{"id":3705,"date":"2025-12-24T10:01:47","date_gmt":"2025-12-24T10:01:47","guid":{"rendered":"https:\/\/blog.lebara.co.uk\/?p=3705"},"modified":"2026-02-05T08:57:25","modified_gmt":"2026-02-05T08:57:25","slug":"guide-to-music-streaming-formats","status":"publish","type":"post","link":"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/","title":{"rendered":"Pr\u016fvodce form\u00e1ty streamov\u00e1n\u00ed hudby"},"content":{"rendered":"<p>Pokud jste n\u011bkdy otev\u0159eli slu\u017ebu Spotify nebo <a href=\"https:\/\/blog.lebara.co.uk\/cs\/a-guide-to-the-top-iphones-for-business-and-pleasure\/\">Apple<\/a> Hudba a p\u0159em\u00fd\u0161leli jste, co vlastn\u011b znamen\u00e1 \u201cvelmi vysok\u00e1\u201d kvalita - nebo zda kv\u016fli kvalit\u011b zvuku, kter\u00fd ani nesly\u0161\u00edte, nevy\u010derp\u00e1v\u00e1te sv\u016fj datov\u00fd tarif - nejste sami. Sv\u011bt hudebn\u00edch streamovac\u00edch form\u00e1t\u016f m\u016f\u017ee p\u0159ipom\u00ednat abecedn\u00ed pol\u00e9vku: FLAC, OGG, AAC, MP3, kb\/s, bitov\u00e1 hloubka, vzorkovac\u00ed frekvence. Z toho se ka\u017ed\u00e9mu zato\u010d\u00ed hlava.<\/p>\n\n\n\n<p>Dobr\u00e1 zpr\u00e1va je, \u017ee k pochopen\u00ed t\u011bchto form\u00e1t\u016f nen\u00ed t\u0159eba m\u00edt titul zvukov\u00e9ho in\u017een\u00fdra. Jakmile budete zn\u00e1t z\u00e1klady, m\u016f\u017eete se informovan\u011b rozhodovat o tom, co streamovat, kdy stahovat a zda se v\u00e1m vyplat\u00ed pr\u00e9miov\u00e1 bezztr\u00e1tov\u00e1 \u00farove\u0148.<\/p>\n\n\n\n<p>V tomto p\u0159\u00edsp\u011bvku se dozv\u00edte v\u0161e, co pot\u0159ebujete v\u011bd\u011bt o form\u00e1tech streamov\u00e1n\u00ed hudby, co znamenaj\u00ed pro spot\u0159ebu dat, kter\u00e9 aplikace pou\u017e\u00edvaj\u00ed kter\u00e9 form\u00e1ty a jak vybrat spr\u00e1vn\u00e9 nastaven\u00ed pro va\u0161e poslechov\u00e9 n\u00e1vyky.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"P\u0159epnut\u00ed tabulky obsahu\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Quick_Answer_Do_Formats_and_Bitrates_Really_Matter_for_You\" >Rychl\u00e1 odpov\u011b\u010f: Z\u00e1le\u017e\u00ed pro v\u00e1s na form\u00e1tech a datov\u00fdch toc\u00edch?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Data_Usage_Examples_A_3-Minute_Song\" >P\u0159\u00edklady pou\u017eit\u00ed dat: T\u0159\u00edminutov\u00e1 p\u00edse\u0148<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Three_Rules_of_Thumb\" >T\u0159i pravidla<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Core_Concepts_Bitrate_Sample_Rate_Bit_Depth_and_Codecs\" >Z\u00e1kladn\u00ed pojmy: Datov\u00fd tok, vzorkovac\u00ed frekvence, bitov\u00e1 hloubka a kodeky<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Bitrate_kbps\" >Datov\u00fd tok (kb\/s)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Sample_Rate\" >Vzorkovac\u00ed frekvence<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Bit_Depth\" >Hloubka bit\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Codec_vs_Container\" >Kodek vs. kontejner<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Major_Audio_Formats_Explained_FLAC_OGG_MP3_AAC_ALAC_Opus\" >Vysv\u011btlen\u00ed hlavn\u00edch zvukov\u00fdch form\u00e1t\u016f: FLAC, OGG, MP3, AAC, ALAC, Opus.<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#FLAC_Free_Lossless_Audio_Codec\" >FLAC (Free Lossless Audio Codec)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#ALAC_Apple_Lossless_Audio_Codec\" >ALAC (Apple Lossless Audio Codec)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#MP3\" >MP3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#AAC_Advanced_Audio_Coding\" >AAC (Advanced Audio Coding)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#OGG_Vorbis\" >OGG Vorbis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Opus\" >Opus<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#WAVAIFF\" >WAV\/AIFF<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#How_Formats_Affect_Sound_Quality_vs_File_Size_and_Data_Usage\" >Jak form\u00e1ty ovliv\u0148uj\u00ed kvalitu zvuku vs. velikost souboru a vyu\u017eit\u00ed dat<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#File_Sizes_for_a_3-Minute_Song\" >Velikost soubor\u016f pro t\u0159\u00edminutovou skladbu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Monthly_Data_Usage_Comparison\" >M\u011bs\u00ed\u010dn\u00ed srovn\u00e1n\u00ed vyu\u017eit\u00ed dat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#How_Lossy_Compression_Actually_Works\" >Jak vlastn\u011b funguje ztr\u00e1tov\u00e1 komprese<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#What_Actually_Matters_for_Sound_Quality\" >Na \u010dem skute\u010dn\u011b z\u00e1le\u017e\u00ed kvalita zvuku<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Streaming_Quality_Settings_by_App_Spotify_Apple_Music_YouTube_Music_Tidal_Qobuz_Deezer\" >Nastaven\u00ed kvality streamov\u00e1n\u00ed podle aplikace (Spotify, Apple Music, YouTube Music, Tidal, Qobuz, Deezer)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Spotify\" >Spotify<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Apple_Music\" >Apple Music<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#YouTube_Music\" >Hudba YouTube<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Tidal\" >P\u0159\u00edliv a odliv<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Qobuz\" >Qobuz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Deezer\" >Deezer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Other_Services\" >Ostatn\u00ed slu\u017eby<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Bluetooth_Wi-Fi_and_Headphones_Why_Lossless_Isnt_Always_What_You_Hear\" >Bluetooth, Wi-Fi a sluch\u00e1tka: Pro\u010d nen\u00ed bezztr\u00e1tov\u00e9 v\u017edy to, co sly\u0161\u00edte<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#The_Bluetooth_Bottleneck\" >\u00dazk\u00e9 hrdlo Bluetooth<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Wi-Fi_Speakers_Are_Different\" >Reproduktory Wi-Fi se li\u0161\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#The_%E2%80%9CWired%E2%80%9D_Headphone_Caveat\" >V\u00fdhrada ke kabelov\u00fdm sluch\u00e1tk\u016fm<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#What_This_Means_Practically\" >Co to znamen\u00e1 v praxi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Practical_Recommendations_What_to_Use_and_When\" >Praktick\u00e1 doporu\u010den\u00ed: Co a kdy pou\u017e\u00edvat<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Mobile_Data_with_Limited_Allowance\" >Mobiln\u00ed data s omezen\u00fdm p\u0159\u00edd\u011blem<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Home_Wi-Fi_with_Mainstream_Headphones_or_Bluetooth_Speakers\" >Dom\u00e1c\u00ed Wi-Fi s b\u011b\u017en\u00fdmi sluch\u00e1tky nebo reproduktory Bluetooth<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Hi-Fi_Systems_Good_Wired_Headphones_Quiet_Rooms\" >Syst\u00e9my Hi-Fi, dobr\u00e1 kabelov\u00e1 sluch\u00e1tka, tich\u00e9 m\u00edstnosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Collectors_and_Long-Term_Libraries\" >Sb\u011bratel\u00e9 a dlouhodob\u00e9 knihovny<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Producers_Podcasters_and_Streamers\" >Producenti, podcaste\u0159i a streame\u0159i<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/#Key_Takeaways\" >Kl\u00ed\u010dov\u00e9 poznatky<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Answer_Do_Formats_and_Bitrates_Really_Matter_for_You\"><\/span>Rychl\u00e1 odpov\u011b\u010f: Z\u00e1le\u017e\u00ed pro v\u00e1s na form\u00e1tech a datov\u00fdch toc\u00edch?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ne\u017e se pust\u00edme do technick\u00fdch detail\u016f, p\u0159ejd\u011bme k j\u00e1dru v\u011bci.<\/p>\n\n\n\n<p><strong>FLAC<\/strong> a <strong>ALAC<\/strong> jsou bezeztr\u00e1tov\u00e9 zvukov\u00e9 form\u00e1ty - komprimuj\u00ed soubory bez ztr\u00e1ty zvukov\u00fdch informac\u00ed. P\u0159edstavte si je jako soubory ZIP pro hudbu. <strong>OGG Vorbis<\/strong>, <strong>MP3<\/strong>a <strong>AAC<\/strong> jsou ztr\u00e1tov\u00e9 form\u00e1ty, kter\u00e9 vyu\u017e\u00edvaj\u00ed chytr\u00e9 psychoakustick\u00e9 triky k odstran\u011bn\u00ed zvuk\u016f, kter\u00e9 pravd\u011bpodobn\u011b stejn\u011b neusly\u0161\u00edte, a v\u00fdsledkem jsou mnohem men\u0161\u00ed soubory.<\/p>\n\n\n\n<p>\u010c\u00edslo, kter\u00e9 vid\u00edte jako \u201c320 kb\/s\u201d, ozna\u010duje datov\u00fd tok - v podstat\u011b kolik kilobit\u016f dat se p\u0159enese za sekundu. Vy\u0161\u0161\u00ed datov\u00fd tok obecn\u011b znamen\u00e1 lep\u0161\u00ed kvalitu, ale tak\u00e9 v\u011bt\u0161\u00ed spot\u0159ebu dat.<\/p>\n\n\n\n<p>Mo\u017en\u00e1 v\u00e1s p\u0159ekvap\u00ed, \u017ee pro v\u011bt\u0161inu lid\u00ed, kte\u0159\u00ed poslouchaj\u00ed p\u0159es typick\u00e1 sluch\u00e1tka, <a href=\"https:\/\/blog.lebara.co.uk\/cs\/demystifying-bluetooth-technology-a-beginners-guide-to-wireless-connectivity\/\">Bluetooth<\/a> sluch\u00e1tka nebo reproduktory telefonu, je kvalitn\u00ed ztr\u00e1tov\u00fd datov\u00fd tok 256-320 kb\/s p\u0159i testech naslepo prakticky nerozeznateln\u00fd od bezztr\u00e1tov\u00e9ho. To nen\u00ed n\u00e1zor - bylo to opakovan\u011b potvrzeno v kontrolovan\u00fdch poslechov\u00fdch experimentech. Rozd\u00edl mezi kvalitou \u201cVery High\u201d slu\u017eby Spotify (320 kb\/s OGG) a souborem FLAC je n\u011bco, co v\u011bt\u0161ina poslucha\u010d\u016f na b\u011b\u017en\u00e9m za\u0159\u00edzen\u00ed prost\u011b nesly\u0161\u00ed.<\/p>\n\n\n\n<p>V \u010dem tedy bezeztr\u00e1tov\u00fd zvuk vlastn\u011b pom\u00e1h\u00e1?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Archivace<\/strong>: Pokud si vytv\u00e1\u0159\u00edte dlouhodobou hudebn\u00ed knihovnu, bezztr\u00e1tov\u00fd form\u00e1t zachov\u00e1 v\u0161e pro budouc\u00ed pou\u017eit\u00ed.<\/li>\n\n\n\n<li><strong>\u00daprava a mastering<\/strong>: Pr\u00e1ce se zdrojov\u00fdmi soubory znamen\u00e1, \u017ee nedoch\u00e1z\u00ed ke genera\u010dn\u00ed ztr\u00e1t\u011b kvality<\/li>\n\n\n\n<li><strong>\u0160pi\u010dkov\u00e1 v\u00fdbava<\/strong>: \u0158e\u0161en\u00ed kabelov\u00fdch sluch\u00e1tek nebo reproduktor\u016f v tich\u00fdch m\u00edstnostech m\u016f\u017ee odhalit jemn\u00e9 rozd\u00edly.<\/li>\n\n\n\n<li><strong>Klid v du\u0161i<\/strong>: N\u011bkte\u0159\u00ed lid\u00e9 prost\u011b rad\u011bji v\u011bd\u00ed, \u017ee maj\u00ed k dispozici \u00faplnou nahr\u00e1vku.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Data_Usage_Examples_A_3-Minute_Song\"><\/span>P\u0159\u00edklady pou\u017eit\u00ed dat: T\u0159\u00edminutov\u00e1 p\u00edse\u0148<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Nastaven\u00ed kvality<\/th><th>Form\u00e1t<\/th><th>P\u0159ibli\u017en\u00e1 velikost<\/th><\/tr><tr><td>Low (96 kb\/s)<\/td><td>MP3\/OGG<\/td><td>~2 MB<\/td><\/tr><tr><td>Norm\u00e1ln\u00ed (160 kb\/s)<\/td><td>AAC\/OGG<\/td><td>~3,5 MB<\/td><\/tr><tr><td>Velmi vysok\u00e1 (320 kb\/s)<\/td><td>OGG\/MP3<\/td><td>~7 MB<\/td><\/tr><tr><td>Bezztr\u00e1tov\u00fd (16 bit\u016f\/44,1 kHz)<\/td><td>FLAC\/ALAC<\/td><td>~15-25 MB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>To je zna\u010dn\u00fd rozsah - bezeztr\u00e1tov\u00e9 soubory mohou b\u00fdt 3-4\u00d7 v\u011bt\u0161\u00ed ne\u017e vysoce kvalitn\u00ed ztr\u00e1tov\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Three_Rules_of_Thumb\"><\/span>T\u0159i pravidla<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Na adrese <a href=\"https:\/\/blog.lebara.co.uk\/cs\/%ef%bf%bchow-much-data-is-optimal\/\">mobiln\u00ed data<\/a><\/strong>: Pou\u017eijte 96-160 kb\/s, abyste u\u0161et\u0159ili sv\u016fj pl\u00e1n<\/li>\n\n\n\n<li><strong>O Wi-Fi a p\u0159\u00edle\u017eitostn\u00e9m poslechu<\/strong>: 160-320 kb\/s p\u0159edstavuje nejlep\u0161\u00ed kompromis<\/li>\n\n\n\n<li><strong>Pro archivaci a kritick\u00fd poslech<\/strong>: FLAC nebo ALAC je spr\u00e1vn\u00e1 volba<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Core_Concepts_Bitrate_Sample_Rate_Bit_Depth_and_Codecs\"><\/span>Z\u00e1kladn\u00ed pojmy: Datov\u00fd tok, vzorkovac\u00ed frekvence, bitov\u00e1 hloubka a kodeky<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ne\u017e se pust\u00edme do konkr\u00e9tn\u00edch form\u00e1t\u016f a aplikac\u00ed, ujasn\u011bme si n\u011bkter\u00e9 z\u00e1kladn\u00ed poznatky. Nebojte se - bude to sp\u00ed\u0161e praktick\u00e9 ne\u017e teoretick\u00e9.<\/p>\n\n\n\n<p>Na t\u011bchto pojmech z\u00e1le\u017e\u00ed, proto\u017ee p\u0159\u00edmo ovliv\u0148uj\u00ed to, co sly\u0161\u00edte a kolik dat pou\u017e\u00edv\u00e1te. Jejich pochopen\u00ed v\u00e1m pom\u016f\u017ee zorientovat se v nastaven\u00ed kvality r\u016fzn\u00fdch streamovac\u00edch slu\u017eeb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bitrate_kbps\"><\/span>Datov\u00fd tok (kb\/s)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Datov\u00fd tok m\u011b\u0159\u00ed, kolik dat se pou\u017eije na jednu sekundu zvuku. Vyjad\u0159uje se v kilobitech za sekundu (kb\/s).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>96 kb\/s<\/strong>: Kvalita telefonn\u00edho hovoru, velmi komprimovan\u00e1<\/li>\n\n\n\n<li><strong>160 kb\/s<\/strong>: Slu\u0161n\u00e1 kvalita pro p\u0159\u00edle\u017eitostn\u00fd poslech<\/li>\n\n\n\n<li><strong>256 kb\/s<\/strong>: V\u00fdchoz\u00ed kvalita AAC v Apple Music<\/li>\n\n\n\n<li><strong>320 kb\/s<\/strong>: \u201cVery High\u201d od Spotify, kter\u00e1 je pro v\u011bt\u0161inu u\u0161\u00ed pova\u017eov\u00e1na za pr\u016fhlednou<\/li>\n\n\n\n<li><strong>~1,411 kb\/s<\/strong>: Bezztr\u00e1tov\u00e1 kvalita CD (16 bit\u016f\/44,1 kHz)<\/li>\n<\/ul>\n\n\n\n<p>Vy\u0161\u0161\u00ed datov\u00fd tok = v\u00edce dat = potenci\u00e1ln\u011b v\u00edce zachovan\u00fdch detail\u016f. U ztr\u00e1tov\u00fdch form\u00e1t\u016f existuje bod klesaj\u00edc\u00ed n\u00e1vratnosti, kdy v\u011bt\u0161ina lid\u00ed nesly\u0161\u00ed zlep\u0161en\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sample_Rate\"><\/span>Vzorkovac\u00ed frekvence<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Vzorkovac\u00ed frekvence ud\u00e1v\u00e1, kolikr\u00e1t za sekundu byl zvuk b\u011bhem nahr\u00e1v\u00e1n\u00ed m\u011b\u0159en. M\u011b\u0159\u00ed se v hertz\u00edch (Hz) nebo kilohertz\u00edch (kHz).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>44,1 kHz<\/strong>: Standard CD, zachycuje frekvence a\u017e do ~ 22 kHz (mimo rozsah lidsk\u00e9ho sluchu ~ 20 Hz-20 kHz).<\/li>\n\n\n\n<li><strong>48 kHz<\/strong>: B\u011b\u017en\u00fd p\u0159i v\u00fdrob\u011b videa<\/li>\n\n\n\n<li><strong>96 kHz \/ 192 kHz<\/strong>: Zvuk Hi-Res, zachycuje frekvence daleko za hranic\u00ed sly\u0161itelnosti.<\/li>\n<\/ul>\n\n\n\n<p>Tady je bod, kter\u00fd v\u00e1m v\u011bt\u0161ina marketingu ne\u0159ekne: 44,1 kHz ji\u017e pokr\u00fdv\u00e1 cel\u00fd sly\u0161iteln\u00fd frekven\u010dn\u00ed rozsah. Vy\u0161\u0161\u00ed vzorkovac\u00ed frekvence maj\u00ed teoretick\u00e9 v\u00fdhody pro zpracov\u00e1n\u00ed p\u0159i v\u00fdrob\u011b, ale pro poslech? Debata pokra\u010duje a osobn\u011b pochybuji, \u017ee by v\u011bt\u0161ina lid\u00ed dok\u00e1zala p\u0159i slep\u00e9m testu poznat rozd\u00edl.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bit_Depth\"><\/span>Hloubka bit\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Bitov\u00e1 hloubka ur\u010duje dynamick\u00fd rozsah - rozd\u00edl mezi nejti\u0161\u0161\u00edmi a nejhlasit\u011bj\u0161\u00edmi zvuky, kter\u00e9 lze zachytit.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>16 bit\u016f<\/strong>: Standard CD, dynamick\u00fd rozsah ~96 dB (v\u00edce ne\u017e dostate\u010dn\u00fd pro jak\u00e9koli re\u00e1ln\u00e9 poslechov\u00e9 prost\u0159ed\u00ed)<\/li>\n\n\n\n<li><strong>24 bit\u016f<\/strong>: Studiov\u00fd standard, dynamick\u00fd rozsah ~144 dB (vhodn\u00e9 pro nahr\u00e1v\u00e1n\u00ed a mixov\u00e1n\u00ed)<\/li>\n<\/ul>\n\n\n\n<p>Pro p\u0159edstavu, dynamick\u00fd rozsah symfonick\u00e9ho orchestru je p\u0159ibli\u017en\u011b 70 dB. V\u00e1\u0161 poslechov\u00fd prostor m\u00e1 pravd\u011bpodobn\u011b 40-60 dB okoln\u00edho hluku. Praktick\u00e9 v\u00fdhody 24 bit\u016f pro spot\u0159ebitele z\u016fst\u00e1vaj\u00ed p\u0159edm\u011btem diskuse.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Codec_vs_Container\"><\/span>Kodek vs. kontejner<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A <strong>kodek<\/strong> je algoritmus, kter\u00fd k\u00f3duje a dek\u00f3duje zvuk. A <strong>kontejner<\/strong> je form\u00e1t souboru, kter\u00fd obsahuje zak\u00f3dovan\u00e1 data.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Typ kodeku<\/th><th>P\u0159\u00edklady<\/th><\/tr><tr><td>Bezztr\u00e1tov\u00fd<\/td><td>FLAC, ALAC, WAV<\/td><\/tr><tr><td>Ztr\u00e1tov\u00e9<\/td><td>MP3, AAC, OGG Vorbis, Opus<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Kontejnery<\/strong> jako .m4a m\u016f\u017ee obsahovat bu\u010f AAC (ztr\u00e1tov\u00fd), nebo ALAC (bezeztr\u00e1tov\u00fd). Kontejner .ogg obvykle obsahuje zvuk Vorbis nebo Opus.<\/p>\n\n\n\n<p>Jedna v\u011bc stoj\u00ed za zm\u00ednku: v\u00fdroba a nahr\u00e1v\u00e1n\u00ed obvykle prob\u00edh\u00e1 ve vy\u0161\u0161\u00edm rozli\u0161en\u00ed (24 bit\u016f\/48-96 kHz), ale distribuce ke spot\u0159ebitel\u016fm je obvykle 16 bit\u016f\/44,1 kHz nebo vysoce kvalitn\u00ed ztr\u00e1tov\u00e1 verze. To, co streamujete, ji\u017e bylo p\u0159evedeno z p\u016fvodn\u00edch studiov\u00fdch soubor\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Major_Audio_Formats_Explained_FLAC_OGG_MP3_AAC_ALAC_Opus\"><\/span>Vysv\u011btlen\u00ed hlavn\u00edch zvukov\u00fdch form\u00e1t\u016f: FLAC, OGG, MP3, AAC, ALAC, Opus.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nyn\u00ed si projdeme hlavn\u00ed form\u00e1ty, se kter\u00fdmi se setk\u00e1te v hudebn\u00edch aplikac\u00edch, p\u0159i stahov\u00e1n\u00ed a ripov\u00e1n\u00ed. Ka\u017ed\u00fd z nich m\u00e1 sv\u00e9 m\u00edsto v z\u00e1vislosti na zp\u016fsobu pou\u017eit\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FLAC_Free_Lossless_Audio_Codec\"><\/span>FLAC (Free Lossless Audio Codec)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>FLAC je zlat\u00fdm standardem pro bezeztr\u00e1tovou distribuci zvuku. M\u00e1 otev\u0159en\u00fd zdrojov\u00fd k\u00f3d, je bezplatn\u00fd a podporuje ho p\u0159ibli\u017en\u011b 85% modern\u00edch za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Typ<\/strong>: Bezztr\u00e1tov\u00e1 komprese<\/li>\n\n\n\n<li><strong>Typick\u00fd datov\u00fd tok<\/strong>: 600-1 000 kb\/s pro kvalitu CD<\/li>\n\n\n\n<li><strong>Velikost souboru<\/strong>: ~15-25 MB na 3minutovou skladbu<\/li>\n\n\n\n<li><strong>Podporuje<\/strong>: Metadata, obal alba, a\u017e 32 bit\u016f\/192 kHz<\/li>\n<\/ul>\n\n\n\n<p>FLAC najdete na Bandcampu, HDtracks, Qobuzu a Tidalu. Ve srovn\u00e1n\u00ed s nekomprimovan\u00fdm form\u00e1tem WAV dosahuje zmen\u0161en\u00ed velikosti o 30-60% p\u0159i zachov\u00e1n\u00ed identick\u00e9 kvality zvuku. Pro archivaci hudebn\u00ed knihovny je FLAC t\u011b\u017eko p\u0159ekonateln\u00fd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ALAC_Apple_Lossless_Audio_Codec\"><\/span>ALAC (Apple Lossless Audio Codec)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ALAC je v podstat\u011b odpov\u011b\u010f spole\u010dnosti Apple na FLAC. Nab\u00edz\u00ed stejnou bezztr\u00e1tovou kvalitu, ale je kompatibiln\u00ed s ekosyst\u00e9mem Apple.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Typ<\/strong>: Bezztr\u00e1tov\u00e1 komprese<\/li>\n\n\n\n<li><strong>Kontejner<\/strong>: soubory .m4a<\/li>\n\n\n\n<li><strong>Kvalita<\/strong>: Stejn\u00e9 jako FLAC<\/li>\n<\/ul>\n\n\n\n<p>Slu\u017eba Apple Music pou\u017e\u00edv\u00e1 pro sv\u00e9 bezztr\u00e1tov\u00e9 a Hi-Res Lossless \u00farovn\u011b form\u00e1t ALAC. Pokud jste hluboko v ekosyst\u00e9mu Apple, m\u00e1 ALAC smysl. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b m\u00e1 FLAC d\u00edky \u0161ir\u0161\u00ed kompatibilit\u011b v\u00fdhodu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"MP3\"><\/span>MP3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Form\u00e1t, kter\u00fd na konci 90. let zm\u011bnil v\u0161e. MP3 umo\u017enil \u00e9ru iPod\u016f a revoluci ve sd\u00edlen\u00ed soubor\u016f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Typ<\/strong>: Ztr\u00e1tov\u00e1 komprese<\/li>\n\n\n\n<li><strong>B\u011b\u017en\u00e9 datov\u00e9 toky<\/strong>: 128, 192, 256, 320 kbps<\/li>\n\n\n\n<li><strong>Velikost souboru p\u0159i 320 kb\/s<\/strong>: ~7 MB na t\u0159\u00edminutovou skladbu<\/li>\n<\/ul>\n\n\n\n<p>MP3 z\u016fst\u00e1v\u00e1 neuv\u011b\u0159iteln\u011b kompatibiln\u00ed - p\u0159ehrajete ho prakticky na \u010demkoli. Jeho star\u0161\u00ed psychoakustick\u00fd model v\u0161ak znamen\u00e1, \u017ee je m\u00e9n\u011b efektivn\u00ed ne\u017e modern\u00ed alternativy. Soubor MP3 o rychlosti 320 kb\/s zn\u00ed dob\u0159e, ale soubor AAC o rychlosti 256 kb\/s m\u016f\u017ee zn\u00edt stejn\u011b dob\u0159e nebo l\u00e9pe.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AAC_Advanced_Audio_Coding\"><\/span>AAC (Advanced Audio Coding)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Form\u00e1t AAC byl navr\u017een jako n\u00e1stupce form\u00e1tu MP3 a poskytuje lep\u0161\u00ed kvalitu p\u0159i stejn\u00e9m datov\u00e9m toku.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Typ<\/strong>: Ztr\u00e1tov\u00e1 komprese<\/li>\n\n\n\n<li><strong>Sladk\u00e9 m\u00edsto<\/strong>: 256 kb\/s (v\u00fdchoz\u00ed nastaven\u00ed spole\u010dnosti Apple)<\/li>\n\n\n\n<li><strong>Pou\u017e\u00edv\u00e1<\/strong>: Apple Music, iTunes Store, YouTube<\/li>\n<\/ul>\n\n\n\n<p>Zaj\u00edmav\u00fd p\u0159\u00edklad: ve slep\u00fdch testech se 256 kb\/s AAC b\u011b\u017en\u011b vyrovn\u00e1 nebo p\u0159ekon\u00e1 320 kb\/s MP3 ve vn\u00edman\u00e9 kvalit\u011b. To je d\u016fvod, pro\u010d spole\u010dnost Apple standardizovala 256 kb\/s - je to ten spr\u00e1vn\u00fd bod, kdy v\u011bt\u0161ina u\u0161\u00ed nedok\u00e1\u017ee rozeznat bezztr\u00e1tovou kvalitu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"OGG_Vorbis\"><\/span>OGG Vorbis<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>OGG Vorbis je ztr\u00e1tov\u00fd kodek s otev\u0159en\u00fdm zdrojov\u00fdm k\u00f3dem, kter\u00fd vznikl jako patentov\u011b chr\u00e1n\u011bn\u00e1 alternativa k form\u00e1t\u016fm MP3 a AAC.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Typ<\/strong>: Ztr\u00e1tov\u00e1 komprese<\/li>\n\n\n\n<li><strong>Datov\u00e9 toky<\/strong>: 24, 96, 160, 320 kbps<\/li>\n\n\n\n<li><strong>Pou\u017e\u00edv\u00e1<\/strong>: Spotify, mnoho her, distribuce Linuxu<\/li>\n<\/ul>\n\n\n\n<p>Spole\u010dnost Spotify postavila celou svou infrastrukturu pro streamov\u00e1n\u00ed na form\u00e1tu OGG Vorbis. S rychlost\u00ed 320 kb\/s poskytuje vynikaj\u00edc\u00ed kvalitu a z\u00e1rove\u0148 \u0161et\u0159\u00ed data. S OGG se setk\u00e1te tak\u00e9 ve star\u0161\u00edch po\u010d\u00edta\u010dov\u00fdch hr\u00e1ch a n\u011bkter\u00fdch nez\u00e1visl\u00fdch medi\u00e1ln\u00edch projektech.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Opus\"><\/span>Opus<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Opus je nov\u00e1\u010dek na trhu - vysoce efektivn\u00ed kodek, kter\u00fd je nad jeho s\u00edly.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Typ<\/strong>: Ztr\u00e1tov\u00e1 komprese<\/li>\n\n\n\n<li><strong>Sladk\u00e9 m\u00edsto<\/strong>: 96-160 kbps (soupe\u0159i 256-320 kbps MP3)<\/li>\n\n\n\n<li><strong>Pou\u017e\u00edv\u00e1<\/strong>: Discord, hovory p\u0159es WhatsApp, n\u011bkter\u00e9 streamy na YouTube<\/li>\n<\/ul>\n\n\n\n<p>P\u0159i rychlosti 128 kb\/s m\u016f\u017ee Opus zn\u00edt pro mnoho poslucha\u010d\u016f stejn\u011b dob\u0159e jako 256 kb\/s AAC. Je to \u00fa\u017easn\u00e9 zejm\u00e9na pro hlasov\u00e9 hovory a \u017eiv\u00e9 vys\u00edl\u00e1n\u00ed, kde je omezen\u00e1 \u0161\u00ed\u0159ka p\u00e1sma.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"WAVAIFF\"><\/span>WAV\/AIFF<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Jedn\u00e1 se o nekomprimovan\u00e9 form\u00e1ty PCM - takov\u00e9, jak\u00e9 byste vytvo\u0159ili, kdybyste ripovali CD bez jak\u00e9koli komprese.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Typ<\/strong>: Nekomprimovan\u00fd (bez komprese)<\/li>\n\n\n\n<li><strong>Velikost souboru<\/strong>: ~30 MB na 3minutovou skladbu p\u0159i 16 bit\/44,1 kHz<\/li>\n\n\n\n<li><strong>Pou\u017e\u00edv\u00e1 se pro<\/strong>: Studiov\u00e1 v\u00fdroba, mastering<\/li>\n<\/ul>\n\n\n\n<p>WAV a AIFF b\u00fdvaj\u00ed pro spot\u0159ebitelsk\u00e9 knihovny zbyte\u010dn\u00e9. Jsou to obrovsk\u00e9 soubory bez podpory metadat. FLAC v\u00e1m poskytne identickou kvalitu na polovi\u010dn\u00edm prostoru s \u0159\u00e1dn\u00fdm tagov\u00e1n\u00edm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Formats_Affect_Sound_Quality_vs_File_Size_and_Data_Usage\"><\/span>Jak form\u00e1ty ovliv\u0148uj\u00ed kvalitu zvuku vs. velikost souboru a vyu\u017eit\u00ed dat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>P\u0159eve\u010fme nyn\u00ed v\u0161echny tyto normy do konkr\u00e9tn\u00edch d\u016fsledk\u016f poslechu a pou\u017e\u00edv\u00e1n\u00ed dat. Zde se setk\u00e1v\u00e1me s t\u00edm, co se t\u00fdk\u00e1 va\u0161ich zvyklost\u00ed p\u0159i streamov\u00e1n\u00ed a datov\u00e9ho pl\u00e1nu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"File_Sizes_for_a_3-Minute_Song\"><\/span>Velikost soubor\u016f pro t\u0159\u00edminutovou skladbu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Kvalita<\/th><th>Datov\u00fd tok<\/th><th>P\u0159ibli\u017en\u00e1 velikost<\/th><\/tr><tr><td>N\u00edzk\u00e1<\/td><td>96 kb\/s<\/td><td>~2 MB<\/td><\/tr><tr><td>Norm\u00e1ln\u00ed<\/td><td>160 kb\/s<\/td><td>~3,5 MB<\/td><\/tr><tr><td>Vysok\u00e1<\/td><td>256 kb\/s<\/td><td>~5,5 MB<\/td><\/tr><tr><td>Velmi vysok\u00e1<\/td><td>320 kb\/s<\/td><td>~7 MB<\/td><\/tr><tr><td>Bezztr\u00e1tov\u00e9 CD<\/td><td>~1,411 kb\/s<\/td><td>~15-20 MB<\/td><\/tr><tr><td>Hi-Res Lossless<\/td><td>~4,000+ kbps<\/td><td>~40-60 MB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Monthly_Data_Usage_Comparison\"><\/span>M\u011bs\u00ed\u010dn\u00ed srovn\u00e1n\u00ed vyu\u017eit\u00ed dat<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0158ekn\u011bme, \u017ee denn\u011b streamujete p\u0159ibli\u017en\u011b 1 hodinu - typick\u00fd sc\u00e9n\u00e1\u0159 doj\u00ed\u017ed\u011bn\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Kvalita<\/th><th>Data za hodinu<\/th><th>M\u011bs\u00ed\u010dn\u00ed spot\u0159eba (30 hodin)<\/th><\/tr><tr><td>96 kb\/s<\/td><td>~43 MB<\/td><td>~1,3 GB<\/td><\/tr><tr><td>160 kb\/s<\/td><td>~72 MB<\/td><td>~2,2 GB<\/td><\/tr><tr><td>320 kb\/s<\/td><td>~144 MB<\/td><td>~4,3 GB<\/td><\/tr><tr><td>Bezztr\u00e1tov\u00fd FLAC<\/td><td>~300-500 MB<\/td><td>~9-15 GB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Pokud m\u00e1te omezen\u00fd mobiln\u00ed tarif, je rozd\u00edl mezi 96 kb\/s a bezeztr\u00e1tov\u00fdm p\u0159enosem dat rozd\u00edlem mezi pohodln\u00fdm streamov\u00e1n\u00edm po cel\u00fd m\u011bs\u00edc a vy\u010derp\u00e1n\u00edm dat za dva t\u00fddny. Pro n\u011bkoho, kdo se ob\u00e1v\u00e1 n\u00e1klad\u016f na data, je dobr\u00e9 si to zapamatovat.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Lossy_Compression_Actually_Works\"><\/span>Jak vlastn\u011b funguje ztr\u00e1tov\u00e1 komprese<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Form\u00e1ty MP3, AAC, OGG a Opus pou\u017e\u00edvaj\u00ed k identifikaci zvuk\u016f psychoakustick\u00e9 modely. <a href=\"https:\/\/blog.lebara.co.uk\/cs\/the-top-8-mindfulness-apps\/\">mozek<\/a> si toho pravd\u011bpodobn\u011b stejn\u011b nev\u0161imne:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tich\u00e9 zvuky maskovan\u00e9 hlasit\u011bj\u0161\u00edmi soub\u011b\u017en\u00fdmi zvuky<\/li>\n\n\n\n<li>Frekvence na sam\u00e9 hranici lidsk\u00e9ho sluchu<\/li>\n\n\n\n<li>\u010casov\u00e9 maskov\u00e1n\u00ed (zvuky skryt\u00e9 t\u00edm, co p\u0159ich\u00e1z\u00ed bezprost\u0159edn\u011b p\u0159ed\/po nich)<\/li>\n<\/ul>\n\n\n\n<p>Kodeky pak tyto \u00fadajn\u011b nesly\u0161iteln\u00e9 informace \u201czahod\u00ed\u201d. P\u0159i vysok\u00fdch p\u0159enosov\u00fdch rychlostech (256-320 kb\/s) je to, co z\u016fstane, tak bl\u00edzko origin\u00e1lu, \u017ee v\u011bt\u0161ina lid\u00ed p\u0159i kontrolovan\u00fdch slep\u00fdch testech nesly\u0161\u00ed rozd\u00edl.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Actually_Matters_for_Sound_Quality\"><\/span>Na \u010dem skute\u010dn\u011b z\u00e1le\u017e\u00ed kvalita zvuku<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Zde je n\u011bco, co by mohlo zm\u011bnit v\u00e1\u0161 pohled: faktory, kter\u00e9 nejv\u00edce ovliv\u0148uj\u00ed v\u00e1\u0161 z\u00e1\u017eitek z poslechu, se\u0159azen\u00e9 podle d\u016fle\u017eitosti:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Kvalita nahr\u00e1v\u00e1n\u00ed a masteringu<\/strong> - Skv\u011ble nahran\u00e9 a zmasterovan\u00e9 album v kvalit\u011b 256 kb\/s bude zn\u00edt l\u00e9pe ne\u017e \u0161patn\u011b zmasterovan\u00e9 album v Hi-Res.<\/li>\n\n\n\n<li><strong>Kvalita reproduktor\u016f\/sluch\u00e1tek<\/strong> - Na p\u0159evodn\u00edc\u00edch z\u00e1le\u017e\u00ed v\u00edce ne\u017e na form\u00e1tu souboru<\/li>\n\n\n\n<li><strong>Akustika m\u00edstnosti<\/strong> (pro reproduktory) - Odrazy, \u0161umov\u00e1 hladina, um\u00edst\u011bn\u00ed<\/li>\n\n\n\n<li><strong>Form\u00e1t a datov\u00fd tok<\/strong> - Ano, z\u00e1le\u017e\u00ed na tom, ale m\u00e9n\u011b ne\u017e na v\u00fd\u0161e uveden\u00e9m.<\/li>\n<\/ol>\n\n\n\n<p>U typick\u00fdch sluch\u00e1tek Bluetooth, chytr\u00fdch telefon\u016f nebo chytr\u00fdch reproduktor\u016f je rozd\u00edl mezi ztr\u00e1tov\u00fdm a bezztr\u00e1tov\u00fdm p\u0159enosem 320 kb\/s zanedbateln\u011b mal\u00fd. Jemn\u00e9 rozd\u00edly se mohou objevit pouze u kabelov\u00fdch syst\u00e9m\u016f v tich\u00fdch m\u00edstnostech - a ani tehdy je mnoho poslucha\u010d\u016f nedok\u00e1\u017ee spolehliv\u011b rozli\u0161it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Streaming_Quality_Settings_by_App_Spotify_Apple_Music_YouTube_Music_Tidal_Qobuz_Deezer\"><\/span>Nastaven\u00ed kvality streamov\u00e1n\u00ed podle aplikace (Spotify, Apple Music, YouTube Music, Tidal, Qobuz, Deezer)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Poj\u010fme si up\u0159esnit, co jednotliv\u00e9 hlavn\u00ed streamovac\u00ed slu\u017eby skute\u010dn\u011b poskytuj\u00ed. Zde najdete informace, kter\u00e9 v\u00e1m pomohou propojit nastaven\u00ed aplikace s vyu\u017eit\u00edm dat a kvalitou zvuku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Spotify\"><\/span>Spotify<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Spole\u010dnost Spotify v minulosti pou\u017e\u00edvala pro ve\u0161ker\u00e9 streamov\u00e1n\u00ed form\u00e1t OGG Vorbis:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u00darove\u0148 kvality<\/th><th>Datov\u00fd tok<\/th><th>Pozn\u00e1mky<\/th><\/tr><tr><td>N\u00edzk\u00e1<\/td><td>24 kb\/s<\/td><td>Sotva pou\u017eiteln\u00fd, extr\u00e9mn\u00ed \u00faspora dat<\/td><\/tr><tr><td>Norm\u00e1ln\u00ed<\/td><td>96 kb\/s<\/td><td>V\u00fdchoz\u00ed nastaven\u00ed pro mobiln\u00ed za\u0159\u00edzen\u00ed<\/td><\/tr><tr><td>Vysok\u00e1<\/td><td>160 kb\/s<\/td><td>Slu\u0161n\u00e1 kvalita<\/td><\/tr><tr><td>Velmi vysok\u00e1<\/td><td>320 kb\/s<\/td><td>Pouze pr\u00e9miov\u00e9, t\u00e9m\u011b\u0159 pr\u016fhledn\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Zaj\u00edmav\u00e1 v\u011bc: Spotify mluv\u00ed o bezztr\u00e1tov\u00e9 \u00farovni HiFi u\u017e od roku 2021, ale od roku 2025 st\u00e1le nen\u00ed \u0161iroce roz\u0161\u00ed\u0159en\u00e1. V\u011bt\u0161ina u\u017eivatel\u016f st\u00e1le dost\u00e1v\u00e1 ztr\u00e1tov\u00e9 OGG. Spole\u010dnost st\u00e1le ml\u010d\u00ed o tom, kdy (a zda v\u016fbec) k tomu skute\u010dn\u011b dojde, co\u017e mnoh\u00e9 audiofily nech\u00e1v\u00e1 v nejistot\u011b, zda by nem\u011bli p\u0159esko\u010dit k Tidalu nebo Qobuzu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Apple_Music\"><\/span>Apple Music<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Apple ke sv\u00e9mu ekosyst\u00e9mu p\u0159istupuje jinak:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u00darove\u0148 kvality<\/th><th>Form\u00e1t<\/th><th>Datov\u00fd tok<\/th><\/tr><tr><td>Standardn\u00ed<\/td><td>AAC<\/td><td>256 kb\/s<\/td><\/tr><tr><td>Bezztr\u00e1tov\u00fd<\/td><td>ALAC<\/td><td>~1,411 kb\/s (16 bit\u016f\/44,1 kHz)<\/td><\/tr><tr><td>Hi-Res Lossless<\/td><td>ALAC<\/td><td>A\u017e 24 bit\u016f\/192 kHz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>V\u00fdchoz\u00ed form\u00e1t AAC 256 kb\/s je vynikaj\u00edc\u00ed - nezapome\u0148te, \u017ee svou kvalitou konkuruje form\u00e1tu MP3 320 kb\/s. Bezztr\u00e1tov\u00e9 a Hi-Res Lossless jsou k dispozici v iOS, macOS a Apple TV prost\u0159ednictv\u00edm kabelov\u00e9ho p\u0159ipojen\u00ed nebo AirPlay 2.<\/p>\n\n\n\n<p><strong>D\u016fle\u017eit\u00e9 upozorn\u011bn\u00ed<\/strong>: True lossless NEN\u00cd streamov\u00e1n\u00ed p\u0159es Bluetooth do AirPods. P\u0159ipojen\u00ed Bluetooth rekomprimuje zvuk bez ohledu na to, co vyberete v aplikaci. V\u00edce o tom n\u00ed\u017ee.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"YouTube_Music\"><\/span>Hudba YouTube<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Slu\u017eba YouTube Music obvykle pou\u017e\u00edv\u00e1 form\u00e1t AAC nebo Opus s prom\u011bnliv\u00fdm datov\u00fdm tokem:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Nastaven\u00ed kvality<\/th><th>P\u0159ibli\u017en\u00fd datov\u00fd tok<\/th><\/tr><tr><td>N\u00edzk\u00e1<\/td><td>~48 kbps<\/td><\/tr><tr><td>Norm\u00e1ln\u00ed<\/td><td>~128 kbps<\/td><\/tr><tr><td>Vysok\u00e1<\/td><td>~256 kb\/s<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Slu\u017eba YouTube Premium zlep\u0161uje kvalitu ve srovn\u00e1n\u00ed s bezplatnou \u00farovn\u00ed. Slu\u017eba vyu\u017e\u00edv\u00e1 adaptivn\u00ed streamov\u00e1n\u00ed, tak\u017ee skute\u010dn\u00fd datov\u00fd tok z\u00e1vis\u00ed na va\u0161em p\u0159ipojen\u00ed a za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tidal\"><\/span>P\u0159\u00edliv a odliv<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>V posledn\u00edch letech pro\u0161el p\u0159\u00edlivov\u00fd syst\u00e9m v\u00fdznamn\u00fdmi zm\u011bnami:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u00darove\u0148 kvality<\/th><th>Form\u00e1t<\/th><th>Pozn\u00e1mky<\/th><\/tr><tr><td>Norm\u00e1ln\u00ed<\/td><td>AAC<\/td><td>Ni\u017e\u0161\u00ed datov\u00e9 toky pro \u00fasporu dat<\/td><\/tr><tr><td>Vysok\u00e1<\/td><td>AAC<\/td><td>~320 kbps ekvivalent<\/td><\/tr><tr><td>Max\/HiFi<\/td><td>FLAC<\/td><td>Bezztr\u00e1tov\u00e9 16 bit\u016f\/44,1 kHz<\/td><\/tr><tr><td>Hi-Res<\/td><td>FLAC<\/td><td>A\u017e 24 bit\u016f\/192 kHz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>V letech 2023-2024 se spole\u010dnost Tidal v\u00fdrazn\u011b odvr\u00e1tila od MQA (kontroverzn\u00edho propriet\u00e1rn\u00edho form\u00e1tu) ve prosp\u011bch p\u0159\u00edm\u00e9ho form\u00e1tu FLAC pro sv\u00e9 skladby Masters. Tento krok se setkal s pochvalou audiofil\u016f, kte\u0159\u00ed d\u00e1vaj\u00ed p\u0159ednost otev\u0159en\u00fdm standard\u016fm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Qobuz\"><\/span>Qobuz<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Qobuz se zam\u011b\u0159uje na bezztr\u00e1tovou kvalitu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standardn\u00ed streamov\u00e1n\u00ed: FLAC p\u0159i 16 bitech\/44,1 kHz<\/li>\n\n\n\n<li>Hi-Res: Mnoho alb ve form\u00e1tu FLAC 24 bit\u016f\/48-192 kHz<\/li>\n\n\n\n<li>\u017d\u00e1dn\u00e9 propriet\u00e1rn\u00ed kodeky jako MQA<\/li>\n<\/ul>\n\n\n\n<p>Pokud v\u00e1m na bezztr\u00e1tovosti z\u00e1le\u017e\u00ed a chcete se zapojit do ekosyst\u00e9mu Hi-Res, stoj\u00ed Qobuz za zv\u00e1\u017een\u00ed. Jsou tak\u00e9 <a href=\"https:\/\/blog.lebara.co.uk\/cs\/8-different-ways-to-sell-a-mobile-phone\/\">prod\u00e1vat<\/a> ke sta\u017een\u00ed, co\u017e je vhodn\u00e9 pro budov\u00e1n\u00ed st\u00e1l\u00fdch knihoven.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Deezer\"><\/span>Deezer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Deezer nab\u00edz\u00ed stup\u0148ovit\u00fd p\u0159\u00edstup:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u00darove\u0148<\/th><th>Form\u00e1t<\/th><th>Kvalita<\/th><\/tr><tr><td>Zdarma<\/td><td>MP3<\/td><td>~128 kbps<\/td><\/tr><tr><td>Premium<\/td><td>MP3<\/td><td>A\u017e 320 kb\/s<\/td><\/tr><tr><td>HiFi<\/td><td>FLAC<\/td><td>Bezztr\u00e1tov\u00e9 16 bit\u016f\/44,1 kHz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Other_Services\"><\/span>Ostatn\u00ed slu\u017eby<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Amazon Music Unlimited HD<\/strong>: Nab\u00edz\u00ed bezztr\u00e1tovou kvalitu CD a Hi-Res a\u017e do 24 bit\u016f\/192 kHz.<\/li>\n\n\n\n<li><strong>Bandcamp<\/strong>: Ve v\u00fdchoz\u00edm nastaven\u00ed se streamuje ve form\u00e1tu MP3 128 kb\/s, ale p\u0159i n\u00e1kupu lze st\u00e1hnout i FLAC.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bluetooth_Wi-Fi_and_Headphones_Why_Lossless_Isnt_Always_What_You_Hear\"><\/span>Bluetooth, Wi-Fi a sluch\u00e1tka: Pro\u010d nen\u00ed bezztr\u00e1tov\u00e9 v\u017edy to, co sly\u0161\u00edte<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tady to za\u010d\u00edn\u00e1 b\u00fdt zaj\u00edmav\u00e9 - a mnoh\u00e9 streamovac\u00ed slu\u017eby v tom pon\u011bkud selh\u00e1vaj\u00ed. Nastaven\u00ed bezztr\u00e1tov\u00e9ho p\u0159ehr\u00e1v\u00e1n\u00ed v aplikaci nemus\u00ed b\u00fdt bezztr\u00e1tov\u00e9 pro va\u0161e u\u0161i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Bluetooth_Bottleneck\"><\/span>\u00dazk\u00e9 hrdlo Bluetooth<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Standardn\u00ed zvukov\u00e9 kodeky Bluetooth maj\u00ed zna\u010dn\u00e1 omezen\u00ed:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Kodek<\/th><th>Typick\u00fd datov\u00fd tok<\/th><th>Pozn\u00e1mky<\/th><\/tr><tr><td>SBC<\/td><td>~192-328 kbps<\/td><td>Univerz\u00e1ln\u00ed, nejni\u017e\u0161\u00ed kvalita<\/td><\/tr><tr><td>AAC<\/td><td>~250 kb\/s<\/td><td>Ekosyst\u00e9m Apple<\/td><\/tr><tr><td>aptX<\/td><td>~352 kbps<\/td><td>Zam\u011b\u0159en\u00ed na syst\u00e9m Android<\/td><\/tr><tr><td>aptX HD<\/td><td>~576 kb\/s<\/td><td>Lep\u0161\u00ed, ale st\u00e1le ztr\u00e1tov\u00e9<\/td><\/tr><tr><td>LDAC<\/td><td>A\u017e 990 kb\/s<\/td><td>Nejlep\u0161\u00ed mo\u017enost spole\u010dnosti Sony<\/td><\/tr><tr><td>LC3 (LE Audio)<\/td><td>Prom\u011bnn\u00e1<\/td><td>Nov\u00fd standard, efektivn\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>I ty nejlep\u0161\u00ed kodeky Bluetooth pou\u017e\u00edvaj\u00ed ztr\u00e1tovou kompresi. Kdy\u017e streamujete bezztr\u00e1tovou hudbu Apple Music 24 bit\u016f\/192 kHz (co\u017e vy\u017eaduje &gt;4 Mb\/s dat), iPhone ji p\u0159ed odesl\u00e1n\u00edm do AirPods zkomprimuje na AAC o rychlosti ~250 kb\/s.<\/p>\n\n\n\n<p><strong>Nemo\u017en\u00e1 pravda<\/strong>: Skute\u010dn\u011b bezztr\u00e1tov\u00fd p\u0159enos p\u0159es Bluetooth v sou\u010dasn\u00e9 technologii neexistuje. Kdo tvrd\u00ed opak, je bu\u010f zmaten\u00fd, nebo v\u00e1s uv\u00e1d\u00ed v omyl.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Wi-Fi_Speakers_Are_Different\"><\/span>Reproduktory Wi-Fi se li\u0161\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Zde m\u016f\u017ee bezztr\u00e1tov\u00fd zvuk skute\u010dn\u011b zaz\u00e1\u0159it. Syst\u00e9my jako nap\u0159:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sonos<\/li>\n\n\n\n<li>Za\u0159\u00edzen\u00ed AirPlay 2<\/li>\n\n\n\n<li>Chromecast Audio (RIP)<\/li>\n\n\n\n<li>Mnoho dom\u00e1c\u00edch audio streamer\u016f<\/li>\n<\/ul>\n\n\n\n<p>Ty mohou p\u0159ij\u00edmat pln\u011b bezeztr\u00e1tov\u00fd zvuk p\u0159es v\u00e1\u0161 domov. <a href=\"https:\/\/blog.lebara.co.uk\/cs\/how-to-find-out-what-network-youre-on\/\">s\u00ed\u0165<\/a>. Pokud m\u00e1te prostor pro specializovan\u00e9 dom\u00e1c\u00ed audio a kvalitn\u00ed reproduktory, za\u010d\u00edn\u00e1 m\u00edt investice do bezztr\u00e1tov\u00fdch vrstev smysl.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_%E2%80%9CWired%E2%80%9D_Headphone_Caveat\"><\/span>V\u00fdhrada ke kabelov\u00fdm sluch\u00e1tk\u016fm<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Dokonce ani n\u011bkter\u00e9 \u201cdr\u00e1tov\u00e9\u201d re\u017eimy sluch\u00e1tek ANC Bluetooth nejsou skute\u010dn\u011b analogov\u00e9. Mnoho sluch\u00e1tek:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Digitalizace p\u0159\u00edchoz\u00edch analogov\u00fdch sign\u00e1l\u016f<\/li>\n\n\n\n<li>Pou\u017eit\u00ed zpracov\u00e1n\u00ed DSP<\/li>\n\n\n\n<li>P\u0159evod zp\u011bt na analogov\u00e9 vys\u00edl\u00e1n\u00ed pro ovlada\u010de<\/li>\n<\/ul>\n\n\n\n<p>To znamen\u00e1, \u017ee ani p\u0159i p\u0159ipojen\u00ed kabelem nemus\u00edte sly\u0161et nezpracovan\u00fd bezeztr\u00e1tov\u00fd zvuk. <a href=\"https:\/\/blog.lebara.co.uk\/cs\/boosting-your-mobile-signal-tips-for-improving-reception\/\">sign\u00e1l<\/a>. Pokud je to pro v\u00e1s d\u016fle\u017eit\u00e9, zkontrolujte specifikace konkr\u00e9tn\u00edho modelu sluch\u00e1tek.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_This_Means_Practically\"><\/span>Co to znamen\u00e1 v praxi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Pokud poslouch\u00e1te prost\u0159ednictv\u00edm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AirPods\/Galaxy Buds\/typick\u00e1 sluch\u00e1tka Bluetooth<\/strong>: 256-320 kb\/s ztr\u00e1tov\u00fd je v\u0161e, co dostanete stejn\u011b<\/li>\n\n\n\n<li><strong>Reproduktory Bluetooth<\/strong>: Stejn\u00e9 omezen\u00ed<\/li>\n\n\n\n<li><strong>Kabelov\u00e1 sluch\u00e1tka do telefonu<\/strong>: Mo\u017en\u00e1 usly\u0161\u00edte rozd\u00edl, z\u00e1le\u017e\u00ed na p\u0159evodn\u00edku a sluch\u00e1tk\u00e1ch.<\/li>\n\n\n\n<li><strong>Syst\u00e9m Hi-Fi s kabelov\u00fdm p\u0159ipojen\u00edm<\/strong>: V tomto p\u0159\u00edpad\u011b je bezztr\u00e1tov\u00fd syst\u00e9m nejzaj\u00edmav\u011bj\u0161\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Ot\u00e1zka zn\u00ed: kolik lid\u00ed skute\u010dn\u011b poslouch\u00e1 v podm\u00ednk\u00e1ch, kde m\u00e1 bezztr\u00e1tov\u00fd zvuk v\u00fdznam? Podle m\u00e9ho n\u00e1zoru mnohem m\u00e9n\u011b, ne\u017e si mysl\u00ed, \u017ee to pot\u0159ebuj\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Practical_Recommendations_What_to_Use_and_When\"><\/span>Praktick\u00e1 doporu\u010den\u00ed: Co a kdy pou\u017e\u00edvat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Poj\u010fme na z\u00e1v\u011br uv\u00e9st konkr\u00e9tn\u00ed rady zalo\u017een\u00e9 na sc\u00e9n\u00e1\u0159i. Zde se dozv\u00edte, jak zvolit nastaven\u00ed podle toho, jak skute\u010dn\u011b poslouch\u00e1te.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mobile_Data_with_Limited_Allowance\"><\/span>Mobiln\u00ed data s omezen\u00fdm p\u0159\u00edd\u011blem<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Doporu\u010den\u00e9 nastaven\u00ed<\/strong>: 96-160 kb\/s<\/p>\n\n\n\n<p>P\u0159i rychlosti 96 kb\/s m\u016f\u017eete streamovat zhruba 23 hodin na jeden gigabajt. To je spousta hudby za minim\u00e1ln\u00ed objem dat.<\/p>\n\n\n\n<p><strong>Lep\u0161\u00ed strategie<\/strong>: Stahujte seznamy skladeb p\u0159es Wi-Fi ve vy\u0161\u0161\u00ed kvalit\u011b pro pou\u017eit\u00ed offline. V\u011bt\u0161ina aplikac\u00ed umo\u017e\u0148uje nastavit r\u016fzn\u00e9 \u00farovn\u011b kvality pro streamov\u00e1n\u00ed a stahov\u00e1n\u00ed. Vyu\u017eijte toho ve sv\u016fj prosp\u011bch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Home_Wi-Fi_with_Mainstream_Headphones_or_Bluetooth_Speakers\"><\/span>Dom\u00e1c\u00ed Wi-Fi s b\u011b\u017en\u00fdmi sluch\u00e1tky nebo reproduktory Bluetooth<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Doporu\u010den\u00e9 nastaven\u00ed<\/strong>: Vysok\u00e1\/velmi vysok\u00e1 (160-320 kb\/s)<\/p>\n\n\n\n<p>To je pro v\u011bt\u0161inu lid\u00ed nejvhodn\u011bj\u0161\u00ed. Z\u00edsk\u00e1te vynikaj\u00edc\u00ed kvalitu bez obrovsk\u00fdch n\u00e1rok\u016f na \u0161\u00ed\u0159ku p\u00e1sma jako u bezeztr\u00e1tov\u00e9ho form\u00e1tu.<\/p>\n\n\n\n<p>Nezapome\u0148te, \u017ee sluch\u00e1tka Bluetooth stejn\u011b v\u0161echno rekomprimuj\u00ed. Streamov\u00e1n\u00ed bezeztr\u00e1tov\u00fdch dat do AirPods je zbyte\u010dn\u00e9 - jen pl\u00fdtv\u00e1te \u0161\u00ed\u0159kou p\u00e1sma, zat\u00edmco kodek Bluetooth p\u0159ebyte\u010dn\u00e9 informace zahazuje.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hi-Fi_Systems_Good_Wired_Headphones_Quiet_Rooms\"><\/span>Syst\u00e9my Hi-Fi, dobr\u00e1 kabelov\u00e1 sluch\u00e1tka, tich\u00e9 m\u00edstnosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Doporu\u010den\u00e9 nastaven\u00ed<\/strong>: Bezztr\u00e1tov\u00fd (FLAC\/ALAC, minim\u00e1ln\u011b 16 bit\u016f\/44,1 kHz)<\/p>\n\n\n\n<p>Zde se kone\u010dn\u011b mohou projevit v\u00fdhody bezeztr\u00e1tov\u00e9ho form\u00e1tu. S rozli\u0161ovac\u00edm za\u0159\u00edzen\u00edm v kontrolovan\u00e9m poslechov\u00e9m prost\u0159ed\u00ed mohou b\u00fdt jemn\u00e9 rozd\u00edly sly\u0161iteln\u00e9.<\/p>\n\n\n\n<p>Vyplat\u00ed se Hi-Res (24 bit\u016f\/96+ kHz)? Debata pokra\u010duje. N\u011bkte\u0159\u00ed na n\u011bj p\u0159\u00edsahaj\u00ed, jin\u00ed ho ozna\u010duj\u00ed za nesmysln\u00fd marketing. M\u016fj n\u00e1zor: pokud m\u00e1te vybaven\u00ed a \u0161\u00ed\u0159ku p\u00e1sma, pro\u010d ne? Ale nemus\u00edte se c\u00edtit \u0161patn\u011b, pokud nesly\u0161\u00edte rozd\u00edl.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Collectors_and_Long-Term_Libraries\"><\/span>Sb\u011bratel\u00e9 a dlouhodob\u00e9 knihovny<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Doporu\u010den\u00fd p\u0159\u00edstup<\/strong>: Ripujte a ukl\u00e1dejte do FLAC\/ALAC, p\u0159ev\u00e1d\u011bjte podle pot\u0159eby<\/p>\n\n\n\n<p>Pokud kupujete nebo ripujete hudbu do st\u00e1l\u00e9 sb\u00edrky:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Uchov\u00e1vejte kopie v bezeztr\u00e1tov\u00e9m form\u00e1tu (kv\u016fli kompatibilit\u011b preferujte FLAC).<\/li>\n\n\n\n<li>Vytv\u00e1\u0159en\u00ed verz\u00ed MP3\/AAC\/OGG pro p\u0159enosn\u00e1 za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li>Nikdy nepracujte se ztr\u00e1tov\u00fdmi kopiemi - nem\u016f\u017eete je upravovat a znovu enk\u00f3dovat bez dal\u0161\u00ed ztr\u00e1ty kvality.<\/li>\n<\/ol>\n\n\n\n<p>Tento p\u0159\u00edstup v\u00e1m umo\u017en\u00ed p\u0159izp\u016fsobit se budouc\u00edm form\u00e1t\u016fm a za\u0159\u00edzen\u00edm, ani\u017e byste museli za\u010d\u00ednat znovu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Producers_Podcasters_and_Streamers\"><\/span>Producenti, podcaste\u0159i a streame\u0159i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Doporu\u010den\u00fd p\u0159\u00edstup<\/strong>: Z\u00e1znam p\u0159i minim\u00e1ln\u00edm rozli\u0161en\u00ed 24 bit\u016f\/48 kHz<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nahr\u00e1v\u00e1n\u00ed<\/strong>: WAV\/AIFF s frekvenc\u00ed 24 bit\u016f\/48 kHz nebo vy\u0161\u0161\u00ed<\/li>\n\n\n\n<li><strong>Mixov\u00e1n\u00ed a mastering<\/strong>: Pokra\u010dujte v pr\u00e1ci ve vysok\u00e9m rozli\u0161en\u00ed<\/li>\n\n\n\n<li><strong>Dod\u00e1vka<\/strong>: Export do vysoce kvalitn\u00edho form\u00e1tu AAC\/Opus pro streamov\u00e1n\u00ed nebo bezztr\u00e1tov\u00fd pro stahov\u00e1n\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Form\u00e1t doru\u010den\u00ed samoz\u0159ejm\u011b z\u00e1vis\u00ed na va\u0161\u00ed platform\u011b. Podcasty se obvykle distribuuj\u00ed ve form\u00e1tu MP3 nebo AAC. Hudba m\u016f\u017ee m\u00edt vy\u0161\u0161\u00ed kvalitu, pokud ji v\u00e1\u0161 distributor podporuje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Kl\u00ed\u010dov\u00e9 poznatky<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Po tom v\u0161em byste si m\u011bli zapamatovat n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>320 kb\/s ztr\u00e1tov\u00fd (AAC\/OGG) je transparentn\u00ed<\/strong> pro v\u011bt\u0161inu poslucha\u010d\u016f na v\u011bt\u0161in\u011b za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li><strong>Z\u00e1le\u017e\u00ed na bezztr\u00e1tovosti<\/strong> pro archivaci, editaci a \u0161pi\u010dkov\u00e9 kabelov\u00e9 p\u0159ehr\u00e1v\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Bluetooth je \u00fazk\u00e9 hrdlo<\/strong> kter\u00e1 neguje v\u00fdhody bezeztr\u00e1tov\u00e9 technologie<\/li>\n\n\n\n<li><strong>V\u00fdrazn\u011b se roz\u0161i\u0159uje vyu\u017eit\u00ed dat<\/strong> s kvalitou - od 1 GB\/m\u011bs\u00edc do 15+ GB\/m\u011bs\u00edc<\/li>\n\n\n\n<li><strong>Kvalita nahr\u00e1v\u00e1n\u00ed a masteringu<\/strong> z\u00e1le\u017e\u00ed v\u00edce ne\u017e na form\u00e1tu<\/li>\n\n\n\n<li><strong>Va\u0161e poslechov\u00e9 prost\u0159ed\u00ed<\/strong> z\u00e1le\u017e\u00ed v\u00edce ne\u017e na extr\u00e9mn\u00edch datov\u00fdch toc\u00edch<\/li>\n<\/ul>\n\n\n\n<p>Nedovolte, abyste se kv\u016fli obav\u00e1m z form\u00e1tu rozhodovali o v\u00fddaj\u00edch, kter\u00fdch budete litovat. Rozd\u00edl mezi Spotify Premium s 320 kb\/s a Tidal Max s bezztr\u00e1tov\u00fdm FLAC je skute\u010dn\u00fd, ale pro v\u011bt\u0161inu lid\u00ed ve v\u011bt\u0161in\u011b situac\u00ed tak\u00e9 nesly\u0161iteln\u00fd.<\/p>\n\n\n\n<p>Zam\u011b\u0159te se na kvalitn\u00ed nahr\u00e1vky, slu\u0161n\u00e9 vybaven\u00ed a nastaven\u00ed kvality odpov\u00eddaj\u00edc\u00ed va\u0161\u00ed situaci. Tato kombinace v\u00e1m p\u0159inese lep\u0161\u00ed z\u00e1\u017eitek z poslechu ne\u017e posedlost t\u00edm, zda pot\u0159ebujete 24 bit\u016f\/192 kHz pro streamov\u00e1n\u00ed p\u0159es reproduktor telefonu.<\/p>\n\n\n\n<p>Vyberte si form\u00e1t, kter\u00fd nejl\u00e9pe vyhovuje va\u0161im u\u0161\u00edm, nastaven\u00ed a datov\u00e9mu pl\u00e1nu. A nezapome\u0148te - nejlep\u0161\u00ed zvukov\u00fd form\u00e1t je ten, kter\u00fd v\u00e1m umo\u017en\u00ed vychutnat si hudbu bez p\u0159em\u00fd\u0161len\u00ed o zvukov\u00fdch form\u00e1tech.<\/p>\n\n\n\n<p><strong>Koment\u00e1\u0159 n\u00ed\u017ee<\/strong>: Jak\u00e9 nastaven\u00ed kvality pou\u017e\u00edv\u00e1te pro streamov\u00e1n\u00ed? Prov\u00e1d\u011bli jste vlastn\u00ed slep\u00e9 testy porovn\u00e1vaj\u00edc\u00ed ztr\u00e1tov\u00e9 a bezztr\u00e1tov\u00e9 soubory? J\u00e1 bych <a href=\"https:\/\/blog.lebara.co.uk\/cs\/the-best-apps-for-couples-in-a-long-distance-relationship\/\">l\u00e1ska<\/a> abyste se dozv\u011bd\u011bli o sv\u00fdch zku\u0161enostech a preferenc\u00edch.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you\u2019ve ever opened Spotify or Apple Music and wondered what \u201cVery High\u201d quality actually means\u2014or whether you\u2019re burning through your data plan for audio quality you can\u2019t even hear\u2014you\u2019re not alone. The world of music streaming formats can feel like alphabet soup: FLAC, OGG, AAC, MP3, kbps, bit depth, sample rate. It\u2019s enough to&#8230;<\/p>\n<div><a class=\"read-more button-link\" href=\"https:\/\/blog.lebara.co.uk\/cs\/guide-to-music-streaming-formats\/\">P\u0159e\u010dt\u011bte si v\u00edce<\/a><\/div>","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-3705","post","type-post","status-publish","format-standard","hentry","category-phones","clearfix",false],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/posts\/3705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/comments?post=3705"}],"version-history":[{"count":2,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/posts\/3705\/revisions"}],"predecessor-version":[{"id":3714,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/posts\/3705\/revisions\/3714"}],"wp:attachment":[{"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/media?parent=3705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/categories?post=3705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/tags?post=3705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}