{"id":2557,"date":"2022-07-23T16:49:31","date_gmt":"2022-07-23T16:49:31","guid":{"rendered":"http:\/\/mp4gain.com\/de\/audio-video\/?p=2557"},"modified":"2022-07-23T16:49:31","modified_gmt":"2022-07-23T16:49:31","slug":"sprechen-sie-uber-einige-grundlegende-unterschiede-zwischen-vbr-und-cbr-in-mp3-dateien-teil-2","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/de\/audio-video\/audio\/sprechen-sie-uber-einige-grundlegende-unterschiede-zwischen-vbr-und-cbr-in-mp3-dateien-teil-2\/","title":{"rendered":"Sprechen Sie \u00fcber einige grundlegende Unterschiede zwischen VBR und CBR in MP3-Dateien, Teil 2"},"content":{"rendered":"

Sprechen Sie \u00fcber einige grundlegende Unterschiede zwischen VBR und CBR in MP3-Dateien, Teil 2<\/h2>\n

\"CBR<\/p>\n

Das Erscheinen der VBR-Codierungstechnologie soll das Problem dieser Platzverschwendung l\u00f6sen.<\/p>\n

\"CBR<\/p>\n

Die VBR-Technologie w\u00e4hlt die am besten geeignete Bitrate f\u00fcr jeden Audioframe aus. Bei Audioframes mit einer niedrigeren Tonh\u00f6he ist die Bitrate niedriger und die Datengr\u00f6\u00dfe kleiner. Wenn die Tonh\u00f6he h\u00f6her ist, ist die Bitrate h\u00f6her. Die Gr\u00f6\u00dfe ist gr\u00f6\u00dfer. Auf diese Weise kann Speicherplatz der Audiodaten eingespart und die Gr\u00f6\u00dfe der mp3-Datei weiter komprimiert werden, ohne dass die Audioqualit\u00e4t verloren geht.<\/p>\n

Die obige Abbildung vergleicht kurz die Unterschiede im Dateninhalt zwischen CBR- und VBR-MP3-Dateien. Es ist ersichtlich, dass die Bitrate der VBR-codierten MP3-Datei aufgrund des Unterschieds im Dateninhalt zwischen Frames nicht unbedingt gleich ist. Im Allgemeinen komprimiert und codiert die VBR-Technologie im Bereich von 8 bis 320 kbps, sodass die Bitrate der gesamten Datei h\u00f6her ist als die der gesamten Datei.Konstante CBR-Codierung, die VBR-Codierung hat daher eine Bitrate mit variabler Bitrate in der gesamten Datei den Namen VBR (Variable Bitrate).<\/p>\n

Zus\u00e4tzlich zu den beiden Codierungen CBR und VBR gibt es auch eine Codierung vom Typ ABR (Average Bit Rate, Average Bit Rate), die im Grunde mit CBR identisch ist, die meisten Audioframes werden jedoch mit der angegebenen Bitrate codiert Der Inhalt ist mit einer h\u00f6heren Bitrate als angegeben codiert, aber normalerweise ist dieser Inhalt kurz, sodass es im Vergleich zu CBR keinen gro\u00dfen Unterschied in der Dateigr\u00f6\u00dfe gibt, sodass dieser Typ nicht \u00fcblich ist.<\/p>\n

Nachteile der VBR-Technologie gegen\u00fcber der CBR-Technologie
\nDie Verwendung der VBR-Technologie zum Codieren und Komprimieren von MP3-Dateien kann sicherlich die Dateigr\u00f6\u00dfe optimieren, bringt aber gleichzeitig auch einige neue Probleme beim Erfassen von Audioinformationen und beim \u00dcberwachen des Wiedergabefortschritts mit sich.<\/p>\n

Die erste ist die Berechnung der Dauer des Audios. Wenn es sich um eine CBR-Codierung handelt, ist die Datengr\u00f6\u00dfe aller Audioframes fest, da die Bitrate konstant ist, sodass die Datengr\u00f6\u00dfe, die zum Decodieren f\u00fcr jede Sekunde der Wiedergabe ben\u00f6tigt wird, gleich ist, sodass es sehr einfach ist, die Audiozeitl\u00e4nge zu berechnen . Verwenden Sie einfach die folgende Formel:<\/p>\n

timelength ( s ) = (gesamte Dateil\u00e4nge (Byte) – gesamte ID3-Feldgr\u00f6\u00dfe (falls vorhanden)) * 8 \/ (Bitrate (kbps) * 1000 )
\nIn der Formel bezieht sich das id3-Feld auf das grundlegende Informationsfeld, das am Anfang oder Ende der MP3-Datei platziert wird und im Allgemeinen verwendet wird, um den Namen der Audiodatei, den Namen des S\u00e4ngers und den Namen des Albums aufzuzeichnen. Die id3 ist in zwei Versionen unterteilt, v1 und v2, und v1 registriert nur. Die oben genannten drei Arten von Informationen, und die Gr\u00f6\u00dfe ist festgelegt, werden normalerweise am Ende der Datei platziert; v2 ist flexibler als v1, die Art der aufgezeichneten Informationen ist nicht auf die oben genannten drei beschr\u00e4nkt und die Gr\u00f6\u00dfe ist nicht festgelegt, sie wird normalerweise am Anfang der Datei platziert. Das id3-Feld ist ein optionales Feld und die mp3-Datei hat es nicht unbedingt. Um also die Audiozeit der mp3 zu berechnen, m\u00fcssen Sie es zuerst lesen, um zu sehen, ob die id3 existiert.<\/p>\n","protected":false},"excerpt":{"rendered":"

Sprechen Sie \u00fcber einige grundlegende Unterschiede zwischen VBR und CBR in MP3-Dateien, Teil 2 Das Erscheinen der VBR-Codierungstechnologie soll das Problem dieser Platzverschwendung l\u00f6sen. Die VBR-Technologie w\u00e4hlt die am besten geeignete Bitrate f\u00fcr jeden Audioframe aus. Bei Audioframes mit einer niedrigeren Tonh\u00f6he ist die Bitrate niedriger und die Datengr\u00f6\u00dfe kleiner. Wenn die Tonh\u00f6he h\u00f6her ist, … Continue reading “Sprechen Sie \u00fcber einige grundlegende Unterschiede zwischen VBR und CBR in MP3-Dateien, Teil 2”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[39756,39761,39758,39763,5141,39757,39762,39862,39760,39759,39755,39775,39778,39779,26427,39774,39773,39776,28052,39777,39772,39990,39730,39792,5145,16141,5140,16252,16237,16238,39789,39791,39790,39823,39828,39807,39806,39804,39811,39810,39808,39809,39805,39825,39827,39830,39821,39829,39822,39824,39843,39850,39845,39826,39844,39849,39848,39846,39841,39847,39842,39867,39869,39860,39864,39866,39861,39868,39865,39888,39887,39883,39880,39884,39885,39881,39886,39889,39882,39902,39900,39904,26468,39903,39901,39918,39914,39924,39921,39922,39917,39913,39925,39920,39919,39923,39940,39938,39945,39937,39943,39941,39936,39942,39939,39944,39957,39965,39958,39959,39960,39961,39962,39963,39956,39964,39973,39979,39975,39978,39974,39972,39977,39980,20271,39976,39915,39998,39996,39993,39992,39997,39995,39994,39991,39803,20020,39837,39744,39817,36214,16196,39747,39751,39752,39754,39745,39750,39739,39859,39746,39749,39893,39769,39764,39785,39742,39768,39765,39766,39770,39771,39767,39781,39782,39780,39783,39786,39784,39949,39793,39794,39737,39831,39839,39840,39748,39838,39836,39854,39851,39857,39853,39858,39855,39856,39852,39874,39871,39872,39873,39870,39879,39875,39896,39894,39890,39899,39897,39892,39898,39895,39891,39912,39910,39909,39908,39930,39928,39929,39931,39934,39926,39787,39927,39876,39877,39878,39933,39951,39947,39953,39950,39952,39967,39971,39969,39932,39968,39970,39743,39740,39966,39987,39982,39984,39988,39985,39989,39983,39986,39981,39788,39946,39955,39954,39948,39738,39736,39753,39916,39820,26429,26419,39835,39832,39795,39800,39797,39798,39802,39796,39801,39819,39799,39814,39815,39816,39818,39812,39833,39813,39834,39863,39731,39911,39741,39727,39732,39935,39734,39733,39729,39728,39735,26447,39905,39906,39907],"class_list":["post-2557","post","type-post","status-publish","format-standard","hentry","category-audio","tag-aac-vbr","tag-aac-vbr-ffmpeg","tag-abr-cbr-vbr","tag-abr-cbr-vbr-crf","tag-abr-vs-vbr","tag-acer-vrb","tag-akronym-vbr","tag-allgemeiner-modifikator-vbr-in-sap","tag-audio-cbr-vs-vbr","tag-audio-vbr","tag-avuv-vs-vbr","tag-bandish-1996-mp3-vbr-320kbps","tag-bengali-vbr-mp3","tag-beste-vbr-einstellungen-fur-obs","tag-beste-vbr-bitrate","tag-bhishma-1996-mp3-vbr-320kbps","tag-bit-rate-cbr-vs-vbr","tag-bitrate-control-cbr-or-vbr","tag-bitrate-vbr","tag-blogspots-like-vbr-mp3-collection","tag-bollywood-vbr-mp3","tag-br-net-login","tag-bridger","tag-cbr-abr-vbr-crf","tag-cbr-oder-vbr-fur-youtube","tag-cbr-vbr-abr","tag-cbr-vs-vbr","tag-cbr-vs-vbr-premiere","tag-cbr-vs-vbr-streaming","tag-cbr-vs-vbr-uberwachungskamera","tag-cbr-vs-vbr-vid-eo","tag-cbr-vs-vbr-mp3","tag-cbr-vs-vbr-was-am-besten-ist","tag-codierung-von-vbr-oder-cbr","tag-codierungsmodus-cbr-vs-vbr","tag-dahua-cbr-vs-vbr","tag-dalaal-1993-mp3-vbr-320kbps","tag-deewane-2000-mp3-vbr-320-kbps","tag-demarini-voodoo-vbr-17","tag-dil-hai-betaab-1993-mp3-vbr-320kbps","tag-dil-hai-tumhaara-2002-mp3-vbr-320kbps","tag-dil-se-1998-mp3-vbr-320kbps","tag-dilwale-1994-mp3-vbr-320-kbps","tag-eac-lame-vbr-einstellungen","tag-ecr-vs-vbr","tag-encoder-vbr","tag-etf-vbr","tag-etfdb-vbr","tag-excel-vba","tag-exfat-vbr","tag-fantasypros-vbr","tag-fat-vbr","tag-fat32-vbr","tag-fehler-ungultige-vbr-prufsumme","tag-ffmpeg-aac-vbr","tag-ffmpeg-convert-vbr-to-cbr","tag-ffmpeg-libopus-vbr","tag-ffmpeg-mp3-vbr","tag-ffmpeg-vbr","tag-flac-vbr","tag-free-vbr-mp3-collection","tag-gaddaar-1995-mp3-vbr-320kbps","tag-gair-1999-mp3-vbr-320kbps","tag-gbb-vbr-in-sap","tag-gbb-vbr-obyc","tag-get-vbr","tag-greg-schwarz-vbr-rechtsanwalte","tag-gst04-2m-vbr-071c32","tag-gta-v-vbr","tag-h264-vbr","tag-hero-no-1-1997-mp3-vbr-320kbps","tag-hindi-film-songs-320kbps-vbr","tag-hindi-mp3-320kbps-vbr","tag-hindi-vbr-mp3-download","tag-hindi-vbr-mp3-songs","tag-honda-cbr","tag-honda-cbr-auto","tag-honda-cbr-preis-in-pakistan","tag-humse-hai-muqabla-1995-mp3-vbr-320kbps","tag-ijr-vs-vbr","tag-ijs-vs-vbr","tag-instagram-s-vbr","tag-ist-cbr-besser-als-vbr","tag-ist-vbr-2-pass-wert","tag-ist-vbr-eine-gute-investition","tag-jaan-tere-naam-1992-mp3-vbr-320kbps","tag-jaan-vbr-mp3","tag-jaanwar-1999-mp3-vbr-320kbps","tag-jab-we-met-2007-mp3-vbr-320kbps","tag-jeena-sirf-mere-liye-vbr","tag-jeet-1996-mp3-320kbps-vbr","tag-jeet-vbr-mp3","tag-jigar-1992-mp3-vbr-320kbps","tag-jual-rumah-vbr-3","tag-junoon-1992-mp3-vbr-320kbps","tag-jurm-1990-mp3-vbr-320kbps","tag-kabhi-khushi-kabhie-gham-2001-mp3-vbr-320kbps","tag-kachche-dhaage-320-kbps-vbr","tag-kaho-naa-pyaar-hai-vbr","tag-karan-arjun-1995-mp3-vbr-320-kbps","tag-kaso-oder-2002-mp3-vbr-320kbps","tag-kbps-vbr","tag-koyla-1997-mp3-vbr-320-kbps","tag-kuch-kuch-hota-hai-vbr","tag-kumar-sanu-vbr-mp3","tag-kurukshetra-2000-mp3-vbr-320kbps","tag-laadla-1994-mp3-vbr-320kbps","tag-lahme-vbr-vs-cbr","tag-lame-vbr","tag-lenze-gst04-2m-vbr-063c42","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