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nanoAVR HD and HDA User Manual

1. interference will not occurina particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the useris encouraged to try to correct the interference by one or more of the following measures e Reorient orrelocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet ona circuit different from that to which the receiver is connected e Consult the dealeroran experienced radio TV technician for help Notice Shielded interface cable must be used in orderto comply with emission limits miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 6 ni 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 nanoAVRHD HDA has passed the test performed according to European Standard EN 55022 Class B WHAT S INCLUDED Your nanoAVR package contains e One nanoAVR HD or nanoAVR HDA HDMI audio processor e Universal 5 VDC power supply with interchangeable power pins e One USB cable for computer connectivity e One Ethernet cable e One HDMI cable e Printed Quick start Guide A NOTE ON THIS MANUAL This User Manual is designed for reading in both print and on the computer If printing the manual pleas
2. turn mute on and off and to select from the four presets HDMI Source HDMI portl gt NANOAVR a H 192 168 121 141 hw Volume 1 How would you like to connect to your device Master Mute q z Dirac Live optional Wifi USB Presets i mini Preset3 Preset4 miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 35 ANNIN 5 ACOUSTIC MEASUREMENT To obtain most accurate equalization results with the nanoAVR acoustic measurement will be required This section provides a brief introduction For more information seethe Applications section of the miniDSP com website 5 1 WHAT IS ACOUSTIC MEASUREMENT An audio or home theater system has a frequency response on each channel which includes the response of the electronics the loudspeaker and the listening room In order to understand how these all combine to affect the sound heard by listeners an acoustic measurement using a suitable microphone and computer softwareis required The figure below shows atypical frequency response measurement for the bass region using the freeware program Room EQ Wizard In thisexample we are equalizing the subwoofer channel so the frequency scale from leftto right progresses from 10 Hz to 300 Hz The height of the solid red line indicates the measured SPL sound pressure level at each frequency Where there are anomalies such as peaks in the response these can be corrected e
3. 18 3 2 Eole EE E A A E E E E N EE eee A E EE 19 3 3 Configure signal rOUtINE se ee ae ne ee ee 20 3 4 Output channel se tU serrian eee en ee ene 21 3 4 1 CHANGING DOI arenose a E E E a 21 3 4 2 Gain controland level MOnItONNE crises A 21 3 4 3 Por C EC oeaan E RE E T 22 3 4 4 CPOS SOVET E IE Sae A REE EAI E E TE OENE E ENE EE OEE E EOI 24 3 4 5 Soli ee ne ee ee E EE ee E T 26 3 4 6 PNAS CASA AEE E AEE EEA A NAA estan a E eition da E E A aun edontee ts 26 3 4 7 eread TUN eee E E E E AEAEE E E EE E amcor E E E E 27 3 5 SEESE I E E A E E E E A E A E O ETT 27 3 6 Channel VIO OS eria ATE A O S E EE 29 3 7 Working with configurationS sesessesesesessrsesrsesesrrsrseserreseseserersrsesesesersrseseseesrseseeresrsesesrseeeesrsene 30 3 1 PEE aC ON U E a en ee ee ee ee A E eee 30 3 7 2 Saving and loading CONT CULATIONS cicadas iosceoncacdcscsesedusncernunannadsuncantumaanehindsanaereaevalegunsabeoaianse barons 31 miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 3 ANNIN 3 7 3 Restonne tO ae aU sa e E T E a 32 3 8 EVO ANG SMO ICU 5 ora E AE E 32 WS VV US TAINO R saarscarnsctecdogacnaacnsadeauen AE E E A 33 4 1 SEES MAIC CATONS a nations vena tieatiegee rats ndsioan EEE T E EE siesucteicmbunes 33 4 2 FOIE pner COMMUN eenaa a a E A A tance T ET O EE A 33 4 3 HATEN E CONT O aE S E E 34 4 4 smarte COMO aD Denar E E A E AAEE 35 Acoustic measurement sesccatvodvensen sycteavndoutiauqonn
4. CONFIGURE SIGNAL ROUTING Click on Routing in the Selection tabs The input channels are labeled along the left and the output channels along the top FL Out FR Out SUB Out CTR Out SL Out SR Out RL Out RR Out un ME FRI 008 CTR In ode sum 008 sR ode The LFE Mgt row is the output from the LFE Mgt screen Forinformation see Bass Management below Each cross point represents a switch that can either be turned off orturned on witha gain setting By default each input channel is switched to the corresponding output channel with OGB gain i e no change in level as shown inthe above screenshot Any number of input channels can be mixed to each output channel At each cross point the gain of the signal being mixed can be adjusted to a value between 72 and 12 dB To adjust the gain right click on the cross point and a gain control will appear Adjust the gain with the slider or by typing in the value directly This screenshot shows the gain control with two input channels mixed to one output channel each at 6 dB 6dB 12 on 6dB 12 a 24 36 48 60 12 f 6 close Note To rename aninput channel click on its label and type in anew name maximum of eight characters miniDSP Ltd Hong Kong www minidsp com Features and spe dfi cations subject to change without prior notice 20 o a i 4 E gt E 4 i gt y A ean a N 3 4 OUTPUT CHANNEL SETUP Click
5. Computer with HDMI or Thunderbolt port HDMI input HDMI output miniDSP nanoAVR UMIK 1 USB microphone Speaker under test Figure 2 Typical nanoAVR connection for acoustic measurement It is also possible to perform acoustic measurements using a test disk and an SPL meter This method is slower and less precise but can be used if the computer based method is not feasible MORE INFORMATION To set up your computer to use Room EQ Wizard and a UMIK 1 use one of the following application notes e Usingthe UMIK 1 and REW with HDMI output Windows e Usingthe UMIK 1 and REW with HDMI output Mac To learn more about how to analyse and understand the results of your measurements see e Acousticmeasurement with the UMIK Land REW miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 37 5 3 ADJUSTING EQUALIZER SETTINGS Once a frequency response plot of a channel has been obtained the parametric equalizers PEQ on that channel can be used to adjust or correct the frequency response In addition the PEQ can be used to tailorthe sound to preference For example many listeners prefer an elevated bass toa flat response 5 3 1 Manual method In the manual method we use the PEQuser interface directly to create filters that alter the frequency response For example in the response curve shown above thereisa significant peak at 59 Hz We can largely remove this pea
6. button Then Check that global mute is not enabled Check that individual channels are not muted Check that Master Volume is not at a low level Double check the routing screen to ensure that inputs are correctly routed to outputs miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice Check that the output level meters are displaying signal Check that the HDMI output device AVR or AVP is not muted Cannotreloada Confirm the file format of your file xml configuration Confirm the version of the file miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 42 ANANN DSP 6 3 MCU FIRMWARE UPGRADE miniDSP may periodically provide an update to the nanoAVR HD HDA MCU firmware to enable new features The most recent MCU firmware is always included in the installation folder of the plug in download Note that firmware update is currently supported only on the Windows platform To update the MCU firmware 1 Download and install the latest nanoAVR_BM plugin from the User Downloads section of the miniDSP website Connect the nanoAVR to your computer via USB Start the nanoAVR_BM plugin if itis not already running Click on the Connect button The button will display a green tick if connection is successful Se e I From the menus select Restore gt Upgrade Firmware The nanoAVR will be putint
7. on Outputs in the Selection tabs The output control screen will appear with each channel showing a strip of controls Channel label FL Out 12 Gain adjustment Level meter ae J 12 24 48 A0 Current RMS level Current gain a Pa Edit EQ crossover and compressor settings Time delay in ms a y Enable invert and mute 3 4 1 Channel label The name of each output channel is shown atthe top of the channel strip To rename a channel click onthe channel label and type anew name up to eight characters 3 4 2 Gain control and level monitoring The gain of each channel can be adjusted by moving the Gain Adjustment slider or by typing the desired gain into the Current Gain text box The maximum gain setting is 12 dB and the minimum gain setting is 72 dB 0 dB the default is unity gain orno change in level The signal level on each output channel displays in two locations on the bar graph meter and as a numeric value in dB relative to full scale in the RMS Level box The RMS level displays only when the user interface is connected to the nanoAVR The level meters are useful in many situations For example when adding filters with boost monitor the level meters with typical signals and maximum levels to ensure that there is noclipping The meters can also be used during normal operation to monitor for or to help locate level or gain structure problems miniDSP Ltd Hong Kong www mi
8. 2 0 control interface for Windows and Mac OS X Ethernet control RJ45 100Mbps with ZeroConf support autolIP DHCP 2 x HDMI 1 4a selectable from software front panelorIR remote Inputsample rate 32 192 kHz 1 x HDMI 1 4a output Output sample rate 96 kHz 8 unbalanced RCA outputs Outputlevel 2 Vrms Dynamicrange 103 dB THD 0 006 Output impedance 560 Ohms Input output resolution 24 bit 32 bit internal DSP internal processing path 96kHz Video pass through of selected source i e no video processing 36 bit 3D support HDCP embedded keys Complete matrix mixer for routing of audio 8channelsin 8 channels out 10 band parametric equalizer per channel peak notch low amp high shelf Per channel time delay gain control and level monitoring All settings controllable in real time from software user interface Up to 4 presets stored in local flash memory Learning remote capabilities NEC Philips Sony Apple Controls master volume mute HDMI input selection preset selection 5 VDCsingle supply 600mA 2 1 mm center positive 31 x 161 x 110 mm nanoAVR HD 47 x 161 x 110 mm nanoAVR HDA miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 40 6 2 TROUBLESHOOTING The following table lists the most common causes of issues with the nanoAVR If following this table does not provide asolution see Obtaining Support below Sympt
9. 5 a2 0 9796676811003843 Each channel can be linked to one other channel When achannel is linked to another the crossover settings of that channel are mirrored to the other Typically the corresponding left and right channels are linked front left and right surround left and right and rear surround left and right To link achannel select the other channel from the drop down menu atthe top left of the Xover screen and click the Link checkbox _ Link Select Channel FR Out SUB Out CTR Out SL Out miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 25 Ni 3 4 5 Compressor The compressor reduces the gain of an output channel when the audio signal reaches acertain level as specified by the Threshold parameter The gain of the channel will be progressivelyreduced as the signal increases above the threshold according to the Ratio parameter This can be used to limit the power delivered to speakers and thus reduce the risk of damage from overdriving This screenshot shows an example Compressor setting Threshold dBFs 2 20 10 18 Ratio i 34 Attack Time ms 42 40 ee Release Time ms 58 100 BR 74 lt 82 SUR Infinity 50 81 2 3 54 45 35 27 18 B 0 Note that the compressor algorithm is bypassed by default so click on the Bypass button to see the curve as shown here In this example the threshold is set to 20 dB so t
10. ANANN DSP Home Theater Series NANOAVR HD NANOAVR HDA HIGH RESOLUTION HDMI AUDIO PROCESSOR User Manual f y 10 20 w 100 200 600 4000 2000 5000 10000 20000 EQ EQ2 EQ3 EQ4 EQS EQ6 EQ8 EQ9 EQ10 FL Out FR Out SUB Out CTROu fm E nn E N o o oon 0 x an a oo A 2 CTR In ea gt am S LFE In zE gi ZE Off o sm o nr 2 CTR I Off gag SR in gt td ai SL In n E aN k AAP mw we o mo ee ln kl E o Preset Input Status www minidsp com a ete a rD G xXD essences e miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice hn Revision history Revision Description Joe 26 Jan 2014 1 1 Corrected package contents and time delay links 11 Feb 2014 to app notes Additional items added to Troubleshooting 12 Mar 2014 30 June 2014 1 4 Bass management information added support 28 Jul 2014 portal link added Update for Home Theater series 28 August 2014 L 6 Added nanoAVRHDA HDMI channel mode 17 March 2015 Smartphone app o Updated firmware upgrade procedure iOS app 20 May 2015 miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice ANNIN CONTENTS MOOT aie Mmo NaO Fossinn E EEE EEE E E Taa 5 System Regu uire Me MiS paserinan Ea EE IEEE NNE RIESEN EE EOE 5 DIS GV RAS NW IFA a E E E E E 6 W TO ei E E SEEE E T
11. Distance in cm 34 4 Or Time delay in ms Distance in inches 13 54 Click on arrows to increase and lower I y eee a deny in ms Ont 38 om 102x244 Click and type to enter Rollover shows equivalent distance 3 4 7 Invertand mute Each channel can be inverted in polarity and individually muted When either of these options is selected the display changes colorand the label of the button reflects the current state Channel is inverted a a Inverted Channel is muted Muted 3 5 BASS MANAGEMENT The nanoAVR_BM plugin includes a dedicated tab for bass management named LFE Met LFE Mgt Routing Outputs When movies are mixed for the cinema each speaker is specified as a full bandwidth channel that is 20 Hz to 20 kHz although 40 Hz to 18 kHz forthe speakers is considered acceptablein cinema and the mixing studio see the Grammy paper Recommendations For Surround Sound Production The Low Frequency Effects LFE channel is used for high level low frequency content and is fed to dedicated subwoofers in order to avoid overloading the speakers In atypical home theatre system some or all of the speakers are not capable of reproducing frequencies down to 40 Hz let alone 20 Hz The solution is bass management where low frequencies are filtered out from the speaker channels and sent to the subwoofer instead While 80 Hz isa common frequency used to separate content forthe subwoofer an
12. MI OUT e lo o SEZ OO Note that HDMI audio and the analog outputs are simultaneously active O S J RCE AN Always be sure to turn off all equipment before connecting or disconnecting audio signal cables miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 12 ANNIN DSP 2 1 3 DC Power The supplied 5VDC power supply includes a set of interchangeable power pins Fit the correct pins for your country Connect the DC plug to the 5 VDC power socket ETHERNET USB 2 0 DC 5V HDMI IN 1 HDMI IN 2 HDMI OUT 5 LJ A j L HCE HDMI units communicate with aset of hand shaking signalsin orderto establish the capabilities of each device It is recommended that for at least the first time the system is powered up with the nanoAVR connected equipmentis powered onin this order TV AVR nanoAVR source player 2 1 4 USB To configure the nanoAVR via USB connect the USB port of the nanoAVR to a USB 2 0 port on yourcomputer using the supplied cable ETHERNET USB 2 0 DC 5V HDMI IN 1 HDMI IN 2 HDMI OUT fa T MCE USB Type B connector USB Type A connector miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 13 e amp D g E hi ns l G m am aud 2 1 5 Ethernet To configure and control the nanoAVR over Ethernet connect an Et
13. S feat rep sae ETE EE EES 6 FECC B aO Mae R A E AE AE A A 6 CEM NOE an E SE N E A E E E E E E EE 7 Wharei 06 0 Eee ene E T E E E EE eee 7 Fe NO te Oi Lil Wai erea E E T ace encanta mganwieeaee 7 t VOCE Si WV anea E E bdo ucey E E E E nasties 9 1 1 Typical US dee Nano AVR HD aeaii ETEA EE a 9 1 2 Typical usage nanoAVR HDA ccsccsccsccsccsccsccecseccecoecsecececoecucececsecseseeseeseessesertsrsstssttreecesees 10 P E AN SUN o A E A E O A E ree pape AEE E ET E E E E esourate 11 2 1 Parawan E E 11 2 1 1 HOMINO aN OUMU ee E a E E EEO 11 2 1 2 Analog outputs nanoAVR HDA only cccecceecsecceecseeeecseceeccseeeeeeeeseeeeeeeeeeeeeesseceeeeeeeeceeeeees 12 2 1 3 DE PONOT orana pect aa AEE EIEE EEE E EE AAEE ENA A 13 2 1 4 U Borca E E E E A ecaedne ee eee 13 2 1 5 BE ES UO oeren E E E E E E E E A 14 2 2 SOWIE MS NaON ataacecoutteetaexcstes nance antuednsatuaantiaedaenced tetendractenacestenteaciantasateaeusnataenieeieedasateuentnneter 15 2 2 1 NOW S oases tecieseeeetern Seco banners E inte tatiana eiemnmntnaonn a 15 2 2 2 MaC Gen ne rte A A eee nS re ee ee ee eee eee eee 16 3 ALONEN Te MINOR VF csc heeestectencetaeacacnececencetesiouch ances E E A 17 3 1 COMME CUMS TOE NANO Ro acoceecradncnetdeteanersatsensnataceds E maaenarwenens 18 3 1 1 MS e EE tne settee alate etna Sin ve a eaten pion vine A ENE E TEE A nae aes antennae E 18 3 1 2 EU TG Uae ress he EATE ease EENES PAE E canter tdncubewe OE E T O T 18 3 1 3 OE ONE a A E E E E E
14. atures and specifications subject to change without prior notice 17 ANNIN 3 1 CONNECTING TO THE NANOAVR Communication with the nanoAVR can take place either over USB or Ethernet 3 1 1 USB Ensure that the computer is connected to the nanoAVR by a USB 2 0 port see Hardware connectivity above Then click on the Connect button Connect Connected 3 1 2 Ethernet Connect the nanoAVR to your local area network by plugging in the Ethernet cable The following dialog will appear DSP device detected IP address 192 168 1 7 Host name NANOAVR Connect Close Click on Connect to proceed 3 1 3 Options The first time you connect or if you have made any changes to any data in the userinterface the following dialog box will appear Itis recommended that the first time you connect use Restore Config to ensure aknown starting state Thereafter use Synchronize Config AnanoAVR kit with Serial 900999 was detected Please choose from one of the following options Synchronize Config Restore Config Help Cancel miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 18 hn The options are Synchronize Config Download the currently selected configuration into the corresponding configuration preset of the nanoAVR After downloading the configuration data the user interface remains connected to the nanoAVR and any changes to processing parameters will be downloade
15. com website see the application note Advanced Biquad Programming EQS EQ6 EQ PARAMETRIC EQ biquad1 come BAND 1 b0 0 9847963925996347 iA IMPORT 4 QAEIDEEQAQG ATIO PROCESS Basic FPI b1 1 9453066949643298 s OE a Each channel can be linked to one other channel When achannel is linked to another the PEQ settings of that channel are mirrored to the other Typically the corresponding left and right channels are linked front left and right surround left and right and rear surround left and right To link a channel select the other channel from the drop down menu atthe top left of the PEQ screen and click the Link checkbox FR Out C Link Select Channel FR Out SUB Out CTR Out SL Out miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 23 Ni 3 4 4 Crossover settings Each output channel has independent high pass and low pass filters Click on the Xover button to open the crossover settings window 5 3 12 15 18 21 24 27 30 10 20 50 100 200 500 1000 2000 5000 10000 20000 Advanced HIGH PASS FILTER SETTINGS LOW PASS FILTER SETTINGS Cut off frequency 18 Cut off frequency 80 Filter Type BW 48dBy oct Filter Type LR 24dB oct Bypass filter BYPASS Bypass filter BYPASS By default the crossover filters are bypassed disabled Click on the Bypass button to enable and disable a crossover filter There is one filter for high pass lo
16. d immediately in real time to the nanoAVR Thatis the nanoAVR is now live Synchronize and Upgrade This is similar to Synchronize Config but also upgrades the internal data of the nanoAVR This option may appear when connecting to the nanoAVR after an update to the plugin Restore Config Restore the data in the currently selected configuration to the factory defaults When using this option the HDMI output device should be muted until you have set the configuration toa working state Help This option brings up a help screen explaining the options Cancel This option cancels the attempt to connect to the nanoAVR The user interface willremain disconnected 3 2 GLOBAL SETTINGS The nanoAVR has four configuration presets stored in memory The pre sets can be selected from the plugin from the front panel orvia remote For more information on using configurations see Working with configurations below By default configuration 1is selected Configuration Selection Weupe Config 2 Config 3 Config 4 A drop down menu allows either HDMI 1 or HDMI 2 to be selected as the input source Source HDMI 1 Channel Mode 0M1 HDMI 2 The Mute button disables all audio output mx 5 n x Mute Muted The Channel Mode selector controls how the nanoAVR outputs audio over HDMI See Channel mode below miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 19 ANANN DSP 3 3
17. d speaker channels the bass management feature allows any frequency to be used and any mix of frequencies to be used across different channels miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 2 ANANN DSP FL In FR In LFE In CTR In SL In SR In RL In RR In OdB 0dB OdB OdB Above LFE Management screen an a TE OdB AB ZE Inset setting mix levels The input channels are low pass filtered in the LPF blocks and then summed into a combined low frequency signal The controls for each LPF block are similar to those seen in the Xover blocks in the output channels but only have a single low pass filter For details on the filter parameters see Crossover settings above o u 12 45 18 21 24 27 10 20 50 100 200 500 E vances Settings for 7 full range channels Tiny satellite speakers 150 200 Hz Small center surround bookshelf speakers 100 120 Hz Mid size center surround bookshelf speakers 80 100 Hz Large center surround and bookshelf speakers 60 80 Hz Very large center surround bookshelf speakers 40 60 Hz Setting for 1 LFE channel 120Hz 1000 2000 5000 10000 20000 LOW PASS FILTER SETTINGS Cut off frequency Hz 80 Filter Type LR 48dB oct Bypass filter BYPASS The gain control blocks labelled with the attenuation such as 0 dB
18. d these recently you should download and install the latest versions prior to running the miniDSP install program To install the miniDSP software open the Mac folder of the download and double click on the nanoAVR_BM dmg file to open it in a new window Then double click on the installer program Install nanoAVR_BM app Once installation is complete the nanoAVR plugin user interface will automatically start miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 16 ANNANN DSP 3 CONFIGURING THE NANOAVR The nanoAVR is configured with the nanoAVR_BM plugin userinterface program Once the nanoAVRis fully configured the user interface is no longer required as source and preset selection can be done with the front panel or a remote control see Using the nanoAVR below If desired however the userinterface can remain connected during use for real time live control of all settings in the nanoAVR This screenshot shows the nanoAVR_BM plugin with the key areas highlighted Main menu File Restore Help IR Remote Connect Global settings Selection tab Main FR Out SUB Out CTR Out SL Out configuration window Invert Invert Invert Mute Mute Mute qx O Master Mute Help control Invert Mute Note during initial configuration of the nanoAVR itis recommended thatthe connected HDMI output device be muted miniDSP Ltd Hong Kong www minidsp com Fe
19. e HDMI output can be connected directly to the display device TV monitor or projector ETHERNET USB 2 0 DC SV HDMI IN 1 HDMI IN 2 HDMI OUT f SS oS 5 LM A z gt MCE Oo Input Output Blu ray DVD Player A V Receiver A Ensure that your HDMI sources are setto produce linear PCM also referred to as PCM L PCM or LPCM on their HDMI outputs The nanoAVR does not decode compressed formats such as Dolby and DTS Some HDMI devices such as TVs only support basic HDMI Audio up to 48 kHz and will not respond to audio from the nanoAVR Use an A V receiver or preamp with 96 kHz support to decode HDMI audio Apple Macs witha Thunderbolt port can be connected to the nanoAVR with the use of a Thunderbolt to HDMI adapter cable miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 11 ANNIN 2 1 2 Analog outputs nanoAVR HDA only The analog outputs of the nanoAVR HDA can be connected directly to power amplification and a powered subwoofer They can also be connected to any other equipment with multichannel analog inputs such as an A V receiver multichannel preamp or mixing desk To amplifiers subwoofer receiver multichannel preamp i m er ir OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 OUT 8 ETHERNET USB 2 0 oa DC 5V HDMI IN 1 d erseoetesesereiesries HDMI IN 2 HD
20. e of the nanoAVR the software willbe available from the User Downloads section of the miniDSP website This link is visible when you have logged into the site with the account you created when purchasing User Menu User Downloads User Profile Account Maintenance User Orders gt Navigate to the nanoAVR section of User Downloads then to nanoAVRHD HDA downloads Download the zip file underthe heading nanoAVRHD HDA plug in Double click on it to unzip it Then follow the installation procedure below according to your computertype 2 2 1 Windows Prior to installing the miniDSP software download and installthe following programs You will need to accept the license agreements in order to successfully complete the installation e Microsoft NET framework version 3 5 or later e Latest version of Adobe Flash e Latest version of Adobe Air If you haven t updated these recently you should download and install the latest versions prior to running the miniDSP install program To install the miniDSP software open the Windows folder of the download and double click onthe nanoAVR_BM exe program We recommend accepting the default installation settings Once installation is complete the nanoAVR user interface will automatically start Since the nanoAVR checks for a network connection when starting up a warning such as the following may appear In this case click on Allow access miniDSP Ltd Hong Kong www minidsp com Features and s
21. e print double sided The embedded page size is 8 x 11 Printing on A4 paper will resultin a slightly reduced size For reading on the computer we have included hyperlinked cross references throughout the manual In addition atable of contents is embedded inthe PDF file which will make navigation much easier e In Adobe Reader on Windows click on the bookmarks icon at the left The table of contents will appearon the left and can be unfolded at each level by clicking on the icons e In Preview onthe Mac click onthe View menu and select Table of Contents The table of contents will appear on the left and can be unfolded at each level by clicking on the triangle icons miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice ANANN DSP miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice ANNIN 1 PRODUCT OVERVIEW The nanoAVR HD and nanoAVR HDA HDMI audio processors provide a comprehensive and sophisticated set of digital audio processing functions for eight channels of high resolution 24 bit 96 kHz HDMI audio The functions include bass management parametric equalization level adjustment mixing and routing and time delay All internal processing takes place at 96 kHz with sample rates up to 192 kHz accepted over HDMI Two HDMI inputs are provided and can be switched from the front panel or by an infrar
22. ed remote not included The accepted audio format is multichannel linear PCM LPCM Video from the selected HDMI inputis switched directly to the output with no video processing applied to the signal A user friendly computer based interface is used to configure the audio processing parameters of the nanoAVR in real time Up to four complete configuration presets can be stored Once configuration is complete the computeris no longerneeded andthe presets can be recalled from the front panel by aninfrared remote or witha smartphone app 1 1 TYPICAL USAGE NANOAVR HD In its most typical application the nanoAVR HD connects between an HDMI source such as a Blu ray player and an A V receiver providing an unmatched level of audio tuning flexibility for home theater applications The second HDMI input allows connection of a second device such as a media streamer or computer HTPC The HDMI outputis connected to an A V receiver which in turn drives the display TV monitor or projector powers a suite of loudspeakers and provides output to a subwoofer nanoAVR HD le A Y A NI OSS RM HDMI inputs HDMI output AN Receiver Blu ray DVD Player TV Monitor Projector Streamina media player Loudspeakers Powered subwoofer miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 9 ANNIN 1 2 TYPICAL USAGE NANOAVR HDA The nanoAVR HDA negates the need for an A V receiv
23. er to decode the audio component of the HDMI stream For example the analog outputs of the nanoAVR HDA can be connected directly to a multichannel power amplifier and a powered subwoofer as illustrated in the diagram below In this case volume control is done digitally inthe nanoAVR HDA itself using a remote control orthe miniDSP smartphone app The analog outputs of the nanoAVR HDA can also be connected to multichannel analog inputs of an A V receiver A V preamp or any other component with multichannel analog inputs nanoAVR HDA HDMI output TV Monitor Projector fo o o oe o om InsP HDMI inputs Analog audio 7 1 Powered Multichannel subwoofer power amplifier Blu ray DVD Player P LO Streaming media player b Loudspeakers miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 10 ANNIN 2 INSTALLATION AND SETUP 2 1 HARDWARE CONNECTIVITY All connections to the nanoAVR are made on the rear panel 2 1 1 HDMlinput and output Two HDMI connections are available for input and one for output The input connectors can be connected to any HDMI source suchas a Blu ray or DVD player Other sources may include media streaming devices gaming consoles and computers with an HDMI port The HDMI output will need to be connected to an HDMI input onan A V receiver AVR or A V processor AVP In the case of the nanoAVRHDA th
24. exible device and many of the questions we receive atthe tech support department are already answered inthis user manual and inthe online application notes onthe miniDSP com website So please take the time to carefully read this user manual and the online technical support Thanks for your understanding WARRANTY TERMS miniDSP Ltd warrants this product to be free from defects in materials and workmanship for a period of one year from the invoice date Our warranty does not cover failure of the product due to incorrect connection or installation improper or undocumented use unauthorized servicing modification or alteration of the unitin any way or any usage outside of that recommended inthis manual If in doubt contact miniDSP priorto use FCC CLASS B STATEMENT This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions e This device may not cause harmful interference e This device must accept any interference received including interference that may cause undesired operation Warning This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause interference to radio communications However there is no guarantee that
25. f correction filters 3 Exportthe generated filtertoafile 4 Setthe nanoAVR parametricfilters to Advanced mode andimportthe file Figure 4 illustrates a frequency response correction curve generated by Room EQ Wizard 10 20 50 100 200 500 1000 2000 6000 10000 20000 PARAMETRIC EQ biquad1 CLEAR BAND 1 b0 0 9983552279164896 IMPORT b1 1 9955474641121116 PROCESS Basic Advanced Advanced BYPASS Figure 4 Auto EQ generated with Room EQ Wizard Filters generated by REW can be combined with manual filters To do so use EQ7 through EQ10 forthe manual filters When an REW file is imported it willload into EQ1 through EQ6 MORE INFORMATION To learn howto use the auto EQ feature of Room EQ Wizard see this application note e Auto EQtuning with REW For complete step by step guides to equalizing yourhome theater system with the nanoAVR and configuring bass management see the following application notes e Equalizing yourhome theater system with the nanoAVR and UMIK 1 e Bass management withthe nanoAVR miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 39 ANNIN 6 ADDITIONALINFORMATION 6 1 SPECIFICATIONS Computer connectivity HDMI inputs HDMI outputs Analog outputs nanoAVR HDA only Audio sample rate Resolution Video support Audio processing Storage presets Infrared remote Power supply Dimensions H x W x D Driverless USB
26. he compressor will activate when the signal on that channel reaches 20 cB relative to full output The ratioissetto 2 soif the input signal levelto the compre ssor then increases by 10 dB the output level will increase by only 5dB If the input signal level to the compressor is at full scale 0 dB then the output level will be limited to 10 dB Two additional parameters control the action of the compressor the attack time and the release time These two parameters govern how quickly the compressor activates when the signal level exceeds the threshold and how quickly it deactivates when the signal level reduces The optimum settings may need to be tuned by ear For more information see the Wikipedia article Dynamicrange compression 3 4 6 Timedelay A delay of up to 80 ms can be applied to each output channel To set the delay clickin the delay entry box fora channel The delay value can be entered numerically and the up and down arrows can be used to change the delay in small 0 02 ms increments miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 26 ni The time delay corresponds toa distance This distance is shown in cm when the cursor is hovered over the time delay box The maximum time delay of 80 ms corresponds toa distance of approximately 27 5 meters about 90 feet Time delay can be calculated from distance using one of the following formulae Time delay in ms
27. hernet cable from the nanoAVR s Ethernet port to a free port on your Ethernet router or switch The diagram below illustrates a typical case where the Ethernet router also acts as a wireless base station and isin turn connected to an ADSL cable modem It is also common for the ADSL cable modem Ethernet router and wireless base station to be combined intoasingle unit In the setup illustrated the nanoAVR is connected via an Ethernet cable to the Ethernet router while the computeris connected to the LAN over Wi Fi The network must be capable of DHCP so that the nanoAVR will be givenan IP network address ADSL Cable Modem Ethernet router wireless basestation isco be CAT 5 CAT 6 network cable Ifa local area network is not available or the network does not support DHCP itis still possible to communicate with the nanoAVR over Ethernet by connecting the two devices directly with an Ethernet cable In this case auto IP link local addresses will be assigned For this to work correctly your PC must be set to allow automatic IP addresses thatis it must not be setto a static IP address THERN HDMI IN 1 HDMI IN 2 ETHERNET USB 2 0 DC 5V HDMI OUT SVJ a sjm C ACE CAT 5 CAT 6 network cable miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 14 ANNIN 2 2 SOFTWARE INSTALLATION Subsequent to your purchas
28. k by applying a corresponding dip in the frequency response with these filter settings 10 20 50 100 200 500 1000 2000 5000 10000 20000 PARAMETRIC EQ Filter type D D BAND 1 me Basi Advanced F 59 Gain 12 0 35 vance dis a ai Q BYPASS Figure 3 Single PEQ band to correct response peak Other peaks can be treated in the same manner with additional PEQ bands Dips in the frequency response can be treated with a corresponding peak filter but care should be taken when boosting the response not to use too much boost or to use high Q filters Too much boost can cause signal clipping and narrow dips are typically caused by acoustic cancellations inthe room and cannot be removed with EQ Shelving filters can also be used to alter the frequency response For example if more weightin the bass is desired this can be accomplished with alow shelf filter with some boost of 3 to 6 dB Or if less high treble emphasis is desired this can be accomplished witha gentle high shelf filter with a few dB cut at high frequencies miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 38 e amp D g E hi ns l G m 5 3 2 Automated method Room EQ Wizard can be used to automatically calculate a set of parametric equalization filters In brief the procedure is as follows 1 Run a frequency response measurement with REW 2 Inthe REW Equalization window generate a set o
29. l be downloaded to the nanoAVR immediately and audio processing will recommence with the new configuration If itis not the configuration willbe loaded into the userinterface only and will be downloaded to the nanoAVR the next time itis synchronized Tip To copy a configuration from one preset to another simply save the configuration toa file then selecta different preset and load the file miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 31 ni 3 7 3 Restoring to defaults Configurations can be reset to the factory defaults from the Restore menu There are two options Factory Default This selection clears all configuration data and resets all four configuration presets to the factory default settings Current Configuration Only This selection clears only the currently selected configuration preset and resets its data to the factory default settings If the userinterface is connected to the nanoAVR the configuration data on the nanoAVR all orjust one configuration as selected will also be reset to factory defaults Otherwise the reset will take place in the user interface only Any changes can then be made and the configuration will be downloaded to the nanoAVR next time itis synchronized 3 8 KEYBOARD SHORTCUTS The nanoAVR user interface supports the use of the keyboard for many operations Tab The Tab key moves the focus from the current user interface elementt
30. lectronically in the nanoAVR In the graph the blue line shows the measured frequency response after correction with the parametric equalizer PEQ onthe subwoofer channel 100 50 Fa N gt BO Pa he Ng m en M TA Fi A P ai hbi _ n A oe a Y i 70 a e ae kva Pra i iv Bo Ad 4 rat gofa 40 10 70 30 40 50 6 0 7G 0 90 100 700 300 Hz Figure 1 Sample bass frequency response measurement before and after applying PEQ miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 36 ANNIN 5 2 PERFORMING ACOUSTIC MEASUREMENTS To perform an acoustic measurement connect a computer with HDMI or Thunderbolt output to one of the inputs of the nanoAVR and selectthatinput The miniDSP UMIK 1 measurement microphone or other measurement hardware can be connected to a USB input onthe computer The Room EQ Wizard REW program can then be used to generate atest signal that plays through the system and each speakerinturn This program uses a swept sine wave technique which is a signal that starts at low frequencies and gets higher in frequency over the course of a few seconds After playing the signal and recording the resulting audio REW analyzes the captured signal and displays a frequency response plot as shown above Itis also capable of many other types of analysis that you can use to optimize your audio orhome theatersystem A V Receiver
31. meters of the newly selected configuration If this configuration is changed in the userinterface it will be downloaded to the nanoAVR next time itis synchronized recommend that each configuration be selected and checked initialized prior to connecting to the Note because of the potential fora selected configuration to be in an unknown state we Ay nanoAVR forthe first time 3 7 2 Saving and loading configurations Configurations can be saved to and loaded from files Each configuration is stored in a separate file Itis strongly recommended that each configuration programmed into the nanoAVR be saved toa file to ensure that the configuration is not lostif the nanoAVR is inadvertently reset A configuration file stores all of the audio processing parameters except forthe master volume setting and the HDMI input selection To save the currently selected configuration toa file drop down the File menu then select Save and then Save current configuration In the file box select alocation and name of the file and save it F R He ile estore Ip IR Remote Load p Save p Save current configuration To load a configuration first select the configuration preset that you wish to load the parameters into Then drop down the File menu select Load and then Load configuration to current slot File Restore Help IR Remote Load configuration to current slot korai nanoAvr Ifthe userinterface is live the loaded configuration data wil
32. n Mac OS X e Intel based Mac with 1 GHz or higher processor clock speed e 512 megabytes MB of RAM or higher e Keyboard and mouse or compatible pointing device e Mac OS X 10 4 or higher e Adobe AIR environment latest version e Adobe Flash player latest version Both Platforms For USB connectivity e USB 2 0 port For Ethernet connectivity via LAN e Ethernet router with spare 100 Mbps port For direct ZeroConf Ethernet connectivity e Ethernet port on computer with 100 Mbps capability Apple Macs a Thunderbolt port with a Thunderbolt to Ethernet adapter miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 5 ANNIN DISCLAIMER WARNING miniDSP cannot be held responsible for any damage that may result from the improper use of this product or incorrect configuration of its settings As with any other product we recommend that you carefully read this manual and other technical notes to ensure that you fully understand how to operate this product The nanoAVRisa powerful tool and misuse or misconfiguration such as incorrectly set gains or excessive boost can produce signals that may damage your audio system As a general guideline you should perform the initial configuration of your nanoAVR before enabling audio through any connected output device or amplification Doing so will help ensure that the software is correctly configured Finally note that the nanoAVR isavery fl
33. nidsp com Features and specifications subject to change without prior notice 21 ANNIN 3 4 3 Parametric EQ Parametric equalization PEQ isa flexible type of equalization filter Itcan be used to correct for errors in loudspeaker output to compensate for acoustic room effects and to tailor the overall system response for best sound Click on the PEQ button to open the parametric equalizer settings window 10 20 50 100 200 500 1000 2000 5000 10000 20000 EQ6 EQ PARAMETRIC EQ m Filter type BAND 1 LOW_SHELF Advanced Frequency 100 Gain 6 0 Q 09 BYPASS In the center of the window is afrequency response graph that illustrates the combined response of all enabled parametricfilters on that channel The screenshot above shows aresponse curve created with alow shelf boost filter at 100 Hz a dip at 500 Hz and a high shelf cut filter at 5000 Hz There are ten filters per channel each of which is displayed by clicking on the buttons EQ1 EQ2 and so on Each filter can be set to one of four types PEAK Create a dip ora peak inthe frequency response LOW_SHELF Reduce or increase part of the frequency spectrum below a given frequency HIGH_SHELF Reduce or increase part of the frequency spectrum above a given frequency SUB_EQ Create a dip ora peak inthe frequency response at low frequencies 10to 50 Hz This filter type is similarto PEAK but gives more accurate results for low frequencies Note that activating any SUB_EQ filte
34. o bootloader mode indicated by just the Preset 1 LED flashing on the front panel The PIC32 Bootloader application will automatically start 6 Checkthe Enable checkbox in the USB pane near the bottom of the window Communicston Setings Serial Port Com Port Baud Fate oom 11550 j l Enable Check this box LSB vID PID Fii Bei miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 43 INN DSP 7 Clickon the Connect button The status display should change to show that the program has connected Device connected Bootloader Firmware Version 1 0 Communication Settings Serial Port Com Port Baud Rate comi 115200 Enable USB 8 Clickthe Load Hex File button Browse to the hex firmware file located in the unzipped download folder and selectit This file willhave aname like nanoAVR_v1_23 hex The status will show that the hex file has loaded successfully i verity Run Application Erase Frogram Verify Bootloader Firmware Version 1 0 Hex file loaded successfully com 115200 Enable miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 44 9 Clickthe Erase Program Verify button The progress bar will update After some time the status will update to show successful completion ax Bootloader Ver Erase Program Verify R
35. o the next A light blue surrounding box usually indicates the user interface element with the focus Forexample after changing the gain of an output channel the Tab key moves the focus to the next channel so that the arrow keys can be used to change that channel s gain Shift Tab moves the focus in the opposite direction Up down arrows The up down arrow keys andin some cases the left right arrow keys adjust the value of many parameters e Output channel gain e Crossover frequency and filter type e PEQ filter frequency gain and Q Space The Space bar toggles buttons that have two states such as Bypass Invert and Mute miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 32 ANNIN 4 USINGTHE NANOAVR Once configured the computer is not required to operate the nanoAVR The front panel an infrared remote or the miniDSP smartphone app can be used to control e Preset selection HDMI input selection Master volume remote control and smartphone app only Master mute remote control and smartphone app only Note changing the selected configuration preset from the front panel or remote control while the user interface is connected will disconnect the user interface 4 1 STATUS INDICATORS The current status of the nanoAVR isindicated by a set of LEDs Preset Indicates the currently selected configuration preset 1 through 4 Input Indicates the curren
36. oms Troubleshooting recommendation Cannotinstall software Confirm that you downloaded and installed the required frameworks first see Software Installation Software running in The Adobe Airenvironment may require aversion update background but not Connect your PC to the Internet to automatically get an showing update or download manually from http get adobe com air Cannot connect to the Resetthe board by power cycling the unit board by USB Make sure the unitis seen in the device managerasa HID device Cannot connectto the Withthe plugin running disconnect the Ethernet cable and board by Ethernet reconnectit No audio or video Checkthat all HDMI cables are securely seated Check that HDMI cables are plugged into the correct inputs and the correct outputs Check that each unit TV AVR nanoAVR has the correct HDMI input selected Check the source is actually playing video and audio Power cycle the system Turn off all equipment and after waiting a minute turn equipment on again inthe following order TV display AVR or AVP nanoAVR source player Leave a few seconds between powering on each unit Video but no audio Check that yoursource playeris set to output Linear PCM over HDMI the nanoAVR does not decode compressed formats such as Dolby or DTS Check that your audio device supports 96 kHz sample rate some devices such as TVs support only 48 kHz Start the userinterface and press the Connect
37. or 10 dB set the levels at which the low pass filtered signals from each channel are mixed together To set the gain right click on the box and use the slider or type directly into the entry box Then click Close To turn off low frequency mixing fora channel simply click on the gaincon trol box to setit to Off miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 28 SNNN DSP Note that the mix levels forthe speaker channels are normally set 10 dB lower than the LFE channel see the application note Bass Management with the nanoAVR for full details The Routing screen provides the output from the LFE Mgt tab as the bottom row By default the summed filtered bass signal will be sent to the subwoofer channel as shown below The direct LFEinput signal is not sent to the subwoofer on this screen as it has already been mixed into the LFE Mgt signal FL Out FR Out SUB Out CTR Out SL Out SR Out RL Out RR Out on E CTR 1n od LFE In T ode eR Ir ode The Xover blocks on the Output screen mustalso be used to create matching high pass filters for each speaker channel Fora full setof instructions on how to use bass management see the application note Bass Management with the nanoAVR 3 6 CHANNEL MODE The number of audio channels that the nanoAVR signals on its HDMI output to the downstream HDMI device is selected by the Channel Mode dropdown selector So
38. pecifications subject to change without prior notice 15 ANNANN DSP e Windows Firewall has blocked some features of this program Windows Firewall has blocked some features of nano AWR on all public and private networks Name CIHMA Publisher Unknown Path C program files 86 minidsp nanoavr nanoavr exe Allow nanoAVR to communicate on these networks M Private networks such as my home or work network E Public networks such as those in airports and coffee shops not recommended because these networks often have litte or no security What are the risks of allowing a program through a firewall a Allow access 2 2 2 MacOSX On versions of OS X from 10 7 Lion and later you will need to inform the GateKeeper program that it is OK to install and run this software Go to System Preferences then click on Security amp Privacy and select the General tab 1 Click on the padlock icon in the lowerleft corner and enter your password in orderthat you can make changes to the settings 2 Under the text Allow Applications downloaded from click on Anywhere Allow applications downloaded from __ Mac App Store __ Mac App Store and identified developers e Anywhere Then download and install the following programs You will need to accept the license agreements in orderto successfully complete the installation e Latest version of Adobe Flash e Latest version of Adobe Air If you haven t update
39. rreduces the number of available filters on that channel from ten to nine Each filter has three parameters that control its location and shape These parameters can be entered directly as numerical values orby using the sliders Frequency For the PEAK and SUB _ EQ filtertypes this is the center frequency of the peak ordip For the HIGH SHELF and LOW_ SHELF filter types this is the frequency at which the gain is half of the set value Gain For the PEAK and SUB _EQ filtertypes this isthe gain in dB at the center frequency Forthe HIGH SHELF and LOW_ SHELF filtertypes this is the gainin dB reached at high or low frequencies respectively miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 22 Q Q controls the sharpness of the filter Forthe PEAK and SUB _EQ filtertypes lowerQgivesa shallower peak or dip while higher Q gives a narrower peak or dip For the HIGH SHELF and LOW_ SHELF filtertypes Qcontrols how quickly the filtertransitions from no gain to maximum gain To disable or enable a filter click onthe Bypass button A filter willalso have no effect if its gainis set to 0 0 Other filter types can be created by switching to Advanced mode In this mode the coefficients of each filter biquad are entered individually The coefficients will need to be calculated by a filter design program A useful spreadsheet foranumber of filter types is available onthe miniDSP
40. saseupnnanencon E ETE asad 36 5 1 What is ACOUSTIC Measurement l sasssssinersdavianssssaienvsdspsovedsedsnsderddntwsteasechberdetseantenbnltxcatnbentenietauineaseed 36 5 2 Perorming ACOUSTIC measurement S einrsrnra a aia EARN 37 5 3 Adj stng equalizer settiNgS sssreisnsesoneitinni n a ia E a iea 38 5 3 1 MONEO ae R E E E E T A E 38 5 3 2 Autom ALEC me UNO CE esaia e E ET E E N 39 AURON LIAO sra E E E E EE E 40 6 1 PEACOAT A E cette ce E E S E A E 40 6 2 TOUDE SO OUI a O E E E eaeueeaseunceecrsnces 41 6 3 MCU Firmware UpEr dE sisena EE T 43 6 4 OptaNINE UDO asne EET E E E 45 miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 4 ANNIN IMPORTANT INFORMATION Please read the following information before use In case of any questions please contact miniDSP via the support portal at minidsp desk com SYSTEM REQUIREMENTS To configure the nanoAVR you will require aWindows PCor Apple Mac OS X computer with the following minimum specification Windows e PC with 1GHz or higher processor clock speed Intel Pentium Celeron family or AMD K6 AMD Athlon AMD Duron family or compatible processor recommended e 512 megabytes MB of RAM or higher e Keyboard and mouse or compatible pointing device e Microsofts Windows Vista SP1 XP pro SP2 Win7 Win8 1 e Microsofte NET framework v3 5 or later e Adobe AIR environment latest version e Adobe Flash player latest versio
41. sing parameters in the userinterface are downloaded immediately to the nanoAVR The effect of these changes will thus be audible as the changes are made The userinterface is not connected to the nanoAVR Changes made to the audio processing parameters will be made locally inthe userinterface only The next time the userinterface is connected to the nanoAVR the audio processing parameters will be downloaded to the nanoAVR as long as the Synchronize Config button is selected Changes are not lost between quitting and restarting the user interface 3 7 1 Selecting a configuration The current configuration is selected by one of the four buttons in the Configuration Selection area By default configuration 1is selected Configuration Selection Wenig Config 2 Config 3 Config 4 To switch to a different configuration click on a different button If the interface is live real time processingin the nanoAVR will be updated to the newly selected configuration and audio processing will then continue If however the selected configuration has changed in the user interface since the newly selected configuration was last synchronized to the nanoAVR then adialog will appear asking you if you want to synchronize the local configuration to the nanoAVR miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 30 nnn Ifthe userinterface is not connected then the screen willupdate to show the para
42. te Volume Up Volume Down HDMI Source Config Inc Config Dec Config 1 Config 2 Config 3 Config 4 ss cas gs WO ca Learn Learn Learn Learn Learn Learn Learn Learn Learn Learn The commands Config Inc and Config Dec can be used to change the selected configuration preset up or down This can be used instead of Config 1 Config 2 and so on Once programmed check that the programmed buttons perform the expected function Note changing the selected configuration preset with the remote will cause the userinterface to disconnect miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 34 ANNANN DSP 4 4 SMARTPHONE CONTROL APP The nanoAVR HD and nanoAVRHDA can be controlled with the miniDSP control app for Android and iOS Apple smartphones and tablets To control the nanoAVR over the network connect an Ethernet from the nanoAVR s Ethernet port to a free port on your Ethernet router or switch The diagram below illustrates atypical case The network must be capable of DHCP so that the nanoAVR will be given an IP network address ETHERNET uss 2 0 Dc SV HDMi OUT A F Uy Oo ADSL Cable Modem NANOAVR Ethernet router wireless basestation C4 uE vy CAT 5 CAT 6 network cable Select Wifi and then your nanoAVR From here the screen allows you to select the HDMI input control volume
43. tly selected HDMI input 1or 2 M Master mute is enabled D Data communication between the userinterface and the nanoAVRis active 4 2 FRONT PANEL CONTROLS The nanoAVR uses a minimalist physical control design with a single control button To change the selected configuration preset Briefly press the control button The selection LED blinks quickly Briefly press the button to move to the next preset and repeat until the desired preset LED is lit Press and hold the control button and the LED will now remain steady To change the selected input Press and hold the control button The LED indicating the selected HDMI input will switch to the other input Release the button miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 33 ANNIN 4 3 NFRARED REMOTE CONTROL Many standard and programmable remote control units can be used with the nanoAVR Instead of adding another remote to your collection the nanoAVR can learn the control codes of your current remote if it supports one of the following remote control codes e NEC e Sony e Philips RC6 e Apple Remote To initiate the learning process drop down the IR Remote menu and select IRlearning Click on the Learn button for an operation and then press the desired button on the remote control If the code is accepted the status will change to show a tick This screenshot shows the IR learning screen Master Mu
44. un Application Erase Program Verify Disconnect Device connected Bootloader Firmware Version 1 0 Hex file loaded successfully Flash Erased Programming completed Verification successfull AS PIC32 Bootloader Application V1 0 Communication Settings Serial Port Com Port Baud Rate comMi 115200 Enable USB VID PID ox4D38 Ox3c W Enable A DO NOT DISCONNECT THE USB CABLE OR POWER FROM THE NANOAVR WHILE THIS IS IN PROGRESS DOING SO MAY BRICK YOUR NANOAVR 10 Clickthe Run Application button to reboot the nanoAVR 11 Click the Disconnect button 12 Close the PIC32 Bootloader program window 6 4 OBTAINING SUPPORT 1 Checkthe forums on miniDSP com to see if this issue has already been raised and a solution or solutions provided 2 Contact miniDSP viathe support portal at minidsp desk com with a Thespecific product you are having anissue with inthis case nanoAVR HD or nanoAVR HDA b Aclearexplanation of the symptoms you are seeing c A description of the troubleshooting steps see Troubleshooting above you performed and the results obtained miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 45
45. urce HDMI 1 Master Volume Channel Mode miniDSP Ltd Hong Kong www minidsp com Features and spe dfi cations subject to change without prior notice 29 Auto The number of output channels signaled is the same as receives on the selected Forexample if the selected source signals that HDMI audio is carrying a stereo signal the nanoAVR passes this to its output If the source signals that HDMI audio is carrying six channels 5 1 the nanoAVR passes this to its output And so on Stereo The nanoAVR always signals stereo output regardless of the number of input channels 4 0 The nanoAVR always signals four channel output regardless of the number of input channels 5 1 The nanoAVR always signals six channel output regardless of the number of input channels 7 1 The nanoAVR always signals eight channel output regardless of the number of input channels The setting of Channel Mode has no effect on the analog output channels nanoAVR HDA only 3 7 WORKING WITH CONFIGURATIONS The complete set of data that controls the audio processing of the nanoAVR is called a configuration The nanoAVR stores four configuration presets in its internal memory which can then be selected from the plugin userinterface the front panel or via remote control The effect of changes made inthe userinterface fall into two categories The user interface is connected to the nanoAVR The user interface is live that is any changes made to the audio proces
46. w cut and one for low pass high cut The above example shows a pair of filters for the subwoofer channel with an 18 Hz high pass filter and an 80 Hz low pass filter Each filter can be set to one of a range of filter types and slopes The filter type determines the shape of the filter around the crossover point and the filter slope expressed in dB octave determines how steep the filter cutoff is The available filter types and slopes are Butterworth BW Available in 6 12 18 24 30 36 42 and 48 dB octave Butterworth crossover filters are 3 dB down at the cutoff frequency Linkwitz Riley LR Available in 12 24 and 48 dB octave Linkwitz Riley crossover filters are 6 dB down at the cutoff frequency Bessel Available in 12 dB octave only a Bessel filter gives a more gradual roll off through the crossover region miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 24 nnn For other types of filter and filter slopes use Advanced mode This mode allows you to enter the coefficients of eight biquads directly into the interface The coefficients will need to be calculated by a filter design program A useful spreadsheet fora number of filter types is available on the miniDSP com website see the application note Advanced Biquad programming biguad1 bO 0 000027136608757459585 b1 0 00005427321751491917 PROCESS b2 0 000027136608757459585 BYPASS a1 1 979559134665354

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