{"id":5486,"date":"2021-03-23T10:31:38","date_gmt":"2021-03-23T08:31:38","guid":{"rendered":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486"},"modified":"2025-07-01T16:20:17","modified_gmt":"2025-07-01T15:20:17","slug":"compact-disc-system-aspects-and-modulation","status":"publish","type":"post","link":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486","title":{"rendered":"Compact Disc: System Aspects and Modulation"},"content":{"rendered":"<p>Philips tech. Rev. 40, 157-164, 1982, No. 6<\/p>\n<div class=\"page\" title=\"Page 1\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>In this article we shall deal in more detail with the various factors that had to be weighed one against the other in the design of the Compact Disc system. In particular we shall discuss the EFM modulation system (&#8216;Eight-to-Fourteen Modulation&#8217;), which helps to produce the desired high information density on the disc.<\/p>\n<p><span style=\"color: #3366ff;\">Link -&gt; <a style=\"color: #3366ff;\" href=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/PTechReview-40-1982-157.pdf\">PTechReview-40-1982-157<\/a><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5489 alignnone\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1.jpg\" alt=\"\" width=\"1596\" height=\"936\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1.jpg 1596w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1-300x176.jpg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1-800x469.jpg 800w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1-768x450.jpg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1-1536x901.jpg 1536w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1-720x422.jpg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1-520x305.jpg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulation-1-320x188.jpg 320w\" sizes=\"auto, (max-width: 1596px) 100vw, 1596px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Philips tech. Rev. 40, 157-164, 1982, No. 6 In this article we shall deal in more detail with the various factors that had to be weighed one against the other in the design of&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":5559,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-5486","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Compact Disc: System Aspects and Modulation - Bram Jacobse<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Compact Disc: System Aspects and Modulation - Bram Jacobse\" \/>\n<meta property=\"og:description\" content=\"Philips tech. Rev. 40, 157-164, 1982, No. 6 In this article we shall deal in more detail with the various factors that had to be weighed one against the other in the design of&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486\" \/>\n<meta property=\"og:site_name\" content=\"Bram Jacobse\" \/>\n<meta property=\"article:published_time\" content=\"2021-03-23T08:31:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-01T15:20:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulatio3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1068\" \/>\n\t<meta property=\"og:image:height\" content=\"804\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bram\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bram\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486\"},\"author\":{\"name\":\"Bram\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/046607e546e3a7190b34f7793abbe6fe\"},\"headline\":\"Compact Disc: System Aspects and Modulation\",\"datePublished\":\"2021-03-23T08:31:38+00:00\",\"dateModified\":\"2025-07-01T15:20:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486\"},\"wordCount\":73,\"publisher\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/046607e546e3a7190b34f7793abbe6fe\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/System-Aspects-and-Modulatio3.jpg\",\"articleSection\":[\"Article\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486\",\"url\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486\",\"name\":\"Compact Disc: System Aspects and Modulation - Bram Jacobse\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/System-Aspects-and-Modulatio3.jpg\",\"datePublished\":\"2021-03-23T08:31:38+00:00\",\"dateModified\":\"2025-07-01T15:20:17+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486#primaryimage\",\"url\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/System-Aspects-and-Modulatio3.jpg\",\"contentUrl\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/System-Aspects-and-Modulatio3.jpg\",\"width\":1068,\"height\":804},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=5486#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Compact Disc: System Aspects and Modulation\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#website\",\"url\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/\",\"name\":\"Bram Jacobse : Tinkering CD Players & Digital Audio\",\"description\":\"Tinkering CD Players &amp; Digital Audio\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/046607e546e3a7190b34f7793abbe6fe\"},\"alternateName\":\"Bram Jacobse : Tinkering CD Players & Digital Audio\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/046607e546e3a7190b34f7793abbe6fe\",\"name\":\"Bram\",\"logo\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/image\\\/\"},\"url\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Compact Disc: System Aspects and Modulation - Bram Jacobse","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486","og_locale":"en_US","og_type":"article","og_title":"Compact Disc: System Aspects and Modulation - Bram Jacobse","og_description":"Philips tech. Rev. 40, 157-164, 1982, No. 6 In this article we shall deal in more detail with the various factors that had to be weighed one against the other in the design of&#46;&#46;&#46;","og_url":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486","og_site_name":"Bram Jacobse","article_published_time":"2021-03-23T08:31:38+00:00","article_modified_time":"2025-07-01T15:20:17+00:00","og_image":[{"width":1068,"height":804,"url":"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulatio3.jpg","type":"image\/jpeg"}],"author":"Bram","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Bram","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486#article","isPartOf":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486"},"author":{"name":"Bram","@id":"https:\/\/www.bramjacobse.nl\/wordpress\/#\/schema\/person\/046607e546e3a7190b34f7793abbe6fe"},"headline":"Compact Disc: System Aspects and Modulation","datePublished":"2021-03-23T08:31:38+00:00","dateModified":"2025-07-01T15:20:17+00:00","mainEntityOfPage":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486"},"wordCount":73,"publisher":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/#\/schema\/person\/046607e546e3a7190b34f7793abbe6fe"},"image":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486#primaryimage"},"thumbnailUrl":"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulatio3.jpg","articleSection":["Article"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486","url":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486","name":"Compact Disc: System Aspects and Modulation - Bram Jacobse","isPartOf":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486#primaryimage"},"image":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486#primaryimage"},"thumbnailUrl":"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulatio3.jpg","datePublished":"2021-03-23T08:31:38+00:00","dateModified":"2025-07-01T15:20:17+00:00","breadcrumb":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486#primaryimage","url":"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulatio3.jpg","contentUrl":"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2021\/03\/System-Aspects-and-Modulatio3.jpg","width":1068,"height":804},{"@type":"BreadcrumbList","@id":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5486#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.bramjacobse.nl\/wordpress"},{"@type":"ListItem","position":2,"name":"Compact Disc: System Aspects and Modulation"}]},{"@type":"WebSite","@id":"https:\/\/www.bramjacobse.nl\/wordpress\/#website","url":"https:\/\/www.bramjacobse.nl\/wordpress\/","name":"Bram Jacobse : Tinkering CD Players & Digital Audio","description":"Tinkering CD Players &amp; Digital Audio","publisher":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/#\/schema\/person\/046607e546e3a7190b34f7793abbe6fe"},"alternateName":"Bram Jacobse : Tinkering CD Players & Digital Audio","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.bramjacobse.nl\/wordpress\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/#\/schema\/person\/046607e546e3a7190b34f7793abbe6fe","name":"Bram","logo":{"@id":"https:\/\/www.bramjacobse.nl\/wordpress\/#\/schema\/person\/image\/"},"url":"https:\/\/www.bramjacobse.nl\/wordpress\/?author=1"}]}},"_links":{"self":[{"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5486"}],"version-history":[{"count":0,"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5486\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=\/wp\/v2\/media\/5559"}],"wp:attachment":[{"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bramjacobse.nl\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}