Ultimate Video Codec Kwatanta Jagora: H.264 vs H.265 vs VP9 vs AV1 | 2025 Cikakken Bincike

Cikakken Jagoran Kwatancen Codec na Bidiyo

Cikakken bincike na codecs na bidiyo na zamani ciki har da H.264 / AVC, H.265 / HEVC, VP9, AV1, da sauransu. Nemo cikakken codec don yawo, samarwa, ko buƙatun ajiyar ku.

Ingantaccen Matsi

Daidaituwar na’ura

Ayyukan Rufewa

Kayayyakin gani

Duba Teburin Kwatanta Bincika Bayanan Codec

Teburin Abubuwan Ciki

Gabatarwa zuwa Codecs Bidiyo
Koyi mahimman abubuwan damfara bidiyo da dalilin da yasa codecs ke da mahimmanci don yawo da ajiya.
Babban Bayanin Codecs Bidiyo
Cikakken bincike na H.264 / AVC, H.265 / HEVC, VP9, AV1, da sauran mahimman codecs na bidiyo.
Teburin Kwatancen Codec
Kwatancen fasaha na gefe-gefe na ingancin matsi, inganci, da daidaituwa.
Juyin Halitta na Codecs Bidiyo
Ci gaban tarihi da ci gaban fasaha a cikin fasahar matsawa bidiyo.
Yi amfani da shari’o’i da shawarwari
Wanne codec ne yayi aiki mafi kyau don yawo, samarwa, adanawa, da sauran takamaiman yanayi.
Fasaha Deep Dive
Babban bincike na fasaha na codec internals, ingantaccen bitrate, da hanyoyin ɓoyewa.
Tambayoyin da ake yawan yi
Amsoshin tambayoyin gama gari game da zaɓin codec na bidiyo, dacewa, da aiki.

Gabatarwa zuwa Codecs Bidiyo

Codecs na bidiyo sune ginshiƙan fasahar fasahar bidiyo na dijital, suna ba da damar adana ingantaccen aiki da watsa abun ciki na bidiyo a kan dandamali da na’urori daban-daban. A cikin wannan cikakkiyar jagorar, za mu bincika mafi mahimmancin codecs na bidiyo da ake da su a yau, kwatanta ƙarfinsu da raunin su, kuma za mu taimaka muku zaɓar codec ɗin da ya dace don takamaiman bukatunku.

Ko kai mahaliccin abun ciki ne, mai ba da sabis na yawo, ko kuma kawai kana sha’awar yadda bidiyon da ka fi so ya isa allonka, fahimtar codecs na bidiyo yana da mahimmanci a cikin yanayin yanayin dijital na yau.

Me yasa Codecs Bidiyo ke da mahimmanci

Codecs na bidiyo (matsawa / raguwa algorithms) suna aiki a matsayin kashin baya na rarraba bidiyo na dijital, yana ba da damar ingantaccen bidiyo mai inganci don adanawa da kuma watsa shi a cikin cibiyoyin sadarwa tare da iyakataccen bandwidth. Zaɓin codec ɗin da ya dace zai iya tasiri sosai:

Girman Fayil

Codecs na zamani na iya rage girman fayil ɗin bidiyo har zuwa 50-80% idan aka kwatanta da tsofaffin nau’ikan tsarin yayin kiyaye ingancin gani.

Daidaituwa

Na’urori daban-daban da dandamali suna goyan bayan codecs daban-daban, suna shafar inda da yadda za’a iya kallon bidiyon ku.

Quality Streaming

Ingantattun codecs suna ba da izini don ƙuduri mafi girma da ingantaccen yawo mai inganci ko da akan iyakokin haɗin bandwidth.

Amfanin Wuta

Wasu codecs suna buƙatar ƙarin ikon sarrafawa don yanke lamba, kai tsaye yana tasiri rayuwar baturi akan na’urorin hannu.

Matsi na bidiyo yana aiki ta hanyar kawar da bayanan gani da yawa ta hanyoyin da ba a iya gane idon mutum ba. Wannan tsari ya ƙunshi fasaha daban-daban ciki har da:

Matsi na sarari: Rage raguwa a cikin firam guda ɗaya
Matsi na ɗan lokaci: Adana kawai bambance-bambance tsakanin firam ɗin jere
Entropy coding: Yin amfani da hanyoyin ƙididdiga don wakiltar alamu gama gari da inganci
Samfuran chroma: Rage bayanan launi waɗanda idanuwan ɗan adam ba su da mahimmanci

Yayin da muke kwatanta codecs daban-daban a cikin wannan jagorar, za mu bincika yadda kowannensu ke aiwatar da waɗannan fasahohin da sakamakon cinikin tsakanin ingancin gani, ingancin matsi, da buƙatun lissafi.

Babban Bayanin Codecs Bidiyo

H.264 / AVC

Matsayin Masana’antu Daidaituwar Duniya

H.264 (Babban Codec na Bidiyo) ya kasance mafi yadu goyon bayan codec na bidiyo a kusan dukkan na’urori da dandamali. Ƙwararrun Ƙwararrun Ƙwararrun Bidiyo na ITU-T da ISO/IEC MPEG suka haɓaka, yana ba da ma’auni mai kyau tsakanin ƙwarewar matsawa da ƙaddamarwa.

Matsi

6.5/10

Daidaituwa

9.5/10

Saurin shigar da bayanai

8.5/10

Ana goyan bayan kusan dukkan na’urori da masu bincike
Haɗawar kayan aikin ana samun ko’ina
Kyakkyawan ma’auni na inganci da matsawa
Ƙananan buƙatun ƙididdiga

Shekara

2003

Lasisi

Patent

Mafi kyawun Ga

Daidaituwa

H.265 / HEVC

Babban inganci 4K abun ciki

H.265 (High Efficiency Video Codeing) shine magajin H.264, yana ba da kusan 50% mafi kyawun matsawa a matakin inganci iri ɗaya. Yana da tasiri musamman don abun ciki na 4K da HDR, kodayake yana buƙatar ƙarin ikon sarrafawa don ɓoyayyiya da ƙididdigewa.

Matsi

8.5/10

Daidaituwa

7.0/10

Saurin shigar da bayanai

5.5/10

50% mafi kyawun matsawa fiye da H.264
Mafi kyau ga 4K da HDR abun ciki
Haɓaka tallafin kayan masarufi a cikin sabbin na’urori
Taimako don ƙudurin 8K

Shekara

2013

Lasisi

Patent

Mafi kyawun Ga

4K abun ciki

VP9

Buɗe Source Yanar Gizo Yana inganta

Google ne ya haɓaka shi, VP9 madadin kyauta ne na sarauta zuwa H.265 tare da ingantaccen matsi iri ɗaya. Yana da yadu goyon baya a yanar gizo bincike da kuma ya zama misali codec for YouTube, miƙa muhimmanci mafi kyau matsawa fiye da H.264.

Matsi

8.0/10

Daidaituwa

7.5/10

Saurin shigar da bayanai

5.0/10

Madaidaicin buɗaɗɗe marassa sarauta
Kyakkyawan goyon bayan burauza
Daidaitaccen inganci zuwa H.265/HEVC
Amfani da YouTube da sauran dandamali na yanar gizo

Shekara

2013

Lasisi

Kyauta

Mafi kyawun Ga

Bidiyon Yanar Gizo

AV1

Na gaba-Gen Kyautar Sarauta

AV1 shine babban codec na bidiyo wanda aka kirkira ta Alliance for Open Media (AOMedia), wanda aka tsara don cin nasara VP9 da gasa tare da HEVC. Yana ba da kusan 30% mafi kyawun matsawa fiye da VP9 da H.265/HEVC akan ƙimar mafi girman rikitarwa mai rikitarwa.

Matsi

9.5/10

Daidaituwa

5.5/10

Saurin shigar da bayanai

3.0/10

Mafi kyawun matsi a halin yanzu akwai
Marasa sarauta tare da faffadan tallafin masana’antu
Haɓaka mai bincike da tallafin dandamali
Ana samun karɓuwa ta hanyar manyan ayyukan yawo

Shekara

2018

Lasisi

Kyauta

Mafi kyawun Ga

Tabbatar da gaba

Teburin Kwatancen Codec

Siffar	H.264 (AVC)	H.265 (HEVC)	VP9	AV1
Ingantaccen Matsi	Baseline ★★★☆☆	~50% fiye da H.264 ★★★★☆	~50% fiye da H.264 ★★★★☆	~ 30% mafi kyau fiye da HEVC/VP9 ★★★★★
Saurin shigar da bayanai	Mai sauri ★★★★☆	Sannu a hankali ★★★☆☆	Sannu a hankali ★★☆☆☆	Mai matuƙar jinkiri ★☆☆☆☆
Complexity na yanke hukunci	Ƙananan ★☆☆☆☆	Matsakaici ★★☆☆☆	Matsakaici ★★☆☆☆	Babban ★★★☆☆
Taimakon Hardware	Universal ★★★★★	Kyakkyawan (sababbin na’urori) ★★★★☆	Iyakance ★★★☆☆	Fitowa ★★☆☆☆
Taimakon Mai Binciken Bincike	Duk masu bincike ★★★★★	Limited (Safari, Edge) ★★☆☆☆	Manyan masu bincike ★★★★☆	Girma (Chrome, Firefox, Edge) ★★★☆☆
Taimakon Wayar hannu	Duk na’urori ★★★★★	Yawancin sabbin na’urori ★★★★☆	Android-mai da hankali ★★★☆☆	Iyakance, ingantawa ★★☆☆☆
Matsakaicin ƙuduri	8K (ba a cika amfani da shi ba)	8K	8K	8K+
Taimakon HDR	Iyakance	Madalla	Yayi kyau	Madalla
Yin lasisi	Lamunin mallaka	Haɗin mallaka (mafi girma)	Kyautar sarauta	Kyautar sarauta
Shekarar Sakin	2003	2013	2013	2018
Ci gaba	MPEG/ITU	MPEG/ITU	Google	Alliance don Buɗe Media

Lura: Kwatancen ingancin matsi yana da ƙima kuma yana iya bambanta dangane da nau’in abun ciki, saitunan ɓoyewa, da aiwatarwa. Muhimman nasarorin ingancin AV1 yawanci suna zuwa tare da ƙwaƙƙwaran ɓoyayyen ɓoyewa, yana sa ya fi dacewa da abun ciki wanda za a ɓoye sau ɗaya kuma a buga sau da yawa.

Juyin Halitta na Codecs Bidiyo

Fasahar codec na bidiyo ta samo asali sosai a cikin shekarun da suka gabata, tare da kowane tsara yana kawo ƙwaƙƙwaran haɓakawa cikin ingancin matsi da ingancin gani. Fahimtar wannan juyin halitta yana ba da mahimmancin mahallin don kimanta zaɓuɓɓukan yau da tsammanin ci gaba na gaba.

1990s

MPEG-1 da MPEG-2

Matsayin bidiyo na dijital na farko na al’ada, MPEG-2 ya zama tushe don bidiyo na DVD da watsa shirye-shiryen talabijin na dijital. Waɗannan codecs na farko sun kafa mahimman dabarun damfara bidiyo na zamani.

2003

H.264/AVC

Alamar ƙasa a cikin matsawar bidiyo, H.264 tana ba da ingantaccen ingantaccen aiki akan MPEG-2, yana ba da damar HD bidiyo mai gudana da fayafai na Blu-ray. Ya kasance mafi kyawun codec na duniya kusan shekaru ashirin baya.

2010

VP8

Google ya samu kuma ya fito da VP8 a matsayin buɗaɗɗen madadin H.264. Duk da yake bai taɓa samun karɓuwa iri ɗaya ba, ya kafa tushe don ci gaban codec na Google daga baya da motsin codec mara izini.

2013

H.265/HEVC da VP9

Waɗannan codecs masu gasa sun fito lokaci guda, duka suna ba da kusan 50% mafi kyawun matsawa fiye da H.264. HEVC ya mayar da hankali kan watsa shirye-shirye da aikace-aikacen ƙwararru yayin da VP9 ya sami alkuki a cikin bidiyo na yanar gizo.

2018

AV1

Haɓaka ta Alliance for Open Media (gami da Google, Mozilla, Netflix, Amazon), AV1 yana haɗa mafi kyawun abubuwan VP9 da sauran codecs na gwaji don ƙirƙirar ma’auni marar sarauta tare da ingantaccen matsi.

2022

H.266/VVC

M Video Coding (VVC) shi ne magaji zuwa HEVC, bayar da kusan 50% mafi alhẽri matsawa fiye da HEVC / H.265. Da farko yana hari ƙudurin 8K, abun ciki na HDR, da aikace-aikacen yawo na bidiyo masu inganci.

Nan gaba

AV2 & Codecs na tushen AI

Ƙarni na gaba na codecs za su iya haɗa koyan inji da hanyoyin sadarwa na jijiyoyi don cimma madaidaicin matsi, tare da ci gaba da aka rigaya akan magajin AV1.

Maɓallin Maɓalli a Juyin Halitta na Codec

Hanyoyi da yawa bayyanannu sun fito yayin da fasahar codec na bidiyo ta ci gaba:

Nagartar Nagarta

Kowane sabon ƙarni yana ba da 30-50% raguwar bitrate don inganci iri ɗaya idan aka kwatanta da wanda ya gabace shi.

Ci gaban Complexity

Rubuce-rubucen rikitarwa yana ƙaruwa sosai tare da kowane tsara, yana buƙatar ƙarin albarkatun lissafi.

Bude vs. Mallaka

Tashin hankali tsakanin ma’aunai da ke da ikon mallaka (H.264/H.265) da kuma hanyoyin da ba su da sarauta (VP9/AV1) sun tsara yanayin wuri.

AI Haɗin kai

Ana shigar da koyan inji cikin sabbin codecs don ƙarin yanke shawara na matsawa na hankali.

Yi amfani da shari’o’i da shawarwari

Aikace-aikacen bidiyo daban-daban suna da buƙatu na musamman, kuma mafi kyawun zaɓin codec ya dogara da takamaiman yanayin amfanin ku. Anan ga bincikenmu wanda codecs suka yi fice a yanayi daban-daban, tare da la’akari da dacewa, inganci, da la’akari da inganci.

Yawo Bidiyon Yanar Gizo

Don dandamalin bidiyo na tushen yanar gizo, zaɓin codec ya kamata ya daidaita haɓakar matsawa tare da ingantaccen mai bincike. Aiwatar da zaɓuɓɓukan codec da yawa ta hanyar yawo mai daidaitawa shine tsarin da aka ba da shawarar.

H.264 VP9 AV1

Bidiyon Wayar hannu

Na’urorin tafi-da-gidanka suna da iyakataccen bandwidth da ikon sarrafawa. Ƙaddamar da hanzarin kayan aiki yana da mahimmanci ga rayuwar baturi, yana sa codecs masu goyan baya ya fi dacewa duk da cinikin ciniki.

H.264 H.265

Abun ciki na 4K/HDR

Babban ƙuduri, babban abun ciki mai ƙarfi mai ƙarfi yana buƙatar codecs tare da ingantaccen matsi don kiyaye girman fayil da buƙatun bandwidth ana iya sarrafa su yayin kiyaye ingancin gani.

H.265 VP9 AV1

Samar da Bidiyo

Don gyare-gyaren bidiyo da samar da ayyukan aiki, codecs suna buƙatar daidaita inganci, gyara-friendliness, da ƙwarewar lissafi. ƙwararrun ƙwararru da yawa suna amfani da ƙa’idodin samarwa na musamman kafin bayarwa na ƙarshe.

ProRes DNxHD H.264 (high bitrate)

Gidan Talabijin na Watsa Labarai

Watsa shirye-shiryen yana da takamaiman buƙatu don dogaro, inganci, da dacewa tare da abubuwan more rayuwa. Matsayin masana’antu da ƙa’idodi galibi suna yin zaɓin codec.

MPEG-2 H.264 H.265

Wasan Yawo

Wasan gajimare da ayyukan yawo na wasa suna buƙatar codecs waɗanda ke ba da ƙarancin jinkiri, saurin ɓoyewa, da juriya zuwa hadaddun, saurin sauya abun ciki tare da ƙananan kayan tarihi.

H.264 H.265 AV1

Ƙananan Bandwidth

Don al’amuran da ke da iyakancewar bandwidth mai tsanani, kamar cibiyoyin sadarwar wayar hannu a yankunan karkara, mafi kyawun codecs suna ba da mafi kyawun ingancin-zuwa-bitrate rabo duk da mafi girman rikitarwa mai rikitarwa.

AV1 H.265

Kyamarar Tsaro

Tsarin sa ido yana buƙatar daidaita rikodin rikodi mai ci gaba tare da iyakancewar ajiya, galibi yana ba da fifikon ingantaccen ajiya na dogon lokaci akan cikakkiyar ingancin gani.

H.264 H.265

Ma’ajiyar Tarihi

Don kiyayewa na dogon lokaci, codecs dole ne su daidaita ingancin matsi tare da tabbatarwa na gaba da samun dikodi. Wasu aikace-aikacen suna amfani da codecs marasa asara don guje wa lalacewar inganci.

H.265 FFV1 (marasa asara) ProRes

Lokacin Amfani da Sabbin Codecs

Lokacin da sararin ajiya ko bandwidth yana da matukar damuwa
Don abun ciki wanda za a ɓoye sau ɗaya amma an buga sau da yawa
Lokacin niyya takamaiman dandamali tare da goyan bayan codec sananne
Don babban ƙuduri (4K/8K) da babban abun ciki mai ƙarfi
Lokacin shigar da lokacin ba abu ne mai mahimmanci ba

Lokacin Zama da H.264

Lokacin da ake buƙatar iyakar na’ura da dacewa da dandamali
Don yanayin ɓoye bayanan kai tsaye tare da iyakance albarkatun kwamfuta
Lokacin shigar da saurin ya fi mahimmanci fiye da girman fayil
Don abun ciki tare da iyakanceccen rarrabawa ko gajeriyar rayuwa
Lokacin yin niyya na tsofaffin na’urori ba tare da haɓaka kayan masarufi don sababbin codecs ba

Fasaha Deep Dive

Ga waɗanda ke da sha’awar hanyoyin da ake amfani da su na codecs na bidiyo na zamani, wannan sashe yana bincika tushen fasaha da sababbin sababbin abubuwa waɗanda ke ba da damar matsawa mai kyau yayin kiyaye ingancin gani.

Mahimman Abubuwan Matsi

Toshe Tsarin

Kudin Motsi

Entropy Coding

Binciken Ayyuka

Mabuɗin Dabarun Matsawa a cikin Codecs na Zamani

Matsi na bidiyo ya dogara da dabaru na asali da yawa waɗanda suka samo asali sosai a cikin tsararrun codec. Fahimtar waɗannan ainihin ƙa’idodin yana taimakawa bayyana bambance-bambance masu dacewa tsakanin codecs:

Matsi na sarari (Intra-frame)

Duk codecs na zamani suna damfara firam guda ɗaya ta amfani da canza coding, yawanci tare da bambance-bambancen Canjin Cosine Mai Rarraba (DCT). Wannan tsari yana juyar da bayanan pixel na sarari zuwa ma’aunin mitar, yana ba da damar adana bayanan da ba a iya gani ba tare da ƴan ragi.

H.264 yana amfani da 4 × 4 da 8 × 8 DCT canje-canje
H.265 yana faɗaɗa zuwa manyan sauye-sauye (har zuwa 32 × 32) don ƙarin ingantacciyar matsi na cikakkun wurare
VP9 yana amfani da canje-canje daga 4 × 4 zuwa 32 × 32
AV1 yana ƙara sauye-sauyen da ba na murabba’i ba kuma yana iya amfani da sauyi har zuwa 64 × 64, yana ba da damar daidaitawa ga abun ciki.

Matsi na ɗan lokaci (Inter-frame)

Mafi girman ribar matsawa ta zo daga yin amfani da kamanceceniya tsakanin firam ɗin jere. Maimakon adana kowane firam gaba ɗaya, codecs suna adana abubuwan motsi da sauran bambance-bambance:

H.264 yana amfani da madaidaitan toshe masu girma dabam daga 16 × 16 zuwa 4 × 4 don ramuwar motsi
H.265 yana gabatar da ƙarin sassauƙan rarrabuwa tare da Rukunin Bishiyoyi (CTUs) har zuwa 64 × 64, wanda za’a iya raba shi akai-akai cikin tsarin bishiyar quadtree.
VP9 yana goyan bayan tsarin rarraba toshe irin wannan tsarin tare da “superblocks” na har zuwa 64×64
AV1 yana ƙara ƙarin zaɓuɓɓukan ɓangarori gami da rarrabuwar asymmetric da yanayin hasashen fili

Hanyoyin Hasashen

Hanyoyin tsinkaya na ci gaba suna taimakawa codecs tsammanin abun ciki ba tare da adana shi a sarari ba:

Intra-hasashen: Yana tsinkaya tubalan daga firikwensin maƙwabta da aka riga aka yanke a cikin firam ɗaya
Inter-hasashen: Yana tsinkayar tubalan daga firam ɗin da aka yanke a baya
Hasashen biyu-direction: Yana tsinkaya ta amfani da firam ɗin da suka gabata da na gaba

Sabbin codecs suna gabatar da mafi nagartattun hanyoyin tsinkaya, tare da AV1 yana ba da yanayin tsinkaya 56 idan aka kwatanta da H.264’s 9 da HEVC’s 35.

Fahimtar Fasaha: Babban fa’idar ingantaccen aiki a cikin codecs na zamani sun fi fitowa daga mafi nagartaccen rarrabuwa da tsare-tsaren tsinkaya maimakon ainihin sabbin ka’idodin matsawa. Waɗannan haɓakawa suna ba da damar codecs don daidaitawa zuwa nau’ikan abun ciki daban-daban, daga yanayin motsi mai sauri zuwa tsayayyen bango tare da cikakkun bayanai.

Tambayoyin da ake yawan yi

Menene mafi dacewa da codec na bidiyo na duniya?

H.264 (AVC) ya kasance mafi dacewa da codec na bidiyo na duniya, wanda kusan dukkanin na’urori na zamani, masu bincike, da dandamali da aka ƙera a cikin shekaru 15+ da suka wuce. Zaɓin amintaccen zaɓi ne lokacin da abun cikin ku yana buƙatar zama mai iya kunna ko’ina ba tare da buƙatar nau’ikan tsari da yawa ba.

Wanne codec ne ke ba da mafi kyawun ingancin-zuwa-girma rabo?

AV1 a halin yanzu yana ba da mafi kyawun ingancin matsawa (kyauta-to-size rabo) a tsakanin tallace-tallace da aka tura codecs, cimma kusan 30% mafi kyawun matsawa fiye da H.265 / HEVC da VP9 a daidaitaccen ingancin gani. Koyaya, wannan yana zuwa akan farashi mai mahimmanci mafi girman rikitarwa mai rikitarwa da ƙarin ƙarancin tallafin kayan aiki. Don aikace-aikacen aikace-aikacen da yawa, H.265 / HEVC da VP9 suna ba da kyakkyawar ma’auni na dacewa da aiki.

Ta yaya zan zaɓa tsakanin H.265/HEVC da VP9?

H.265/HEVC da VP9 suna ba da irin wannan ƙarfin matsawa (kimanin 50% mafi kyau fiye da H.264), amma sun bambanta a cikin lasisi da tallafin muhalli. Zaɓi H.265 / HEVC lokacin yin niyya na na’urorin Apple, TV mai kaifin baki, da ƙwararrun ayyukan bidiyo na ƙwararru inda haɓaka kayan aikin ke da mahimmanci. Zaɓi VP9 don abun ciki na tushen yanar gizo, haɓaka YouTube, kuma lokacin guje wa ikon mallakar mallaka shine fifiko. Yawancin manyan dandamali masu yawo suna ba da abun ciki a cikin nau’ikan nau’ikan biyu ta hanyar yawo mai daidaitawa.

Shin AV1 yana shirye don amfani na yau da kullun?

AV1 yana ƙara shirye don amfani na yau da kullun a cikin takamaiman yanayi, kodayake ba tukuna kamar yadda ake amfani da shi a duniya kamar H.264. Manyan ayyuka na yawo kamar YouTube, Netflix, da Facebook yanzu suna amfani da AV1 don zaɓin abun ciki, musamman don yanayin ƙuntataccen bandwidth. Tallafin mai lilo yana da kyau (Chrome, Firefox, Edge), kuma tallafin kayan masarufi yana faɗaɗa cikin sabbin na’urori. Koyaya, ɓoye bayanan ya kasance mai ƙarfi cikin ƙididdigewa, yana mai da shi mafi dacewa ga abun ciki wanda za’a shigar dashi sau ɗaya amma ana buga shi sau da yawa, ko don al’amuran inda ajiyar bandwidth ya fi tsadar ɓoyewa.

YouTube fa? Wane codec zan yi amfani da shi don lodawa?

Don loda YouTube, mayar da hankali kan samar da ingantaccen fayil mai inganci maimakon ingantawa da takamaiman codec. YouTube yana canza duk abubuwan da aka ɗorawa zuwa tsari da yawa (H.264, VP9, da ƙara AV1) don yanayin sake kunnawa daban-daban. Don kyakkyawan sakamako, loda cikin H.264 tare da babban bitrate ko ProRes idan akwai. YouTube yana ba da shawarar kiyaye ƙimar firam ɗinku na asali da ƙuduri har zuwa 8K, barin tsarin su ya kula da haɓaka na’urorin sake kunnawa daban-daban da saurin haɗi.

Shin codecs na bidiyo daban-daban suna shafar amfani da CPU/GPU yayin sake kunnawa?

Ee, mahimmanci. Sabbin, ingantattun codecs gabaɗaya suna buƙatar ƙarin ikon sarrafawa don yanke lamba sai dai idan akwai hanzarin kayan aiki. Ƙididdigar H.264 ita ce haɓaka kayan aiki akan kusan duk na’urori na zamani, yana mai da shi ingantaccen ƙarfi. H.265/HEVC da VP9 suna da kyau amma ba tallafin kayan masarufi na duniya ba, musamman akan sabbin na’urori. Ƙididdigar kayan aikin AV1 har yanzu tana fitowa amma ana samun ƙarawa akan GPUs na zamani da na’urori masu sarrafawa ta hannu. Ƙididdigar software na manyan codecs na iya tasiri ga rayuwar baturi akan na’urorin hannu kuma yana iya haifar da matsalolin aiki akan tsofaffin kwamfutoci.

Menene bambanci tsakanin codec da tsarin kwantena?

Codec (kamar H.264, H.265, VP9) shine algorithm wanda yake matsawa da kuma rage bayanan bidiyo, yayin da tsarin ganga (kamar MP4, MKV, WebM) shine nannade wanda ke riƙe da matsi na bidiyo, audio, subtitles, da metadata tare. Ka yi la’akari da codec a matsayin hanyar shirya abinda ke ciki, yayin da ganga ne akwatin da suke kunshe a ciki. Alal misali, wani MP4 ganga iya rike video encoded da H.264 ko H.265, tare da audio a AAC format. Akwatin yana ƙayyade dacewa tare da wasu ‘yan wasa da dandamali, yayin da codec ke ƙayyade dacewa da inganci.

Me game da VVC/H.266 da sauran codecs na gaba?

M Video Coding (VVC / H.266) ne na gaba-tsara codec daga MPEG / ITU kungiyoyin, alƙawarin game da 50% mafi alhẽri matsawa fiye da HEVC / H.265. Yayin da aka kammala ma’auni a cikin 2020, karɓar tallafi mai yawa zai ɗauki shekaru kamar yadda tallafin kayan masarufi da software ke haɓaka. Hakanan, Alliance for Open Media yana aiki akan AV2, magajin AV1. Waɗannan codecs na gaba-gaba suna yin niyya da farko na bidiyo na 8K, gaskiyar kama-da-wane, da ƙaƙƙarfan ƙayyadaddun aikace-aikacen bandwidth. Don mafi yawan aikace-aikacen yanzu, mayar da hankali kan cikakkun bayanan da aka tura (H.264, HEVC, VP9, da ƙara AV1) ya kasance hanya mai amfani.

Zaɓi Codec Dama don Buƙatun Bidiyonku

Ko kuna yawo abun ciki, samar da bidiyo, ko haɓaka aikace-aikace, zabar codec ɗin da ya dace na iya tasiri sosai ga inganci, dacewa da inganci. Yi amfani da cikakkiyar kwatancenmu don yanke shawara mai fa’ida don takamaiman yanayin amfanin ku.

Duba Teburin Kwatanta Bincika Abubuwan Amfani