MP4 → AV1

Chinja Yako MP4 kuti AV1 mafaira pasina simba

Sarudza mafaira ako

kana kudhonza uye kubvisa mafaera ako pano

Free plan: 1 Kuchinjana kwehuwandu hwevanhu/awa · Go Unlimited →

Shandura mafaira anosvika 1 GB mahara, vashandisi vePro vanogona kushandura mafaira anosvika 100 GB; Nyorera izvozvi

Kuisa

Maitiro ekushandura MP4 kuti AV1

Danho 1: Isa yako MP4 mafaira uchishandisa bhatani riri pamusoro kana nekudhonza nekudonhedza.

Danho rechipiri: Dzvanya bhatani rekuti 'Convert' kuti utange kushandura.

Danho rechitatu: Dhawunirodha yako yakashandurwa AV1 mafaira

MP4 kuti AV1 Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kushandura MP4 kuenda ku AV1 pasina kudzokorora kurodha pasi kwevhidhiyo?

Kana MP4 uye AV1 zvidimbu zviviri zvinogona kutakura iyo imwechete codec (H.264, H.265, VP9, AV1), mushanduri unodzokera ku remux: zvidimbu zvidiki zvinokodzera byte-by-byte mu AV1 chidimbu uye chete wrapper ichange. Remux ye1 GB MP4 mu AV1 inotanga mu 5-15 masekondi ne zero kuora kwemhando. Anenge ese MP4 muzvisikwa ndeH.264 video neAAC audio; chidimbu chinochengetawo HEVC, AV1 neVP9. AV1 i codec, kwete chivharo — the bitstream zvinofamba mukati MP4 kana WebM, akaviriswa ne Opus kana AAC audio.

Chii chinogona kuitika kana AV1 ichitora zvinyorwa zviviri?

Yeah, uye ndiyo yakasarudzika kuvandudzwa pane MP4. AV1 inobata chero audio stream seyekutanga-mhando track, saka mutsara wekutanga wechirungu, dub uye director's commentary anogona kugara muimwe faira nemutambi achichinja pakati pavo pavanoda. AV1 inopa 30% yakaderera kumanikidza kupfuura H.264 pamhando imwecheteyo uye haina mari yechikwereti, saka YouTube neNetflix vanoikurudzira.

Ndeapi AV1 anotsigira zvinyorwa zvechikamu zviratidzo izvo MP4 hazvina?

AV1 ichengeta mabhuku semetadata ebhokisi, saka bhuku rinogona kuendeswa nechikamu sezviri mukati, kwete nekucheka mutsara wekumhanya. MP4 haina chero nzvimbo yekuisa iyo ruzivo, saka kana iyo nzvimbo yakatakura nebhuku rebhuku, yaive mu file sidecar - shandisa iyo converter uye inonyorwa mu AV1.

I AV1 icharamba ichitamba zvakanaka pafoni kana paTV?

Zvinogona kunge zvisina. MP4 inodzokororwa neyakazvimirira silicon pafoni, matablets uye TVs, izvo zvinoita kuti iite pasina kusvibisa bhatiri. AV1 zvinonyanya kudzokera kusoftware decoding pane iyo imwechete hardware - yakakwira CPU kumanikidza, yakakwira-yakakwira chigadzirwa, uye yakaderera-yakaderera maframes pa4K zvinhu. AV1 encoding inguva pfupi, uye hardware decoders yakaonekwa chete mufoni uye TV kubva pamakore 2020 kusvika parizvino - zvigadzirwa zvekare zvinodzokera kusimba-inodya software decoding.

I AV1 iri chivharo kana codec, uye kana ichichinja zvandinowanazve?

Ichi chinochinja zvatingatarisira kubva ku output file. Imwe pfungwa yechikonzero ichi ndechekuti, kana tichichinja, tichashandisa encoding sezviri nyore kupfuura wrapper, saka zvatichawana ndezvekuti, kana tichichinja, tichashandisa iyo bitstream mukati mechikonzero chinotibatsira—semuenzaniso, MP4 kana MKV. Kuwedzera kunotaura nezvechikonzero; codec ndiyo inosarudza saizi yechikonzero uye kuti ichatamba sei.

Inogona sei multi-track audio kuchinja kubva ku MP4 kuenda ku AV1?

Yeah — chero audio track mu MP4 (munyori wemashoko, dzimwe rurimi, descriptive audio) inochengetwa mu AV1 kana chinangwa chemudziyo chinotsigira multi-stream audio. MKV neMOV zvinodzora maaudio tracks asina muganho; MP4 inotsigira akawanda asi mamwe mahardware maplayers anoona chete track 1; WebM inorambidzwa kune imwe Opus / Vorbis track. AV1 inonzi isiri-yemahara video codec iyo Alliance for Open Media yakaburitsa muna 2018 seyekutevera VP9.

Ndezvipi zvinyorwa zvemazita ezvinyorwa zvinochengetwa kana uchishandura MP4 kuenda ku AV1?

Soft subtitle (zvinhu zvinosarudzwa) zvinorarama kana AV1 zvichigona kutakura iwo: MKV ine SRT, ASS, SSA, PGS, VobSub zvakananga; MP4 ine mov_text chete (yakavharwa fomati). Kushandura MKV ine ASS subs kune MP4 kunoita kuti zvive mov_text kana kuisa iwo. Hardsubs (yakavharwa muvhidhiyo) inoramba ichienda.

MP4 kusvika ku AV1 inochengeta mapepa emabhuku / DVD-style navigation?

Chitsauko che metadata chinoshandura pakati pe MP4 ne AV1 kana zvese zviwanikwa zvichitsigira chitsauko che atom (MKV, MP4, MOV). WebM inochengeta chitsauko muMatroska-inowirirana block, saka MKV <-> WebM chitsauko chinofamba-famba zvakanaka. AVI haina chitsauko che spec, saka kushandura AVI kuenda ku AV1 kunogadzira faira risina chitsauko kana iwe usingawedzera mamarkers nemwoyo wako.

Chii nezve MKV zvinyorwa zvakaiswa (fonti, kuvhura) kana uchienda kubva ku MP4 kuenda ku AV1?

MKV ndiyo chete mainstream container iyo inochengeta zvakananga zvakaiswa mafaera (TTF fonts ye ASS subs, JPG cover art, fan-translated PDF inserts). Kubva ku MP4 kuenda ku AV1 kunobvisa izvi zvakaiswa kana AV1 hachisi MKV — elementary streams inoshandura, asi zvakaiswa payload zvinogara munzvimbo yekubva. Tenga MP4 se backup kana iwe uchida kuvimba nezvinyorwa zvakaiswa.

Ndeipi codec iyo AV1 output inoshandisa seyakajairika?

Default codec inosarudza kusangana neAV1 container zvakachengeteka: MKV defaults kune H.265 (HEVC) kune yakanakisa kumanikidza; MP4 defaults kune H.264 kune yakakura kwazvo chikuva rutsigiro; WebM defaults kune VP9; AVI inoshandisa MPEG-4 ASP (DivX / Xvid lineage). Kubvisa kuburikidza neyakakwira codec dropdown — AV1 iripo ye MKV / WebM uko iwe uchida kumanikidza kwepamusoro uye unogona kumirira nekunyora.

HDR (HDR10, Dolby Vision) inorarama sei kubva pa MP4 kusvika pa AV1?

HDR static metadata (HDR10 mastering kuratidzwa mitengo, max content light level) inoenda kusvika ku AV1 kana zvese zvidimbu uye yakasarudzwa codec ichiita (HEVC, AV1 mu MKV / MP4). Dolby Vision isiri nyore - DV profile 5 / 7 / 8.1 mu MP4 inoramba ichirarama chete mu MKV neHEVC; kushandura kune AV1 chidimbu chisina kutakura DV layer inoparadza HDR10.

Inogona sei iyo MP4 kusvika ku AV1 converter kuchengetedza yakajairika framerate (VFR)?

MKV neWebM anonyora mazita enguva enguva uye anodzora VFR zvakananga, saka MP4 VFR inorarama mu AV1 eaya mafomati pasina kudzokorora. MP4 inochengeta mazita enguvawo asi vamwe vatambi vanofunga CFR; mushanduri unopa "force CFR" toggle iyo inodzokorora VFR MP4 kusvika 24 / 30 / 60 fps AV1 kune zvinonetsa zvinangwa.

MP4

Rudzi rweMP4 container runogona kuchengeta vhidhiyo, odhiyo, zvinyorwa zvemukati, uye mifananidzo mufaira rimwe chete nekudzvanya kwakanaka.

AV1

AV1 yakavhurika, yehumambo-yemahara vhidhiyo yekumanikidza fomati yakagadzirirwa kunyatsoita vhidhiyo kutenderera painternet. Inopa yakakwirira compression kunyatsoshanda pasina kukanganisa maitiro ekuona.