MPG → MPEG

Sinthani Yanu MPG ku MPEG mafayilo mosavuta

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Kukweza

Momwe mungasinthire MPG ku MPEG

Gawo 1: Kwezani yanu MPG mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa MPEG mafayilo

MPG ku MPEG Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji MPG kupita ku MPEG popanda kubwezeretsa kanema wa kanema?

Ngati ma kontena a MPG ndi MPEG angagwiritse ntchito codec yomweyo (H.264, H.265, VP9, AV1), wosintha amabwerera ku remuxer: ma streams oyamba amakopedwa ndi byte-by-byte ku MPEG kontena ndipo amasintha kokha. Remux ya 1 GB MPG ku MPEG nthawi zambiri imatha m'masekondi a 5-15 ndi kuwonongeka kwabwino. Zina mwa zinthuzi ndi MPEG-1 kapena MPEG-2 kanema ndi MP2 audio; muxing ndi GOP chilengedwe ndi ofanana ndi.mpeg fayilo. Video ndi MPEG-1 kapena MPEG-2 ndi MP2 kapena AC-3 Audio, multiplexed mu mtsinje wopangidwa kuti ayambe kusinthidwa ndi fixed-function hardware.

Kodi MPG ingasinthidwe ku MPEG popanda kubwezeretsa kanema?

Ndikugwirizana ndi ma DVD a 4K, ndipo ndi njira yofulumira. MPG ndi MPEG amagawana bokosi lofanana lokhala ndi bokosi, kotero mavidiyo ndi ma audio streams amakopedwa m'ma byte-by-byte ndipo ma container wrapper okha amalembanso. Sichidzatha kusinthidwa ndipo sichidzasinthidwa, kotero fayilo ya feature-length imatha m'maola angapo m'malo mwa maola awiri, ndi mtundu wa output womwe uli ndi mtundu wofanana ndi wopanga. MPG ndi chimodzimodzi MPEG pulogalamu mtsinje monga.mpeg - atatu-alemba kuwonjezeka ndi DOS-era kugwa, si mtundu wina. MPEG pano kumatanthauza MPEG-1 kapena MPEG-2 pulogalamu mtsinje, mtundu standardized kwa Video CD ndi kenako kwa DVD ndi kufalitsa TV.

Kodi pali chinthu chosintha pakati pa mafomu awiri oyambirira monga MPG ndi MPEG?

Ngati chinthu chokhacho cha zida chikufunikira kukwaniritsa zolingazo. Mafomu awiriwa amachokera kunthawi yomweyo ya H.264, kotero palibe kusintha komwe kumagula chitetezo, kudalirika kapena kutsimikizika kwatsogolo - kumagula kugwirizana ndi chipangizo chimodzi chokha. Ngati cholinga ndicho kuteteza zithunzi zogwiritsa ntchito nthawi yayitali, kusintha kwa kontena latsopano, osati kumbuyo. MPG amalandira zonse MPEG-2 kuletsa - heavy bitrate, interlacing, palibe soft subtitle - kuphatikizapo kusokonezeka kwa awiri zowonjezera kwa mtundu wina. MPEG-2 amafuna pafupifupi 4 mpaka 6 nthawi ya bitrate ya H.264 kwa chithunzi chimodzi, ndipo zinthu zake nthawi zambiri zimaphatikizidwa, zomwe zimawoneka zosapanga dzimbiri pazowonera zamakono.

Kodi ma audio ambiri adzapulumuka kusinthidwa kwa MPG kupita ku MPEG?

Ndikoyenera - zonse zolemba za audio mu MPG (kuwunika kwa woyang'anira, mabungwe osiyanasiyana, mawu ofotokoza) amasungidwa mu MPEG pamene chikwama chofunikira chimathandizira ma audio ambiri. MKV ndi MOV amayendetsa ma audio osatha; MP4 amathandizira ambiri koma ena osewera a hardware amawona kokha track 1; WebM imatha pa Opus / Vorbis track.

Kodi ma subtitle amasunga zosunga pamene MPG amasinthidwa kuti MPEG?

Ma subtitle olimba (ma tracks osankhika) amapulumuka pamene MPEG angawagwiritse ntchito: MKV amagwiritsa ntchito SRT, ASS, SSA, PGS, VobSub mwachilengedwe; MP4 amagwiritsa ntchito mov_text (format yosasinthasintha). Kusintha MKV ndi subs a ASS ku MP4 kumawawononga kuti akhale mov_text kapena kuwalemba. Hardsubs (olembana mu kanema) amagwiritsa ntchito ngakhale.

Kodi MPG mpaka MPEG amasunga masamba olemba / kuyendera kwa DVD?

Metadata ya bokosi limasintha pakati pa MPG ndi MPEG pamenepo onse awiri amapereka bokosi la atomu (MKV, MP4, MOV). WebM imasunga bokosi m'ma block ogwirizana ndi Matroska, choncho MKV <-> WebM bokosi limayenda molimba. AVI sichimakhala ndi bokosi la spec, choncho kusintha kwa AVI ku MPEG kumabweretsa fayilo yosasinthika ngati simuwonjezera ma markers m'manja.

Kodi ndi chiyani za MKV zowonjezera (fonti, kusindikiza) pamene mukupita MPG ku MPEG?

MKV ndi yokha mainstream yokhala ndi ma fayilo ophatikizidwa (TTF fonts for ASS subs, JPG cover art, fan-translated PDF inserts). Kuchokera ku MPG kupita ku MPEG kumachotsa ma attachments pamene MPEG si MKV - ma streams elementary amasinthidwa, koma payload ophatikizidwa amakhala m'malo ochokera. Tengani MPG ngati chitetezo ngati mumatengera ma fonts ophatikizidwa.

Kodi codec yomwe MPEG imagwiritsa ntchito ndi yosasinthika?

Kodiyi ya default imasankhidwa kuti igwirizane ndi MPEG yokhala ndi katundu: MKV imasinthidwa kukhala H.265 (HEVC) kuti ikhale yolimba kwambiri; MP4 imasinthidwa kukhala H.264 kuti ikhale yolimba kwambiri; WebM imasinthidwa kukhala VP9; AVI imagwiritsa ntchito MPEG-4 ASP (DivX / Xvid linage). MPEG pulogalamu ma streams ndi decoded ndi literally aliyense DVD wosewera mpira, set-top bokosi ndi kufalitsa mzere kale anamanga, ndipo iwo kulola bit zoipa graciously.

Kodi HDR (HDR10, Dolby Vision) imatha bwanji MPG mpaka MPEG?

HDR static metadata (HDR10 mastering display values, max content light level) imatha kupita ku MPEG pamene ma kontena awiri ndi codec osankhidwa amathandizira (HEVC, AV1 mu MKV / MP4). Dolby Vision ndi wolimba kwambiri - DV profile 5 / 7 / 8.1 mu MPG nthawi zambiri amapulumuka okha ku MKV ndi HEVC; kusinthidwa ku MPEG kontena lomwe silitha kunyamula gawo la DV limatha ku HDR10.

Kodi wosinthira MPG mpaka MPEG adzasunga kusinthasintha kwa framerate (VFR)?

MKV ndi WebM amalemba ma timestamps a real-frame ndi kuwongolera VFR mwanjira yachibadwa, kotero kuti MPG VFR imatha kukhala ndi MPEG ya mafomuwa popanda kubwezeretsa. MP4 imasunga nthawi yowonjezerapo koma ena osewera amaganiza kuti CFR; wosintha amatulutsa "kulepheretsa CFR" kuti abwezeretse VFR MPG ku 24 / 30 / 60 fps MPEG kwa zolinga zosatheka.

Nchifukwa chiyani fayilo yanga MPEG ndi yaying'ono / yayikulu kuposa MPG pambuyo posintha?

Remux ya codec yomweyo imatulutsa kukula kwakukulu (kuphatikiza kwa kontena kumasiyana ndi 0.1-2%). Kusintha kwa codec kungapangitse kukula kwa 50% kapena kuposa: H.264 kupita ku H.265 kumatha kuchepetsa fayilo pazomwe zimawoneka bwino; H.264 kupita ku AV1 kumatha kuchepetsanso panthawi ya slow.Kuchokera ku high-bitrate MPG (Blu-ray rip) kupita ku low-bitrate MPEG (kutsitsa pa intaneti) ndichifukwa chofala kwambiri cha kugwa kwakukulu.

Kodi wosinthira MPG mpaka MPEG amasamalira 4K / 8K / 60fps?

Ndiyo mpaka 8K (7680x4320) pa Premium. Mlingo wopanda malire umatha 4K (3840x2160) mpaka kumapeto kwa fayilo ya 1 GB. Ma remuxes oyera (kupita kwa codec yofanana) ya MPG yokulirapo kupita ku MPEG amalepheretsa I / O ya diski, osati CPU - 30 GB MPG amasinthanso kupita ku MPEG m'miphindi yochepa popanda kuyankhulana. Amasinthanso kukula ndi kuchuluka kwa ma pixel.

MPG

MPG ndi fayilo yowonjezera ya mafayilo amakanema a MPEG-1 kapena MPEG-2. Nthawi zambiri amagwiritsidwa ntchito posewera ndi kugawa makanema.

MPEG

MPEG (Moving Picture Experts Group) ndi banja la makanema ndi makanema ophatikizika omwe amagwiritsidwa ntchito kwambiri posungira mavidiyo ndi kusewera.