{"id":2256,"date":"2025-07-26T08:05:54","date_gmt":"2025-07-26T06:05:54","guid":{"rendered":"https:\/\/localdab.org\/?p=2256"},"modified":"2026-03-29T10:01:37","modified_gmt":"2026-03-29T08:01:37","slug":"aac-sample-rate-vs-cus-and-isi","status":"publish","type":"post","link":"https:\/\/localdab.org\/index.php\/2025\/07\/26\/aac-sample-rate-vs-cus-and-isi\/","title":{"rendered":"AAC, Sample Rate vs CU\u2019s and ISI"},"content":{"rendered":"\n<p>We have already talked about the <a href=\"https:\/\/localdab.org\/index.php\/dab-in-simple-words\/what-is-the-difference-between-aac-lc-he-aacv1-and-he-aacv2-in-dab\/\" data-type=\"page\" data-id=\"2069\" target=\"_blank\" rel=\"noreferrer noopener\">AAC versions<\/a> used by DAB+ . This time, we nicely list <a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/aac\/\" data-type=\"page\" data-id=\"2208\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>the three versions<\/strong><\/a>.<\/p>\n\n\n\n<p>Does the Sample Rate set in the <a href=\"https:\/\/localdab.org\/index.php\/dab-how-to-start\/odr-part-2\/\" data-type=\"page\" data-id=\"1295\" target=\"_blank\" rel=\"noreferrer noopener\">DAB+ Audio Encoder<\/a> affect <a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/cus\/\" data-type=\"page\" data-id=\"1758\" target=\"_blank\" rel=\"noreferrer noopener\">CU<\/a>&#8216;s? Yes and no &#8230; <strong><a href=\"https:\/\/localdab.org\/index.php\/dab-in-more-detail\/sample-rate-vs-cus\/\" data-type=\"page\" data-id=\"2219\" target=\"_blank\" rel=\"noreferrer noopener\">we explain<\/a><\/strong>.<\/p>\n\n\n\n<p>Communication can be very straightforward for non-technical people. At one end, we put a signal on a cable, fibre, or in the air. At the receiving end of the medium, we have a receiver who picks up the signal, and that\u2019s like a walk in the park. However, nothing could be further from the truth &#8230;  <strong><a href=\"https:\/\/localdab.org\/index.php\/glossary\/i-l\/isi\/\" data-type=\"page\" data-id=\"2239\" target=\"_blank\" rel=\"noreferrer noopener\">Inter Symbol Interference<\/a><\/strong> is a problem that cannot be ignored. We make an attempt to describe the problem as simply as possible.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We have already talked about the AAC versions used by DAB+ . This time, we nicely list the three versions. Does the Sample Rate set in the DAB+ Audio Encoder affect CU&#8216;s? Yes and no &#8230; we explain. Communication can be very straightforward for non-technical people. At one end, we put a signal on a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2256","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/posts\/2256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/comments?post=2256"}],"version-history":[{"count":4,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/posts\/2256\/revisions"}],"predecessor-version":[{"id":2260,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/posts\/2256\/revisions\/2260"}],"wp:attachment":[{"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/media?parent=2256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/categories?post=2256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/tags?post=2256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}