{"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\/et\/blog\/administrirovanie\/tsifrovoe-radio-dab-kak-eto-rabotaet-i-nuzhno-li-ono-voobshhe","title":{"rendered":"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Tere, Habr.<\/p>\n<p>Viimastel aastatel on Venemaal, Ukrainas ja Valgevenes arutatud DAB+ digitaalraadio standardi kasutuselev\u00f5ttu. Kui Venemaal on protsess veel edasi liikunud, siis Ukrainas ja Valgevenes on n\u00e4iliselt juba proovisaated alanud.<\/p>\n<p><img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/9f02d268e8aa60a64ed35a5841c43be3.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Kuidas see t\u00f6\u00f6tab, millised on plussid ja miinused, ja kas see on vajalik? Detailid allpool.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Tehnoloogia<\/h2>\n<p>DAB digitaalraadio idee hakkas kujunema 1980ndate l\u00f5pus, kui sai selgeks, et tava FM-sagedusel ei jagu enam k\u00f5igile soovijatele \"ruumi\" \u2014 suurtes linnades oli 88-108 MHz sagedusel vaba spekter ammendunud. Sellest vaatenurgast peeti DAB-i heaks alternatiiviks \u2014 see on digitaalne standard, kus t\u00f5husama kodeerimise abil v\u00f5ib mahutada rohkem jaamu. Esimeses DAB versioonis kasutati MP2 koodeki, teises versioonis (DAB+) aga uuemat HE-AAC. Standard ise on kaasaegsetele kriteeriumidele \u00fcsna vana \u2014 esimene DAB jaam alustas t\u00f6\u00f6tegemist 1995. aastal ja DAB+ jaam 2007. aastal. Veelgi enam, standardi \"vanus\" on antud juhul pigem eelis kui puudus \u2014 t\u00e4nap\u00e4eval pole probleem osta raadiovastuv\u00f5tjat, mis sobib igale maitsele ja rahakotile.<\/p>\n<p>DAB-l, erinevalt tuttavast FM-ist, on mitmeid erinevusi. Asi ei seisne ainult selles, et \u00fcks on \"digitaalne\" ja teine \"analoogne\". Erineb ka sisu edastamise p\u00f5him\u00f5te. FM-is edastab iga jaam iseseisvalt, samas kui DAB+ puhul on k\u00f5ik jaamad \u00fchendatud \"multiplexi\", kus v\u00f5ib olla kuni 16 jaama. On ette n\u00e4htud erinevad sageduskanalid, nii et erinevad riigid saavad valida need, mis on vabade teiste teenuste k\u00f5rvalt.<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/d00e4bf2d54e6af3eb617431eeb0566a.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>\u00c4ripoolelt vaadates tekitab see erinevus esitajate seas mitmeid vaidlusi selle \u00fcle, kuidas edastada multiplexis. Varem said esitajad ise litsentsi sagedusele, ostsid antenni ja saatja, n\u00fc\u00fcd antakse litsents multiplexer'i operaatorile ja tema hakkab kanaleid raadiotele \u00fc\u00fcrima. Kas see on parem v\u00f5i halvem, on keeruline \u00f6elda; kellelegi on mugav k\u00f5ik ise omada, kellelegi on mugavam \u00fc\u00fcrimine.<\/p>\n<p>Muide, selle m\u00f5ttes on DAB-l kuulaja jaoks tohutu ja suur puudus \u2014 <u>multiplexi \u00fc\u00fcri hind s\u00f5ltub bittide m\u00e4\u00e4rast<\/u>. Ja kui valida 192 ja 64 kbps vahel\u2026 on k\u00f5igile selge, milliseks valikuks see kujuneb. Kui FM edastamine kehva kvaliteediga on \u00fcsna keeruline, siis DAB-s on see isegi majanduslikult soodustatud (muidugi ei ole see standardi arendajate s\u00fc\u00fc, kuid siiski). Venemaal on hinnad hetkel loomulikult teadmata, kuid ingliskeelsetele, n\u00e4iteks, saab vaadata. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.arqiva.com\/home\/now-digital-more-information.html\">siit<\/a><\/noindex>.<\/p>\n<p>Tehniliselt t\u00e4hendab DAB+ multiplex laiariba signaali, mille spektri laius on umbes 1,5 MHz, mis on RTL-SDR vastuv\u00f5tja abil h\u00e4sti n\u00e4htav.<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/96f05797bb692aa36bb9879ba11e4869.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>T\u00e4psema kirjelduse PDF-is leiab. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.worlddab.org\/public_document\/file\/442\/DAB__Overview_2013.pdf\">siit<\/a><\/noindex>.<\/p>\n<h2>Konkurentsiv\u00f5imelised standardid<\/h2>\n<p>Nende hulk ei ole tegelikult nii suur. Euroopas kasutatakse DAB+-i, USA-s on populaarne standard <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/HD_Radio\">HD Radio<\/a><\/noindex>, Indias on eksperimenteeritud standardiga <noindex><a rel=\"nofollow\" href=\"https:\/\/www.drm.org\/drm-digital-radio-broadcasting-in-india\/\">DRM<\/a><\/noindex>, kuid kuidas need l\u00f5ppesid, on keeruline \u00f6elda.<\/p>\n<p>Kaart on natuke vananenud (Venemaal testiti ka DRM-i, kuid see j\u00e4eti soiku), kuid \u00fcldise idee saab m\u00f5ista:<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/094608cd5cc8add83df98273a897d12d.jpg\" style=\"display:block;margin: 0 auto;\"><br \/>\n(allikas <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>Erinevalt DAB-ist l\u00e4ks HD Radio standardi looja teist teed \u2014 digitaalne signaal paigutatakse kohe analoogsignaali k\u00f5rvale, v\u00f5imaldades edastajatel kasutada oma antenne ja mastid.<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/6dfafc454667ab1a85a35924511f23ac.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Kuid see ei lahenda probleem, mille t\u00f5ttu k\u00f5ik algas \u2014 probleem vaba spektri puudumisest. Geograafiliselt (ja ilmselt poliitiliselt) tundub endise NSVLi riikides Euroopa standardi kasutuselev\u00f5tt m\u00f5istlikum kui Ameerika standardi valimine \u2014 Euroopa tooteid on siiski rohkem ja vastuv\u00f5tjad on kergemini saadaval. 2011. aastal oli veel viiteid <noindex><a rel=\"nofollow\" href=\"http:\/\/lib.broadcasting.ru\/articles2\/Oborandteh\/otvechaet-li-otechestvennaya-sistema-ravis-potrebnostyam-lokalnogo-radioveshaniya-2\">Venemaa standardile RAVIS<\/a><\/noindex>, kuid k\u00f5ik katkeb ja \u00f5nneks, sest mitte millegagi \u00fchilduv enda digitaalne standard oleks olnud raadiokuulajate jaoks k\u00f5ige halvem, mida v\u00f5iks v\u00e4lja m\u00f5elda.<\/p>\n<h2>Testimine<\/h2>\n<p>L\u00e4heme l\u00f5puks praktilise osa juurde, st testimise juurde. Venemaal DAB hetkel ei toimi, nii et kasutame Hollandi multiplexerist talletatud SDR-kirjeid. Ka teistes riikides soovijad saavad liituda ja saata mulle IQ-formaadis salvestusi, ma t\u00f6\u00f6tlen need ja teen kokkuv\u00f5tva tabeli.<\/p>\n<p>Millega \u00fcldse saab DAB-i kuulata? Kuna see on digitaalne standard, saab seda dekodeerida arvuti ja rtl-sdr vastuv\u00f5tjaga. On kaks programmi \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/JvanKatwijk\/qt-dab\">qt-dab<\/a><\/noindex> ja <noindex><a rel=\"nofollow\" href=\"https:\/\/www.welle.io\/\">Welle.io<\/a><\/noindex>, m\u00f5lemad oskavad t\u00f6\u00f6tada rtl-sdr-iga.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/JvanKatwijk\/qt-dab\/releases\">Qt-dab<\/a><\/noindex> n\u00e4eb v\u00e4lja nagu \u00fcli\u00f5pilase uurimist\u00f6\u00f6, autor ei ole ilme p\u00e4rast vaeva n\u00e4inud \u2014 fondid ei mahu kontrollidesse, aknad ei skaleeru. Aga meie jaoks on k\u00f5ige olulisem, et see v\u00f5imaldab IQ-faile lugeda ja kirjutada.<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" 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> on endiselt beetaversioonis, kuid t\u00f6\u00f6tab palju paremini ja dekodeerib kvaliteetsemalt. Samuti on v\u00f5imalik n\u00e4idata \u00fcsna palju lisadiagnostikat:<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/30c8475ed99b0c6660819a3b69999044.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Kuid welle.io ei oska veel IQ-failidega t\u00f6\u00f6tada, nii et kasutame Qt-dab.<\/p>\n<p>Testimiseks laadisin \u00fcles 3 faili cloud.mail.ru-sse, iga\u00fcks sisaldab minuti DAB-multiplexi salvestust, faili suurus on umbes 500MB (see on IQ-salvestuste suurus SDR-ile, mille ribalaius on 2,4MHz). Faile saab avada Qt-dabis, mille allalaadimislink on eespool.<\/p>\n<p><b>Fail-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>. Multiplex 8A t\u00f6\u00f6tab sagedusel 195.136MHz ja sisaldab 16 jaama. K\u00f5igi jaamade bitikiirus on 64Kbps.<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/0d318eff6eec2b5e5f5736a982f1e28b.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p><b>Fail-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>. Multiplex 11A sagedusel 216.928MHz. See sisaldab 6 jaama, bitikiirus on vastavalt 48, 48, 48, 48, 64 ja 48KBps.<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/d3ba99d125452ba912853a18473cc15b.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p><b>Fail-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>. Multiplex 11C saged 220.352 MHz, sisaldab ka 16 jaama. K\u00f5ikide jaamade bitikiirus on vastavalt: 80, 80, 80, 80, 56, 96, 80, 64, 56, 48, 64, 64, 64, 96, 80 ja 64 Kbps.<br \/>\n<img decoding=\"async\" alt=\"DAB+ digitaalraadio \u2014 kuidas see t\u00f6\u00f6tab ja kas see on vajalik?\" src=\"\/wp-content\/uploads\/2019\/04\/a98e489e7c8975daed385e911488c69d.jpg\" style=\"display:block;margin: 0 auto;\"><\/p>\n<p>Kuidas n\u00e4ha, ei ole jaamade arvu osas probleeme, kuid peamine probleem on madal bitikiirus. Mis puutub sisu endasse, siis ma ei hakka maitseid arutama, soovijad v\u00f5ivad failid alla laadida ja ise kuulata. Salvestustes ei ole k\u00f5iki multiplexe, kuid \u00fcldine idee, loodan, on selge.<\/p>\n<h2>J\u00e4reldused<\/h2>\n<p>Kui r\u00e4\u00e4kida digitaalraadiote tulevikust, siis need on kahjuks \u00fcsna kurvad. DAB peamine eelis on spektri t\u00f5husam kasutamine, mis v\u00f5imaldab eetrisse paigutada rohkem jaamu. Selles osas on DAB+ m\u00f5ttekas ainult seal, kus FM-is ei ole enam vaba ruumi. Venemaa jaoks on see ilmselt ainult Moskvast ja Peterburist, k\u00f5ikides teistes linnades selliseid probleeme ei ole.<\/p>\n<p>Mis kvaliteedi osas on tehniliselt DAB+ suuteline tagama kuni 192 kbit\/s bitikiirus, mis annaks praktiliselt HiFi heli. Praktikas, nagu eespool n\u00e4eme, hoiavad saadetajad kokku ja ei \u00fcleta isegi 100 kbit\/s piiri. Kolmest multiplexerist leiti vaid \u00fcks (!) jaam, mis edastab 96 kbps (ja muusika edastamine 48 kbps puhul ei j\u00e4\u00e4 mulle midagi muud \u00fcle, kui nimetada seda jumalateotuseks \u2014 sellised v\u00e4ljaandjad tuleks litsentsist ilma j\u00e4tta;). Seega on kahjuks 99% kindel, et \u00fcleminekul FM-ilt DAB-ile halveneb helikvaliteet. <u>halvem kui enne.<\/u>. Loomulikult v\u00f5ib teistes riikides olukord olla parem, kuid n\u00e4iteks ingliskeelne \u00fclevaade youtube'is, millel on k\u00f5nekas pealkiri <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=27w3quNTP84\">Why DAB sounds so BAD<\/a><\/noindex>. Tehniliselt on DAB hea ja selles osas ei ole mingeid kaebusi, kuid majanduslikult, \"raha v\u00f5itis kurja\".<\/p>\n<p>Tagasi Venemaale, kas on m\u00f5tet alustada DAB-i edastamist? Rahvusvahelise prestii\u017ei seisukohalt v\u00f5ibolla jah, et mitte paista naabrite silmis kolmanda maailmaga mahaj\u00e4\u00e4nud riigina. Ja lisaks, et Euroopas ostetud autod ja raadiovastuv\u00f5tjad saaksid t\u00e4ies ulatuses vastu v\u00f5tta k\u00f5iki raadiojaamu. Aga kuulajate ja helikvaliteedi seisukohalt ei saa t\u00f5en\u00e4oliselt mingeid eeliseid ei helikvaliteedi, ega sisu osas, kasutajad ei saa.<\/p>\n<p>Kui m\u00f5elda kaugemale perspektiivile, siis t\u00f5en\u00e4oliselt tulevikus on raadiovastuv\u00f5tja seade, millel on integreeritud e-sim kaart ja tellimus Yandex.Music, Spotify v\u00f5i Apple Music ostmisega. Tulevik kuulub kindlalt voogedastusteenustele ja personaliseeritud sisule. Kui kiiresti see juhtub, n\u00e4eme, aeg n\u00e4itab.<\/p>\n<p>Allikas: <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? 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Viimastel aastatel on Venemaa, Ukraina ja Valgevene territooriumil arutatud digitaalraadio standardi DAB+ juurutamist. Kui Venemaal protsess seni ette ei ole l\u00e4inud, siis Ukrainas ja Valgevenes on juba testimisringid alanud. Kuidas see t\u00f6\u00f6tab, millised on selle eelised ja puudused ning kas see on vajalik? T\u00e4iendavad andmed allpool. Tehnoloogia M\u00f5isted digitaalne.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/tsifrovoe-radio-dab-kak-eto-rabotaet-i-nuzhno-li-ono-voobshhe","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"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","og:type":"article","og:title":"\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? | ProHoster","og:description":"\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? 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