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MPEG4 vs MP4, MPEG4 thiab MP4 sib txawv

MPEG-4 thiab MP4 yog lub ntsiab lus uas ob tug uas muaj ntau expeced kom totaub txog cov lus, tsis yog tias lawv txawv yog ib tsab ntawv, tiam sis kuj vim lub Disease fact uas lawv siv npaum li cas intermingled nyob rau hauv cov ntaub ntawv tawm tsos thiab suab paj nruag. Tseem ceeb sib txawv MPEG4 thiab MP4 yog lawv muaj nuj nqi. MPEG4 yog tus yees duab encoding txujci algorithm uas yog nyiaj thiab lub sij lub compression ntawm lub thiab siv qhov muag saib cov ntaub ntawv (AV). Uas yog ua tau li cas cov dluab compressed thiab txia mus ua ntaub ntawv. MPEG-4 yuav siv rau ntawm cov AV ntawv Web site, streaming tawm, tis CD, poob mus rau cov kev siv lub suab TV tshaj tawm hauv xov compression. MP4 no yog ib tug tawm thawv uas tsim los tuav cov ntaub ntawv uas yog encoded los ntawm ib tug MPEG4. Qhov no txhais tau tias nws yuav siv tau los cia lub thiab/los yog video subtitles, chapters, thiab ntau yam.

Tshooj 1: MPEG4 vs MP4, MPEG4 thiab MP4 sib txawv

Cov ntaub ntawv Extension MPEG-4 MP4 (MPEG-4 Tshooj 14)
Tsim tawm MPEG-4 yog tsim los ntawm Avenues duab ua hauj lwm pab pawg neeg (M.P.E.G), ua hauj lwm nyob rau hauv cov kev taw qhia rau ob leeg lub International Standards Organization (ISO) thiab cov International Electro-Technical Commission (IEC). Pab pawg no ua haujlwm rau tus qauv kawm rau cov coding ntawm Avenues duab thiab cov suab kab. MP4 daim ntawv tsim tau los ntawm cov International Standardization Organization (ISO) mus zoo rau yuav luag txhua yam neeg uas ua ntawv tawm thiab ntaus ntawv. Vim MP4 yog tsim rau MPEG4 encoded tawm, nws kuj muaj nyob hauv lub MPEG-4 specification 14 ib feem ntawm nws MP4 tsis yog lub thawv tib hom ntawv hauv MPEG-4 tiam sis nws yog ib tug derivative ntawm ntau xwb specification MPEG-4 qhov 12 rau storing MPEG-4 cov ntaub ntawv.
Keeb kwm Cov ntaub ntawv cov zaj duab xis muaj tsis-compressed loj loj npaum li cas loj yog cov computers txawm tias twb tsis tau khiav nws. Ces tus manufacturers pib xyuas seb tej yam khiav ntawd video khoom rau cov tawm rau txuag chaw thiab kom tus streaming hauv internet tau thiab ua tsis tau, ces kawg tso. Vim li no ib co manufacturers tsim software uas tso cai rau qhov lawv hlob zaj duab xis kom lub computer yuav them taus lub lag luam. Muaj ntau txoj kev ces siv mus rau ntawm compression algorithm, tab sis MPEG-4 yog lug siv lawm hnub. MPEG-4 muaj tib lub algorithm ntawm compression tus MPEG-1 thiab MPEG 2 tab sis txhab txhawb yees duab/suab "" khoom"", tsawg kawg ntsis-tus nqi encoding thiab 3D ntsiab lus, phau ntawv thiab ib co lwm tawm yam. MP4 tej ntaub ntawv ntawd ua ntej tshaj ntaub hauv xyoo 2001 ua tus txheem ISO/IEC 14496-1:2001, tiam sis ob peb xyoos rov qab, nws twb tau tshiab thiab kab y = x. txheem ISO/IEC 14496-14:2003. Ob lub MP4 thiab MOV tawm tswv yim ua siv cov huab MPEG-4 hom ntawv zoo sib xws yog li ntawd, lawv conveniently ua hauj lwm hauv cheeb tsam QuickTime. Tab sis MP4 tseem nrov as compared to cov MOV vim yuav tau ua los ntawm ntau yam nrog rau cov kua MACs lub platforms.
Tej chaw MPEG-4 opens pem tej zaum tus rau ntau exciting hauj uas yav tom ntej. Cov MPEG pab piav MPEG-4 li ib cov platform uas multimedia, tsim los muab animation, ntawv nyeem, thiab yees duab ua ke rau ib hom. Tus kwv oriented xwm ntawm cov hom ntawv lends xwb zoo rau cov neeg siv kev sis raug zoo. Qhov tseem nrov thiab hom encoded formate yog MP4 los yog MPEG-4 Tshooj 14. Thaum koj saib ib tug yees duab rau ntawm qhov Web site los yog koj txawb lub xov tooj, tus yuav muaj tseeb uas zoo zoo nkauj yog koj siv cov MP4 video hom thiab cov H.264 codec. Muaj ntau ntau txoj hau kev thaum nws los txog rau video tawm tswv yim. Tiam sis, MP4 yog tus de sab saum toj rau ob leeg; Web thiab qhov mobile. Raws li daim ntawv ntsuam xyuas, 69% ntawm cov tub txawg video siv MP4 xwm yeem web thiab 58% siv nws rau hloov tau chaw. Ntxiv thiab, mp4 yeilds zoo tshwm sim loj me ntsis uas cov lug siv rau cov ntaub ntawv tau streaming thiab Internet rippers nyiam torrents.
Cov ntaub ntawv ntws Cov ntaub ntawv tau streaming yog cov hloov mus rau lwm cov ntaub ntawv ntawm ib tus nqi high-speed khov kho. MPEG-4 qho tsis muaj tawm thawv (suab/vedio), nws yog encoding xwb txujci algorithm uas tau ua ntaub ntawv encoded rau ntau hom. MP4 yog tshaj tej lug encripted formate MPEG-4. Feem ntau ntawm cov ntaub ntawv xaiv nyob rau hauv mp4 thiab m4v yog tsim los ntawm lwm yam ntws tej streaming yam ntawm cov ntaub ntawv uas feem ntau yog sau nyias rau ib hint khiav. Rau ntau tus neeg codec rau cov cov ntaub ntawv tawm tswv yim no luam tawm rau hauv MP4 zwm cai website. Ntawm qhov codec lug siv thiab txhawb kev zoo ntxiv cov kwj, ob peb tug no: - Video: MPEG-4 feem 10 thiab MPEG 4 Part 2 - suab: Advanced suab Coding, nrog rau MPEG-4 Part 3 lub khoom xws li lub Lossless Coding Scalable Lossless Coding - Subtitle: Timed MPEG-4 phau ntawv. Muaj tseem DVD yeeb yaj duab uas subtitles siv nyob hauv ntaub ntawv MP4.
Metadata MPEG-4 tsim ntau hom ntaub ntawv meta thaum decodind tawm e.g tus sau ua ntaub ntawv thov, software siv nyob rau hauv nws cov creation, thiab lub sij hawm thiab hnub uas nws tau tsim. Meta-cov ntaub ntawv kuj structured tau hom XMP.
MP4 ntaub ntawv yuav muaj meta-cov ntaub ntawv raws li sau tseg los ntawm tus txheej txheem hom, thiab tsis tas li, tej zaum yuav muaj Extensible Meta-ntawv Platform (XMP).
Muaj ntau ntau yam lus qhia uas tau muab rau metadata mp4 daim ntawv
• Yees duab ntas
• Kuaj lub
• Interleaving AV ntaub ntawv
• Cov ntaub ntawv captioning
• Hmong Translation Tshooj index
• Title
• Daim ntawv loj loj
• Cov neeg siv cov ntaub ntawv
• Ntau yam cuab metadata: codec, timescale, version, tus nqi playback dua, ntim dua playback, ntsia ntev, thiab lwm yam.
Pros • MPEG-4 yog ib txuj, tam sim no nyob rau hauv kev loj hlob rau hauv tus me nyuam cov kev sib tham sib multimedia nyob tes hauj lwm
• Nws yog ntau tshaj ib zaug xwb codec thiab suav specifications suab, yees duab thiab interactivity
• Cov video tivthaiv MPEG-4 yog zoo heev los H.263
• Nws yog optimized rau siv yees duab ntawm cov nqi ntaub ntawv hauv Internet
• Ib teg yees duab MPEG-4 muaj nyob rau hauv Microsoft lub NetShow
Muaj tej yam kev pab uas siv ntaub ntawv MP4 yog:
• Yooj yim mus use thiab dav ntau yam tawm players puas muaj cov uas yeej txaus siab rau MP4 codec
• Tsis muaj kev tiv thaiv copyright, Internet rippers li torrents siv hom ntawv no
• Siv tau yooj yim mus rau lwm yam tawm tswv yim xws li MKV, FLV AVI
MP4 • ntaub ntawv qhia zoo video qualities tsuas loj uas tseg tau cov ntaub ntawv chaw nyob cia ntaus ntawv
• MP4 yog tus zoo tshaj yus tau streaming vim nws qhia tau zoo tshaj rau Identify video cov ntaub ntawv nyob internet
• Ntaub ntawv MP4 yuav tsum khiav zoo rau tag nrho cov players loj tawm thiab suab daim ntawv tsav tsheb
• Cais hint khiav yog siv los encode tau streaming lus
• Yuav muab cov ntaub ntawv yam uas tsis yog yees duab thiab cov suab paj nruas descriptors, scene descriptors thiab lwm kwv oriented ntaub ntawv lug ntxiv rau MPEG nta
Cons Yog MPEG-4 ua ntaub ntawv thov qhov tsis txhawb tus nta MP4 ntaub ntawv li nram no:
• Sab nraud lem
• Movie tawg tsam ('moof' los sis 'mfra' thawv) thiab 'moof' yog txaus siab rau qhov rais 8.
• Streamed lus
• Yog MPEG-4 ua ntaub ntawv thov qhov twj ywm ignores hint lem
• Mus nrhiav kev los ntawm SMPTE lub sijhawm chaws
Atoms • compressed ('cmov').
• Cov disadvantage ntawm MP4 ntaub ntawv hom ntawv xwb yog editing thiab yeeb yam uas ua pom vim MP4 ntaub ntawv yeej tsis yooj yim yuav hloov los yog kho.
Siv MPEG-4 yog tsim los siv tawm, sib tham sib thiab conversational tej kev kawm. Qhov uas MPEG-4 yog ua tau, pub rau nws uas yuav siv hauv TV thiab Web npuas, tsis yog ib yam periodic tab sis kuj tswj xws li cov ntsiab lus tau los ntawm ob leeg raws nyob rau hauv tib multimedia scene. Nws cov ntsiab lus kuab yog pub ntawm zoo MPEG-1 thiab-2 qauv (tawm-qib synchronisation thiab xaiv cov on-line/off-line pab) and VRML (muaj peev xwm tsim tau cov ntsiab lus uas siv ib nqe lus piav scene). Cov piv los ntawm MP4 video zoo thiab cov loj (compression piv txog) MP4 ua heev tshaj cov ntaub ntawv rau multimedia. Ntau mobile platforms, computers, thiab handheld li siv hom ntawv tej ntaub ntawv MP4 ua lawv hom ntawv vim cov ntaub ntawv. Ntse tes, iPads thiab ntsiav tshuaj ua kom dav siv hom ntawv tej ntaub ntawv MP4 thiaj li yuav ua ntaub ntawv lub thiab video. Cov neeg uas xav ncaj thiab tsis pub hassle nyeem ntawv thiab sau ntawv ntawm cov ntaub ntawv video, yuav nco ntsoov siv mp4 preffer. Tus txheem hom ntawv video, hom ntawv tej ntaub ntawv MP4 yog siv yuav luag zaws.
Lwm yam kev mus 1. keeb kwm ntawm Mpeg
2. MPEG4 vs MP4: dab tsi yog qhov txawv ntawm MP4 thiab MPEG4?
1. MP4 Wiki: MP4, keeb kwm, nta thiab pab ntawm MP4 tus
2. hom ntawv tej ntaub ntawv MP4

Qhov 2: Li cas mus download tau thiab ua si MP4 thiab MPEG4?

MP4 thiab MPEG4 yog ob tug siv tawm tswv yim mus yees duab mus uas tseem zoo tau tsum. Ob cov ntaub ntawv tawm tswv yim no muaj nkag rau dawb ces tawm hauv internet tab sis koj yuav tsum tau tej hom software lwm pob mus download tau lawv. Li ntawd, yog koj tab tom nrhiav rau pem hauv ntej lub zoo software pob uas yuav pab tau koj nyob rau hauv tej lub scenario, ces Wondershare AllMyTube yog cov tshuaj zoo rau koj!

wondershare AllMyTube
  • Download tau unlimited YouTube yeeb yaj duab.
  • • YouTube rau MP3 downloader.
  • • Txhawb cov ntaub ntawv hom conversion mus tshaj 150 yam ntaub ntawv.
  • • Siv tau rau kev ntaus ntawv.
  • • Download tau thiab ua si yeeb yaj duab ceev nrooj.

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Yuav ua li cas mus download tau MP4 thiab MPEG4 siv Wondershare AllMyTube?

Yog hais tias koj yuav tsis tau zoo tom ntej mus daus MP4 thiab MPEG4 video ntaub ntawv siv Wondershare AllMyTube, ces thov ua raws li cov kauj ruam hauv qab no:

Kauj ruam 1 􀂃 cia li nruab thiab khiav Wondershare AllMyTube

Wondershare AllMyTube yog muaj nyob rau hauv ob lub mus sib raws li them version. Download tau thiab nruab ib lub software koj lub computer. Thaum ntsia, ob npaug nyem qhov icon shortcut tso cov software.

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Kauj ruam 2 Pom koj MP4 lossis MPEG4 ntaub ntawv mus download tau

Tom qab launching lub Wondershare AllMyTube software pob, cov kauj ruam tom ntej yog mus pib nrhiav qhov MP4 los sis MPEG4 tej ntaub ntawv uas koj xav mus download tau. Koj siv tau cov internet browser nrhiav koj nyiam cov yeeb yaj duab. Muaj ntau ntau cov websites li YouTube, Dailymotion thiab lwm yam los ntawm qhov chaw uas koj tau tus zoo zoo MP4 thiab MPEG4 ntaub ntawv.

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Kauj ruam 3 Download tau lub yeeb yaj duab

Thaum koj tau xaiv cov yees duab uas koj xav mus download tau, cov kauj ruam tom ntej yog yuav pib ces kev ua tau. Koj mus muab tau cov yeeb yaj duab ua ob yam:

Li 1: Yog txhaj rau tus "Download tau" khawm nyob ze thaj tsam video: thaum koj ua si yeeb yaj duab ntawm nrov video websites li YouTube, koj yuav saib tau ib lub pob "Ces" rau saum cov yees duab uas yog yog muab los ntawm Wondershare AllMyTube. Txhaj rau no khawm yuav pib ces txoj hauv AllMyTube tam sim ntawd.

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(Optional) Ntawm qhov dropdown tshuab raj, koj yuav xaiv tau qhov zoo tshaj / daws cov yees duab ib koj txoj kev thov. Los yog koj yuav download tau tus yees duab nrog lub neej ntawd rooj.

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Tshaj 2: Siv cov "Muab tshuaj URL" khawm: yog hais tias koj yuav tsis pom lub pob "Ces" rau saum cov yees duab koj xav mus download tau, koj yuav siv qhov "Muab tshuaj URL" khawm ntawm tus Wondershare AllMyTube. Yog luam qhov URL ntawm tus yees duab koj xav mus download tau thiab paste rau hauv lub software interface thiab pib daus cov yees duab.

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Kauj ruam 4 (Optional) Hloov cov yees duab Downloaded

Thaum twg koj muaj tag ces txoj, downloaded ntawv no muaj nyob rau hauv seem "Finished" los ntawm qhov chaw uas koj yuav siv tau cov yees duab ua lwm hom ntawv sib txawv koj xav. Piv txwv li, koj download tau tus yees duab MP4 thiab koj yuav xaiv los hloov tus yees duab MP4 yuav MPEG4 los txhaj khawm "Siv", thiab xaiv cov hom ntawv ua "MPEG4".

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Kauj ruam 5 Ua si ntawv MPEG4 downloaded

Thaum koj ua tiav cov txheej txheem converted, converted ntawv no muaj nyob rau sab lus "Converted" los ntawm kev uas koj yuav ua koj cov ntaub ntawv los sis ua tau rau ntau yam haujlwm rau nws.


download mp4

download mp4

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