{"id":415,"date":"2007-04-14T20:36:35","date_gmt":"2007-04-15T03:36:35","guid":{"rendered":"http:\/\/multimedia.cx\/eggs\/classical-audio\/"},"modified":"2007-04-14T21:02:42","modified_gmt":"2007-04-15T04:02:42","slug":"classical-audio","status":"publish","type":"post","link":"https:\/\/multimedia.cx\/eggs\/classical-audio\/","title":{"rendered":"Classical Audio"},"content":{"rendered":"<p><a href=\"http:\/\/www.oldskool.org\/\">Trixter<\/a>, digital P.I. and archaeologist, has been tracking down authors who long ago reverse engineered custom audio formats. He stalked down one Adrienne Cousins, the author of a program called Sputter, a multi-format audio file encoder\/decoder&#8230; all in 16-bit x86 ASM! The source includes codecs for the <a href=\"http:\/\/multimedia.cx\/eggs\/covox-adpcm\/\">Covox ADPCM<\/a> formats mentioned recently. Thanks to <a href=\"http:\/\/codecs.multimedia.cx\/\">Kostya<\/a>, though, for independently reverse engineering and <a href=\"http:\/\/wiki.multimedia.cx\/index.php?title=Covox_ADPCM\">documenting the format<\/a>.<\/p>\n<p>Still, there might be some other gems in the Sputter source code. The author has granted permission to redistribute the source, and it is now in this directory: <a href=\"http:\/\/samples.mplayerhq.hu\/A-codecs\/CreativeADPCM8bit\/\">http:\/\/samples.mplayerhq.hu\/A-codecs\/CreativeADPCM8bit\/<\/a>. Also in that directory is a package called VEDIT.rar which contains an old EGA-based program that is able to encode VOC files to that arcane 2.6-bit ADPCM format that the Sound Blaster could encode and decode in hardware. If reversed engineered, it might describe how the 2.6-bit algorithm works.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trixter, digital P.I. and archaeologist, has been tracking down authors who long ago reverse engineered custom audio formats. He stalked down one Adrienne Cousins, the author of a program called Sputter, a multi-format audio file encoder\/decoder&#8230; all in 16-bit x86 ASM! The source includes codecs for the Covox ADPCM formats mentioned recently. Thanks to Kostya, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[],"class_list":["post-415","post","type-post","status-publish","format-standard","hentry","category-open-source-multimedia","category-reverse-engineering"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Trixter, digital P.I. and archaeologist, has been tracking down authors who long ago reverse engineered custom audio formats. He stalked down one Adrienne Cousins, the author of a program called Sputter, a multi-format audio file encoder\/decoder... all in 16-bit x86 ASM! The source includes codecs for the Covox ADPCM formats mentioned recently. 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