{"id":149,"date":"2005-11-15T17:06:05","date_gmt":"2005-11-16T00:06:05","guid":{"rendered":"http:\/\/multimedia.cx\/eggs\/?p=149"},"modified":"2005-11-21T14:05:43","modified_gmt":"2005-11-21T21:05:43","slug":"microsoft-video-1-based-on-dct","status":"publish","type":"post","link":"https:\/\/multimedia.cx\/eggs\/microsoft-video-1-based-on-dct\/","title":{"rendered":"Microsoft Video-1 Based on DCT?"},"content":{"rendered":"

I recently learned that Wikipedia<\/a> has an entry for Microsoft Video-1<\/a>. The entry makes two assertions of which I was heretofore unaware:<\/p>\n

    \n
  1. the codec was licensed from Media Vision and is based on a codec called MotiVE<\/li>\n
  2. the codec was based on the discrete cosine transform (DCT)<\/li>\n<\/ol>\n

    I can accept assertion #1 but I have trouble with the second. I just don’t see it. Per my understanding Video-1 falls into the category of vector quantizer. I did a quick Google search for “media vision motive cosine” to search for supporting details. This page supports<\/a> the DCT claim. But it also claims that Duck TrueMotion 1 is a vector quantizer (nope). Here is another page<\/a> that mentions the MotiVE connection but pegs Video-1 as a vector quantizer.<\/p>\n

    At least the Wikipedia article links to my Video-1 description<\/a> so interested parties can investigate the details for themselves.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Some say that Microsoft Video-1 is based on the discrete cosine transform…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-149","post","type-post","status-publish","format-standard","hentry","category-codec-technology"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t