MP4 → AV1

Tahurihia Tō MP4 Tuhinga o mua AV1 kōnae ngawari

Tīpakohia ō kōnae

Ka tangohia rānei ā-rānei ōna doke ki konei

Whakahaua: 1 Ka whakawhitinga/ora · Kāore i te whakawhāiti →

Tahurihia kia 1 GB ngā kōnae mō te kore utu, ka taea e ngā kaiwhakamahi Pro te tahuri ki te 100 GB ngā kōnae; Waitohu inaianei

Tukuatu ana

Me pēhea te huri MP4 Tuhinga o mua AV1

Hipanga 1: Tukuatu tō MP4 ngā kōnae mā te whakamahi i te pātene i runga ake nei, mā te tōia me te whakataka rānei.

Hipanga 2: Pāwhiritia te pātene 'Tahuri' hei tīmata i te tahuritanga.

Hipanga 3: Tikiake i tō mea kua tahurihia AV1 kōnae

MP4 Tuhinga o mua AV1 Ngā Pātai Auau mō te Tahuritanga

He pēhea te tahuri i a au i te MP4 ki te AV1 me te kore whakawaehere i te rerenga ataata?

Ki te taea e ngā MP4 me AV1 ngā kāwai te mau i te pūrere ōrite (H.264, H.265, VP9, AV1), ka hoki te whakarerekē ki tētahi remux: ka tāruatia ngā rerenga taketake ki roto i te AV1 kāwai, ā, ko te wrapper anake e huri ana. Ko te remux o te 1 GB MP4 ki AV1 e mutu ana i roto i ngā wā 5-15 me te ngaronga āhuatanga kore. Tata tonu ki ia MP4 i te mohoao he ataata H.264 me te oro AAC; kei roto hoki i te kāwai he HEVC, AV1 me VP9. Ko AV1 he pūrere, ehara i te pūrere — ko te tikanga ka haere te aho iti i roto i te MP4, WebM rānei, e hono ana ki te Opus, ki te oro AAC rānei.

Ka taea e te AV1 te pupuri i neke atu i tētahi rererangi oro?

Heoi, he whakawhānui tūturu i runga i te MP4. AV1 e whakaaro ana ki ia rerenga oro hei rererangi ā-ira tuatahi, kia noho ai te whāranu reo taketake, te tāruatanga me te kōrero a te kaiwhakahaere i tētahi pūranga kotahi me te kaipāpāho e whakawhiti ana i waenganui i a rātau i te tono. E AV1 e whakarato ana i te whakawhāititanga tata ki te 30% pai ake i te H.264 i te āhuatanga ōrite, ā, kāore he utu ātete, nā reira e whakahaua ana e YouTube me Netflix.

E tautoko ana te AV1 i ngā tohu wāhanga kāore i mahi te MP4?

Ka mahi. AV1 e rokiroki ana i ngā wāhanga hei metadata kāwai, nā reira ka taea te whakatere i tētahi pūkete roa e te wāhanga i te wāhi i te wā e whakawātea ana i tētahi pae arā. MP4 kaore he wāhi hei whakatakoto i taua mōhiohio, kia tae atu te pūtake ki tētahi rārangi wāhanga i roto i tētahi pūkete ā-pātata - ka tuku ki te kaiwhakarere, ā, ka tuhituhi ki roto i te AV1.

Ka mahi tonu te AV1 ki runga i tētahi pūkoro, i tētahi TV rānei?

Tērā pea kāore. MP4 e whakakōrerotia ana e te pūkoro whakatapua i runga i ngā pūkoro, ngā tāpapa me ngā TV, nā reira ka tākaro i te pūrere me te kore whakawātea i te pūkoro. AV1 i te nuinga o te wā ka hoki ki te whakakōrero pūmanawa i runga i te pūrere ōrite — te utu CPU tiketike ake, he pūrere wera, me ngā tāruatanga i runga i ngā rauemi 4K. Mō tētahi whāinga pūrere, MP4 ko te pūrere haumaru ake hei noho i roto. He pōturi te whakawaenga AV1, ā, i puta noa ngā whakawaenga pūrere i roto i ngā tāruatanga me ngā pouaka whakaata mai i te tau 2020 - ka hoki anō ngā pūrere tawhito ki te whakawaenga pūmanawa kaha.

He mea mauī te AV1, he pūkōrero rānei, ā, ka hurihia te mea e whiwhi ana au?

Ka huri tēnei i te mea e tūmanakohia ana mai i te pūkete huaputa. Ko tētahi taha o tēnei tahuritanga e kiia ana he waehere, ehara i te whākōkī, nō reira ko te mea e hoki ana ko te rerenga ira i roto i te mea e tika ana — i te nuinga o te MP4, MKV rānei. Ko te whakaroanga e whakaatu ana i te mea; ko te pūkōrero te mea e whakatau ana i te rahi o te pūkete, ā, i reira ka whakapāpāhotia.

Ka ora te oro-maha-rangirangi ki te tahuritanga MP4 ki AV1?

He — ko ia whakataki oro i roto i te MP4 (whakaaro a te kaiwhakahaere, reo whirinoa, oro whakaahua) ka tiakina ki te AV1 ina tautokona e te pūrere te oro-maha. MKV me MOV e whakahaere ana i ngā whakataki oro kāore i te whakawātea; he maha ngā MP4 e tautoko ana, engari ko ētahi kaiwhakaari pūrere e kite ana i te whakataki 1 anake; Ka whakawāteatia te WebM i te whakataki Opus / Vorbis kotahi. Ko AV1 te pūrere ataata kore utu a te Alliance mō te Pāpāho Tūwhera i whakaputaina i te tau 2018 hei kaiwhakawhitiwhiti ki te VP9.

E tiakina ana ngā pūrere subtitles ina tahuritia te MP4 ki te AV1?

Ka ora ngā whakahuatuhi māmā (ngā rererangi ka tīpakohia) ina taea e AV1 te mau i a rātou: MKV kei roto i te SRT, ASS, SSA, PGS, VobSub māori; MP4 kei roto anake i te mov_text (he hanga whakawātea). Ko te tahuritanga o tētahi MKV me ngā whakahuatuhi āhua ASS ki MP4 ka whakaiti i a rātou ki te mov_text, ka whakarewa rānei i a rātou. Ko ngā whakahuatuhi matatini (i whakarewatia ki roto i te ataata) ka mau i a rātou ahakoa pēhea.

E MP4 ki AV1 e pupuri ana i ngā tohu wāhanga / whakatere āhua DVD?

Ka whakawhitia ngā raraunga meta i waenganui i te MP4 me te AV1 ina tautokona e ngā kāwai e rua tētahi ngota wāhanga (MKV, MP4, MOV). Ka penapena te WebM i ngā wāhanga i roto i tētahi kōpaka Matroska-hōpū, kia mārama ai ngā wāhanga MKV <-> WebM. Kāore he whakapūtā wāhanga a AVI, nā reira ka tahuri te tahuri AVI ki te AV1 i tētahi pūranga kāore i te whakarārangi, engari rawa ka tāpiri i ngā tohu ā-ringa.

He aha mo ngā whakataki MKV (whakatika, whakataki) ina haere mai te MP4 ki te AV1?

Ko MKV te mea anake e pupuri ana i ngā pūkete whakapiripiri (ngā tātuhi TTF mō ngā tātai ASS, ngā toi kāwai JPG, ngā tāurunga PDF i whakamāoritia). E haere ana mai i te MP4 ki te AV1 ka whakapeka ēnei tātai ina kore te AV1 he MKV — ka tahuri ngā rerenga taketake, engari ka noho te utu whakapiripiri i te pūtake. Whakataki MP4 hei tiaki i ētahi atu tātai mēnā e whakawhirinaki ana ki ngā tātai whakapiripiri.

He aha te pūrere pūrere e whakamahia ana e te AV1?

E kōwhiritia ana te pūnaha waeheretanga pūnoa hei ōrite ki te AV1 kaitakawaenga: MKV ngā pūnoa ki H.265 (HEVC) mō te whakawhāititanga pai ake; MP4 ngā pūnoa ki H.264 mō te tautoko pūrere whānui rawa; WebM ngā pūnoa ki VP9; AVI e whakamahi ana i te MPEG-4 ASP (DivX/Xvid lineage). Ka whakawātea mā te whakawātea codec hōhonu — Kei te wātea te AV1 mō MKV / WebM i reira e hiahiatia ana e koe te whakawhāititanga nui rawa, ā, ka taea te tūmanako mā te waehere.

He pēhea te ora o HDR (HDR10, Dolby Vision) mai i te MP4 ki te AV1?

Ko te metadata HDR takoto (HDR10 nga uara whakaaturanga matua, te taumata mārama ihirangi) e mau ana ki te AV1 ina tautokona e ngā kāwai me te pūāhua kōaro i kōwhiria (HEVC, AV1 i MKV / MP4). He nui ake te pōturi o Dolby Vision — ko te tātai DV 5 / 7 / 8.1 i te MP4 e ora noa ana ki te MKV me HEVC; te tahuri ki tētahi AV1 kāwai kāore e mau ana i te apa DV ki te HDR10.

Ka pupuri te MP4 ki te AV1 kaiwhakarere i te auautanga whārite tāupe (VFR)?

MKV me te WebM e whakataki ana i ngā rārangi wā-whāiti tūturu, ā, ka whakahaeretia e VFR māori, nā reira MP4 VFR e ora ana ki tētahi AV1 o ēnei hanga kāore i te tāurunga. MP4 e pupuri ana hoki i ngā rārangi wā, engari ko ētahi kaitapere e whakaaro ana ki te CFR; Ka whakaaturia e te tahuri tētahi "pūngao CFR" e whakamātau ana i te VFR MP4 ki te 24 / 30 / 60 fps AV1 mō ngā ūnga raruraru.

MP4

Ka taea e te hōputu ipu MP4 te pupuri i ngā ataata, oro, hauraro, me ngā whakaahua i roto i te kōnae kotahi me te kōpeketanga tino pai.

AV1

Ko te AV1 he whakatakotoranga kōpeketanga ataata tuwhera, kore-kingi-kore i hangaia mo te pai o te whakaata ataata i runga ipurangi. Ka whakaratohia e ia te kaha o te kaha ki te kore e whakararu i te kounga tirohanga.