http://avisynth.nl/index.php?action=history&feed=atom&title=Aspect_ratios 2026-04-07T21:50:54Z Revision history for this page on the wiki MediaWiki 1.19.24 http://avisynth.nl/index.php?title=Aspect_ratios&diff=4238&oldid=prev 2014-09-19T04:30:52Z

<p><a href="/index.php/Category:Advanced_topics" title="Category:Advanced topics">Category:Advanced_topics</a></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 04:30, 19 September 2014</td> </tr><tr><td colspan="2" class="diff-lineno">Line 52:</td> <td colspan="2" class="diff-lineno">Line 52:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:AviSynth_Usage]]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:AviSynth_Usage]]</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[Category:Advanced_topics]]</ins></div></td></tr> </table>

Raffriff42 http://avisynth.nl/index.php?title=Aspect_ratios&diff=27&oldid=prev 2013-05-09T15:01:12Z

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Admin http://avisynth.nl/index.php?title=Aspect_ratios&diff=26&oldid=prev 2010-08-02T13:36:30Z

<p>‎<span dir="auto"><span class="autocomment">Online Calculators</span></span></p> <p><b>New page</b></p><div>== Introduction ==<br /> [[Image:Mikeytown2_aspectratio.png‎]]<br /> <br /> Diagram above is an example of the calculations one can do with a DVD source (left side). This is an oversimplified DVD example (numbers are not 100% accurate, the math is), but it should help in understanding what is going on.<br /> <br /> <br /> === Acronyms and their possible meanings ===<br /> AR: Aspect Ratio<br /> <br /> DAR: Display Aspect Ratio<br /> <br /> FAR: Frame Aspect Ratio<br /> <br /> IAR: Image Aspect Ratio; Intended Aspect Ratio<br /> <br /> MAR: Movie Aspect Ratio; Modified Aspect Ratio<br /> <br /> OAR: Original Aspect Ratio<br /> <br /> PAR: Pixel Aspect Ratio; Picture Aspect Ratio<br /> <br /> RAR: Raster Aspect Ratio<br /> <br /> SAR: Sample Aspect Ratio; Signal Aspect Ratio; Source Aspect Ratio; Storage Aspect Ratio<br /> <br /> == Online Calculators ==<br /> http://smok3.bplaced.net/resize/<br /> <br /> http://www.digitalrebellion.com/pixel_calc.htm<br /> <br /> http://www.digitalrebellion.com/aspect_calc.htm<br /> <br /> == Software DVD players and DAR ==<br /> <br /> http://www.doom9.org/aspectratios.htm<br /> <br /> == Specifications ==<br /> <br /> mpeg-1 specs: http://forum.doom9.org/showthread.php?p=685662#post685662 (ISO/IEC 11172 Part 2, Chapter 2.4.3.2 &quot;Sequence header&quot;; pel_aspect_ratio)<br /> <br /> mpeg-2 specs: http://forum.doom9.org/showthread.php?p=685658#post685658 (DAR, SAR)<br /> <br /> mpeg-2 specs: http://forum.doom9.org/showthread.php?p=685854#post685854 (ISO/IEC 14496 Part 2)<br /> <br /> mpeg-4 specs: http://forum.doom9.org/showthread.php?p=686948#post686948 (no SAR)<br /> <br /> h264/AVC specs: http://forum.doom9.org/showthread.php?p=686958#post686958 (only SAR)<br /> <br /> == ITU standard ==<br /> <br /> http://www.doom9.org/capture/par.html<br /> <br /> [[Category:AviSynth_Usage]]</div>

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