WebM → AV1

Tahurihia Tō WebM Tuhinga o mua AV1 kōnae ngawari

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

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Tukuatu ana

Me pēhea te huri WebM Tuhinga o mua AV1

Hipanga 1: Tukuatu tō WebM 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

WebM Tuhinga o mua AV1 Ngā Pātai Auau mō te Tahuritanga

He pēhea te whakakōrero anō i a au i WebM ki AV1 me te kore e ngaro te āhuatanga o te vitio?

Whakataki i tōmu WebM pūranga, ā, ka haere te whakarerekē i tētahi CRF-pūtake-whakakōrero i te ūnga o te huaputa ā-whakahaere-kore AV1 (CRF 18 mā te pūmau, uara iti iho = faila nui ake / āhuatanga tiketike ake). Ka kōwhiria te pūkōrero kia ōrite ki te AV1 kāwai — H.264 mō te MP4 whānui-whakahaere, H.265 mō te MKV nui-whakahaere, VP9 mō te WebM, AV1 mō ngā pūpū hōu ake. He whāiti te WebM: VP8, VP9 rānei te ataata (AV1 ināianei) me te Vorbis, te oro rānei, me ētahi atu. 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 WebM. 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 WebM?

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 i te whakawātea i tētahi pae arā i te whakawātea i tētahi pae. WebM kaore he wāhi hei whakatakoto i taua mōhiohio, nō reira mēnā ka tukuna te pūtake me tētahi rārangi wāhanga i roto i tētahi pūkete ārai - 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. WebM 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, WebM 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.

He aha te pūkōrero ataata e whakamahia ana e te huaputa AV1?

E whakawhirinaki ana ki te AV1 kōpaka. MP4 te tīpako ki H.264 mō te tautoko pānui whānui rawa puta noa i ngā pūkoro, ngā kiritaki, me ngā Smart TV. MKV te tīpako ki H.265 / HEVC mō te haurua o te rahi o te pūkete i te āhuatanga ōrite. WebM te tīpako ki VP9. Ka whakawātea ngā kōwhiringa hōhonu i te kōwhiringa pūoko mēnā e hiahiatia ana kia whakawāteatia. 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.

Ka ora te whakarerenga o te pūoro pūoro WebM ki AV1?

Inā WebM me AV1 e tiritiri ana i tētahi pūkōrero oro (hei tauira, e mau ana rāua i te AAC), ka whakawāteatia anō te oro me te kore whakawaenga - ōrite te iti. Ki te rerekē ngā pūkōrero, ka whakawaengatia te oro ki te AAC / Opus / Vorbis i runga anō i te mea e tautoko ana te AV1 kāwai. Ka tiakina te oro-maha (whakaaro, reo whirinoa).

Ka taea e au te pupuri i te rārangi taketake ina tahuri WebM ki AV1?

Mā te pūmau, ā, — he 24fps WebM e noho ana i te 24fps i roto i AV1; he 60fps WebM e noho ana i te 60fps. Mēnā e hiahiatia ana e koe kia huri i te mokatere (hei tauira, i whakawāteatia te 29.97 → whakawhāiti 30, 60 rānei → 30 mō ngā tepe whakarewa), ka whakahaeretia e te kōwhiringa rārangi te 3:2 whakatata, te whakawāteatanga, me te whakakotahitanga rārangi i te whakawhitinga waehere ōrite.

He nui te huringa o te rahinga faila e haere mai i te WebM ki te AV1?

He rite tonu te whakarerekētanga o te pūkōrero (WebM H.264 → AV1 H.264 e huri ana i te kāwai): tata tonu ki te rahi ōrite. Ka taea te huri i te huringa pūkōrero: H.264 → H.265 i te nuinga o te wā e whakawātea ana i te pūkete i te āhuatanga ā-whakaahua ōrite; He āhua ōrite tonu te VP9; AV1 e whakaiti ana i tētahi atu 20-30% engari he pōturi ake te waehere.

Ka whakapāpāhia te AV1 ki runga i te iPhone, Android, me ngā Smart TV?

MP4 / H.264 e tākaro ana i te āhua o te āhua o ia pūrere hōu. E tākaro ana te MOV / H.264 i ngā pūrere Apple me te nuinga o ngā TV, engari kāore i te wā katoa i runga i te Android tawhito. E hiahiatia ana e MKV te VLC i runga i te iOS. Ko te WebM te kaiwhaiwāhi tuatahi. Kei roto i ngā kōwhiringa hōu he "whakapae pūrere" e kōwhiri ana i te pūrere/kōrero AV1 tino haumaru mō tō rātou whāinga.

He maha te roa o te tahuri i tētahi pou 1-ora WebM ki AV1?

He tata tonu te whakarerekētanga o te pūkōrero ōrite — 30 ki te 60 sekona mō tētahi pūkōrero 1-ora. Ka haere te pūkōrero katoa ki te 0.3-0.7x te roanga pūtake i runga i tātau pūkōrero GPU, nō reira ka oti te 1-ora WebM → AV1 i roto i te 18-40 minu e ai ki te rongoā me te pūkōrero ūnga.

He aha te rongoā nui rawa e tautoko ana mō WebM ki AV1?

Tae atu ki te 8K (7680×4320) i runga i ngā mahere Premium. Ko ngā tahuritanga wātea e whakawhāititia ana ki te 4K (3840×2160) e te tepe o te rahi o te pūkete. Ko te metadata HDR (HDR10, HDR10+, Dolby Vision ina noho) e mau ana i te wāhi e tautoko ana e ngā kāwai WebM me AV1.

WebM

Kua hangaia a WebM mō te tukutuku, e tuku ana i te roma ataata kore utu me ngā kōtēke VP8/VP9.

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.