{"id":778,"date":"2020-05-11T16:45:00","date_gmt":"2020-05-11T14:45:00","guid":{"rendered":"http:\/\/xaviergazon.com\/?p=778"},"modified":"2020-05-14T14:38:15","modified_gmt":"2020-05-14T12:38:15","slug":"chromatic-optical-color-sequencer","status":"publish","type":"post","link":"https:\/\/xaviergazon.com\/?p=778","title":{"rendered":"CHROMATIC \u2013 optical color sequencer"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong><span class=\"has-inline-color has-thb-accent-color\">Chromatic is a circular sequencer that transforms colors as musical notes.<\/span><\/strong><br>Sequences speed can be change by potentiometer, direction by a switch and you can manually changes color sequences with the finger lever along the turntable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It uses Teensy micro controller and color\/distance sensor to convert color in MIDI notes.<br>One sensor was also added to detect and create clock trigger for modular and old school drum machines with the white point at the edge of the turntable.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>CHROMATIC is inspired by some early 20th century electronic instruments that used colors and light to create music as the Optophonic Piano from Vladimir Rossin\u00e9<br>(1916), Luminaphone from Harry Grindell Matthews &amp; Bernard.J.Lynes (1925) and, Cellulophone\u2019- from Pierre Toulon &amp; Krugg Bass (1927).<\/p><\/blockquote>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"flex-video widescreen youtube\"><iframe loading=\"lazy\" title=\"CHROMATIC - optical color sequencer\" width=\"1170\" height=\"878\" src=\"https:\/\/www.youtube.com\/embed\/ljxQYGn5PMU?feature=oembed&#038;showinfo=0&#038;rel=0&#038;modestbranding=1\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">T<em>hese version is still in beta test and in the demo Xavier Gazon plays with triad chord quantizer with random chord notes order to produce variations on choosen musical scale.<\/em><br><br>There are some features to improve playability :<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>3 MIDI controllers potentiometers<\/li><li>1x slide controller that can be use as classic control or as manual triggers : 2 triggers at the extreme position and one in the middle.<\/li><li>One sensor count the white traces on the edges of the turntable to create an analog and MIDI clock to sync with others instruments (modular and MIDI)<\/li><li>one sensor calculate the height of the color sensor with the object to control other parameter.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Chromatic is a circular sequencer that transforms colors as musical notes.Sequences speed can be change by potentiometer, direction by a switch and you can manually changes color sequences with the finger lever along the turntable. 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