{"id":1183,"date":"2013-11-19T03:12:21","date_gmt":"2013-11-19T03:12:21","guid":{"rendered":"http:\/\/aaron-sherwood.com\/blog\/?p=1183"},"modified":"2013-11-19T03:12:21","modified_gmt":"2013-11-19T03:12:21","slug":"genetic-algorithm-chord-progression-generator-idea","status":"publish","type":"post","link":"https:\/\/aaron-sherwood.com\/blog\/?p=1183","title":{"rendered":"Genetic Algorithm Chord Progression Generator &#8211; idea"},"content":{"rendered":"<p>I&#8217;d like to create a plugin for DAW&#8217;s and\/or an iPhone app that generates chord progressions genetically. This would start with a large database of chord progressions from all types of music that I will accumulate.<\/p>\n<p><strong>Algorithm<\/strong><\/p>\n<ul>\n<li>initial population is a random selection of progressions from the database<\/li>\n<li>initial crossover will happen at random from initial population without fitness to generate something for the user to listen to<\/li>\n<li>fitness will be two parts: 1.\u00a0user will listen and rate how the progression sounds. 2. chord progressions adhering more closely to voice leading rules will receive higher fitness<\/li>\n<li>mutation will happen to random parts of the population with a markov chain analysis of the entire database<\/li>\n<\/ul>\n<p><strong>User Interface<\/strong><\/p>\n<ul>\n<li>knobs: 1. evaluating fitness, 2. changing tempo of chord progression (playback), 3. changing rhythm (playback)<\/li>\n<li>buttons: 1. evolving to next round (will evolve only once then loop new chord progression), 2. starting over with completely new population, 3. adding current chord progression to database (database evolves too)<\/li>\n<li>screen for feedback<\/li>\n<\/ul>\n<p>Here is a quick initial UI mockup:<\/p>\n<p><a href=\"http:\/\/aaron-sherwood.com\/blog\/wp-content\/uploads\/2013\/11\/chordGeneratorUI.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1184\" alt=\"chordGeneratorUI\" src=\"http:\/\/aaron-sherwood.com\/blog\/wp-content\/uploads\/2013\/11\/chordGeneratorUI.jpg\" width=\"960\" height=\"640\" srcset=\"https:\/\/aaron-sherwood.com\/blog\/wp-content\/uploads\/2013\/11\/chordGeneratorUI.jpg 960w, https:\/\/aaron-sherwood.com\/blog\/wp-content\/uploads\/2013\/11\/chordGeneratorUI-300x200.jpg 300w, https:\/\/aaron-sherwood.com\/blog\/wp-content\/uploads\/2013\/11\/chordGeneratorUI-450x300.jpg 450w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;d like to create a plugin for DAW&#8217;s and\/or an iPhone app that generates chord progressions genetically. This would start with a large database of chord progressions from all types of music that I will accumulate. Algorithm initial population is &hellip; <a href=\"https:\/\/aaron-sherwood.com\/blog\/?p=1183\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77,3,1],"tags":[],"class_list":["post-1183","post","type-post","status-publish","format-standard","hentry","category-evolution-as-a-creative-tool","category-itp","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1183","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1183"}],"version-history":[{"count":11,"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1183\/revisions"}],"predecessor-version":[{"id":1195,"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1183\/revisions\/1195"}],"wp:attachment":[{"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aaron-sherwood.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}