{"id":31805,"date":"2019-10-31T21:43:13","date_gmt":"2019-10-31T18:43:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/tsifrovoe-radio-dab-kak-eto-rabotaet-i-nuzhno-li-ono-voobshhe\/"},"modified":"2021-02-01T11:37:14","modified_gmt":"2021-02-01T09:37:14","slug":"tsifrovoe-radio-dab-kak-eto-rabotaet-i-nuzhno-li-ono-voobshhe","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/tsifrovoe-radio-dab-kak-eto-rabotaet-i-nuzhno-li-ono-voobshhe","title":{"rendered":"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Salut, Habr.<\/p>\n<p>\u00cen ultimii ani, \u00een Rusia, Ucraina \u0219i Belarus s-a discutat despre introducerea standardului de radio digital DAB+. De\u0219i \u00een Rusia procesul nu a avansat \u00eenc\u0103, \u00een Ucraina \u0219i Belarus pare c\u0103 au trecut deja la transmisii de test.<\/p>\n<p><img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/9f02d268e8aa60a64ed35a5841c43be3.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Cum func\u021bioneaz\u0103, care sunt avantajele \u0219i dezavantajele, \u0219i este necesar \u00een realitate? Detalii mai jos.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Tehnologie<\/h2>\n<p>Ideea de radio digital a \u00eenceput s\u0103 se contureze la sf\u00e2r\u0219itul anilor '80, c\u00e2nd a devenit clar c\u0103 nu mai exist\u0103 \u201espa\u021biu\u201d disponibil \u00een banda FM obi\u0219nuit\u0103 pentru to\u021bi doritorii - \u00een ora\u0219ele mari, spectrul liber din banda 88-108 MHz a fost epuizat. \u00cen aceast\u0103 privin\u021b\u0103, DAB a fost considerat o alternativ\u0103 decent\u0103 \u2014 este un standard digital, \u00een care, datorit\u0103 codific\u0103rii mai eficiente, pot fi transmise mai multe sta\u021bii. \u00cen prima versiune, DAB utiliza codec-ul MP2, iar \u00een a doua versiune (DAB+) se folose\u0219te un codec mai nou, HE-AAC. \u00cen sine, standardul este destul de vechi dup\u0103 criteriile moderne \u2014 prima sta\u021bie DAB a \u00eenceput s\u0103 func\u021bioneze \u00een 1995, iar sta\u021bia DAB+ \u00een 2007. De altfel, \u201ev\u00e2rsta\u201d standardului este mai degrab\u0103 un avantaj dec\u00e2t un dezavantaj \u2014 acum nu este o problem\u0103 s\u0103 g\u0103se\u0219ti un receptor radio pentru orice gust \u0219i buget.<\/p>\n<p>Sunt multe diferen\u021be \u00eentre DAB \u0219i FM-ul obi\u0219nuit. \u0218i nu se reduc doar la faptul c\u0103 unul este \u201edigital\u201d, iar cel\u0103lalt \u201eanalogic\u201d. Diferen\u021ba const\u0103 \u00een principiul de transmitere a con\u021binutului. \u00cen FM, fiecare sta\u021bie emite independent, iar \u00een DAB+ toate sta\u021biile sunt unite \u00eentr-un \u201emultiplex\u201d, fiecare av\u00e2nd p\u00e2n\u0103 la 16 sta\u021bii. Sunt prev\u0103zute diferite canale de frecven\u021b\u0103, astfel \u00eenc\u00e2t diferite \u021b\u0103ri pot alege cele care sunt libere de alte servicii.<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/d00e4bf2d54e6af3eb617431eeb0566a.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Din perspectiva afacerilor, aceast\u0103 diferen\u021b\u0103 ridic\u0103 o serie de controverse pentru difuzori, \u00een ceea ce prive\u0219te modul de a transmite \u00een multiplex. Anterior, difuzorii ob\u021bineau singuri licen\u021ba pentru frecven\u021b\u0103, cump\u0103rau o anten\u0103 \u0219i un transmitter; acum, licen\u021ba va fi acordat\u0103 operatorului de multiplex, care va \u00eenchiria canalele sta\u021biilor radio. Dac\u0103 este mai bine sau mai r\u0103u, e greu de spus; unii prefer\u0103 s\u0103 aib\u0103 toate echipamentele proprii, al\u021bii prefer\u0103 \u00eenchirierea.<\/p>\n<p>\u00cen acest context, DAB are un mare \u0219i evident dezavantaj pentru ascult\u0103tor \u2014 <u>pre\u021bul \u00eenchirierii multiplexului depinde de bitrate<\/u>. Si ar trebui s\u0103 alegem \u00eentre 192 \u0219i 64kbps\u2026 cred c\u0103 tuturor le este clar ce va fi ales. Dac\u0103 \u00een FM este destul de greu s\u0103 emiti cu o calitate proast\u0103, \u00een DAB aceasta este chiar \u00eencurajat\u0103 din punct de vedere economic (desigur, nu este vina dezvoltatorilor standardului, dar cu toate acestea). Pre\u021burile din Rusia sunt deocamdat\u0103, desigur, necunoscute, iar cele din Anglia pot fi folosite ca exemplu. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.arqiva.com\/home\/now-digital-more-information.html\">aici<\/a><\/noindex>.<\/p>\n<p>Din punct de vedere tehnic, multiplexul DAB+ reprezint\u0103 un semnal cu l\u0103\u021bime larg\u0103, cu o l\u0103\u021bime de band\u0103 de aproximativ 1.5MHz, care este bine perceput cu ajutorul unui receptor RTL-SDR.<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/96f05797bb692aa36bb9879ba11e4869.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>O descriere mai detaliat\u0103 \u00een PDF poate fi g\u0103sit\u0103 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.worlddab.org\/public_document\/file\/442\/DAB__Overview_2013.pdf\">aici<\/a><\/noindex>.<\/p>\n<h2>Standarde concurente<\/h2>\n<p>Nu sunt at\u00e2t de multe, \u00een Europa se utilizeaz\u0103 DAB+, \u00een SUA standardul este popular <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/HD_Radio\">HD Radio<\/a><\/noindex>, \u00een India au fost efectuate experimente cu standardul <noindex><a rel=\"nofollow\" href=\"https:\/\/www.drm.org\/drm-digital-radio-broadcasting-in-india\/\">DRM<\/a><\/noindex>, dar cum s-au \u00eencheiat, este greu de spus.<\/p>\n<p>Harta este pu\u021bin \u00eenvechit\u0103 (\u00een Rusia DRM a fost de asemenea testat, dar a fost abandonat), dar ideea de baz\u0103 poate fi \u00een\u021beleas\u0103:<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/094608cd5cc8add83df98273a897d12d.jpg\" style=\"display:block;margin: 0 auto;\"><br \/>\n(sursa <noindex><a rel=\"nofollow\" href=\"https:\/\/e2e.ti.com\/blogs_\/b\/behind_the_wheel\/archive\/2014\/10\/08\/sdr-solves-the-digital-radio-conundrum\">e2e.ti.com\/blogs_\/b\/behind_the_wheel\/archive\/2014\/10\/08\/sdr-solves-the-digital-radio-conundrum<\/a><\/noindex>)<\/p>\n<p>Spre deosebire de DAB, creatorii standardului HD Radio au urmat un alt drum \u2014 semnalul digital este plasat direct l\u00e2ng\u0103 cel analogic, ceea ce le permite emi\u021b\u0103torilor s\u0103 foloseasc\u0103 propriile antene \u0219i st\u00e2lpi.<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/6dfafc454667ab1a85a35924511f23ac.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Cu toate acestea, acest lucru nu rezolv\u0103 problema din cauza c\u0103reia a \u00eenceput totul \u2014 problema lipsei de locuri libere \u00een spectru. \u0218i din punct de vedere geografic (\u0219i probabil politic), adoptarea standardului european \u00een fostele \u021b\u0103ri din CIS pare mai logic\u0103 dec\u00e2t utilizarea standardului american \u2014 totu\u0219i, alegerea produselor europene este mai mare \u0219i este mai u\u0219or s\u0103 cumperi receptoare. \u00cen 2011 au mai fost men\u021biuni <noindex><a rel=\"nofollow\" href=\"http:\/\/lib.broadcasting.ru\/articles2\/Oborandteh\/otvechaet-li-otechestvennaya-sistema-ravis-potrebnostyam-lokalnogo-radioveshaniya-2\">despre standardul rus RAVIS<\/a><\/noindex>, dar totul a decelat (\u0219i slav\u0103 Domnului, deoarece un standard digital propriu, incompatibil cu nimic, ar fi fost cea mai proast\u0103 idee pentru ascult\u0103torii de radio).<\/p>\n<h2>Testare<\/h2>\n<p>S\u0103 trecem \u00een sf\u00e2r\u0219it la partea practic\u0103, adic\u0103 testarea. \u00cen Rusia, DAB \u00eenc\u0103 nu func\u021bioneaz\u0103, a\u0219a c\u0103 vom folosi \u00eenregistr\u0103ri SDR de la multiplexul olandez. Cei interesa\u021bi din alte \u021b\u0103ri se pot al\u0103tura \u0219i-mi pot trimite \u00eenregistr\u0103ri \u00een format IQ, le voi procesa \u0219i voi face un tabel rezumativ.<\/p>\n<p>Cu ce putem asculta DAB? Deoarece standardul este digital, acesta poate fi decodat cu ajutorul unui computer \u0219i a unui receptor rtl-sdr. Exist\u0103 dou\u0103 programe \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/JvanKatwijk\/qt-dab\">qt-dab<\/a><\/noindex> \u0219i <noindex><a rel=\"nofollow\" href=\"https:\/\/www.welle.io\/\">Welle.io<\/a><\/noindex>, ambele pot lucra cu rtl-sdr.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/JvanKatwijk\/qt-dab\/releases\">Qt-dab<\/a><\/noindex> arat\u0103 ca o lucrare de curs a unui student, iar autorul clar nu s-a deranjat prea mult cu designul \u2014 fonturile nu se \u00eencadreaz\u0103 \u00een controale, feroneria nu este scalabil\u0103. Dar pentru noi, cel mai important este c\u0103 permite citirea \u0219i scrierea fi\u0219ierelor IQ.<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/cde8825098b09b6f4480ea9e51fcf508.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.welle.io\/#download\">Welle.io<\/a><\/noindex> \u00eenc\u0103 \u00een stadiul de versiune beta, \u00eens\u0103 func\u021bioneaz\u0103 mult mai bine \u0219i decodeaz\u0103 de o calitate superioar\u0103. De asemenea, exist\u0103 posibilitatea de a extrage o cantitate considerabil\u0103 de informa\u021bii suplimentare de depanare:<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/30c8475ed99b0c6660819a3b69999044.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Dar welle.io \u00eenc\u0103 nu poate lucra cu fi\u0219iere iq, a\u0219a c\u0103 vom folosi Qt-dab.<\/p>\n<p>Pentru testare, am \u00eenc\u0103rcat 3 fi\u0219iere pe cloud.mail.ru, fiecare con\u021bin\u00e2nd o \u00eenregistrare de un minut a multiplexului DAB, m\u0103rimea fi\u0219ierului fiind de aproximativ 500MB (aceasta este dimensiunea \u00eenregistr\u0103rilor IQ pentru SDR cu l\u0103\u021bimea de band\u0103 de 2.4MHz). Fi\u0219ierele pot fi deschise \u00een Qt-dab, linkul pentru desc\u0103rcare fiind mai sus.<\/p>\n<p><b>Fi\u0219ier-1<\/b>: DAB-8A.sdr \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/cloud.mail.ru\/public\/97hr\/2QjuURtDq\">cloud.mail.ru\/public\/97hr\/2QjuURtDq<\/a><\/noindex>. Multiplexul 8A opereaz\u0103 pe frecven\u021ba 195.136MHz \u0219i con\u021bine 16 sta\u021bii. Bitrate-ul tuturor sta\u021biilor este de 64Kbps.<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/0d318eff6eec2b5e5f5736a982f1e28b.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p><b>Fi\u0219ier-2<\/b>: DAB-11A.sdr \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/cloud.mail.ru\/public\/3VVR\/2mvjUjKQD\">cloud.mail.ru\/public\/3VVR\/2mvjUjKQD<\/a><\/noindex>. Multiplexul 11A pe frecven\u021ba 216.928MHz. Acesta con\u021bine 6 sta\u021bii, cu bitrate-uri de 48, 48, 48, 48, 64 \u0219i 48KBps, respectiv.<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/d3ba99d125452ba912853a18473cc15b.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p><b>Fi\u0219ier-3<\/b>: DAB-11C.sdr \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/cloud.mail.ru\/public\/3pHT\/2qM4dTK4s\">cloud.mail.ru\/public\/3pHT\/2qM4dTK4s<\/a><\/noindex>. Multiplexul 11C pe frecven\u021ba 220.352MHz, con\u021bine de asemenea 16 sta\u021bii. Bitrate-urile tuturor sta\u021biilor sunt, respectiv: 80, 80, 80, 80, 56, 96, 80, 64, 56, 48, 64, 64, 64, 96, 80 \u0219i 64Kbps.<br \/>\n<img decoding=\"async\" alt=\"Radio digital DAB+ \u2014 cum func\u021bioneaz\u0103 \u0219i este necesar \u00een realitate?\" src=\"\/wp-content\/uploads\/2019\/04\/a98e489e7c8975daed385e911488c69d.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Dup\u0103 cum se poate observa, nu exist\u0103 probleme cu num\u0103rul de sta\u021bii, dar problema principal\u0103 este bitrate-ul sc\u0103zut. \u00cen ceea ce prive\u0219te con\u021binutul \u00een sine, gusturile sunt diferite \u0219i nu voi discuta despre el, doritorii pot desc\u0103rca fi\u0219ierele \u0219i asculta singuri. \u00cen \u00eenregistr\u0103ri nu sunt prezentate toate multiplexurile, dar sper c\u0103 ideea general\u0103 este clar\u0103.<\/p>\n<h2>Conclusions<\/h2>\n<p>Dac\u0103 vorbim despre perspectivele radiodifuziunii digitale, din p\u0103cate, acestea sunt destul de triste. Principalul avantaj al DAB este utilizarea mai eficient\u0103 a spectrului, ceea ce permite plasarea unui num\u0103r mai mare de sta\u021bii \u00een eter. \u00cen acest sens, DAB+ are sens doar pentru acele ora\u0219e unde nu mai exist\u0103 spa\u021biu liber \u00een FM. Pentru Rusia, aceasta este probabil doar Moscova \u0219i Sankt Petersburg, \u00een toate celelalte ora\u0219e nu exist\u0103 astfel de probleme.<\/p>\n<p>\u00cen ceea ce prive\u0219te calitatea sunetului, tehnic, DAB+ poate asigura un bitrate de p\u00e2n\u0103 la 192Kbps, ceea ce ar oferi un sunet aproape HiFi. \u00cen practic\u0103, a\u0219a cum am v\u0103zut mai sus, radiodifuzorii economisesc \u0219i nu dep\u0103\u0219esc nici m\u0103car pragul de 100Kbps. Din trei multiplexuri, am g\u0103sit doar o singur\u0103 (!) sta\u021bie care emite la 96Kbps (iar emiterea muzicii la 48Kbps nu o pot numi dec\u00e2t o blasfemie \u2014 astfel de radiodifuzori ar trebui s\u0103 fie lipsi\u021bi de licen\u021b\u0103;). A\u0219adar, din p\u0103cate, putem spune cu o certitudine de 99% c\u0103, la trecerea de la FM la DAB, calitatea sunetului va fi <u>mai proast\u0103 dec\u00e2t a fost<\/u>. Desigur, poate \u00een alte \u021b\u0103ri situa\u021bia este mai bun\u0103, dar iat\u0103, de exemplu, un review englezesc pe youtube cu un titlu elocvent <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=27w3quNTP84\">De ce DAB sun\u0103 at\u00e2t de R\u0102U<\/a><\/noindex>. Tehnic, DAB este bun \u0219i nu exist\u0103 pl\u00e2ngeri \u00een acest sens, dar economic, \u201ebanii au \u00eenvins r\u0103ul\u201d.<\/p>\n<p>Revenind la Rusia, merit\u0103 oare s\u0103 ne preocup\u0103m \u0219i s\u0103 \u00eencepem emisia \u00een DAB? Din punct de vedere al prestigiului interna\u021bional, probabil c\u0103 da, pentru a nu p\u0103rea \u00een ochii vecinilor o \u021bar\u0103 \u00eenapoiat\u0103 din lumea a treia, \u0219i ca bonus, pentru ca automobilele \u0219i radioreceptoarele cump\u0103rate \u00een Europa s\u0103 poat\u0103 recep\u021biona toate sta\u021biile \u00een mod complet. Dar din punct de vedere al ascult\u0103torilor \u0219i al calit\u0103\u021bii sunetului, cel mai probabil utilizatorii nu vor c\u00e2\u0219tiga nimic \u00een ceea ce prive\u0219te calitatea sunetului sau a con\u021binutului.<\/p>\n<p>Dac\u0103 ne g\u00e2ndim la perspectivele \u00eendep\u0103rtate, probabil c\u0103 \u00een viitor radioreceptorul va fi un dispozitiv cu o cartel\u0103 e-sim integrat\u0103 \u0219i un abonament la Yandex Music, Spotify sau Apple Music la achizi\u021bie. Viitorul este cu siguran\u021b\u0103 pentru serviciile de streaming \u0219i con\u021binutul personalizat. C\u00e2t de repede se va \u00eent\u00e2mpla acest lucru, vom vedea, timpul va ar\u0103ta.<\/p>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/448244\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0438\u0432\u0435\u0442 \u0425\u0430\u0431\u0440. \u0412 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0433\u043e\u0434\u044b \u043d\u0430 \u0442\u0435\u0440\u0440\u0438\u0442\u043e\u0440\u0438\u0438 \u0420\u043e\u0441\u0441\u0438\u0438, \u0423\u043a\u0440\u0430\u0438\u043d\u044b \u0438 \u0411\u0435\u043b\u043e\u0440\u0443\u0441\u0441\u0438\u0438 \u043e\u0431\u0441\u0443\u0436\u0434\u0430\u043b\u043e\u0441\u044c \u0432\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0433\u043e \u0440\u0430\u0434\u0438\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 DAB+. \u0418 \u0435\u0441\u043b\u0438 \u0432 \u0420\u043e\u0441\u0441\u0438\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u043f\u043e\u043a\u0430 \u043d\u0435 \u043f\u0440\u043e\u0434\u0432\u0438\u043d\u0443\u043b\u0441\u044f, \u0442\u043e \u0432 \u0423\u043a\u0440\u0430\u0438\u043d\u0435 \u0438 \u0411\u0435\u043b\u043e\u0440\u0443\u0441\u0441\u0438\u0438 \u0432\u0440\u043e\u0434\u0435 \u0443\u0436\u0435 \u043f\u0435\u0440\u0435\u0448\u043b\u0438 \u043a \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u043c\u0443 \u0432\u0435\u0449\u0430\u043d\u0438\u044e. \u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u0432 \u0447\u0435\u043c \u043f\u043b\u044e\u0441\u044b \u0438 \u043c\u0438\u043d\u0443\u0441\u044b, \u0438 \u043d\u0443\u0436\u043d\u043e \u043b\u0438 \u043e\u043d\u043e \u0432\u043e\u043e\u0431\u0449\u0435? \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u043f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c. \u0422\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f \u0418\u0434\u0435\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0433\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":23687,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-31805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0438\u0432\u0435\u0442 \u0425\u0430\u0431\u0440. \u0412 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0433\u043e\u0434\u044b \u043d\u0430 \u0442\u0435\u0440\u0440\u0438\u0442\u043e\u0440\u0438\u0438 \u0420\u043e\u0441\u0441\u0438\u0438, \u0423\u043a\u0440\u0430\u0438\u043d\u044b \u0438 \u0411\u0435\u043b\u043e\u0440\u0443\u0441\u0441\u0438\u0438 \u043e\u0431\u0441\u0443\u0436\u0434\u0430\u043b\u043e\u0441\u044c \u0432\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0433\u043e \u0440\u0430\u0434\u0438\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 DAB+.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/tsifrovoe-radio-dab-kak-eto-rabotaet-i-nuzhno-li-ono-voobshhe\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ro_RO\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0435 \u0440\u0430\u0434\u0438\u043e DAB+ \u2014 \u043a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0438 \u043d\u0443\u0436\u043d\u043e \u043b\u0438 \u043e\u043d\u043e \u0432\u043e\u043e\u0431\u0449\u0435? 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