background image

Page 15 of 30 

 
 

Call the AVPro Team at –North America 877-886-5112 Interna1-605-274-6055 

 

 

To use PrismaVue simply in or decrease – via the remote control and use the demo button 

to see before and after result. Set to your personal taste. In the WebOS you can also set to 

PrismaVue value numerically – 0 = no PrismaVue –  numbers = more PrismaVue 

(sharpening) and a lower – number = less sharpening.  

 

What is Prisma's video processing path? 
 

The Prisma has two primary processing blocks - the Cube LUT is applied first, then the output of 

the Cube goes to the PrismaVue.  

 

The Cube can either be processed in linear space, or in the typical non-linear space.  The control 

for this is set in the Cube Table, so it can easily be enabled for some LUTs and disabled for others. 

 

The Cube internally processes video in 18 bits per color component.  This is to give enough bit-

depth for the linearization.  The Cube coefficients are stored in 10-bit resolution and shifted to 18 

bits during the processing. 

 

The PrismaVue is processed in 10 bits, with the blur matrix coefficients stored in a 4.6 fixed point 

format. 

 

 

 

I thought video calibration was all about disabling this type of processing. What gives? 

 

The true Videophile's goal is to set up their viewing room so that the picture they see is as close as 

possible to the way the director intended.  Unfortunately, there are many obstacles that get in the 

way of achieving this goal. Even with the highest quality video equipment in a room that has been 

meticulously set up - we are still at the mercy of how the content has been delivered. A blu-ray 
disc that has been well mastered under the direct supervision of the director has the best chance 

of realizing this goal. 

 

Content today comes from many different sources, ranging from the high quality blu-rays, down to 

cheaply mastered DVDs or even streamed off smart phones or the internet.  The internet 

streaming services are rapidly improving the quality of their distribution, but they still introduce 

Содержание Prisma

Страница 1: ...Page 1 of 30 Call the AVPro Team at North America 877 886 5112 International 1 605 274 6055 Murideo Prisma Networked Video Processor and 3D LUT User s Manual Version 1 00 ...

Страница 2: ... warnings Use only accessories provided by Murideo Unplug the device during lightning storms or when unused for long periods of time Keep away from open flames Protect all connected cords including power cords from being pinched compressed and stepped on Do not open the case All servicing should be done only by qualified and approved service personnel and will void the warranty Electrical Input Ra...

Страница 3: ...nctionality Diagram Page 6 8 Connecting the Prisma Manual Operation Operation with 3rd Party Software Operation with WebOS Page 8 Advanced Use of Prisma Page 9 12 Creating a LUT Page 13 16 Frequently Asked Questions Page 17 FCC Compliance Page 18 20 Warranty Page 21 Getting Help Page 22 29 Appendix A Creating CalMAN 3D LUTs Overview Guide Page 30 Appendix B Documents Coming Soon ...

Страница 4: ...t Space and Argyle color management software packages Key Features Complete color calibration using a 17x17x17 LUT Look Up Table PrismaVue enhances picture detail and reduces compression artifacts Accurate display and color matching For video production the Prisma can load common 3D LUT tables for reproducing specific looks and adjusting raw footage colors For Digital Signage the Prisma can accura...

Страница 5: ...lied remote control 2 Ethernet connect supplied Ethernet cable to the local network with DNS server your home network 3 Out connect HDMI cable between out port and display 4 Out Link indicates a display is detected 5 In Link indicates a source is present 6 In connect output of source to In port 7 5V connect supplied wall wart between wall outlet 110 240V and Prisma 8 PWR indicates power is present...

Страница 6: ...5 6 or greater b Light Space Light Illusion c Argyll Shareware 3 For loading LUTs and basic and advanced control of Prisma you can connect via LAN http prisma XXXX local Mac or http prisma XXXX PC where XXXX is the last 4 digits of the serial number See bottom of unit for serial number or outside of box Once URL above is entered a WebOS will be displayed Manual Operation Connection Option 1 Use th...

Страница 7: ... like CalMan or Argyll installed a light measurement meter and cables Contact AVPro if you need a current License or details when other calibration software will be PRISMA supported 1 Connect the supplied AC power adapter to the PRISMA 2 Connect to the PRISMA by the Ethernet port or HUB and connect the light meter to the PC USB ports 3 Connect the PRISMA output to the monitor using an HDMI cable ...

Страница 8: ... parameters and make other changes to the Prisma Advanced Use of Prisma There are several papers and articles on LUTs and calibration that you can find on the Murideo web site We ll start the discussion here by saying if you choose to optimize and maximize your viewing experience to your environment and customize Prisma to your personal tastes that is completely possible So how do I create LUTs fo...

Страница 9: ...GB triplet generator 4 Connect SpectraCal Cube LUT as your Display 5 IMPORTANT NOTE On the Generator Tab in CalMAN there are unique settings for the Prisma one very important setting is a small box call Bypass 3D LUT The default for this setting is checked meaning the LUT in the Prisma is not in the signal path When creating LUTs you must leave this box checked so you don t write a LUT on top of a...

Страница 10: ... start the process of measuring and finally writing the LUT this can take from about 5 minutes to hours depending on how many samples you take theoretically the more data samples the better end result Note the file name of the LUT you just created 9 Jump back into the Prisma via WebOS ex http prisma xxxx local to get the screen below Now click on Choose File and find the 3DL file you just created ...

Страница 11: ...ypass LUT box This will tell CalMAN to use the LUT that is currently selected in the Prisma Results Below you will find three screenshots Before Lightening LUT and 2000 Read LUT The results are quite simply stunning Setup Panasonic Plasma circa 2013 VT60 calibrated grayscale gamma 2 2 CMS untouched Black White Color set correctly Source DirecTV HD Genie via Xbox 1 Processor Murideo Prisma STB Xbox...

Страница 12: ...Lightening LUT This LUT took CalMAN less than 5 minutes to create and it is quite impressive note the average DE has dropped to below 5 2000 Reads LUT This is the result after about an hour I set CalMAN for a 2000 read LUT Not only is the graph above fantastic the picture is literally stunning ...

Страница 13: ...igned address This is compatible with the method most computers use to assign network addresses and should be adequate for most users The Prisma announces its name on the network using both NetBIOS and mDNS This means that you can access the Prisma from your computer s browser as http prisma local on a Mac iPhone iPad or a windows computer with iTunes or using http prisma on a Windows computer Whe...

Страница 14: ...hese tables How can I store a LUT in the binary format The easiest way is to load the 3dl table to the Prisma and then save it to a binary version then delete the 3dl We are currently developing software that is able to read a 3dl and create the binary version How does the PrismaVue work PrismaVue is an advanced implementation of unsharp masking or USM Basically there are two steps to the process ...

Страница 15: ... Cube coefficients are stored in 10 bit resolution and shifted to 18 bits during the processing The PrismaVue is processed in 10 bits with the blur matrix coefficients stored in a 4 6 fixed point format I thought video calibration was all about disabling this type of processing What gives The true Videophile s goal is to set up their viewing room so that the picture they see is as close as possibl...

Страница 16: ...control the Prisma Yes an API is available All operations on the Prisma can be controlled through regular HTTP requests and responses The documentation on each request is available by request Is Murideo Prisma supported by 3rd party software vendors Yes SpectraCal CalMAN provides full support in version 5 4 and greater We can send you a PDF or see Appendix A Yes Light Illusion LightSpace Use this ...

Страница 17: ...ment 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 the receiver Connect the equipment into an outlet different from that to which...

Страница 18: ... Liability Clause of this document This International Limited Warranty covers the costs of service parts and labor required to restore your product to fully functional condition MURIDEO will at its discretion repair or replace any defective products or parts thereof covered by this International Limited warranty with refurbished parts of the product that are equivalent to new or like new products ...

Страница 19: ...lacement unit will be warranted under these Terms and Conditions for the remainder of the original warranty period or ninety 90 days whichever is longer Refer to user manual enclosed within the product package and or information on http www murideo com for important tips on how to operate and troubleshoot the product International Warranty Warranty may be valid when a MURIDEO product is purchased ...

Страница 20: ... OF DEFECTIVE OR NONCONFORMING PRODUCTS AND MURIDEO WILL NOT IN ANY EVENT BELIABLE FOR COST OF SUBSTITUTE OR REPLACEMENT COST OF FACILITIES OR SERVICE DOWNTIMECOSTS LOSS OF PROFITS REVENUES OR GOODWILL RELIANCE DAMAGES LOSS OF DATA LOSS OFUSE IF OR DAMAGE TO ANY ASSOCIATED EQUIPMENT OR ANY OTHER INDIRECT INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES BY REASON OF THE FACT THAT SUCH PRODUCTS WILL HAVE...

Страница 21: ...demarks or registered trademarks of AVPro Global Holdings Inc in the United States or other countries ISF and the ISF logo are trademarks or registered trademarks of and are used under license from Imaging Science Foundation LLC in the United States or other countries All other trademarks and registered trademarks are the property of their respective owners in the United States or other countries ...

Страница 22: ...For imaging software that is compatible with 3D corrective LUTs CalMAN creates and saves a corrective LUT file that can then be manually loaded into the imaging software In the case of DaVinci Resolve and Assimilate SCRATCH CalMAN can also automatically control the test pattern generator provided within the software as the test pattern source for 3D LUT creation Note For a more specific guide on u...

Страница 23: ...y Optimization a Display Presets Select optimal display presets for picture mode color space and automatic image adjustment features b Mode Settings Select optimal display settings for color temp and gamma c Dynamic Range Adjust display s black level and white level and test for dynamic range compression d RGB Adjust Optimize display s RGB white balance controls e Luminance Target Set display s de...

Страница 24: ...rd and interpolates the correction data out to the desired number of final 3D LUT points The CalMAN targeting engine now also includes a new 3D LUT retargeting capability You select which of the new display profiling processes you wish to use on the 3D Cube LUT page When you click the AutoCal button to initiate the 3D LUT calibration process the AutoCal Setup dialog appears figure 1 Figure 1 From ...

Страница 25: ...c analysis to evaluate the degree of linearity error that can be corrected within the selected time or with the selected number of measurement points The IRP algorithm then measures predetermined and DLC determined color points develops correction data to the selected calibration standard and interpolates the correction data out to the desired number of final 3D LUT points The final display calibr...

Страница 26: ...r of profiled color points rather than by the total measurement time 1 On the AutoCal Setup dialog under Calibration Type select IR Profile point based figure 3 2 Then in the Profile Points edit box enter the number of color points that you wish to measure on the display anywhere from 1000 points to 10 000 points for maximum display quality 3 Click the OK button to begin the Intelligent Resolution...

Страница 27: ...the full significance of the data at adjacent color points to deliver a very high quality result on most professional displays Lightning LUT corrects gamma grayscale balance RGB crosstalk moderate saturation and luminance nonlinearities and reduces a large gamut volume to a smaller target volume However displays with significant saturation or luminance nonlinearity may produce marginal results wit...

Страница 28: ...ts You can retarget existing display profile data to a different color space in as little as 30 seconds depending on the output LUT size 1 On the CalMAN Display Control tab click the Retarget LUT From Profile button figure 5 2 On the file explorer window that opens select the desired display profile cpfx file 3 On the Import 3D LUT dialog that opens figure 6 select the desired colorspace and gamma...

Страница 29: ...elect the desired colorspace and gamma targets for your new 3D LUT The new 3D LUT retargeting function simply accesses the original saved display profile re computes a 3D LUT interpolation to the new color space and writes a new LUT file In just minutes you can have an additional 3D LUT to retarget your display to a new color space ...

Страница 30: ...deo Website for details you will also be notified via email once instructions are written 1 Creating 3D LUTs with Argyll 2 Creating 3D LUTs with Light Illusion you can get the manufacturer s instructions here http www lightillusion com prisma_manual html 3 New feature enhancements like 1D LUTs that will be coming in the future ...

Отзывы: