{"id":404,"date":"2005-07-28T21:22:25","date_gmt":"2005-07-28T21:22:25","guid":{"rendered":"https:\/\/www.docbug.com\/blog\/archives\/404"},"modified":"2005-07-28T21:22:25","modified_gmt":"2005-07-28T21:22:25","slug":"new-digital-cinema-standard-to-use-jpeg-2000-compression","status":"publish","type":"post","link":"https:\/\/www.docbug.com\/blog\/archives\/404","title":{"rendered":"New digital cinema standard to use JPEG 2000 compression"},"content":{"rendered":"<p>Yesterday a consortium of the major movie studios <a href=\"http:\/\/biz.yahoo.com\/prnews\/050727\/law066.html?.v=22\">announced<\/a> final specs for a new standard digital format for movie theaters. The <a href=\"http:\/\/www.dcimovies.com\/DCI_Digital_Cinema_System_Spec_v1.pdf\">specification<\/a> uses JPEG 2000 video compression, which (though it happened before I started working there) I&#8217;m proud to say largely <a href=\"http:\/\/rii.ricoh.com\/~gormish\/pdf\/dcc2000_jpeg2000_note.pdf\">came out of work<\/a> performed at <a href=\"http:\/\/rii.ricoh.com\/ca_research_ctr.html\">my lab<\/a>.<\/p>\n<p>The big advantage of JPEG 2000 is that you can &#8220;pull out&#8221; bits from a code stream to get different resolutions \u2014 in this case a 4K distribution (1,302,083 bytes per frame at 48FPS) and a 2K distribution (651,041 bytes per frame at 48 FPS) can both be generated on-the-fly from the same file, just by discarding segments of the stream.<\/p>\n<p>(Thanks to Mike for the link.)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yesterday a consortium of the major movie studios <a href=\"http:\/\/biz.yahoo.com\/prnews\/050727\/law066.html?.v=22\">announced<\/a> final specs for a new standard digital format for movie theaters. The <a href=\"http:\/\/www.dcimovies.com\/DCI_Digital_Cinema_System_Spec_v1.pdf\">specification<\/a> uses JPEG 2000 video compression, which (though it happened before I started working there) I&#8217;m proud to say largely <a href=\"http:\/\/rii.ricoh.com\/~gormish\/pdf\/dcc2000_jpeg2000_note.pdf\">came out of work<\/a> performed at <a href=\"http:\/\/rii.ricoh.com\/ca_research_ctr.html\">my lab<\/a>.<\/p>\n<p>The big advantage of JPEG 2000 is that you can &#8220;pull out&#8221; bits from a code stream to get different resolutions \u2014 in this case a 4K distribution (1,302,083 bytes per frame at 48FPS) and a 2K distribution (651,041 bytes per frame at 48 FPS) can both be generated on-the-fly from the same file, just by discarding segments of the stream.<\/p>\n<p>(Thanks to Mike for the link.)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-404","post","type-post","status-publish","format-standard","hentry","category-media-technology"],"_links":{"self":[{"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/posts\/404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/comments?post=404"}],"version-history":[{"count":0,"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/posts\/404\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/media?parent=404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/categories?post=404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.docbug.com\/blog\/wp-json\/wp\/v2\/tags?post=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}