{"id":115,"date":"2010-03-22T16:55:50","date_gmt":"2010-03-22T16:55:50","guid":{"rendered":"http:\/\/lushprojects.com\/blog\/?p=115"},"modified":"2010-03-22T16:55:50","modified_gmt":"2010-03-22T16:55:50","slug":"videobending-utility-functions","status":"publish","type":"post","link":"https:\/\/lushprojects.com\/blog\/2010\/03\/videobending-utility-functions\/","title":{"rendered":"Videobending Utility Functions"},"content":{"rendered":"<p>I&#8217;ve used the spare half of the <a href=\"http:\/\/www.lushprojects.com\/videobend\/#downthebar\">Down The Bar<\/a> case to house some utility functions that are useful for getting effects on video bends.<\/p>\n<p>The functions are:<\/p>\n<ul>\n<li>Two voltage controlled amplifiers based on <a href=\"http:\/\/electronicdesign.com\/content.aspx?topic=op-amp-and-two-jfets-form-a-voltage-controlled-amp&#038;catpath=analog-and-mixed-signal\">this design<\/a>\t<\/li>\n<li>Sum\/difference amplifier for the output of the two VCAs<\/li>\n<li>Schmitt trigger with controllable threshold and hysteresis<\/li>\n<li>Analog meters to show the DC level and AC level of the output from the sum\/difference amp<br \/>\nTwo 555-based LFOs<\/li>\n<\/ul>\n<p>With all this to hand the you can create a lot richer effects, and the LFOs allow some &#8220;hands free&#8221; dynamic effects.<\/p>\n<div id=\"attachment_116\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/lushprojects.com\/blog\/wp-content\/uploads\/utilityfunctions.jpg\"><img aria-describedby=\"caption-attachment-116\" decoding=\"async\" loading=\"lazy\" src=\"http:\/\/lushprojects.com\/blog\/wp-content\/uploads\/utilityfunctions-300x171.jpg\" alt=\"Video Bending Utility Functions\" title=\"Video Bending Utility Functions\" width=\"300\" height=\"171\" class=\"size-medium wp-image-116\" srcset=\"https:\/\/lushprojects.com\/blog\/wp-content\/uploads\/utilityfunctions-300x171.jpg 300w, https:\/\/lushprojects.com\/blog\/wp-content\/uploads\/utilityfunctions-1024x586.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-116\" class=\"wp-caption-text\">Video Bending Utility Functions<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;ve used the spare half of the Down The Bar case to house some utility functions that are useful for getting effects on video bends. The functions are: Two voltage controlled amplifiers based on this design Sum\/difference amplifier for the output of the two VCAs Schmitt trigger with controllable threshold and hysteresis Analog meters to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"_links":{"self":[{"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/posts\/115"}],"collection":[{"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/comments?post=115"}],"version-history":[{"count":10,"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/posts\/115\/revisions"}],"predecessor-version":[{"id":126,"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/posts\/115\/revisions\/126"}],"wp:attachment":[{"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/media?parent=115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/categories?post=115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lushprojects.com\/blog\/wp-json\/wp\/v2\/tags?post=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}