{"id":680,"date":"2011-11-15T23:34:13","date_gmt":"2011-11-15T21:34:13","guid":{"rendered":"http:\/\/www.tonmeister.ca\/wordpress\/?p=680"},"modified":"2011-11-15T23:34:13","modified_gmt":"2011-11-15T21:34:13","slug":"practice-makes-permanent","status":"publish","type":"post","link":"http:\/\/www.tonmeister.ca\/wordpress\/2011\/11\/15\/practice-makes-permanent\/","title":{"rendered":"practice makes permanent"},"content":{"rendered":"<p>so, i went looking for the math to make a slat absorber (a.k.a. a slot absorber &#8211; depending on whether you&#8217;re a glass-half-full or a glass-half-empty kind of person&#8230;) this week. turns out that, if you search for the equations to build one, you&#8217;ll probably get the wrong answer. this is most likely due to a typo in a book that got copied in the next edition of the same book, and then, through the power of the internet and a procedure used in elite circles called &#8220;copy-and-paste&#8221;, was widely distributed. my dad always said that practice doesn&#8217;t make perfect &#8211; it makes permanent. practice a mistake, and you&#8217;ll be stuck with it.<\/p>\n<p>anyways, the correct equation for a slat absorber and\u00a0the discussion regarding the identification of the discrepancy can be found <a href=\"http:\/\/www.natscience.com\/Uwe\/Forum.aspx\/acoustics\/228\/Helmholtz-Resonators-Slat-Absorbers-Bass-Traps\">here<\/a> and, in more depth, <a href=\"http:\/\/forum.studiotips.com\/viewtopic.php?t=94\">here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>so, i went looking for the math to make a slat absorber (a.k.a. a slot absorber &#8211; depending on whether you&#8217;re a glass-half-full or a glass-half-empty kind of person&#8230;) this week. turns out that, if you search for the equations to build one, you&#8217;ll probably get the wrong answer. this is most likely due to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3],"tags":[],"class_list":["post-680","post","type-post","status-publish","format-standard","hentry","category-fluff"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p48hIM-aY","_links":{"self":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/comments?post=680"}],"version-history":[{"count":1,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/680\/revisions"}],"predecessor-version":[{"id":681,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/680\/revisions\/681"}],"wp:attachment":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/media?parent=680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/categories?post=680"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/tags?post=680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}