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miniDSP Ltd, Hong Kong /

www.minidsp.com

/ Features and specifications subject to change without prior notice

Revision history

Revision

Description

Date

1.0

Initial version

26 Jan 2014

1.1

Corrected package contents and
time delay; links to app notes

11 Feb 2014

1.2

Additional items added to
Troubleshooting

12 Mar 2014

1.3

Ethernet connectivity.

30 June 2014

1.4

Bass management information
added, support portal link added.

28 Jul 2014

Содержание NANOAVR 8X8

Страница 1: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 1 NANOAVR 8X8 User Manual...

Страница 2: ...history Revision Description Date 1 0 Initial version 26 Jan 2014 1 1 Corrected package contents and time delay links to app notes 11 Feb 2014 1 2 Additional items added to Troubleshooting 12 Mar 2014...

Страница 3: ...Connecting to the nanoAVR 14 3 1 1 USB 14 3 1 2 Ethernet 14 3 1 3 Options 14 3 2 Global settings 15 3 3 Configure signal routing 16 3 4 Output channel setup 17 3 4 1 Channel label 17 3 4 2 Gain contr...

Страница 4: ...notice 4 5 1 What is acoustic measurement 30 5 2 Performing acoustic measurements 31 5 3 Adjusting equalizer settings 32 5 3 1 Manual method 32 5 3 2 Automated method 33 6 Additional information 34 6...

Страница 5: ...megabytes MB of RAM or higher Keyboard and mouse or compatible pointing device Microsoft Windows Vista SP1 XP pro SP2 Win7 Win8 1 Microsoft NET framework v3 5 or later Adobe AIR environment latest ve...

Страница 6: ...nfigured Finally note that the nanoAVR is a very flexible device and many of the questions we receive at the tech support department are already answered in this user manual and in the online applicat...

Страница 7: ...input allows connection of other devices such as media streaming devices gaming consoles computer based media players and so on Video from the selected input is switched directly to the output with n...

Страница 8: ...devices gaming consoles and computers with an HDMI port The output connector will be connected to an HDMI input on an A V receiver AVR or A V preamplifier AVP Ensure that your HDMI sources are set to...

Страница 9: ...plug to the 5 VDC power socket HDMI units communicate with a set of hand shaking signals in order to establish the capabilities of each device It is recommended that for at least the first time the sy...

Страница 10: ...ireless base station to be combined into a single unit In the setup illustrated the nanoAVR is connected via an Ethernet cable to the Ethernet router while the computer is connected to the LAN over Wi...

Страница 11: ...cedure below according to your computer type 2 2 1 Windows Prior to installing the miniDSP software download and install the following programs You will need to accept the license agreements in order...

Страница 12: ...s downloaded from click on Anywhere Then download and install the following programs You will need to accept the license agreements in order to successfully complete the installation Latest version of...

Страница 13: ...panel or a remote control see Using the nanoAVR below If desired however the user interface can remain connected during use for real time live control of all settings in the nanoAVR This screenshot s...

Страница 14: ...Hardware connectivity above Then click on the Connect button 3 1 2 Ethernet Connect the nanoAVR to your local area network by plugging in the Ethernet cable The following dialog will appear Click on C...

Страница 15: ...an update to the nanoAVR_8x8 plugin user interface Restore Config Restore the data in the currently selected configuration to the factory defaults When using this option the HDMI output device should...

Страница 16: ...ach input channel is switched to the corresponding output channel with 0 dB gain i e no change in level as shown in the above screenshot Any number of input channels can be mixed to each output channe...

Страница 17: ...nt 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 or no change in level The...

Страница 18: ...AK Create a dip or a peak in the 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 abo...

Страница 19: ...ed 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 spreadshee...

Страница 20: ...er 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...

Страница 21: ...sheet for a number of filter types is available on the miniDSP com website see the application note Advanced Biquad programming Each channel can be linked to one other channel When a channel is linked...

Страница 22: ...al on that channel reaches 20 dB relative to full output The ratio is set to 2 so if the input signal level to the compressor then increases by 10 dB the output level will increase by only 5 dB If the...

Страница 23: ...or the speakers is considered acceptable in cinema and the mixing studio see the Grammy paper Recommendations For Surround Sound Production The Low Frequency Effects LFE channel is used for additional...

Страница 24: ...details on the filter parameters see Crossover settings above The gain control blocks set the levels at which the low pass filtered signals from each channel are mixed together To set the gain right c...

Страница 25: ...nanoAVR is called a configuration The nanoAVR stores four configuration presets in its internal memory which can then be selected from the plugin user interface the front panel or via remote control T...

Страница 26: ...rface it will be downloaded to the nanoAVR next time it is synchronized Note because of the potential for a selected configuration to be in an unknown state we recommend that each configuration be sel...

Страница 27: ...ry default settings If the user interface is connected to the nanoAVR the configuration data on the nanoAVR all or just one configuration as selected will also be reset to factory defaults Otherwise t...

Страница 28: ...by a set of LEDs Preset Indicates the currently selected configuration preset 1 through 4 Input Indicates the currently selected HDMI input 1 or 2 M Master mute is enabled D Data communication betwee...

Страница 29: ...the learning process drop down the IR Remote menu and select IR learning Click on the Learn button for an operation and then press the desired button on the remote control If the code is accepted the...

Страница 30: ...e sound heard by listeners an acoustic measurement using a suitable microphone and computer software is required The figure below shows a typical frequency response measurement for the bass region usi...

Страница 31: ...se 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 It is also capable of many other t...

Страница 32: ...this peak by applying a corresponding dip in the frequency response with these filter settings Figure 3 Single PEQ band to correct response peak Other peaks can be treated in the same manner with add...

Страница 33: ...le Figure 4 illustrates a frequency response correction curve generated by Room EQ Wizard Figure 4 Auto EQ generated with Room EQ Wizard Filters generated by REW can be combined with manual filters To...

Страница 34: ...ing path 96kHz Video support Video pass through of selected source i e no video processing 36 bit 3D support HDCP embedded keys Audio processing Complete matrix mixer for routing of audio 8 channels i...

Страница 35: ...sconnect the Ethernet cable and reconnect it 5 No audio or video b Check that all HDMI cables are securely seated c Check that HDMI cables are plugged into the correct inputs and the correct outputs d...

Страница 36: ...n Then navigate to the directory C Program Files x86 miniDSP nanoAVR firmware_tools Windows Read the instructions in the file Firmware Upgrade Steps to update the firmware Do not disconnect the nanoAV...

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