{"id":186,"date":"2019-02-06T12:54:52","date_gmt":"2019-02-06T12:54:52","guid":{"rendered":"http:\/\/mycours.es\/ems\/?page_id=186"},"modified":"2022-04-14T13:40:36","modified_gmt":"2022-04-14T13:40:36","slug":"finding-videos-resolution-codecs-formats","status":"publish","type":"page","link":"http:\/\/mycours.es\/ems\/finding-videos-resolution-codecs-formats\/","title":{"rendered":"Finding videos, resolution, codecs, formats"},"content":{"rendered":"<h1>Appropriating video for art: is it Legal?<\/h1>\n<p><strong>Fair use<\/strong> is a doctrine in United States copyright law that allows limited use of copyrighted material without requiring permission from the rights holders, such as for commentary, criticism, news reporting, research, teaching or scholarship.<\/p>\n<p>Appropriation for art is accepted where the use is deemed transformative.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-32\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/rogers-v-koons.jpg\" alt=\"\" width=\"1024\" height=\"295\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/rogers-v-koons.jpg 1024w, http:\/\/mycours.es\/ems\/files\/2019\/01\/rogers-v-koons-300x86.jpg 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/rogers-v-koons-768x221.jpg 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><br \/>\n<em>Left:\u00a0<\/em>Art Rogers,\u00a0<em>Puppies<\/em>, 1985.\u00a0\u00a0Right:\u00a0Jeff Koons,\u00a0<em>String of Puppies<\/em>, 1988. Polychrome on wood.<\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Rogers_v._Koons\">Roger v Koons<\/a>\u00a0Jeff Koons lost\/settled<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/mannie_garcia_obama.jpg\" alt=\"\" width=\"777\" height=\"376\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/mannie_garcia_obama.jpg 777w, http:\/\/mycours.es\/ems\/files\/2019\/01\/mannie_garcia_obama-300x145.jpg 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/mannie_garcia_obama-768x372.jpg 768w\" sizes=\"auto, (max-width: 777px) 85vw, 777px\" \/><br \/>\n<a href=\"https:\/\/en.wikipedia.org\/wiki\/Barack_Obama_%22Hope%22_poster#Origin_and_copyright_issues\">Shepard Farey v AP<\/a> Fairey lost\/settled but he also fabricated evidences (very bad) and denied credit<\/p>\n<p>A new ruling from the U.S. Copyright Office exempted all the media\/film studies teachers and students from the Digital Millennium Copyright Act.<\/p>\n<p>\u201cThe change will help college-level instructors and students use excerpts from copyrighted materials to create remix videos for a wide variety of instructional purposes.\u201d<\/p>\n<p><strong>So, yes BUT<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-34\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/copyright.png\" alt=\"\" width=\"810\" height=\"600\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/copyright.png 810w, http:\/\/mycours.es\/ems\/files\/2019\/01\/copyright-300x222.png 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/copyright-768x569.png 768w\" sizes=\"auto, (max-width: 810px) 85vw, 810px\" \/><\/p>\n<p>Automated copyright algorithms won&#8217;t be able to distinguish fair use.<br \/>\nIf you get a copyright claim take down, don&#8217;t worry bring the video to class.<\/p>\n<h1>Public Video Archives<\/h1>\n<p>They are public domain or royalty free repositories.<br \/>\nThey usually contain old material or digitized versions of film produced with taxpayer&#8217;s money.<\/p>\n<p><a href=\"https:\/\/archive.org\/details\/movies\">The Internet Archive<\/a><br \/>\nPublic domain films, old educational, home movies, documents, Prelinger archives\u2026<\/p>\n<p><a href=\"http:\/\/www.open-video.org\/\">Open Video Project<\/a><br \/>\nHistorical, documentary, educational<\/p>\n<p><a href=\"http:\/\/www.youtube.com\/user\/usnationalarchives\/featured\">The National Archives<\/a><br \/>\nInstitutional, War footage, NASA<\/p>\n<p><a href=\"https:\/\/www.loc.gov\/collections\">Library of Congress<\/a><br \/>\nVarious old and public domain, bad quality<\/p>\n<h1>Commercial Video Archives<\/h1>\n<p>Either journalistic or <a href=\"https:\/\/www.shutterstock.com\/da\/video\">stock footage.<\/a>\u00a0Stock footage comes watermarked unless you acquire the rights, it&#8217;s usually cheesy and used for corporate propaganda.\u00a0You should not pay to acquire video for this assignment.<\/p>\n<p>pond5 has a big archive of free stock clip<br \/>\n<a href=\"https:\/\/www.pond5.com\/free\/footage\">https:\/\/www.pond5.com\/free\/footage<\/a><\/p>\n<h1>Downloading from YouTube<\/h1>\n<p>Youtube discourages download, many sites and browser plugins offer workarounds but recently YT made it much harder to acquire HD video. Introducing: <a href=\"https:\/\/www.any-video-converter.com\/products\/for_video_free\/\">Any Video Converter<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-36\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-9.47.57-AM.png\" alt=\"\" width=\"1996\" height=\"1440\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-9.47.57-AM.png 1996w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-9.47.57-AM-300x216.png 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-9.47.57-AM-768x554.png 768w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-9.47.57-AM-1024x739.png 1024w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-9.47.57-AM-1200x866.png 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/p>\n<h1>Ripping and Decrypting DVDs<\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-37 aligncenter\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-9.50.28-AM.png\" alt=\"\" width=\"438\" height=\"253\" \/><\/p>\n<p><strong>Ripping:<\/strong> To copy audio or video in digital form from removable media (DVD). Technically legal only if you own the content.<\/p>\n<p><strong>Decrypting:<\/strong> Circumvent the Digital Rights Management (DRM) scheme of almost all commercially produced DVD-Video discs. Technically illegal by itself thanks to Clinton but ok if for fair use.<\/p>\n<p><a href=\"https:\/\/www.lifewire.com\/how-to-copy-dvds-to-mac-handbrake-2260168\">How to rip DVDs with Handbrake and VLC<\/a><\/p>\n<h1>Bit Torrent-based pirate networks<\/h1>\n<p>You won&#8217;t find blockbuster movies on Youtube or Archive.org<br \/>\nFor that, your best choice would be pirate networks like\u00a0<a href=\"https:\/\/torrentfreak.com\/top-10-most-popular-torrent-sites-of-2019\/\">Pirate bay<\/a>. <strong><br \/>\nFirst: Do not use them on CMU networks!<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-38 aligncenter\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/bittorrent.jpg\" alt=\"\" width=\"341\" height=\"279\" \/><\/p>\n<p>That&#8217;s because regardless of your own fair use, when you run\u00a0 Bittorrent or Transmission you are sharing copyrighted content with other people. Technically it&#8217;s not illegal to download, it&#8217;s illegal to <strong>upload (seed)<\/strong>. CMU is cybercop central and you are always tracked.<\/p>\n<p>At home it&#8217;s much safer. Usually the torrent websites themselves are hit with lawsuits since they are easy targets. End users have been sued for piracy but it&#8217;s very uncommon these days.<\/p>\n<p>Also the websites are sketchy, often fake, with misleading links taking you to scam sites so use <strong>extreme caution<\/strong>.<\/p>\n<p>More underground and difficult to trace forms of piracy involve<a href=\"https:\/\/torrentfreak.com\/how-pirates-use-new-technologies-for-old-sharing-habits-180415\/\"> IRC or applications like Discord and Telegram<\/a><\/p>\n<h1>Recording from screen<\/h1>\n<p>You can easily use Quicktime to record your screen. That&#8217;s how you can capture streaming TV programs or games.<\/p>\n<p>Unfortunately capturing audio (that is the internal computer sound) is trickier and requires an extra component. This technical stuff changes often, make sure you follow recent tutorials.<\/p>\n<p><iframe loading=\"lazy\" title=\"how to record your screen and audio on Mac - tutorial 2018\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/eGCfAApdqeE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>PS: for game footage this may not there more specific applications like <a href=\"http:\/\/www.fraps.com\/\">Fraps<\/a>\u00a0(Windows only) or <a href=\"https:\/\/obsproject.com\/\">OBS<\/a> (mostly used by streamers)<\/p>\n<h1>Resolution and Aspect Ratio<\/h1>\n<p>It&#8217;s the degree of detail that an image contains. It&#8217;s basically the number of pixels &#8211; in its native form.<br \/>\nDigital images can be resized but their level of detail doesn&#8217;t increase.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-45\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolution_illustration.png\" alt=\"\" width=\"788\" height=\"133\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolution_illustration.png 788w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolution_illustration-300x51.png 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolution_illustration-768x130.png 768w\" sizes=\"auto, (max-width: 788px) 85vw, 788px\" \/><\/p>\n<p>Resolution in video is typically described by number of pixels in width by heigh.<br \/>\nThese are the most common digital formats today:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolutions.png\" alt=\"\" width=\"3840\" height=\"2160\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolutions.png 3840w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolutions-300x169.png 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolutions-768x432.png 768w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolutions-1024x576.png 1024w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Resolutions-1200x675.png 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/p>\n<p><strong>480p<\/strong> The standard definition, standard before the rise of HD formats. You&#8217;ll find a lot of archival material in that resolution.<br \/>\nThe 4:3 ratio was used in photographs, TV, and early 35mm films.<\/p>\n<p><strong>1080p<\/strong> is the Full High Definition format we are gonna try to use when we produce our own material.<br \/>\nThe 16:9 aspect ratio commonly used in movies and HDTV and widescreen monitors.<\/p>\n<p><strong>4K <\/strong>will probably become a standard in a few years. We&#8217;ll pass for now.<\/p>\n<p><strong>1:1<\/strong> aspect ratio are not standard but the are becoming more common due to the popularity of Instagram and vine.<\/p>\n<p><strong>For this assignment your task is to find the highest resolution, least compressed version of your sources.<\/strong><\/p>\n<h1>Letterboxing and pillarboxing<\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47 aligncenter\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Letterboxing-and-pillarboxing.jpg\" alt=\"\" width=\"600\" height=\"209\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Letterboxing-and-pillarboxing.jpg 600w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Letterboxing-and-pillarboxing-300x105.jpg 300w\" sizes=\"auto, (max-width: 600px) 85vw, 600px\" \/><\/p>\n<p>When there is a mismatch between display and content you get bands or a frame within a frame.<br \/>\nThat&#8217;s also the case when you combine sources from different formats and resolution.<\/p>\n<p>Letterboxing and pillarboxing are definitely better than stretching non-proportionally, and usually preferable to cropping.<\/p>\n<p>For this assignment try to find the dominant aspect ratio of your sources, early on in the project in order to minimize the mismatches.<\/p>\n<h1>File Formats<\/h1>\n<p>A file format is indicated by the file extension.<br \/>\nIf you can&#8217;t see the extensions you <strong>absolutely have to enable them.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-40\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-10.46.33-AM.png\" alt=\"\" width=\"740\" height=\"634\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-10.46.33-AM.png 740w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Screen-Shot-2019-01-13-at-10.46.33-AM-300x257.png 300w\" sizes=\"auto, (max-width: 740px) 85vw, 740px\" \/><\/p>\n<p>Congratulations! You are officially a digital media creator!<\/p>\n<p>The most common formats for video files are:<\/p>\n<p><strong>.mp4 <\/strong>used by most internet video sites. Premiere handles it well.<br \/>\n<strong>.mov <\/strong>Apple&#8217;s proprietary format. If you record the screen that&#8217;s what you get.\u00a0Premiere handles it well.<br \/>\n<strong>.avi and\u00a0.mkv\u00a0<\/strong>You may find them on pirate sites. Not optimal for editing, conversion is recommended.<\/p>\n<h1>Codecs<\/h1>\n<p>Codes are ways to compress video and depends on the purpose : filming, streaming, viewing on DVD, editing, storing, sharing on p2p networks.<br \/>\nThese are different processes with different technical needs.<\/p>\n<p><strong>h264 <\/strong>is the most common codec for online video, it can look good, but it&#8217;s very compressed.<\/p>\n<p><strong>Prores<\/strong>\u00a0are common codecs for editing. In the future when you shoot you your own videos from the camera you want to convert the footage to prores.<\/p>\n<p>For example this frame is compressed but acceptable<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-41\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/h264-grab-1280x720-1.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/h264-grab-1280x720-1.png 1280w, http:\/\/mycours.es\/ems\/files\/2019\/01\/h264-grab-1280x720-1-300x169.png 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/h264-grab-1280x720-1-768x432.png 768w, http:\/\/mycours.es\/ems\/files\/2019\/01\/h264-grab-1280x720-1-1024x576.png 1024w, http:\/\/mycours.es\/ems\/files\/2019\/01\/h264-grab-1280x720-1-1200x675.png 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/p>\n<p>But when you change the exposure you see the artifact ugh.\u00a0This can be a big issue when doing chroma keying for example.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-42\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Sunset-graded-1-1280x720.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/Sunset-graded-1-1280x720.png 1280w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Sunset-graded-1-1280x720-300x169.png 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Sunset-graded-1-1280x720-768x432.png 768w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Sunset-graded-1-1280x720-1024x576.png 1024w, http:\/\/mycours.es\/ems\/files\/2019\/01\/Sunset-graded-1-1280x720-1200x675.png 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/p>\n<p><strong>Encoding and Transcoding<\/strong> is the process of converting a digital video from a format to another<\/p>\n<p>If your file is unreadable in the editing software or it glitches out, you might need a transcoding program.<\/p>\n<p>Adobe CC has a Media Encoder app integrated with Premiere and After Effects.<br \/>\nThe best free application is <a href=\"http:\/\/www.squared5.com\/\">MPEG streamclip<\/a><\/p>\n<h1>Interlaced vs Progressive scan<\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/interlaced_hand.jpg\" alt=\"\" width=\"800\" height=\"599\" srcset=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/interlaced_hand.jpg 800w, http:\/\/mycours.es\/ems\/files\/2019\/01\/interlaced_hand-300x225.jpg 300w, http:\/\/mycours.es\/ems\/files\/2019\/01\/interlaced_hand-768x575.jpg 768w\" sizes=\"auto, (max-width: 800px) 85vw, 800px\" \/><\/p>\n<p>Some footage from the TV era may be interlaced and you may see scan lines when displayed on modern progressive scan displays. It&#8217;s not cool and it&#8217;s not retro so always deinterlace.<br \/>\nOn Premiere: right click &gt; field options &gt; deinterlace.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-49 aligncenter\" src=\"http:\/\/mycours.es\/ems\/files\/2019\/01\/deinterlace.gif\" alt=\"\" width=\"505\" height=\"281\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Appropriating video for art: is it Legal? Fair use is a doctrine in United States copyright law that allows limited use of copyrighted material without requiring permission from the rights holders, such as for commentary, criticism, news reporting, research, teaching or scholarship. Appropriation for art is accepted where the use is deemed transformative. Left:\u00a0Art Rogers,\u00a0Puppies, &hellip; <a href=\"http:\/\/mycours.es\/ems\/finding-videos-resolution-codecs-formats\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Finding videos, resolution, codecs, formats&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":25,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-186","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/mycours.es\/ems\/wp-json\/wp\/v2\/pages\/186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mycours.es\/ems\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/mycours.es\/ems\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/mycours.es\/ems\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mycours.es\/ems\/wp-json\/wp\/v2\/comments?post=186"}],"version-history":[{"count":2,"href":"http:\/\/mycours.es\/ems\/wp-json\/wp\/v2\/pages\/186\/revisions"}],"predecessor-version":[{"id":1573,"href":"http:\/\/mycours.es\/ems\/wp-json\/wp\/v2\/pages\/186\/revisions\/1573"}],"wp:attachment":[{"href":"http:\/\/mycours.es\/ems\/wp-json\/wp\/v2\/media?parent=186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}