Nbufe anya
Ebe ọ bụ na 2000, na mmepe nke nkwurịta okwu technology, ngwa anya fiber nkwurịta okwu apụtawo ngwa anya modul nnyefe technology, na mgbe 2002, digital nnyefe HDMI audio na video mgbaàmà ngwaahịa apụtawokwa na ubi nke n'ji ngwá electronic.Na April 2002, Hitachi, Panasonic, Philips, Silicon Image, Sony, Thomson, Toshiba ụlọ ọrụ asaa jikọrọ ọnụ guzosie ike na HDMI elu-definition multimedia interface interface nzukọ, HDMI nnyefe na-ekewa n'ime elu-ọsọ mgbaàmà nnyefe na ala-ọsọ mgbaàmà nnyefe akụkụ abụọ. : 1-12 ụkwụ nke 12 4 ụzọ abụọ nke eriri na-ebufe akara ọsọ ọsọ, na-eji teknụzụ akara ngosi dị iche iche TMDS (TMDS (Time Minimized) nke Silicon Image Differential Signal chepụtara) na-ebelata teknụzụ nnyefe dị iche iche nnyefe, TMDS bụ usoro mgbaama dị iche, na-eji. ụdị nnyefe dị iche iche, nke bụ ụkpụrụ bụ isi nke teknụzụ HDMI, na nnyefe ngwa anya HDMI: a na-ebufe 4 ụzọ abụọ nke eriri 12 TMDS site na 4 VCSEL + 4 multimode optical fibers, nke nwere ike dozie nsogbu nke nnyefe ọsọ ọsọ.
N'ime ọwa mgbasa ozi dị ala nke HDMI, ntụtụ 13-19 na HDMI nwere eriri eletrọnịkị 7: ọkụ ọkụ 5V, HPD hot-swap na-arụ ọrụ CEC, ịntanetị, SDA, SCA, ọwa DDC.Mkpebi ngosi kachasị mkpa na-agụ ọwa DDC: ọ bụ iwu nke interface I2C na isi iyi HDMI ịgụ E-EDID na njedebe nnata.I2C, mkpụmkpụ maka Integrated Circuit Bus, bụ ụgbọ ala nzikọrịta ozi nke na-eji ihe owuwu ọtụtụ nna ukwu-ohu.Onye mmalite nke I2C bụkwa otu n'ime ndị guzobere HDMI nzukọ: Philips Semiconductor.
A na-ejikarị eriri HDMI jikọọ akụrụngwa ihe onyonyo na TV na ihe nleba anya, yabụ na ọtụtụ n'ime ha na-ebufe obere oge, na-abụkarị naanị mita atọ n'ogologo;Kedu ihe ndị ọrụ kwesịrị ime ma ọ bụrụ na ha chọrọ ihe karịrị mita 3?Ọ bụrụ na ị na-aga n'ihu na-eji waya ọla kọpa, dayameta nke waya ọla kọpa ga-ebuwanye ibu, ọ ga-esi ike ịkụda, ọnụ ahịa ga-adịkwa elu.Ya mere, ụzọ kachasị mma bụ iji eriri anya.HDMI AOC ngwakọ ngwakọ USB ngwaahịa bụ n'ezie ngwaahịa nke teknụzụ nkwekọrịta, ebumnuche mbụ na mmepe kwesịrị ịbụ na eriri HDMI 19 niile bụ nnyefe eriri anya, nke bụ ezigbo nnyefe eriri anya HDMI, mana n'ihi na eriri 7 nke obere - ọwa ọsọ na-eji VCSEL + multimode eriri obere mgbama ngbanwe na ngbanwe siri ike karị, naanị onye nrụpụta naanị akara ngosi dị elu na ụzọ abụọ nke TMDS ọwa 4 gaa na VCSEL + multimode fiber nnyefe, wires elektrọn 7 fọdụrụ ka ejiri ọla kọpa jikọọ ozugbo. wireAchọpụtara na mgbe ejiri eriri anya bufee mgbama dị elu, n'ihi ndọtị nke anya nnyefe akara TMDS, eriri anya HDMI AOC nwere ike ibunye ya na mita 100 ma ọ bụ karịa.
Optical fiber HDMI AOC ngwakọ cable n'ihi na obere-ọsọ mgbama ka na-eji ọla kọpa waya nnyefe, a na-edozi nsogbu nke elu-ọsọ mgbaama, na nsogbu nke ala-ọsọ mgbaama ọla kọpa na-adịghị edozi, ya mere, ọ na-adịkarị mfe dị iche iche ndakọrịta. nsogbu na nnyefe ogologo.Enwere ike idozi ihe niile a kpamkpam ma ọ bụrụ na HDMI na-eji ngwọta teknụzụ ngwa anya niile.All-optical HDMI na-eji 6 optical fibers, 4 na-ebufe akara ngosi ọwa TMDS dị elu, 2 na-ebufe HDMI mgbama dị ala, na ike 5V dịpụrụ adịpụ chọrọ na njedebe ngosi RX dị ka voltaji na-akpali akpali maka nkwụnye ọkụ HPD.Mgbe emechara ihe ngwọta ngwa anya niile, HDMI, ọwa TMDS dị elu na ọwa DDC dị ala na-agbanwe ka ọ bụrụ nnyefe eriri anya, na ebe nnyefe na-akawanye mma.
Nkwado maka nkọwapụta protocol
Ọ bụ ezie na eriri ọla kọpa ngwakọ ngwakọ emewo ka nnyefe na-enweghị atụ nke nrịbama dị anya na elu dị elu, a ka nwere teknụzụ nke na-edozi ịdị adị nke waya ọla kọpa dị ka onye na-eduzi nnyefe, ya bụ, eriri ngwa anya HDMI 2.1 dị ọcha, HDMI 2.1 pure optical active cable (AOC) na-akwado nke ọma na ọkọlọtọ HDMI 2.1, nnyefe mgbaàmà na-eji eriri anya, enweghị waya ọla kọpa, nnyefe ngwa anya anaghị adabere na nnyonye anya electromagnetic.AOC nnyefe akara bụ uncompressed, kacha bandwit bụ 48Gbps, nwere ike n'ụzọ zuru okè na-ebufe 8K ultra-elu-definition onyunyo, ogologo nnyefe anya nwere ike iru 500m.E jiri ya tụnyere waya ọla kọpa ọdịnala, eriri fiber optic a dị ogologo, dị nro, dị ọkụ karị, nwere àgwà mgbama ka mma yana njirimara ndakọrịta elektrọn zuru oke.Ná mmalite nke afọ, HDMI Association maka HDMI Cable asambodo ule nkọwa maka a isi update, ọhụrụ DMI Passive Adapter asambodo ule atụmatụ, n'oge gara aga n'okpuru Ultra High Speed HDMI USB nkọwa nkọwa, na mgbakwunye na ga-akwado HEAC ọrụ, eriri ejiri na-ebufe HEAC ka kwesịrị iji waya ọla kọpa nweta asambodo, ọ bụrụ na ọ na-eji eriri anya zuru oke, enweghị ike ị nweta ya, yana ọrụ Premium High Speed HDMI HEAC n'okpuru nkọwapụta eriri bụ nkwado nhọrọ, mgbe mmelite nkọwapụta a ghọchara. nhọrọ mbụ maka atụmatụ ule nke eriri AOC USB niile n'oge a, eriri HDMI emechaala n'ihu ọha, ugbu a, a na-ekwu na nnyefe eriri HDMI na eriri ngwakọ ngwakọ (AOC) na nnyefe ngwa anya niile ka mma, n'ezie, tumadi dabere na-eri arụmọrụ na ngwa ahịa ikpebi, onye ọ bụla nwere nke ya uru
Oge nzipu: Jul-17-2023