{"id":2595,"date":"2010-07-13T21:34:49","date_gmt":"2010-07-14T04:34:49","guid":{"rendered":"http:\/\/multimedia.cx\/eggs\/?p=2595"},"modified":"2010-10-15T11:24:00","modified_gmt":"2010-10-15T18:24:00","slug":"lego-mindstorms-rso-format","status":"publish","type":"post","link":"https:\/\/multimedia.cx\/eggs\/lego-mindstorms-rso-format\/","title":{"rendered":"Lego Mindstorms RSO Format"},"content":{"rendered":"<p>I recently read a magazine article about <a href=\"http:\/\/en.wikipedia.org\/wiki\/Lego_Mindstorms\">Lego Mindstorms<\/a>. Naturally, the item that caught my eye was the mention of a bit of Lego software that converts various audio file formats to a custom format called RSO that can be downloaded into a Mindstorms project to make the creation output audio. To read different sources, one might be left with the impression that there is something super-duper top secret proprietary about the format. Such impressions do not hold up under casual analysis of a <a href=\"http:\/\/www.nxtprograms.com\/sounds\/\">sample file<\/a>.<\/p>\n<p>A Google search for &#8220;filetype:rso&#8221; yielded a few pre-made samples that I have mirrored into <a href=\"http:\/\/samples.mplayerhq.hu\/A-codecs\/rso\/\">the samples archive<\/a>. The format appears to be an 8-byte header followed by unsigned, 8-bit PCM. <a href=\"http:\/\/wiki.multimedia.cx\/index.php?title=RSO\">More on the wiki.<\/a> If FFmpeg could gain an RSO file muxer, that would presumably be a heroic feat to the Lego hacking community.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I recently read a magazine article about Lego Mindstorms. Naturally, the item that caught my eye was the mention of a bit of Lego software that converts various audio file formats to a custom format called RSO that can be downloaded into a Mindstorms project to make the creation output audio. To read different sources, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2595","post","type-post","status-publish","format-standard","hentry","category-general"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/posts\/2595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/comments?post=2595"}],"version-history":[{"count":4,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/posts\/2595\/revisions"}],"predecessor-version":[{"id":2965,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/posts\/2595\/revisions\/2965"}],"wp:attachment":[{"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/media?parent=2595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/categories?post=2595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/tags?post=2595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}