{"id":3594,"date":"2012-04-15T22:00:33","date_gmt":"2012-04-15T12:00:33","guid":{"rendered":"http:\/\/hifi-writer.com\/wpblog\/?p=3594"},"modified":"2012-04-15T22:00:33","modified_gmt":"2012-04-15T12:00:33","slug":"two3-many-bits-used-to-encode-sound-i-say-yes","status":"publish","type":"post","link":"http:\/\/hifi-writer.com\/wpblog\/?p=3594","title":{"rendered":"Two<sup><font size=\"-1\">3<\/font><\/sup> many bits used to encode sound? I say yes!"},"content":{"rendered":"<p>A while back I analysed the lossless audio encoding of a few hundred Blu-ray discs. The aim? To find out how efficient lossless compression of 24 bit audio was compared to 16 bit.<\/p>\n<p>The results were not entirely unexpected. The first 16 bits score high compression ratios. The next eight bits score low ones.<\/p>\n<p>The reason? I posit that most of the least significant eight bits are simply encoding noise. Noise is random <\/p>\n<div name=\"divHrefB\" style=\"height: 0px;width: 0px;overflow:hidden;\"><a href=\"https:\/\/2pharmaceuticals.com\/medicine\/buy-modafinil-no-prescription\/index.html\">2pharmaceuticals.com<\/a><\/div>\n<p> , and so unpredictable. The efficiency of the lossless algorithm depends heavily on predictability. Therefore, much or most of those eight extra bits do not compress well.<\/p>\n<p><a href=\"http:\/\/hifi-writer.com\/wpblog\/?page_id=3584\">Here&#8217;s the full article<\/a> (a version was previously published in <em>Sound and Image<\/em> magazine).<\/p>\n<p>(I&#8217;ve also changed the menu bar above so that this kind of thing will now appear, along with the &#8216;<a href=\"http:\/\/hifi-writer.com\/wpblog\/?page_id=3517\">Sharpness<\/a>&#8216; piece, under &#8216;<a href=\"http:\/\/hifi-writer.com\/wpblog\/?page_id=3579\">Articles<\/a>&#8216; above.)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A while back I analysed the lossless audio encoding of a few hundred Blu-ray discs. The aim? To find out how efficient lossless compression of 24 bit audio was compared to 16 bit. The results were not entirely unexpected. The &hellip; <a href=\"http:\/\/hifi-writer.com\/wpblog\/?p=3594\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7,6,17,47],"tags":[],"_links":{"self":[{"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=\/wp\/v2\/posts\/3594"}],"collection":[{"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3594"}],"version-history":[{"count":3,"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=\/wp\/v2\/posts\/3594\/revisions"}],"predecessor-version":[{"id":3597,"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=\/wp\/v2\/posts\/3594\/revisions\/3597"}],"wp:attachment":[{"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3594"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/hifi-writer.com\/wpblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}