{"id":93954,"date":"2022-05-21T06:19:39","date_gmt":"2022-05-21T04:19:39","guid":{"rendered":"https:\/\/xm.cz\/blog\/?p=93954"},"modified":"2022-05-19T16:20:11","modified_gmt":"2022-05-19T14:20:11","slug":"jake-jsou-rozdily-ve-verzich-bluetooth-1-0-az-5-0","status":"publish","type":"post","link":"https:\/\/xm.cz\/blog\/jake-jsou-rozdily-ve-verzich-bluetooth-1-0-az-5-0\/","title":{"rendered":"Jak\u00e9 jsou rozd\u00edly ve verz\u00edch Bluetooth 1.0 a\u017e 5.0?"},"content":{"rendered":"<p>V technick\u00fdch specifikac\u00edch mobiln\u00edch telefon\u016f, chytr\u00fdch hodinek, fitness n\u00e1ramk\u016f a dal\u0161\u00ed spot\u0159ebn\u00ed elektroniky m\u016f\u017eete narazit na informaci o verzi Bluetooth, kterou dan\u00e9 za\u0159\u00edzen\u00ed podporuje. V\u00edte, <b>jak\u00e9 jsou rozd\u00edly ve verz\u00edch Bluetooth 1.0 a\u017e 5.0?<\/b> V tomto \u010dl\u00e1nku v\u00e1m je stru\u010dn\u011b vysv\u011btl\u00edme.<\/p>\n<p><b>Bluetooth<\/b> je ozna\u010den\u00ed r\u00e1diov\u00e9 technologie kr\u00e1tk\u00e9ho dosahu, kter\u00e1 eliminuje pot\u0159ebu p\u0159ipojen\u00ed kabelem. Technologie byla vyvinuta v roce 1994 spole\u010dnost\u00ed Ericsson za \u00fa\u010delem bezdr\u00e1tov\u00e9 komunikace s mobiln\u00edmi telefony a dal\u0161\u00edmi mobiln\u00edmi za\u0159\u00edzen\u00edmi. Je pojmenov\u00e1na po Haraldu Bluetoothovi &#8211; b\u00fdval\u00e9m d\u00e1nsk\u00e9m kr\u00e1li.<\/p>\n<h2>Jak\u00e9 jsou rozd\u00edly ve verz\u00edch Bluetooth?<\/h2>\n<p>Hlavn\u00ed rozd\u00edly ve verz\u00edch Bluetooth spo\u010d\u00edvaj\u00ed zejm\u00e9na v tom, \u017ee nejnov\u011bj\u0161\u00ed verze podporuj\u00ed <b>vy\u0161\u0161\u00ed rychlost p\u0159enosu dat<\/b>, maj\u00ed <b>lep\u0161\u00ed dosah<\/b> a vy\u0161\u0161\u00ed stabilitu p\u0159ipojen\u00ed, jsou energeticky \u00fasporn\u011bj\u0161\u00ed a nab\u00edzej\u00ed lep\u0161\u00ed zabezpe\u010den\u00ed ne\u017e star\u0161\u00ed verze. Zdaleka to v\u0161ak nejsou jedin\u00e9 odli\u0161nosti.<\/p>\n<h3>Bluetooth 1.0<\/h3>\n<p>Kdy\u017e byla v roce 1998 publikov\u00e1na technologie <b>Bluetooth 1.0<\/b>, jednalo se o p\u0159evratn\u00fd objev. Technologie v\u0161ak byla je\u0161t\u011b nezral\u00e1 a trp\u011bla mnoha probl\u00e9my &#8211; nap\u0159\u00edklad nedostate\u010dnou anonymitou. Podle dne\u0161n\u00edch standard\u016f je tato technologie ji\u017e zastaral\u00e1.<\/p>\n<p>N\u00e1sledovala <b>verze 1.1<\/b>, kter\u00e1 n\u011bkter\u00e9 probl\u00e9my odstranila. Nejv\u011bt\u0161\u00ed nedostatky byly ale vy\u0159e\u0161eny a\u017e zaveden\u00edm <b>verze 1.2<\/b>. Mezi hlavn\u00ed vylep\u0161en\u00ed pat\u0159ila podpora spektra s adaptivn\u00edm p\u0159eskakov\u00e1n\u00edm frekvence (AFH), kter\u00e9 sni\u017euje ru\u0161en\u00ed, vy\u0161\u0161\u00ed p\u0159enosov\u00e1 rychlost a\u017e 721 kb\/s, rychlej\u0161\u00ed p\u0159ipojen\u00ed a detekce, rozhran\u00ed HCI (Host Controller Interface) a roz\u0161\u00ed\u0159en\u00e9 synchronn\u00ed p\u0159ipojen\u00ed (ESCO).<\/p>\n<h3>Bluetooth 2.0<\/h3>\n<p><b>Bluetooth 2.0<\/b> byl uvoln\u011bn je\u0161t\u011b p\u0159ed rokem 2005. Nejd\u016fle\u017eit\u011bj\u0161\u00edm prvkem tohoto standardu byla podpora technologie EDR (Enhanced Data Rate), kter\u00e1 vyu\u017e\u00edv\u00e1 kombinaci modulace PSK (Phase Shift Keying Modulation) a GFSK, co\u017e v kone\u010dn\u00e9m d\u016fsledku p\u0159ineslo vy\u0161\u0161\u00ed rychlost p\u0159enosu dat.<\/p>\n<figure id=\"attachment_93957\" aria-describedby=\"caption-attachment-93957\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-93957\" src=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0-1024x576.jpg\" alt=\"Jak\u00e9 jsou rozd\u00edly ve verz\u00edch Bluetooth 1.0 a\u017e 5.0?\" width=\"800\" height=\"450\" srcset=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0-1024x576.jpg 1024w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0-300x169.jpg 300w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0-768x432.jpg 768w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0-1536x864.jpg 1536w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0-2048x1152.jpg 2048w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0-50x28.jpg 50w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Jake-jsou-rozdily-ve-verzich-Bluetooth-1.0-az-5.0-192x107.jpg 192w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-93957\" class=\"wp-caption-text\">Jak\u00e9 jsou rozd\u00edly ve verz\u00edch Bluetooth 1.0 a\u017e 5.0?<\/figcaption><\/figure>\n<p>Tato technologie byla d\u00e1le vylep\u0161ena vyd\u00e1n\u00edm <b>verze 2.1<\/b>. Ta nov\u011b podporovala zabezpe\u010den\u00e9 jednoduch\u00e9 p\u00e1rov\u00e1n\u00ed (SSP), kter\u00e9 zlep\u0161ilo zabezpe\u010den\u00ed a komfort p\u00e1rov\u00e1n\u00ed za\u0159\u00edzen\u00ed, a vylep\u0161en\u00e9 odpov\u00edd\u00e1n\u00ed na dotazy (EIR), je\u017e umo\u017enilo lep\u0161\u00ed filtrov\u00e1n\u00ed za\u0159\u00edzen\u00ed p\u0159ed nav\u00e1z\u00e1n\u00edm spojen\u00ed.<\/p>\n<p>Ze v\u0161ech klasick\u00fdch verz\u00ed Bluetooth byla verze 2.1 nejobl\u00edben\u011bj\u0161\u00ed a nejpou\u017e\u00edvan\u011bj\u0161\u00ed. Bylo to d\u00edky jej\u00ed jednoduchosti, v\u011bt\u0161\u00edmu dosahu 33 metr\u016f m\u00edsto dosavadn\u00edch 10 metr\u016f a vy\u0161\u0161\u00ed rychlosti p\u0159enosu dat &#8211; a\u017e 3 Mbit\/s m\u00edsto 0,7 Mbit\/s.<\/p>\n<h3>Bluetooth 3.0<\/h3>\n<p><b>Bluetooth 3.0<\/b> byl vyd\u00e1n v roce 2009 a jeho nejv\u011bt\u0161\u00edm p\u0159\u00ednosem byl vysokorychlostn\u00ed re\u017eim (HS), kter\u00fd umo\u017e\u0148oval teoretickou rychlost p\u0159enosu dat a\u017e 24 Mb\/s p\u0159es propojen\u00ed 802.11. Tato technologie zavedla mnoho nov\u00fdch funkc\u00ed &#8211; nap\u0159\u00edklad vylep\u0161en\u00e9 \u0159\u00edzen\u00ed v\u00fdkonu, ultra\u0161irokop\u00e1smov\u00e9 p\u0159ipojen\u00ed, vylep\u0161en\u00e9 re\u017eimy L2CAP, alternativn\u00ed MAC \/PHY, Unicast Connectionless Data atd.<\/p>\n<p>Verze 3.0 v\u0161ak trp\u011bla jednou z\u00e1sadn\u00ed nev\u00fdhodou &#8211; vysokou spot\u0159ebou energie. Kv\u016fli tomu spot\u0159ebov\u00e1vala za\u0159\u00edzen\u00ed vyu\u017e\u00edvaj\u00edc\u00ed Bluetooth 3.0 mnohem v\u00edce elekt\u0159iny ne\u017e jejich p\u0159edch\u016fdci, co\u017e m\u011blo za n\u00e1sledek krat\u0161\u00ed v\u00fddr\u017e bateri\u00ed na jedno nabit\u00ed. V d\u016fsledku toho mnoz\u00ed v\u00fdrobci z\u016fstali se sv\u00fdmi produkty v\u011brni star\u00e9 technologii ve verzi 2.1.<\/p>\n<h3>Bluetooth 4.0<\/h3>\n<p>V roce 2010 byla vyd\u00e1na <b>verze 4.0<\/b>, kter\u00e1 se li\u0161ila od v\u0161ech dosavadn\u00edch verz\u00ed Bluetooth. Jej\u00edm z\u00e1sadn\u00edm p\u0159\u00ednosem byla podpora technologie <b>Bluetooth Low Energy (LE)<\/b>. Bluetooth 4.0 podporoval v\u0161echny funkce p\u0159edchoz\u00edch verz\u00ed, ale nejd\u016fle\u017eit\u011bj\u0161\u00ed zm\u011bnou byla ni\u017e\u0161\u00ed spot\u0159eba energie. Za\u0159\u00edzen\u00ed s BLE toti\u017e mohla b\u00fdt nap\u00e1jena knofl\u00edkovou bateri\u00ed. Bylo tedy mo\u017en\u00e9 za\u010d\u00edt vyv\u00edjet a vyr\u00e1b\u011bt kompaktn\u00ed a p\u0159enosn\u00e1 za\u0159\u00edzen\u00ed, kter\u00e1 mohla s technologi\u00ed Bluetooth fungovat cel\u00e9 dny.<\/p>\n<figure id=\"attachment_93958\" aria-describedby=\"caption-attachment-93958\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-93958\" src=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny-1024x576.jpg\" alt=\"P\u0159enosn\u00e1 za\u0159\u00edzen\u00ed mohla s technologi\u00ed Bluetooth fungovat cel\u00e9 dny\" width=\"800\" height=\"450\" srcset=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny-1024x576.jpg 1024w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny-300x169.jpg 300w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny-768x432.jpg 768w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny-1536x864.jpg 1536w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny-2048x1152.jpg 2048w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny-50x28.jpg 50w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2022\/05\/Prenosna-zarizeni-mohla-s-technologii-Bluetooth-fungovat-cele-dny-192x107.jpg 192w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-93958\" class=\"wp-caption-text\">P\u0159enosn\u00e1 za\u0159\u00edzen\u00ed mohla s technologi\u00ed Bluetooth fungovat cel\u00e9 dny<\/figcaption><\/figure>\n<p>V roce 2013 byla p\u0159edstavena verze <b>Bluetooth 4.1<\/b>, kter\u00e1 d\u00e1le zlep\u0161ila u\u017eivatelsk\u00fd komfort. Nov\u011b mohla koexistovat s LTE, umo\u017enila za\u0159\u00edzen\u00edm podporovat v\u00edce funkc\u00ed sou\u010dasn\u011b a usnadnila p\u0159enos velk\u00e9ho mno\u017estv\u00ed dat. Mezi nov\u00e9 funkce podporovan\u00e9 touto funkc\u00ed pat\u0159\u00ed nap\u0159\u00edklad:<\/p>\n<ul>\n<li>Limitovan\u00e1 doba zji\u0161\u0165ov\u00e1n\u00ed<\/li>\n<li>Topologie linkov\u00e9 vrstvy LE<\/li>\n<li>L2CAP Linkov\u011b orientovan\u00e9 a vyhrazen\u00e9 kan\u00e1ly s \u0159\u00edzen\u00edm toku<\/li>\n<li>Rychl\u00fd interval pro oznamov\u00e1n\u00ed dat<\/li>\n<li>Signalizace koexistence mobiln\u00edch bezdr\u00e1tov\u00fdch slu\u017eeb<\/li>\n<li>Du\u00e1ln\u00ed re\u017eim a topologie<\/li>\n<li>Aktualizovan\u00e1 architektura zvuku pro \u0161irokop\u00e1smov\u00fd p\u0159enos hlasu<\/li>\n<\/ul>\n<p>N\u00e1sledoval <b>Bluetooth verze 4.2<\/b>, je\u017e byl vyd\u00e1n v roce 2014 a umo\u017enil vznik internetu v\u011bc\u00ed (IoT). Mezi hlavn\u00ed vylep\u0161en\u00ed pat\u0159\u00ed:<\/p>\n<ul>\n<li>Bezpe\u010dn\u00e9 p\u0159ipojen\u00ed s n\u00edzkou spot\u0159ebou energie s roz\u0161\u00ed\u0159en\u00edm d\u00e9lky datov\u00e9ho paketu.<\/li>\n<li>Profil podpory internetov\u00e9ho protokolu (IPSP) verze 6 p\u0159ipraven\u00fd pro Bluetooth Smart Things na podporu chytr\u00e9 dom\u00e1cnosti.<\/li>\n<li>Soukrom\u00ed na linkov\u00e9 vrstv\u011b s vylep\u0161en\u00fdmi Scanner Filter Policies.<\/li>\n<\/ul>\n<h3>Bluetooth 5.0<\/h3>\n<p><b>Bluetooth 5.0<\/b> byl p\u0159edstaven organizac\u00ed Bluetooth SIG v roce 2016. Podporu t\u00e9to technologie poprv\u00e9 implementovala spole\u010dnost Sony ve sv\u00e9m smartphonu Xperia XZ Premium. Nov\u00fd standard se zam\u011b\u0159il na zlep\u0161en\u00ed konektivity a komfortu pr\u00e1ce se za\u0159\u00edzen\u00edmi internetu v\u011bc\u00ed (IoT) t\u00edm, \u017ee poskytl bezprobl\u00e9mov\u00fd tok dat.<\/p>\n<p>V p\u0159\u00edpad\u011b BLE je nov\u011b podporov\u00e1na dvojn\u00e1sobn\u00e1 rychlost v d\u00e1vk\u00e1ch a\u017e 2 Mb\/s v omezen\u00e9m dosahu, kter\u00fd je a\u017e \u010dty\u0159ikr\u00e1t v\u011bt\u0161\u00ed ne\u017e u p\u0159edchoz\u00ed generace. To znamen\u00e1 lep\u0161\u00ed kompromis v rychlosti p\u0159enosu dat.<\/p>\n<p>Dal\u0161\u00ed novinka \u201eDual Audio\u201c umo\u017e\u0148uje sou\u010dasnou reprodukci zvuku z jednoho za\u0159\u00edzen\u00ed pro streamov\u00e1n\u00ed zvuku, kter\u00e9 tuto verzi podporuje, dv\u011bma r\u016fzn\u00fdmi za\u0159\u00edzen\u00edmi, jako jsou bezdr\u00e1tov\u00e1 sluch\u00e1tka nebo reproduktory. Je tak\u00e9 mo\u017en\u00e9 streamovat dva r\u016fzn\u00e9 zdroje zvuku ze stejn\u00e9ho streamovac\u00edho za\u0159\u00edzen\u00ed do dvou r\u016fzn\u00fdch za\u0159\u00edzen\u00ed Bluetooth.<\/p>\n<p>Nejnov\u011bj\u0161\u00ed verz\u00ed je <b>Bluetooth 5.3<\/b> vydan\u00fd v roce 2022. Zat\u00edm posledn\u00ed verze zavedla podporu hierarchie model\u016f na b\u00e1zi mesh. A\u010dkoli tato verze zat\u00edm nen\u00ed \u0161iroce pou\u017e\u00edv\u00e1na, je nepochybn\u011b budoucnost\u00ed technologie Bluetooth, kter\u00e1 se bude nad\u00e1le zdokonalovat.<\/p>\n<p style=\"text-align: center;\"><b>V\u011bd\u011bli jste, jak\u00e9 jsou rozd\u00edly ve verz\u00edch Bluetooth 1.0 a\u017e 5.0?<\/b><\/p>\n<p><i>Zdroj: <a href=\"https:\/\/xiaomiui.net\/bluetooth-versions-differences-19725\/\" target=\"_blank\" rel=\"noopener\">xiaomiui.net<\/a>.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>V technick\u00fdch specifikac\u00edch mobiln\u00edch telefon\u016f, chytr\u00fdch hodinek, fitness n\u00e1ramk\u016f a dal\u0161\u00ed spot\u0159ebn\u00ed elektroniky m\u016f\u017eete narazit na informaci o verzi Bluetooth,<\/p>\n","protected":false},"author":3,"featured_media":93956,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[2],"tags":[1995],"class_list":["post-93954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-clanky","tag-bluetooth"],"wppr_data":{"cwp_meta_box_check":"No"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jak\u00e9 jsou rozd\u00edly ve verz\u00edch Bluetooth 1.0 a\u017e 5.0?<\/title>\n<meta name=\"description\" content=\"V\u00edte, jak\u00e9 jsou rozd\u00edly ve verz\u00edch Bluetooth 1.0, 2.0, 3.0, 4.0 a 5.0? 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