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miniDSP Ltd, Hong Kong 

www.minidsp.com

 / Features and specifications subject to change without prior notice

 

Finally, note that the miniDSP audio processor 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 onlin

application notes

 o

the miniDSP.com website. So please take the time to carefully read this user manual and the online technical 
support. Thanks for your understanding! 

W

ARRANTY 

T

ERMS

 

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 unit in any 
way, or any usage outside of that recommended in this manual. If in doubt, contact miniDSP prior to use. 

FCC

 

C

LASS 

B

 

S

TATEMENT

 

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 

 

This device may not cause harmful interference. 

 

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 
interference will not occur in a 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 user is encouraged to 
try to correct the interference by one or more of the following measures: 

 

Reorient or relocate the receiving antenna. 

 

Increase the separation between the equipment and receiver. 

 

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 

 

Consult the dealer or an experienced radio/TV technician for help. 

Notice

: Shielded interface cable must be used in order to comply with emission limits. 

Notice

: Changes or modification not expressly approved by the party responsible for compliance could void the 

user’s authority to operate the equipment. 

CE

 

M

ARK 

S

TATEMENT

 

The C-DSP 6x8 has passed the test performed according to European Standard EN 55022 Class B. 

A

 NOTE ON THIS MANUAL

 

This User Manual is designed for reading in both print and on the computer. If printing the manual, please print 
double-sided. The embedded page size is 8 ½” x 11”. Printing on A4 paper will result in a slightly reduced size. 

 

 

Содержание C-DSP 6X8

Страница 1: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without prior notice 1 C DSP 6X8 6 IN 8 OUT IN CAR AUDIO PROCESSOR User Manual...

Страница 2: ...ong Kong www minidsp com Features and specifications subject to change without prior notice 2 Revision history Revision Description Date V0 1 Preliminary version 28 August 2015 V1 0 First release 9 Se...

Страница 3: ...2 Mac OS X 12 3 2 Hardware connectivity 13 3 2 1 Analog inputs 13 3 2 2 Digital input 14 3 2 3 Analog outputs 14 3 2 4 DC power 15 3 2 5 Remote 16 3 2 6 USB 16 3 3 Synchronizing with the processor 17...

Страница 4: ...d loading configurations 31 4 5 4 Loading configurations from microSD card 31 4 5 5 Restoring to defaults 32 4 6 Keyboard shortcuts 32 5 Using the C DSP 6x8 33 5 1 Status indicators 33 5 2 Controls 33...

Страница 5: ...atest version Mac OS X Intel based Mac with 1 GHz or higher processor clock speed 512 megabytes MB of RAM or higher Keyboard and mouse or compatible pointing device USB 2 0 port Mac OS X 10 4 or highe...

Страница 6: ...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 installe...

Страница 7: ...udio tuning on every channel o Parametric EQ peaking high shelf low shelf o Butterworth and Linkwitz Riley crossovers up to 48 dB octave o Individual time delay and level adjustment o Advanced biquad...

Страница 8: ...ce and downloads instructions into the miniDSP hardware unit that tell it how to process the audio signal Other platforms miniDSP makes many other boxed and kit hardware units with analog stereo digit...

Страница 9: ...ers in the next step you can feel free to experiment at this point 3 Reset all parameters From the Restore menu select the Factory Default option This will reset all processing parameters back to the...

Страница 10: ...e the volume until you hear audio quietly coming from the speakers Verify that the plugin is performing the intended function For example if implementing a two way crossover confirm that the tweeter i...

Страница 11: ...connection the first time the plugin is used If the plugin does not start properly see Troubleshooting 3 1 1 Windows Prior to installing the miniDSP software download and install the following progra...

Страница 12: ...the text Allow Applications 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 inst...

Страница 13: ...rectly to the RCA jacks on the front panel Be sure to take careful note of the channel numbering shown in this diagram and on the front panel These inputs accept a maximum input voltage of 4 VRMS Alte...

Страница 14: ...the front panel Note the digital input accepts only a stereo PCM digital signal It does not accept encoded or multichannel digital audio 3 2 3 Analog outputs There are eight analog output channels Un...

Страница 15: ...nal block also provides two pins for remotely switching power on and off To enable the remote enable a jumper inside the unit needs to be moved REMOTE IN This input will turn the C DSP 6x8 on and off...

Страница 16: ...ied cable The RJ11 plugs on each end simply plug into the base of the remote and into the rear panel of the C DSP 6x8 The wired remote also contains the receiver for infrared remote control 3 2 6 USB...

Страница 17: ...processor After downloading the configuration data the plugin is in online mode and any changes to processing parameters will be downloaded immediately in real time That is the user interface is now...

Страница 18: ...on can be done with the wired remote or an infrared remote control see Using the C DSP 6x8 If desired however the plugin can remain connected during use for real time live control of all audio process...

Страница 19: ...djusted 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 un...

Страница 20: ...r to view the labels of the input and output channels can be changed in the Input and Output tabs Each input output channel assignment is turned on and off by clicking the button corresponding to the...

Страница 21: ...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 t...

Страница 22: ...cies from the signal sent to the tweeter In a three way speaker the midrange driver will use both the high pass and low pass filters Crossover filters can also be used to limit low frequency content d...

Страница 23: ...lter 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 36 and 48 dB octave Linkw...

Страница 24: ...ing the combined response of all enabled parametric filters on that channel For example the screenshot above shows a response curve created with a low shelf boost filter at 100 Hz a dip at 500 Hz and...

Страница 25: ...ter reduces the number of available filters on that channel from six to five Frequency For the PEAK and SUB_EQ filter types this is the center frequency of the peak or dip For the HIGH_SHELF and LOW_S...

Страница 26: ...e delay corresponds to a distance This distance is shown in cm when the cursor is hovered over the time delay box The maximum time delay of 15 ms corresponds to a distance of approximately 5 2 meters...

Страница 27: ...A biquad is the basic unit of processing that is used to create digital filters It can be described either with an equation or with a signal flow diagram as shown here A single biquad like this can pe...

Страница 28: ...ed to a maximum of six This example illustrates the correct file format biquad1 b0 0 998191200483864 b1 1 9950521500467384 b2 0 996920046761057 a1 1 9950521500467384 a2 0 9951112472449212 biquad2 b0 0...

Страница 29: ...equires Microsoft Excel http www minidsp com images fbfiles files All_digital_coefs_v1 20101026 zip 4 4 3 2 Room EQ Wizard REW Room EQ Wizard is a free acoustic measurement and analysis tool available...

Страница 30: ...t time the plugin is synchronized to the processor the parameters will be downloaded to the processor as long as the Synchronize Config button is selected The configuration contained in the miniDSP ha...

Страница 31: ...rrent slot If the plugin is in online mode the new configuration data will be downloaded to the processor immediately If the plugin is in offline mode the configuration will be loaded into the user in...

Страница 32: ...Reset only the currently selected configuration preset to the factory default settings If the plugin is in online mode the configuration data on the processor all or just one configuration as selected...

Страница 33: ...lection buttons 5 2 CONTROLS To change the volume Rotate the control knob clockwise to increase the volume and counter clockwise to decrease it The LED bar graph on the left indicates the master volum...

Страница 34: ...NEC Sony Philips RC6 To initiate 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 co...

Страница 35: ...tput Audio resolution 24 bit input and output 48 kHz internal sample rate Audio processing 172MHz 28 56bit Digital Signal Processor Storage presets All settings controllable in real time from software...

Страница 36: ...4 No audio or low audio on outputs a Check the cabling from the processor to your amplifiers b Check that your amplifiers are turned on and that any volume controls are turned up c Check that the inp...

Страница 37: ...nstallation folder of the plug in download To update the firmware 1 Connect a microSD card to the computer and copy the hex firmware file onto it The card will need to have been formatted in FAT forma...

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