ASC CDL / User LUT User's Guide
Contents
1. ASC CDL User LUT User s Guide For BVM E Series Ver 1 0 2012 04 14 Sony Corporation Revision Record Ver 1 0 2012 04 14 First edition How to use ASC CDL About ASC CDL function The ASC CDL American Society of Cinematographers Color Decision List is a format for the exchange of basic color grading information ASC CDL allows you to change color representation of the monitor during the production of content for digital cinema television and commercial projects You can save as many ASC CDL files on to a Memory Stick and store up to 5 files within the BVM E monitor as presets All of your creative looks can be applied from a Memory Stick via BKM 16R controller Each of the 5 preset files can each be assigned to any of the 30 channels in the monitor This makes it easy to compare looks between different sources Please read the BVM E Operation Manual for menu operation ASC CDL File Format for BVM E monitors BVM E monitors are capable of loading applying ASC CDL files in the following format This format conforms to XML Color Correction Collection described in the ASC CDL_Release1 2 document File description example Range of each parameter z rs _ cs s se _ Rome sonen lt ColorCorrectionCollection xmins lt ColorCorrection id gt lt SOPNode gt lt Slope gt 1 000 1 000 1 000 lt Slope gt lt Offset gt 0 000 0 000 0 000 lt Offset gt lt Power gt 1 000 1 000 1 000 lt P2. please perform auto adjustment again in User LUT Not applied mode 1 0 specified in Grid and LUT is compatible with light equivalent to 100 of the input signal level or 1 000 S LOG When a User LUT is applied the image can be clipped at the maximum input and output level specified by the User LUT Appendix ASC CDL User LUT processing order and a circuit position Input Gamma Color Space ASC CDL Slope Input Input Offset Gamma Color Space Power Saturation DeGamma Scene Linear u User LUT User LUT Gamma selectable DeGamma Scene Linear Output
3. range the following error message will be displayed Shortage Overage of CDL if any parameter of Slop Offset Power of Saturation is missing Unacceptable CDL value if any of the parameter exceeds the range of table above File Error for other errors Itis still possible to perform auto white balance operations however It may take more time or may error with certain ASC CDL data It may cause large changes to the color temperature when used in ASC CDL Not applied mode In this case please perform auto adjustment again in ASC CDL Not applied mode How to use User LUT About User LUT function The User LUT Look Up Table is used for previewing looks on a monitor simulated with the final picture colorimetry digital cinema film print etc A LUT created by color correction color grading software hardware can be loaded applied to the monitor and allows the change of color representation of the monitor You can save as many User LUT files on a Memory Stick and store up to 5 files within the BVM E monitors as presets All of your creative looks can be applied from the Memory Stick via BKM 16R controller Each of the 5 preset files can each be assigned to any of the 30 channels in the monitor This makes it easy to compare different looks Please read the BVM E Operation Manual for menu operation User LUT File Format for BVM E monitors BVM E monitors are capable of loading applying User L
4. UT files in the following format File description example Version Gamma Gamma of LUT Version BVM E LUT Fixed BVM E_LUT 0 Reserved 1 00 1 00 1 Scene Linear 2 2 2 Color Space Color Space gt Color Space of LUT 3 2 6 Me 0 mead 4 Reserved 2 1 Reserved gt S LOG Full 2 Reserved Grid Num LUT LUT data 33 3 SMPTE C 4 EBU Range 0 000000 1 000000 Grid 5 ee No of Number of lattice point 0 000000 Ei places x Number of lattice point 0 002360 6 D Cine x Number of lattice point 7 S Gamut X 3 8 E250 E170 Native Order Lut RO GO BO R 9 a Lut RO GO BO G LUT 10 N Lut RO GO BO B 0 000000 Lut RO GO B1 R 0 000000 Grid Num 0 000000 Lut RO GO B1 G Number of lattice points 0 000150 Range S733 0 000180 on oo N Grid Position of lattice point Lut RGrid 1 GGrid 1 BGrid 1 R Range 0 000000 to Lut RGrid 1 GGrid 1 BGrid 1 G 1 000000 Lut RGrid 1 GGrid 1 BGrid 1 B No of places 8 33 Order Ascending 3 Up to 1 000 User LUT files 4 Memory Stick PRO High Speed or Memory Stick PRO Duo High Speed is recommended The User LUT file consists of six portions Version is to identify the file as a User LUT that can be read by the BVM E monitor Please describe in the above table with a fixed string including line feed The LUT will not be read other than this description Color Space describes the color gamut which the User LUT data is limited within Select one using the
5. in ascending order Please refer to the LUT Data table above for the order of each description Please make sure the total numbers of LUT data values match the number set in Grid Num cube of Grid Num x 3 Please describe the each segment Version Color Space Gamma Grid Num Grid LUT in this order or else the monitor will not read the LUT properly Comments are allowed to be described anywhere but please be sure to write at the line head of the comments User LUT file destination and extension File directory in the Memory Stick MSSONY MONITOR BVM_E USER_LUT File extension dut File size Under 4MB Usable characters as file name Following characters and symbols within total of 20 letters 1 Alphanumeric characters A Za z0 9 2 Symbol characters l S amp _ Contrast Brightness of the monitor is fixed to the default value Contrast 1000 Brightness 000 and cannot be changed when a User LUT is applied Parameters that are missing or exceeding the range will result in an error Files that cannot be read e g files that are broken will also result in an error Itis still possible to perform auto white balance operation by internal sensor BVM E170 or by external probe however It may take more time or may error with certain User LUT data It may cause large changes to the color temperature when used in User LUT Not applied mode In this case
6. number 0 to 10 from the items in the Color Space table above Do not select items that are Reserved 0 1 2 9 or 10 as they may be used in future enhancements This color space will be displayed in the menu when the User LUT is applied to the monitor If the color space is different from the monitor s configured color space set in Channel Configuration a message Wrong Color Space will appear Gamma describes the gamma which the User LUT data is based on Please select using numbers of 0 to 5 in the Gamma table For example if the User LUT was made with a 2 2 video gamma please select 2 Do not select items that are Reserved as it may be used for future enhancement Grid Num describes the number of lattice points in the User LUT data Please describe the number of lattice points common to each R G B LUT data set as 8 to 33 lattice points The data will not be read if the number range is other than 8 to 33 Grid describes the position of each lattice point in the User LUT data Please use a fixed length of six digits after the decimal point Separate each lattice value with line feed newline and align them in ascending order Please make sure the total number of lattice point entries match with Grid Num LUT describes the LUT value corresponding to the lattice point specified in the Grid Please use a fixed length of six digits after the decimal point Separate each lattice point with line feed newline and align them
7. ower gt lt SOPNode gt lt SATNode gt lt Saturation gt 1 000 lt Saturation gt lt SATNode gt crower Brower seuation lt Slope Offset Power should be described in between lt SOPNode gt and lt SOPNode gt lt ColorCorrection gt lt ColorCorrectionCollection gt EEE Eee pen ee Ets elile Slope should be described in between lt Slope gt and lt Slope gt The three values of R Slope G Slope B Slope should be described in this order with a space in between Offset and Power follows the same format as that of Slope Saturation should be described in between lt SATNode gt and lt SATNode gt The Saturation value should be described with only one value in between lt Saturation gt and lt Saturation gt ASC CDL file destination and extension File directory in the Memory Stick MSSONY MONITOR BVM_E ASC_CDL File extension cdl File size Under 256kB 1 Up to 1 000 ASC CDL files 2 Memory Stick PRO High Speed or Memory Stick PRO Duo High Speed is recommended Usable characters as file name Following characters and symbols within total of 20 letters 1 Alphanumeric characters A Za z0 9 2 Symbol characters l S amp _ Contrast Brightness of the monitor is fixed to the default value Contrast 1000 Brightness 000 and cannot be changed when a ASC CDL is applied When parameters are missing or exceeding the
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