Digital Chromatics jkl http://www.digitalchromatics.com Creative Ingenuity. Technical Prowess. Wed, 10 Dec 2014 21:25:32 +0000 en-US hourly 1 https://wordpress.org/?v=4.0.38 K http://www.digitalchromatics.com/posts/k/ http://www.digitalchromatics.com/posts/k/#comments Mon, 07 Apr 2014 17:14:30 +0000 http://www.digitalchromatics.com/?p=2622 K- 1024 pixels of horizontal resolution. The term arose in digital film scanning and is now frequently used to describe 2K, 4K and 8K digital cinema systems.

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K- 1024 pixels of horizontal resolution. The term arose in digital film scanning and is now frequently used to describe 2K, 4K and 8K digital cinema systems.

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]]> http://www.digitalchromatics.com/posts/k/feed/ 0 Latitude http://www.digitalchromatics.com/posts/latitude/ http://www.digitalchromatics.com/posts/latitude/#comments Mon, 17 Dec 2012 22:55:09 +0000 http://www.digitalchromatics.com/?p=1491 Latitude - Latitude is the capacity of camera negative film to hold information over a wider brightness range than is needed for the final print. This provides a degree of freedom that is needed because it is impossible to see if the exposure is totally correct until the film comes back from the laboratory. Latitude provides room […]

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]]> Latitude - Latitude is the capacity of camera negative film to hold information over a wider brightness range than is needed for the final print. This provides a degree of freedom that is needed because it is impossible to see if the exposure is totally correct until the film comes back from the laboratory. Latitude provides room for later adjustment in printing to compensate for over or under exposure. This contrasts with using digital cinematography where it is possible to see the results immediately and make any required adjustment at the shooting stage. This procedure can reduce the need for a very wide latitude (which cannot extend to the release prints) by ensuring the lighting and camera set ups are always correct at the shoot.

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]]> http://www.digitalchromatics.com/posts/latitude/feed/ 0 Linear Tape-Open (LTO) http://www.digitalchromatics.com/posts/lto/ http://www.digitalchromatics.com/posts/lto/#comments Mon, 17 Dec 2012 22:54:56 +0000 http://www.digitalchromatics.com/?p=1222 Linear Tape-Open (LTO) - An open-format tape storage technology developed by Hewlett-Packard and IBM in the early 90’s. Since then, these tapes have become a standard in the industry as the most secure way to backup valuable work and files.

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]]> Linear Tape-Open (LTO) - An open-format tape storage technology developed by Hewlett-Packard and IBM in the early 90’s. Since then, these tapes have become a standard in the industry as the most secure way to backup valuable work and files.

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]]> http://www.digitalchromatics.com/posts/lto/feed/ 0 Luminance http://www.digitalchromatics.com/posts/luminance/ http://www.digitalchromatics.com/posts/luminance/#comments Mon, 17 Dec 2012 22:51:01 +0000 http://www.digitalchromatics.com/?p=1489 Luminance - A component of video: the black and white or brightness element, of an image. It is written as Y, so the Y in Y,B-Y,R-Y, YUV, YIQ and Y,Cr,Cb is the luminance information of the signal. See Also – Chrominance

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]]> Luminance - A component of video: the black and white or brightness element, of an image. It is written as Y, so the Y in Y,B-Y,R-Y, YUV, YIQ and Y,Cr,Cb is the luminance information of the signal.

See Also – Chrominance

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]]> http://www.digitalchromatics.com/posts/luminance/feed/ 0 LUT http://www.digitalchromatics.com/posts/lut/ http://www.digitalchromatics.com/posts/lut/#comments Mon, 17 Dec 2012 22:49:25 +0000 http://www.digitalchromatics.com/?p=1487 LUT - Look-up table. This is a table of multipliers used to convert values from one type of digital scale to another. The LUT will contain a distinct multiplying value for every input digital value. For example, a LUT can be used to convert brightness values measured by an electronic sensor, which will be linear, to logarithmic […]

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]]> LUT - Look-up table. This is a table of multipliers used to convert values from one type of digital scale to another. The LUT will contain a distinct multiplying value for every input digital value. For example, a LUT can be used to convert brightness values measured by an electronic sensor, which will be linear, to logarithmic values which more accurately reflect our perception – and the way film responds to light. As modern post production equipment is expected to work across media – film, TV, DVD, D-cinema, etc., there is increasing need for conversions using LUTs to suit differences in color space between display systems as well as in the media themselves.

See Also – Color Management, Color Cube (3D LUT)

 

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