomes 8Vrms c80 ESCs Lal ae O Cie E y c74 a eae oy Channel 1 input Vel be jumpers aE is SAL R53 o 5 e Pe S vs EAEI Sua E2 A F Channel 1 input C82 jumpers F C34 r cg T c85 C87 Acs C88 A ly oe C86 a C89 Sp ta ri 2j r yey H S 2 Ze i coz u ae mes i w Cs eee JEE po Sees 7 C58 SAU Be REED 7 pL Let PERSICA Cez BbB leiaat J2 he E i l w VW I I o miniDSP Ltd
9. S monitoring Per channel Level control Per channel PEQ button Per channel mute button 3 1 4 Input channel mode This element is not active when an OpenDRC AN is connected to the plug in This plug in is versatile enough to operate in 3 configurations for stereo or 2 way crossover configurations Stereo mode Left amp Right channels having a dedicated path Mono mode Channel 1 Left channel is being duplicated to both processing chains e g 2way crossover left side Mono mode Channel 2 Right channel is being duplicated to both processing chains e g 2way crossover right side Channel mode Stereo Channel 1 L Channel Z R LLS 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 Advanced mode Allow IIR filter biquad mode for advanced custom filters e g AUTOEQ with REW PARAMETRIC EQUALIZER OUTPUT CHANNEL 1 10 20 50 100 200 EQ BAND SELECTION Basic Advanced EQ1 Freq 1000 PARAMETRIC EQ BAND 1 EQ2 Freq 1000 EQ3 Freq 1000 Filter type EQ band selection EQ4 Freq 1
10. ation finalized the plug in will automatically boot up 4 You can now connect the OpenDRC 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 OpenDRC You should also know that plug ins can only synchronize from PC to board and are not able to retrieve a configuration from the unit 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 AUDIO OFF Connect amp Synchronize 8 Pi miss Providing your board is connected to the PC with a USB cable the following dialog box pops up with 4 options Connecting to the Syster A OpenDRc kit with Serial 900001 was detected Please choo
11. den chenesuaetoseseactonasontesaconesoueseaciovaden chebasonstosasenctenadon esaconesoueseacioiadenchennionetans 10 3 1 6 FIR Finite Impulse Response filter SECTION ccccccccccceccccccceccceeceeeeeeseseeeeeeeseeeeeeeseseeeeeeeeeeseeseesesseeeessesesesessssssssessesesssssesssessesesessess 1 Hl TT 5 CO ects kare cite N ANAE E ENE OEE ENA EROAAN AE EEE OES IZ 3 2 Load Save Restore a Configuration cc cccosxatrcsnrcscrcanseatecaares arcane eatacaares arcane eadacaaeeh Scans sade aares arenas eatacaaesheeaneeacaaeeaen ea caareseennnemeiemens 14 3 2 1 LOGIC ONI A O EEEE EEEE EEEE E EEEE 14 3 2 2 SOV ONT LE e catse secretes ceca cerasdnusiaaicdieaieateaiadecieateaicdiaaieatealadeecteaiediaaieateaiadeaieatealedieaieatealadeaietealediaaieatealaduaiecteaiedeaieaealadeaeatealedaaieaealadedieateacdeaieaeaeduduasaidcsanaudedeseas 14 3 2 3 Restore current configuration only ccccccccccccscccccecsccceseeeeeeeeeeeeeeeeeeseeeeeeseeeeseeseeeeeeseeeeeeseeeeeeeseeseseeseesesssssessesesssesssssesssessessssssessesscs 14 3 2 4 Restore Factory CIS IOUT serasi A E AAA AAAA AAAA AE ONARA A EANA 14 33 EET eS CIA e CO A A ATA AA E AE AE AR 15 E NE A S A IA AE EA AEE E OE AEA A E E E A EENE EA AE TI AEA A A 15 3 5 ELEL OO ance gare cane gare cares cae acne cae sarc oar ace sarc Gara cae N N N A A eaten A cance Gane A IA carne N 15 4 WSS TS SST OS acess cet rororo Seeee nce EE oe tae E E EEEIEE ke EEEE 17 5 MOCOS A N ea AAAA AA ee ree 19 miniDSP Ltd Hong Kong E
12. e 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 3 1 7 5 Compressor Limiter Compressor OUTPUT CHANNEL 1 Typical Comp Limiter settings Threshold dBFs 30 Ratio 4 Comp Limiter metering shows real time amount of Attack Time ms attenuation by comp limiter 40 Release Time ms Comp Limiter chart shan Bypass Comp Limiter Bypass Infinity Sao Se sa ee A E 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 familiarize yourself with such processing block before using it 3 2 1 Load configuration Use this feature to load a previously saved configuration into the slot of the currently selected Configuration The file must be as xml format and previously saved from this plug in For complexity reasons inter plug in compatibility is not supported J22 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 Only the currently selected memory will be saved in an XML z When savi
13. es to the configuration will be_real time and live therefore giving you the chance to hear the effect of your equalization filtering tuning Let s move on to the architecture of the software to understand how to setup your system miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P8 mamas p 3 Plug in Architecture OpenDRC 2x2 plug in Connect amp Master Mute delel Main Page Synchronize l a OpenDRC 2x2 l J Main Menu r OpenDRC 2x2 File Restore Help IR Remote Preset Memory p Configuration Selection Config 1 Contig 2 Config 3 Config 4 lt q AUDIO UN selection Master Volume DSP Control Panel Main control Digital Inputs TOSLINK T Eee e tet et et a8 Digital Outputs window 1 4 2 1 2 Inputi l poas Output1 Output2 T2 12 _ 0 Om Not required in OpenDRC AN Input selection mode Master FIR filter Bypass a FIR Bypass 12 12 24 24 36 36 48 48 60 60 EZ 72 72 xover E xover Mute Mute Invert Invert delay in ms delay in ms 0 1000ms 0 1000ms o Blb Dist cm 0 Dist cm 0 Main input page for the OpenDRC 2x2 plug in The main control page can be summarized in few core sections File Access to Load Save configuration Restore Access to restore the whole system or only the current selected configuration preset Help Link to the help file IR Remote Link for programming of the IR learni
14. guration Preset files are stored as 4 xml files in your local PC under My Documents MiniDSP OpenDRC 2x2 setting Make a copy somewhere else on your PC e g Desktop c If any questions issues please get in touch with us CASE 1 Upgrade firmware required with new plug in Step 1 Disconnect all Audio inputs outputs This step is important since the OpenDRC may go into an unknown state while the CPU DSP are being upgraded We also recommend that you save your existing Configuration miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P15 minid sp Step 2 Connect to the OpenDRC and click on the synchronize button A green dialog box will pop out saying that the firmware is incompatible with the installed software AUOIO ON Channel t L Channel 27 R Step 3 Click OK and a Upgrade utility will automatically pop up Open Hex File Erase Device Program erify Verify Reset Device Step 4 Click on Open Hex file to browse to the firmware file and browse to the following folder Program Files MiniDSP OpenDRC 2x2 firmware_tools Windows wna SM OR ENC_miniSHARC_Yer2 10_SingleSHARC hex My Recent Documents v jN File name ENC_miniSHARC_Ver2 10_SingleSHARC hex V My Network Files of type Hex files hex AE E oO 3 e 3 Step 5 Once the Hex file selected click on Program Verify
15. lear 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 P19
16. mail info minidsp com Features and Specifications are subject to change without prior notice P 2 marn id s p 1 Product introduction The OpenDRC is a Digital Audio Signal Processor DSP capable of performing a wide range of processing including filtering FIR IIR compression limiter time alignment Typically located between an audio source CD player Receiver Preamp PC etc and the amplifier the OpenDRC 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 the unit 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 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 rebo
17. minid sp OpenDRC AN USER MANUAL eS www miniDSP com miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P memds p Contents 1 PRODUCT IAMO COUCH OM a cosscosorsenaracodconodbednaredowdconesbedearented conesbeduarented cones baduardaned cones EEA 3 2 Systemi Oi II sses eaea onens ns Sunda asco me nena E one nea asus obras AAEE AEE E EAEAN REE EAE AEE ENA od EAE AENEA EA NEREA ENESE EEA AINERE EINSA 5 2 1 SEEE I ANA EAA A N A E A A EANNA A A A A A A AA E E 5 2 2 TS eH S e E 5 2 2 1 DEC POW ESF CONNEC crni RE AA EA 6 2 2 2 Andog Avdio c onne SM Uy acetic ce gu E EE 6 22 0 Analog Audio internal Jumper Configuration ci cccsccsdarGsasrieassarGaeeaieansarGaennieassarGaennGass aise araaraeeaanes 6 3 Plugini Architectures ODSNDRCE 2X2 DUGAN ohne cssarenoctnos seecpnaslosousadsesecgeasesougad DANa ONAA TANEN a DANa sound DANa ANAE DAEA EAEan ees 9 3 1 1 PU ON A doce E E E iene cet oct actrees cen toct eet dece E T ene E ioscan E A EA senescent toneaccute 9 3 1 2 Preset Memory SEIS CTION iccccacosucscevesncstaxesuansivestwstusnduediasesvwstiesiuws suse ESPEN UONEKANE NE PEVE SKEPE EEEE V ENEP E EENI EEE EEEE EEEE 9 3 1 3 PMI E n eee ee a aes ee ea ese a re eee ese ea ce ea ese a ee eae ese es ee eae ese a we eae ese sk ese eae ese ena oe ae eee ee emma ones 9 3 1 4 E R I UNI OS aA E 10 3 1 5 Or OS WG CH CII ZS ase csanssoncceutionesansdodetanntonshasedenssaueseasiata
18. ng a configuration note that the following settings will not be saved as part of the configuration D o Master volume control from Remote o Source selection e g SPDIF AES EBU Toslink o Input mode Stereo Mono These settings being general platform settings rather than Configuration specific settings and therefore wouldn t be saved as part of a configuration 3 200 Restore Current configuration only Use this action to restore the current active configuration of your unit The remaining 3 configuration will be Un touched 3 2 4 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 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P14 memds p 3 3 IR remote learning feature In an effort to keep the platform compatible with the most common IR standards an IR learning feature is implemented This feature is compatible with the NEC Philips RC6 and Sony IR remote standards Learning an 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 Up to twelve commands are available for control from a remote They include Master Mute Volume Up Click to start the learning process
19. ng features when connected to the unit Main control window Contains controls for the selected tab Synchronize button Allows you to go online and gain control of your system Master Mute Mute all inputs amp outputs signal 3 1 2 Preset Memory selection The OpenDRC unit 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 Configuration Selection Config 1 Config Config 3 Config 4 N YX Ja WARNING By toggling configurations you may go from a working configuration i e correct volume setup Eq to an unknown l i or improperly configured configuration We therefore recommend that you perform a quick configuration offline without being connected synchronized to the processor to prevent any damage to your equipment 3 1 3 Main Tab The first step in configuring your OpenDRC consists in making sure audio is being fed to the input correctly The RMS meter will quickly indicate the average value of the input signal in ABFS Individual faders control the digital gain at the input and per channel mute status miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P9 minid sp Digital Inputs Custom l 2 Label Inputi Input2 Per channel RM
20. og Inputs Analog Outouts PC Control USB 2 0 LEFT CH1 RIGHT CH2 LEFT CH1 5VDC XLR for Analog XLR for Analog USB 2 0 Power Input Audio inputs Audio outputs PC Mac control 2 2 Typical setup The following diagram is a typical connectivity diagram for a basic setup with analog inputs analog outputs To prevent any damage make sure the board is turned OFF before doing any connection modifications Note that the computer is only required for initial configuration Source selection Volume Control Preset Recall PC MAC OpenDRC DI IR Remote for EE control DIGITAL AUDIO AES EBU Digital SOURCE SPDIF Audio IN SDRAM Toslink Optical DIGITAL AUDIO SPDIF Audio OUT Destination Toslink Optical AC DC External Supply po Mac PC control over USB 2 0 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice PS minid sp 2 2 1 DC Power connectivity OpenDRC AN requires a single 5VDC supply to operate A universal SMPS power supply is already provided along with the unit Here is a picture of the power supply provided along with the plugs 22 2 Analog Audio connectivity The OpenDRC AN can accept analog balanced or unbalanced signals for input and output If you do not wish to build custom cables many cables transformer adapters are readily available Signal Connector Analog Balanced Audio Balanced connectivity on Neutrik 3pin X
21. onnect your output sources and get your unit up amp running again If you have any questions feel free to get in touch with us 4 Technical Specifications Item Description Digital Signal Processor 32bit Floating point Andlog Devices SHARC ADSP21369 333MHz Control Driverless USB 2 0 control interface for Windows Mac OS x environments A computer is only required for the initial configuration Analog Audio inputs Balanced Audio connectivity on XLR Neutrik connector Pin 1 Shield Pin 2 Hot Pin 3 Cold ADC performance 114dB SNR Analog Audio outputs Balanced Audio connectivity on XLR Neutrik connector Pin 1 Shield Pin 2 Hot Pin 3 Cold DAC performance 114dB SNR Resolution 32bit Sample rate Depends on selected plug in Please consult plug in datasheet for more information on the operating sample rate of the DSP Sample rate Resolution Template FIR filter capabilities Important note FIR capabilities are controlled by the plug in used and not the hardware itself FIR filter storage Mono signal FIR filter with up to 12228 taps 48kHz 6144 96kHz Stereo signal FIR filter with up to 6144 taps ch 48kHz Please consult the plug in specs for more info FIR taps coefficients amp DSP configuration automatically loaded at bootup miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 17 mirn id s p USB port USB port type B
22. ot Enjoy Minimum System Requirements for software installation The software minimum requirements are as follow PC Environment 1 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 Microsofte NET framework v3 5 Adobe AIR environment latest version Adobe Flash player latest version QS oe eh 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 ea oS Package content Your OpenDRC AN package includes 1 x OpenDRC AN unit 1 x USB cable Type B 1 x 5VDC universal power supply with interchangeable plugs for US UK EU AU 1 x short step by step startup guide miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P3 memds p DISCLAIMER WARNING An incorrect DSP configuration could easily damage your audio system miniDSP Ltd can not be responsible for any damage that may result from the improper use of this prod
23. se from one of the following options miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P7 mamas p a Synchronize With this option the current plug in configuration will be loaded flashed to the OpenDRC 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 unit this button will disolay Synchronize amp Upgrade Meaning the OpenDRC 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 configuration upgrade 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 chang
24. tware 1 Click on Browse to find a bin file in the correct IEEE754 single floating point format Open Look in 70dB without_headroom J a Si chi KJ ice My Recent Documents Desktop My Documents My Computer g My Network File name Chi bd Places Files of type bin Files bin gt Cancel 2 File is being loaded to the user interface with a confirm message miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P11 minid sp FIR FILTER CHANNEL 1 FIR filter is bypassed 5000 10000 rine Send to DSP So File Mode Unload FIR file C Documents 20and 20Settings Workstation4 Desktop drc bin_for_Tony fiat_with 20headroom Ch1 bin 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 pop up to announce how many taps were loaded 3 1 6 2 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 automatically zero fill the remaining once you click the button Process FIR FILTER CHANNEL 1 FIR filter is bypassed 10000 rine Send to DSP File Mode
25. uct 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 audio processor board before connecting anything to the outputs of the unit loudspeakers other output sources Doing so will insure that you have the software correctly configured and won t cause any damage to your system Finally this unit 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 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 minid sp 2 System Connectivity 2 1 Connectivity Rotary Push Selected Preset Encoder Indicator Anal
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