{"id":15,"date":"2022-09-11T01:00:00","date_gmt":"2022-09-10T23:00:00","guid":{"rendered":"https:\/\/localdab.org\/?page_id=15"},"modified":"2026-02-20T13:56:51","modified_gmt":"2026-02-20T12:56:51","slug":"glossary","status":"publish","type":"page","link":"https:\/\/localdab.org\/index.php\/glossary\/","title":{"rendered":"DAB+ Glossary"},"content":{"rendered":"\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>A<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/aac\/\" data-type=\"page\" data-id=\"2208\">AAC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/aac-frames\/\" data-type=\"page\" data-id=\"2083\">AAC frames<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/?page_id=1921\">Audio Conversion (analog to digital) and Audio coding <\/a><\/li>\n\n\n\n<li><a href=\"\/index.php\/algorithm\/\">Algorithm<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/access-units\/\" data-type=\"page\" data-id=\"2104\" target=\"_blank\" rel=\"noreferrer noopener\">AU  (<strong>A<\/strong>ccess <strong>U<\/strong>nit)<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>C<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"\/index.php\/glossary\/a-d\/cif\">CIF (Common Interleaved Frame)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/?page_id=1345\">Compiler<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/complex-signal\/\" data-type=\"page\" data-id=\"2315\">Complex signal<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/continuous-discrete-data\/\" data-type=\"page\" data-id=\"1638\">Continuous Data\/Signal<\/a><\/li>\n\n\n\n<li>Convolutional Coding<\/li>\n\n\n\n<li>CRC (The <strong>C<\/strong>ommunication&nbsp;<strong>R<\/strong>esearch&nbsp;<strong>C<\/strong>enter Canada)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/crest-factor-and-papr\/\" data-type=\"page\" data-id=\"1873\">Crest Factor<\/a><\/li>\n\n\n\n<li><a href=\"\/index.php\/glossary\/a-d\/cu\" data-type=\"URL\" data-id=\"\/index.php\/glossary\/a-d\/cu\">CU (<strong>C<\/strong>apacity&nbsp;<strong>U<\/strong>nit)<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>D<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/dab-time-structure\/\" data-type=\"page\" data-id=\"2298\">DAB Time Structure<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/continuous-discrete-data\/\" data-type=\"page\" data-id=\"1638\">Discrete Data\/Signal<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>E<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/e1-connections\/\" data-type=\"page\" data-id=\"1993\">E1 connection<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/dab-in-more-detail\/eti-and-edi\/\" data-type=\"page\" data-id=\"820\">EDI<\/a> (<strong>E<\/strong>ncapsulated <strong>D<\/strong>AB <strong>I<\/strong>nterface)<\/li>\n\n\n\n<li>Encapsulation <\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/energy_dispersal\/\" data-type=\"page\" data-id=\"1231\" target=\"_blank\" rel=\"noreferrer noopener\">Energy Dispersal<\/a><\/li>\n\n\n\n<li>Ensemble Mux (<strong>EMUX<\/strong>)<\/li>\n\n\n\n<li>EEP (Equal Error Protection)<\/li>\n\n\n\n<li>Error Coding<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/dab-in-more-detail\/eti-and-edi\/\" data-type=\"page\" data-id=\"820\">ETI<\/a>  (<strong>E<\/strong>nsemble <strong>T<\/strong>ransport <strong>I<\/strong>nterface)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>F<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/fdk-aac\/\" data-type=\"page\" data-id=\"1418\">FDK AAC<\/a> (Fraunhofer open source library library for AAC)<\/li>\n\n\n\n<li>FEC  (Forward Error Correction)<\/li>\n\n\n\n<li>FIB   (Fast Information Block)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/fiberglass-network\/\" data-type=\"page\" data-id=\"2054\">Fiberglass network<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/fic-data\/\" data-type=\"page\" data-id=\"1814\">FIC<\/a> (Fast Information Channel)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/fic-bitrate\/\" data-type=\"page\" data-id=\"2310\">FIC bitrate<\/a><\/li>\n\n\n\n<li>FIG (Fast Information Group)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/fresnel-zones\/\" data-type=\"page\" data-id=\"2127\" target=\"_blank\" rel=\"noreferrer noopener\">Fresnel Zones<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>G<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/gray-code-in-qpsk\/\" data-type=\"page\" data-id=\"2338\">Gray code in PSK<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>H<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/headend\/\" data-type=\"page\" data-id=\"2134\" target=\"_blank\" rel=\"noreferrer noopener\">H<\/a><a href=\"https:\/\/localdab.org\/index.php\/glossary\/e-h\/headend\/\" data-type=\"page\" data-id=\"2134\" target=\"_blank\" rel=\"noreferrer noopener\">eadend<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>I<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><a href=\"https:\/\/localdab.org\/index.php\/glossary\/i-l\/isi\/\" data-type=\"page\" data-id=\"2239\">ISI (Inter Symbol Interference)<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>L<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/i-l\/libraries\">Libraries<\/a> (Software Libraries)<\/li>\n\n\n\n<li>Linux <\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/i-l\/line-of-sight-los\/\" data-type=\"page\" data-id=\"2120\" target=\"_blank\" rel=\"noreferrer noopener\">LOS (Line-Of-Sight)<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>M<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/the-mdct\/\" data-type=\"URL\" data-id=\"https:\/\/localdab.org\/index.php\/the-mdct\/\">MDCT<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/m-p\/mer\/\" data-type=\"page\" data-id=\"2016\">MER<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.opendigitalradio.org\/mmbtools\" target=\"_blank\" rel=\"noreferrer noopener\">mmbTools<\/a><\/li>\n\n\n\n<li>MOT (Multimedia Object Transfer)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/m-p\/mpls\/\" data-type=\"page\" data-id=\"1978\">MPLS<\/a><\/li>\n\n\n\n<li>MSC  (Main Service Channel)<\/li>\n\n\n\n<li>MFN  (Multi Frequency Network)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>N<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>NIC (Network Interface Card)<\/li>\n\n\n\n<li>NLOS (Non-Line-Of-Sight)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>O<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.opendigitalradio.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">ODR <\/a>(Open Digital Radio)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/m-p\/orthogonal\/\" data-type=\"page\" data-id=\"257\">Orthogonal<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>P<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PAD (Program Associated Data)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/a-d\/crest-factor-and-papr\/\" data-type=\"page\" data-id=\"1873\">PAPR (Peak-to-Average Power Ratio)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/m-p\/pop\/\" data-type=\"page\" data-id=\"1969\">POP<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/m-p\/ps\/\" data-type=\"page\" data-id=\"2081\">PS<\/a><\/li>\n\n\n\n<li>PTY  (<strong>P<\/strong>rogram <strong>Ty<\/strong>pe)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>Q<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>QPSK (Quadrature Phase Shift Keying)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>R<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/radio-link\/\" data-type=\"page\" data-id=\"2043\">Radio link<\/a><\/li>\n\n\n\n<li>RANDOM<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/reverse-bit-law\/\" data-type=\"page\" data-id=\"2152\" target=\"_blank\" rel=\"noreferrer noopener\">Reverse bit law<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>S<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sample rate<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/sbr\/\" data-type=\"page\" data-id=\"2078\">SBR<\/a><\/li>\n\n\n\n<li>SDR (Software Defined Radio)<\/li>\n\n\n\n<li>SFN (Single Frequency Network)<\/li>\n\n\n\n<li>STI   (Service Transport Interface)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/stl\/\" data-type=\"page\" data-id=\"1248\" target=\"_blank\" rel=\"noreferrer noopener\">STL  (<strong>S<\/strong>tudio <strong>T<\/strong>ransmitter <strong>L<\/strong>ink)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/superframe-packing\/\" data-type=\"page\" data-id=\"2190\">Superframe Packing<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/symbols-glossary\/\">Symbols <\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>T<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TCP (<strong>T<\/strong>ransport <strong>C<\/strong>ontrol <strong>P<\/strong>rotocol)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/tii\/\" data-type=\"page\" data-id=\"2170\">TII<\/a>   (<strong>T<\/strong>ransmitter <strong>I<\/strong>dentification <strong>I<\/strong>nformation)<\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/time-relationships-in-dab\/\" data-type=\"page\" data-id=\"2184\">Time relationships in DAB(+)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/?page_id=1904\">The magical number 2048<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/24-ms-timing\/\" data-type=\"page\" data-id=\"925\">24 ms timing<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/q-t\/transmission-frame\/\" data-type=\"page\" data-id=\"1425\" target=\"_blank\" rel=\"noreferrer noopener\">Transmission Frame<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>U<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UEP (<strong>U<\/strong>nequal <strong>E<\/strong>rror <strong>P<\/strong>rotection)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>V<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VHF  (<strong>V<\/strong>ery <strong>H<\/strong>igh <strong>F<\/strong>requency)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>X<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>XOR (e<strong>X<\/strong>clusive <strong>OR<\/strong>)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-x-large-font-size wp-block-paragraph\"><strong>Z<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/localdab.org\/index.php\/glossary\/u-z\/zero-mq-omq\/\" data-type=\"page\" data-id=\"1337\" target=\"_blank\" rel=\"noreferrer noopener\">ZeroMQ  or \u00d8MQ (<strong>Z<\/strong>ero<strong> M<\/strong>essage<strong> Q<\/strong>ueue)<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A C D E F G H I L M N O P Q R S T U V X Z<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":40,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-15","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/pages\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":101,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/pages\/15\/revisions"}],"predecessor-version":[{"id":2361,"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/pages\/15\/revisions\/2361"}],"wp:attachment":[{"href":"https:\/\/localdab.org\/index.php\/wp-json\/wp\/v2\/media?parent=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}