miniDSP NANOAVR HD, User Manual

Page 1: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without priornotice 1 Home Theater Series NANOAVR HD NANOAVR HDA HIGH RESOLUTIONHDMI AUDIO PROCESSOR User Manual...

Page 2: ...ckage contentsandtime delay links to app notes 11 Feb2014 1 2 Additional itemsaddedtoTroubleshooting 12 Mar 2014 1 3 Ethernetconnectivity 30 June 2014 1 4 Bass managementinformationadded support porta...

Page 3: ...outputs nanoAVR HDA only 12 2 1 3 DC Power 13 2 1 4 USB 13 2 1 5 Ethernet 14 2 2 Software installation 15 2 2 1 Windows 15 2 2 2 Mac OS X 16 3 Configuring the nanoAVR 17 3 1 Connecting to the nanoAVR...

Page 4: ...s 33 4 2 Front panel controls 33 4 3 Infrared remote control 34 4 4 Smartphone control app 35 5 Acoustic measurement 36 5 1 What is acoustic measurement 36 5 2 Performing acoustic measurements 37 5 3...

Page 5: ...ded 512 megabytes MB of RAMor higher Keyboardandmouse or compatible pointingdevice Microsoft Windows Vista SP1 XPproSP2 Win7 Win8 1 Microsoft NETframeworkv3 5 or later Adobe AIRenvironment latestversi...

Page 6: ...ctdue to incorrectconnectionor installation improperorundocumenteduse unauthorizedservicing modificationoralterationof the unitinany way or any usage outside of thatrecommendedinthismanual If indoubt...

Page 7: ...HDMI cable PrintedQuick startGuide A NOTE ON THIS MANUAL ThisUser Manual isdesignedforreadinginbothprintandon the computer If printingthe manual please print double sided The embeddedpage size is8 x...

Page 8: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without priornotice 8...

Page 9: ...selectedHDMIinputis switcheddirectlytothe output withnovideoprocessingappliedtothe signal A user friendlycomputer basedinterface is usedtoconfigure the audioprocessingparametersof the nanoAVR inreal t...

Page 10: ...For example the analogoutputsof the nanoAVRHDA canbe connecteddirectlytoa multichannelpower amplifieranda poweredsubwoofer as illustratedinthe diagrambelow Inthiscase volume control isdone digitallyin...

Page 11: ...t The HDMI outputwill needtobe connectedtoan HDMI inputonan A V receiver AVR orA V processor AVP In the case of the nanoAVRHDA the HDMI outputcan be connecteddirectlytothe displaydevice TV monitor or...

Page 12: ...the nanoAVRHDA can be connecteddirectlytopoweramplificationand apowered subwoofer Theycanalsobe connectedto any otherequipment withmultichannel analoginputs suchasan A V receiver multichannel preamp o...

Page 13: ...nectthe DC plugto the 5 VDC powersocket HDMI unitscommunicate withasetof hand shaking signalsinordertoestablishthe capabilities of eachdevice Itisrecommendedthat forat leastthe firsttime the system is...

Page 14: ...m Ethernetrouter andwirelessbase stationtobe combinedintoasingle unit In the setupillustrated the nanoAVRisconnectedvia anEthernetcable tothe Ethernetrouter while the computeris connectedtothe LAN ove...

Page 15: ...2 2 1 Windows Priorto installingthe miniDSPsoftware downloadandinstallthe followingprograms Youwill need toaccept the license agreementsinordertosuccessfullycomplete the installation Microsoft NET fr...

Page 16: ...the text AllowApplicationsdownloadedfrom clickon Anywhere Then downloadand install the followingprograms Youwill needtoacceptthe license agreementsinorderto successfullycomplete the installation Late...

Page 17: ...ed the userinterfaceisnolongerrequired assource andpresetselectioncanbe done withthe front panel or a remote control see Usingthe nanoAVRbelow If desired however the userinterface canremain connectedd...

Page 18: ...ort see Hardware connectivityabove Thenclickon the Connectbutton 3 1 2 Ethernet Connectthe nanoAVRto your local area network byplugginginthe Ethernetcable The followingdialogwill appear Clickon Connec...

Page 19: ...ugin Restore Config Restore the data inthe currentlyselected configurationtothe factorydefaults Whenusingthis option the HDMI outputdevice shouldbe muteduntil youhave setthe configurationtoa workingst...

Page 20: ...setting Bydefault each inputchannel isswitchedtothe correspondingoutputchannel with0dB gain i e nochange inlevel as showninthe above screenshot Anynumberof inputchannelscanbe mixedtoeachoutputchannel...

Page 21: ...ovingthe GainAdjustmentslider orbytypingthe desiredgain intothe CurrentGain textbox The maximumgain settingis12 dB and the minimumgain settingis 72 dB 0 dB the default isunitygain orno change inlevel...

Page 22: ...types PEAK Create a dipor a peakinthe frequencyresponse LOW_SHELF Reduce or increase partof the frequencyspectrum below agivenfrequency HIGH_SHELF Reduce or increase partof the frequencyspectrum above...

Page 23: ...be createdby switchingto Advancedmode Inthismode the coefficientsof each filter biquad are enteredindividually The coefficientswill needtobe calculatedbya filterdesignprogram A useful spreadsheetforan...

Page 24: ...subwooferchannelwithan18 Hz highpassfilterand an 80 Hz low pass filter Each filtercan be setto one of a range of filtertypesandslopes The filtertype determinesthe shape of the filteraroundthe crossov...

Page 25: ...ful spreadsheetfora numberof filtertypesisavailable onthe miniDSP comwebsite see the application note Advanced Biquadprogramming Each channel can be linkedtoone otherchannel Whenachannel islinkedtoano...

Page 26: ...whenthe signal onthatchannel reaches 20 dB relative tofull output The ratioissetto2 soif the inputsignal leveltothe compressorthen increasesby10 dB the outputlevel will increase by only 5dB If the inp...

Page 27: ...esadedicatedtabforbassmanagement named LFEMgt Whenmoviesare mixedforthe cinema eachspeaker isspecifiedasa full bandwidth channel thatis 20Hz to 20 kHz although 40 Hz to 18 kHz forthe speakersisconside...

Page 28: ...ocksinthe outputchannels but onlyhave a single lowpassfilter Fordetailsonthe filterparameters see Crossoversettings above The gain control blocks labelledwiththe attenuation suchas 0 dB or 10 dB set t...

Page 29: ...ummed filteredbasssignal will be senttothe subwooferchannel asshownbelow The direct LFEinputsignal isnotsent to the subwooferonthisscreen asithas alreadybeenmixedintothe LFEMgt signal The Xover blocks...

Page 30: ...ote control The effectof changesmade inthe userinterface fall intotwocategories The userinterface is connectedto the nanoAVR The user interface is live that is any changesmade to the audioprocessingpa...

Page 31: ...gurationisnotlostif the nanoAVRisinadvertentlyreset A configurationfile storesall of the audio processingparametersexceptforthe mastervolume settingandthe HDMI inputselection To save the currentlysele...

Page 32: ...inthe user interface only Anychangescan thenbe made andthe configurationwill be downloadedtothe nanoAVRnext time itis synchronized 3 8 KEYBOARD SHORTCUTS The nanoAVRuserinterface supports the use of...

Page 33: ...The current statusof the nanoAVRisindicatedby aset of LEDs Preset Indicatesthe currentlyselectedconfigurationpreset 1through4 Input Indicatesthe currentlyselectedHDMIinput 1or 2 M Master mute isenabl...

Page 34: ...e Remote To initiate the learningprocess dropdownthe IR Remote menuandselect IRlearning Clickon the Learnbutton for an operation andthenpressthe desiredbuttononthe remote control If the code isaccepte...

Page 35: ...ttoa free port on yourEthernetrouteror switch The diagrambelow illustratesatypical case The networkmustbe capable of DHCP so that the nanoAVRwill be givenanIP network address Downloadandinstall the mi...

Page 36: ...inetoaffectthe soundheardby listeners anacousticmeasurementusing asuitable microphone andcomputersoftwareis required The figure belowshowsatypical frequencyresponsemeasurement forthe bassregion usingt...

Page 37: ...erthe course of a few seconds Afterplayingthe signal and recordingthe resultingaudio REWanalyzesthe capturedsignal anddisplaysafrequencyresponse plotas shownabove Itisalso capable of manyothertypesof...

Page 38: ...e can largelyremove this peakby applyingacorrespondingdipinthe frequencyresponse withthesefiltersettings Figure 3 Single PEQ band to correct response peak Otherpeakscan be treatedinthe same mannerwith...

Page 39: ...dimportthe file Figure 4 illustratesafrequencyresponse correctioncurve generatedbyRoomEQ Wizard Figure 4 Auto EQ generated with Room EQ Wizard FiltersgeneratedbyREW can be combinedwithmanual filters T...

Page 40: ...e rate Resolution Input outputresolution 24 bit 32 bitinternal DSP internal processingpath 96kHz Videosupport Videopass throughof selectedsource i e novideoprocessing 36 bit 3D support HDCP embeddedke...

Page 41: ...pluginrunning disconnectthe Ethernetcable and reconnectit 5 No audioor video b Checkthat all HDMI cablesare securelyseated c Checkthat HDMI cablesare pluggedintothe correctinputs and the correct outpu...

Page 42: ...ations subject to change without priornotice 42 h Checkthat the outputlevel metersare displayingsignal i Checkthat the HDMI outputdevice AVRorAVP isnot muted 7 Cannotreloada configuration a Confirmthe...

Page 43: ...form To update the MCU firmware 1 Downloadandinstall the latest nanoAVR_BMpluginfromthe UserDownloads sectionof the miniDSP website 2 Connectthe nanoAVRtoyour computerviaUSB 3 Start the nanoAVR_BM plu...

Page 44: ...lickon the Connectbutton The status displayshouldchange toshow thatthe program has connected 8 Clickthe Load HexFile button Browse tothe hex firmware file locatedinthe unzippeddownloadfolder and selec...

Page 45: ...Clickthe Run Applicationbuttonto rebootthe nanoAVR 11 Clickthe Disconnectbutton 12 Close the PIC32 Bootloader programwindow 6 4 OBTAINING SUPPORT 1 Checkthe forumson miniDSP com tosee if thisissue ha...