HDMI 2.1a waa heerka ugu dambeeyay ee HDMI , oo taageeraya xallinta fiidiyaha sare, heerarka qaab-dhismeedka, iyo awoodaha bandwidth. Waxa kale oo ay la socotaa astaamo cusub oo soo bandhigaya horumarro la taaban karo oo loogu talagalay ciyaartooyda, oo ay ku jiraan dib-u-dhac shaashadda ah iyo stuttering. 

Maqaalkan, waxaan ku sharixi doonaa waxa HDMI 2.1a yahay ka dibna u quusi ​​doono sifooyinkeeda si aad u ogaato waxa laga filayo tignoolajiyadan cusub. 

Waa maxay HDMI 2.1a?

Interface Multimedia Qeexid Sare^{(High-Definition Multimedia Interface)} ( HDMI ) waa mid ka mid ah isku xirka maqalka/muuqaalka caadiga ah ee u oggolaanaya gudbinta fiidiyowga aaladda isha ilaa bandhig. 

Iyadoo taariikhda la filayo in la sii daayo horaantii 2022, HDMI 2.1a waa heerka cusub ee HDMI. Waxay ku faantaa qaybo casriyeyn ah, oo ay ku jiraan taageerada xalal sare, heerarka qaab-dhismeedka oo la hagaajiyay, muuqaalka HDR , iyo awood baaxad leh oo aad u sarreeya. 

HDMI 2.1a waxay isticmaashaa isku xiraha noocyadii hore ee HDMI waxayna leedahay iswaafajin gadaal ah. 

HDMI 2.1a waxaa soo saaray Forum HDMI^{(HDMI 2.1a is developed by the HDMI Forum)} , Inc. , koox ka kooban 90 ka mid ah soosaarayaasha elektaroonigga ah ee ugu horreeya adduunka, istuudiyaha filimada, shaybaarada tijaabada, iyo bixiyeyaasha adeegga fiidiyowga. HDMI 2.1a waxaa lagu dhawaaqay CES 2022 . 

Waa maxay sifooyinka cusub^{(New Features)} ee HDMI 2.1a ?

HDMI 2.1a waxay leedahay astaamo badan oo cusub kuwaas oo wanaajiya tayada muuqaalka iyo ciyaaraha, sida taageerada xalal aad u sarreeya iyo heerarka dib u^{(refresh rates)} soo kicinta . 

• Xallinta sare:^{(Higher resolutions: )} HDMI 2.1a waxay taageertaa 8K 60Hz iyo 4K 120Hz, iyo sidoo kale 5K iyo 10K xallinta (ee ganacsiga AV). 
• Dhaqdhaqaaqa HDR: ^{(Dynamic HDR: )}Range Dynamic High Dynamic Range^{(Dynamic High Dynamic Range)} ( HDR ) wuxuu bixiyaa korodhka isbarbardhigga iyo tayada muuqaalka. HDMI 2.1a waxay taageertaa qaabab badan oo labadaba xogta xogta ^(HDR10)HDR10 ^(HDR)HDR10+ (nooca firfircoon ee HDR10 ). Tani waa war weyn sababtoo ah si ka duwan qaababka HDR ee jira sida Dolby Vision kuwaas oo ah kuwa iska leh (macnaheedu waa soo-saarayaashu waxay u baahan yihiin inay bixiyaan kharashka shatiga si ay u isticmaalaan), HDR10+ ma laha kharashyo shati. 
• Khariidaynta Cod-ku-salaysan (SBTM):^{(Source-Based Tone Mapping (SBTM): )} Guud ahaan, khariidaynta codka waxa sameeya bandhiga. SBTM waa qaab HDR ah oo adeegsada isha nuxurka (sida console-ka ciyaarta ama kumbuyuutarka) si loo sameeyo habbaynta ka dambeysa khariidaynta codka. Tani waxay ka caawisaa bandhiggu inuu si ka wanaagsan u sameeyo SDR , HDR , iyo wax gelinta ^(HDR)HDR firfircoon . 

• Xawaaraha Sare ee HDMI Cable:^{(Ultra High-Speed HDMI Cable: )} Tilmaamaha cusub ee HDMI 2.1 wuxuu la imanayaa qeexitaan fiilada cusub oo leh kororka awoodda xawliga ah ilaa 48Gbps (ilaa 18Gbps oo leh HDMI 2.0 ). 
• HDMI Kobcinta Maqalka Soo Celinta Kanaalka (eARC):^{(HDMI Enhanced Audio Return Channel (eARC): )} e ARC waxay bedeshaa kanaalkii hore ee Soocelinta Maqalka^{(Audio Return Channel)} ( ARC ), siinta hagaajinta maqalka weyn ee qaybo badan oo isku xiran. Waxay taageertaa qaabab maqal-bitrate-sare ah ilaa 192kHz, 24-bit oo ah 5.1, 7.1, ama 32-kanaal maqal ah (oo ay ku jiraan Dolby Atmos ). Iyada oo e ARC , isticmaalayaashu waxay ku xidhi karaan dhammaan qalabka TV-gooda ka dibna waxay ku ordi karaan hal HDMI si ay u lumiyaan codka tayada sare leh, taas oo fududaynaysa dejinta. 

• Qiyaasta Dib-u- Celinta Isbeddelka ah (VRR):^{(Variable Refresh Rate (VRR): )} Mid ka mid ah astaamaha cusub ee ciyaaraha la xoojiyey, VRR waxay yaraynaysaa dib-u-dhac ku yimaadda shaashadda waxayna u oggolaanaysaa konsole-ga ciyaarta inuu u keeno fareemo sida ugu dhakhsaha badan ee uu awoodo. 
• Qaabka Daahista Aasaasiga ah (ALLM): ^{(Auto Low Latency Mode (ALLM): )}ALLM waxay si toos ah u dejisaa goobta ugu habboon ee daahitaanka iyadoo ku xidhan isha fiidyowga. Qalabka ciyaaraha lagu ciyaaro ama kombiyuutarada, qaabka daahitaanka hooseeya ayaa loo dejin doonaa si uu awood ugu yeesho daawashada dib-u-dhaca. Fiidiyowga, daahitaanka hooseeya waa la curyaami doonaa si tayada fiidyowga loo hagaajiyo. 
• Gaadiidka Qaab-dhismeedka Degdegga ah (QFT):^{(Quick Frame Transport (QFT): )} Qaab kale oo ciyaaraha ah, QFT waxay ka caawisaa dhimista daahitaanka iyadoo kordhinaysa xawaaraha fiilooyinka lagu qaado fiilada. Tani waxay yaraynaysaa dib u dhaca bandhigga waxayna wanaajisaa ka jawaabista. 

• Beddelka Warbaahinta Degdegga ah (QMS): ^{(Quick Media Switching (QMS): )}QMS waxay isticmaashaa tignoolajiyada VRR si ay u oggolaato isbeddellada degdegga ah ee u dhexeeya fiidiyowyada leh heerar kala duwan. Tani waxay gacan ka geysaneysaa baabi'inta mugdiga A/V ee ku caan baxay noocyadii hore ee HDMI . 
• Awoodda fiilada HDMI:^{(HDMI cable power: )} Xargaha HDMI 2.1 waxay ku wareejin karaan awoodda aaladaha la taageeray, taasoo la macno ah fiilo koronto oo gooni ah aan loo baahnayn. 

Macluumaad intaas ka badan, eeg bogga HDMI ee^{(HDMI specifications page)} ku qeexan HDMI.org. 

HDMI 2.1a ma mustaqbalka A/V?

HDMI waxay si dhakhso ah u noqotay interface-ka heerka A/V ee warshadaha. Marka la barbar dhigo is-dhexgalka kale^{(Compared with other interfaces)} sida DisplayPort , HDMI waxay taageertaa qalab aad u ballaaran. Laakin ma u baahan tahay inaad sida ugu dhakhsaha badan u cusboonaysiiso? 

Hadda, faa'iidada ugu weyn ee HDMI 2.1a waa taageerada fiidiyoowga sare iyo xallinta maqalka (sida in lagu ciyaaro 4K xallinta iyo 120Hz ee Sony Playstation 5 ama Xbox Series X ). Marka, ilaa aad u baahato 4K120 ama aad iibsatay 8K TV, waxaa jirta sabab yar oo aad isla markiiba u cusboonaysiin karto. 

What Is HDMI 2.1a and How Is It Different?

HDMI 2.1a is thе latest HDMI standard, ѕupporting higher video resоlutions, frame rates, and bandwidth capabilities. It also comes with a stack of new features which offer draѕtic improvements for gamers, including reduced screen lag and ѕtuttering. 

In this article, we’ll explain what HDMI 2.1a is and then dive into its features so you know what to expect from this new technology. 

What Is HDMI 2.1a?

High-Definition Multimedia Interface (HDMI) is one of the standard audio/video interfaces allowing video transmission from a source device to a display. 

With the expected release date earlier in 2022, HDMI 2.1a is HDMI’s new standard. It boasts a suite of upgrades, including support for higher resolutions, improved frame rates, HDR video, and much higher bandwidth capacity. 

HDMI 2.1a uses the same connector as previous HDMI versions and has backward compatibility. 

HDMI 2.1a is developed by the HDMI Forum, Inc., a group of 90 of the world’s leading electronics manufacturers, movie studios, test labs, and video service providers. HDMI 2.1a was announced at CES 2022. 

What Are the New Features of HDMI 2.1a?

HDMI 2.1a has a stack of new features that improve the quality of video and gaming, such as support for much higher resolutions and refresh rates. 

• Higher resolutions: HDMI 2.1a supports 8K 60Hz and 4K 120Hz, as well as 5K and 10K resolutions (for commercial AV). 
• Dynamic HDR: Dynamic High Dynamic Range (HDR) offers an increase in contrast and visual quality. HDMI 2.1a supports multiple formats for both static and dynamic HDR metadata, including HDR10+ (the dynamic version of HDR10). This is big news because unlike existing HDR formats such as Dolby Vision which are proprietary (meaning manufacturers need to pay licensing fees to use it), HDR10+ has no licensing fees. 
• Source-Based Tone Mapping (SBTM): Generally, tone mapping is performed by the display. SBTM is an HDR feature that uses the content source (such as the game console or computer) to perform the processing behind tone mapping. This helps the display perform better with varying SDR, HDR, and dynamic HDR inputs. 

• Ultra High-Speed HDMI Cable: The new HDMI 2.1 specification comes with a new cable specification that has an increased bandwidth capability of up to 48Gbps (up from 18Gbps with HDMI 2.0). 
• HDMI Enhanced Audio Return Channel (eARC): eARC replaces the previous Audio Return Channel (ARC), providing greater audio optimization for multiple connected components. It supports high-bitrate audio formats up to 192kHz, 24-bit in uncompressed 5.1, 7.1, or 32-channel audio (including Dolby Atmos). With eARC, users can connect all devices to their TV then run a single HDMI to their soundbar for lossless, high-quality audio, which simplifies setups. 

• Variable Refresh Rate (VRR): One of the new enhanced gaming features, VRR reduces screen lag and stutter for smoother gameplay by allowing the gaming console to deliver frames as fast as it can. 
• Auto Low Latency Mode (ALLM): ALLM automatically sets the ideal latency setting depending on the video source. For gaming consoles or computers, low latency mode will be set to enable lag-free viewing. For video, low latency will be disabled so that video quality is optimized. 
• Quick Frame Transport (QFT): Another gaming feature, QFT helps reduce latency by increasing the speed of transporting frames via the cable. This reduces the display lag and improves responsiveness. 

• Quick Media Switching (QMS): QMS uses VRR technology to allow instant changes between videos with different frame rates. This helps to eliminate A/V blackouts that were common with previous HDMI versions. 
• HDMI cable power: HDMI 2.1 cables can transfer power to supported devices, meaning a separate power cable is unnecessary. 

For more information, see the HDMI specifications page on HDMI.org. 

Is HDMI 2.1a The Future of A/V?

HDMI has quickly become the industry standard A/V interface. Compared with other interfaces like DisplayPort, HDMI supports a far wider range of devices. But do you need to upgrade as soon as possible? 

Right now, the main benefit of HDMI 2.1a is support for higher video and audio resolutions (such as being able to play at 4K resolution and 120Hz on a Sony Playstation 5 or Xbox Series X). So, unless you need 4K120 or you’ve bought an 8K TV, there’s little reason to upgrade immediately. 

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