{"id":53764,"date":"2023-01-18T10:00:51","date_gmt":"2023-01-18T15:00:51","guid":{"rendered":"https:\/\/producelikeapro.com\/blog\/?p=53764"},"modified":"2023-03-31T12:59:58","modified_gmt":"2023-03-31T17:59:58","slug":"understanding-shepard-tone-effect","status":"publish","type":"post","link":"https:\/\/producelikeapro.com\/blog\/understanding-shepard-tone-effect\/","title":{"rendered":"Understanding the Shepard Tone Effect and How It Creates Tension"},"content":{"rendered":"<div id=\"produ-1828862665\" class=\"produ-leaderboard-placement produ-entity-placement\" style=\"margin-left: auto;margin-right: auto;text-align: center;margin-bottom: 30px!important;\"><script async=\"async\" src=\"https:\/\/securepubads.g.doubleclick.net\/tag\/js\/gpt.js\"><\/script>\n<script> var googletag = googletag || {}; googletag.cmd = googletag.cmd || [];<\/script>\n<div id=\"gpt-ad-2634905419642-0\">\n  <script>\n\tgoogletag.cmd.push(function() {\n\t\t\t\tgoogletag.defineSlot( '\/21927241144\/728x90-Leaderboard', [728,90], 'gpt-ad-2634905419642-0' )\n\t\t.addService(googletag.pubads());\n\t\t\t\twindow.advadsGamEmptySlotsTimers = window.advadsGamEmptySlotsTimers || {};\n\t\tconst timers                     = window.advadsGamEmptySlotsTimers;\n\n\t\ttimers['gpt-ad-2634905419642-0'] = setTimeout( function () {\n\t\t\tconst id = 'gpt-ad-2634905419642-0';\n\t\t\tdocument.dispatchEvent( new CustomEvent( 'aagam_empty_slot', {detail: id} ) );\n\t\t\tdelete ( timers[id] );\n\t\t}, 1000 );\n\n\t\tif ( typeof window.advadsGamHasEmptySlotListener === 'undefined' ) {\n\t\t\tgoogletag.pubads().addEventListener( 'slotRequested', function ( ev ) {\n\t\t\t\tconst id = ev.slot.getSlotElementId();\n\t\t\t\tif ( typeof timers[id] === 'undefined' ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tclearTimeout( timers[id] );\n\t\t\t\ttimers[id] = setTimeout( function () {\n\t\t\t\t\tdocument.dispatchEvent( new CustomEvent( 'aagam_empty_slot', {detail: id} ) );\n\t\t\t\t\tdelete ( timers[id] );\n\t\t\t\t}, 2500 );\n\t\t\t} );\n\t\t\tgoogletag.pubads().addEventListener( 'slotResponseReceived', function ( ev ) {\n\t\t\t\tconst id = ev.slot.getSlotElementId();\n\t\t\t\tif ( typeof timers[id] !== 'undefined' ) {\n\t\t\t\t\tclearTimeout( timers[id] );\n\t\t\t\t\tdelete ( timers[id] );\n\t\t\t\t}\n\t\t\t\tif ( ! ev.slot.getResponseInformation() ) {\n\t\t\t\t\tdocument.dispatchEvent( new CustomEvent( 'aagam_empty_slot', {detail: id} ) );\n\t\t\t\t}\n\t\t\t} );\n\t\t\twindow.advadsGamHasEmptySlotListener = true;\n\t\t}\n\n\t\tgoogletag.enableServices();\n\t\tgoogletag.display( 'gpt-ad-2634905419642-0' );\n\t} );\n  <\/script>\n<\/div>\n<\/div><p>Some of the effects we employ in sound design, mixing, and even songwriting take advantage of our perception of sound\u2014a branch of science known as <a href=\"https:\/\/producelikeapro.com\/blog\/haas-effect\/\">psychoacoustics<\/a>. The Shepard tone is a prominent example of how our ears can trick us!<\/p>\n<h2>What Is the Shepard Tone Effect?<\/h2>\n<div class=\"flex-video widescreen youtube\">\n<div class=\"container-lazyload preview-lazyload container-youtube js-lazyload--not-loaded\"><a href=\"https:\/\/www.youtube.com\/watch?v=BzNzgsAE4F0\" class=\"lazy-load-youtube preview-lazyload preview-youtube\" data-video-title=\"Shepard Tone\" title=\"Play video &quot;Shepard Tone&quot;\">https:\/\/www.youtube.com\/watch?v=BzNzgsAE4F0<\/a><noscript>Video can&#8217;t be loaded because JavaScript is disabled: <a href=\"https:\/\/www.youtube.com\/watch?v=BzNzgsAE4F0\" title=\"Shepard Tone\">Shepard Tone (https:\/\/www.youtube.com\/watch?v=BzNzgsAE4F0)<\/a><\/noscript><\/div>\n<\/div>\n<p>The Shepard tone is colloquially referred to as an auditory illusion. The effect is an endless ascension of pitch, seemingly rising to some sort of resolution but never getting there. Many people call it the sonic equivalent of a barber pole. At best, it&#8217;s unsettling to hear.<\/p>\n<p>Even if you&#8217;ve never defined it by name, you&#8217;ve most certainly heard the Shepard tone; more than likely, in a film. The tension it creates is undeniable, which is why sound designers and composers rely on this powerful illusion to highlight dramatic moments on screen.<\/p>\n<h3>How Does the Effect Work?<\/h3>\n<p>Cognitive scientist Roger Shepard discovered the illusion 1964. At the most basic level, the effect starts with a set of sine waves at the same pitch, layered together across every octave. A Shepard tone doesn&#8217;t have one fundamental frequency.<\/p>\n<p>To create the &#8220;movement&#8221; that we associate with the sound, the sine waves need to ascend the chromatic scale. This is also why you&#8217;ll sometimes hear the term Shepard &#8220;scale&#8221; used to describe the phenomenon.<\/p>\n<h2>How Is Shepard Tone Created?<\/h2>\n<p>The key to creating the effect is varying the volumes between octaves. Let&#8217;s take a step back and visualize an ascending chromatic scale; now picture that scale copied and pasted in your piano roll in multiple octaves. We&#8217;re almost there! Now, imagine certain octaves going from soft to loud, and others from loud to soft. That&#8217;s how we create a Shepard tone, or scale.<\/p>\n<p>Each step of the scale fades in and out with the others, and the result is a smooth transition from note to note and octave to octave. Our brain fails to perceive the &#8220;loop,&#8221; and instead interprets the sound as a constantly ascending scale with no resolution. You can also reverse the order and create a never-ending descension, too. Feeling dizzy yet?<\/p>\n<h2>How to Use the Effect to Create Tension<\/h2>\n<p>As it is, the Shepard tone is a naturally tense and eerie sound. It definitely has a science fiction-esque quality to it, sort of like the classic hovering UFO sound we&#8217;ve all heard countless times. If you&#8217;re a sound designer, post-production engineer, composer, or producer, you&#8217;ll want to give the Shepard tone a try anywhere the film or song needs some\u00a0<em>drama<\/em>.<\/p>\n<p>The tension is inherent, so it&#8217;s up to you when and how to employ the effect. Even if you never find the opportunity to use it in your productions, the Shepard tone is one of those weird psychoacoustic phenomena illustrating the unique interaction between our ears and our brain\u2014fun stuff!<\/p>\n<div class=\"flex-video widescreen youtube\">\n<div class=\"container-lazyload preview-lazyload container-youtube js-lazyload--not-loaded\"><a href=\"https:\/\/www.youtube.com\/watch?v=53N99Nim6WE\" class=\"lazy-load-youtube preview-lazyload preview-youtube\" data-video-title=\"Echoes\" title=\"Play video &quot;Echoes&quot;\">https:\/\/www.youtube.com\/watch?v=53N99Nim6WE<\/a><noscript>Video can&#8217;t be loaded because JavaScript is disabled: <a href=\"https:\/\/www.youtube.com\/watch?v=53N99Nim6WE\" title=\"Echoes\">Echoes (https:\/\/www.youtube.com\/watch?v=53N99Nim6WE)<\/a><\/noscript><\/div>\n<\/div>\n<p>The ending of &#8220;Echoes&#8221; by Pink Floyd features a prominent descending Shepard tone. Check it out!<\/p>\n<ul>\n<li>SEE ALSO: <a href=\"https:\/\/producelikeapro.com\/blog\/proximity-effect\/\">Proximity Effect &#8211; 3 Tips to Reduce It<\/a><\/li>\n<li>SEE ALSO<strong>:<\/strong> <a href=\"https:\/\/producelikeapro.com\/blog\/overtone-series\/\">What Is the Overtone Series &amp; How Do Overtones Work?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Some of the effects we employ in sound design, mixing, and even songwriting take advantage of our perception of sound\u2014a branch of science known as psychoacoustics. The Shepard tone is a prominent example of how our ears can trick us! What Is the Shepard Tone Effect? https:\/\/www.youtube.com\/watch?v=BzNzgsAE4F0Video can&#8217;t be loaded because JavaScript is disabled: Shepard&hellip;<\/p>\n","protected":false},"author":3,"featured_media":53766,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[1],"tags":[11442,11692,11936,11937,11935],"class_list":["post-53764","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-audio-engineering","tag-effects","tag-psychoacoustics","tag-shepard-tone","tag-tension","tag-understanding-the-shepard-tone-effect-and-how-it-creates-tension"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - 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