HDMI ita ce fasaha ta hanyar fasaha ta zamani wanda aka juya daga baya zuwa hotuna, bidiyon da jihohi. Yau shine zaɓi mafi yawan watsawa kuma ana amfani dashi a kusan dukkanin sarrafawa, inda aka samar da kayan bidiyo - daga wayoyin hannu zuwa kwakwalwa ta sirri.
Game da HDMI
Tashar jiragen ruwa tana da lambobi 19 a duk bambancin. Har ila yau, an haɗa mai haɗin zuwa nau'in iri, bisa abin da kake buƙatar saya USB da ake buƙata don shi. Waɗannan nau'o'i suna samuwa:
- Mafi yawan kuma "babba" shine nau'in A da B, wanda za'a iya samuwa a cikin keken sauti, kwakwalwa, kwamfyutocin tafiye-tafiye, consoles na wasanni, telebijin. Ana buƙatar nau'in B don ƙarin watsawa;
- C-type shi ne ƙarami version na tashar jiragen ruwa na baya, wanda ake amfani dashi a cikin netbooks, Allunan, PDAs;
- Rubuta D - yana da matukar wuya, saboda yana da ƙaramin girman dukkan tashoshin jiragen ruwa. An yi amfani dashi a cikin kananan allunan da wayowin komai da ruwan;
- Nau'in E-type - tashar jiragen ruwa tare da irin wannan alamar yana da kariya na musamman daga ƙura, damshin, zafin jiki, saukowa, da tasiri. Saboda yanayinsa, ana shigar da shi akan kwakwalwa a kan motoci da kayan aiki na musamman.
Za'a iya bambanta nau'ukan jeri iri daban-daban daga juna ta hanyar bayyanar ko ta alama ta musamman a cikin nau'in harafin Latin (babu duk tashar jiragen ruwa).
Tsawon bayani tsawon waya
Don amfani da mabukaci, ana sayar da igiyoyi na HDMI zuwa mita 10 na tsawon lokaci, amma ana iya samunsu zuwa mita 20, wanda ya isa ga mai amfani da yawa. Ƙananan masana'antu, cibiyoyin bayanai, kamfanonin IT suna iya sayan igiyoyin 20, 50, 80 kuma har fiye da mita 100 don bukatun su. Don yin amfani da gida, kada kayi amfani da kebul "tare da gefe", zai zama zaɓi mai yawa don mita 5 ko 7.5.
Ana yin cables don yin amfani da gida musamman na jan ƙarfe na musamman, wanda sauƙin ɗaukar sigina a cikin nesa. Duk da haka, akwai dogara ga ingancin haifuwa a kan nau'in jan ƙarfe wanda aka sanya ta USB, da kuma kauri.
Alal misali, samfurori daga ƙarfe mai mahimmanci, mai suna "Standard", yana da kusan 24 AWG lokacin farin ciki (wannan yankin giciye ne daidai da kimanin 0.204 mm2) zai iya watsa siginar a nesa na ba fiye da mita 10 a cikin ƙudurin 720 × 1080 pixels tare da nauyin refresh na 75 MHz. Kyakkyawar kwatankwacin, amma an yi amfani da fasahar High High (za'a iya samun siginar High Speed) tare da kauri na 28 AWG (0.08 mm a fadin)2) ya riga ya iya aikawa da sigina kamar 1080 × 2160 pixels tare da mita 340 MHz.
Yi hankali ga mita na sabunta allon a kebul (an nuna shi cikin takardun fasaha ko aka rubuta akan kunshin). Don samun jin dadi na bidiyo da wasanni, ido na mutum yana bukatar 60-70 MHz. Saboda haka, biyan lambobi da ingancin siginar fitarwa ya zama dole ne kawai a lokuta idan:
- Likitanka da goyon bayan katin bidiyo na 4K kuma kuna son amfani da damar su 100%;
- Idan kun kasance masu sana'a don yin gyare-gyaren bidiyo da / ko 3D.
Gudun da ingancin watsa siginar ya dogara da tsawon, saboda haka yana da kyau saya USB tare da gajeren lokaci. Idan saboda wasu dalilai kana buƙatar samfurin da ya fi tsayi, ya fi kyau ka kula da zaɓuɓɓuka tare da alamar da ake biyowa:
- CAT - ba ka damar aika da siginar a kan nesa na mita 90 ba tare da wani rikici ba a cikin inganci da mita. Akwai wasu samfurori da aka rubuta a cikin takamaiman cewa matsakaicin iyakar sigina na iyakar mita 90 ne. Idan kun sami irin wannan samfurin a ko'ina, ya fi kyau ku ki saya, tun da alama siginar zai sha wahala. Wannan alamar tana da sifofin 5 da 6, wanda har yanzu yana da kowane alamar wasika, wannan nauyin ba zai taɓa rinjayar halaye ba;
- Kebul da aka yi ta hanyar fasaha ta dace shine tsarin da mai gudanarwa na tsakiya kuma mai jagorar waje, wanda aka raba shi ta hanyar mai launi. Ana gudanar da hako mai tsabta. Tsawancin tsawo na wannan kebul zai iya isa mita 100, ba tare da asarar inganci ba kuma sake rawar bidiyo;
- Kebul na fira mai filaƙi shine mafi kyawun tsada da mafi kyau ga waɗanda suke buƙatar canja wurin bidiyon da abun jin murya a nisa nesa ba tare da asarar inganci ba. Samun a cikin ɗakunan ajiya na iya zama da wuya, tun da yake ba a cikin buƙatar gaske ba saboda wasu ƙayyadadden bayanai. Mai yiwuwa don watsa siginar zuwa nesa na mita 100.
Harsunan HDMI
Mun gode wa haɗin gwiwar manyan kamfanonin IT guda shida, an saki HDMI 1.0 a shekarar 2002. Yau, kusan dukkanin cigaba da ingantawa na wannan mai haɗin kai ya haɗa da kamfanin Silicon Image na Amurka. A shekara ta 2013, mafi yawan zamani ya fito - 2.0, wanda bai dace da wasu sigogi ba, don haka yana da kyau saya USB na USB na wannan sigar kawai idan kun tabbata cewa tashar jiragen ruwa a kan kwamfutar / TV / saka idanu / sauran kayan aiki kuma yana da wannan fasalin.
Kayan sayen da aka ba da shawarar shine 1.4, wanda aka saki a 2009, saboda yana dace da sifofin 1.3 da 1.3b, waɗanda aka saki a 2006 da 2007 kuma sun fi kowa. Shafin 1.4 yana da wasu gyare-gyare - 1.4a, 1.4b, wanda kuma ya dace da 1.4 ba tare da gyare-gyare, 1.3, 1.3b ba.
Iri iri na 1.4
Tunda wannan shine samfurin sayarwa da aka ba da shawarar, la'akari da shi a cikin dalla-dalla. A cikakke akwai nau'o'i biyar: Standard, High Speed, Standard tare da Ethernet, High Speed tare da Ethernet da Standard Automotive. Yi la'akari da kowane ɗayansu a cikin dalla-dalla.
Standard - dace da haɗi da gida mara amfani da kayan aiki. Tana goyon bayan ƙwaƙwalwar 720p. Yana da halaye masu zuwa:
- 5 Gbit / s - matsakaicin tasha mai lamba bandwidth;
- 24 rami - iyakar launi zurfin;
- 165 MP - matsakaicin iyakar izinin mita.
Daidaitan tare da Ethernet - yana da halaye masu kama da analog ɗin daidaitacce, kawai bambancin shine cewa akwai goyon baya don haɗin Intanit wanda zai iya canja wurin bayanai a gudun da ba ta wuce 100 Mbps a cikin wurare biyu.
High Speed ko High Speed. Yana da goyan bayan fasaha mai zurfi, 3D da ARC. Wajibi ne a yi la'akari da wannan dalla-dalla. Saƙo mai ba da labari - damar, tare da bidiyon don watsawa da sauti a cikakke. A baya can, don cimma kyakkyawar sauti mai kyau, alal misali, a kan gidan talabijin wanda aka haɗa da kwamfutar tafi-da-gidanka, ya zama dole a yi amfani da ƙaramin kai. Matsakaicin iyakacin iyaka shine 4096 × 2160 (4K). Bayanai masu zuwa yanzu suna samuwa:
- 5 Gbit / s - matsakaicin tasha mai lamba bandwidth;
- 24 rami - iyakar launi zurfin;
- 165 MP - matsakaicin iyakar izinin mita.
Akwai gudunmawar sauri da goyon bayan Intanet. Hanyoyin canja wurin Intanit kuma 100 Mbps.
Tsararrarar mota ta atomatik - ana amfani da shi a cikin motoci kuma za'a iya haɗa shi kawai zuwa nau'in E-type HDMI. Bayani dalla-dalla na wannan iri-iri suna kama da daidaitattun sifa. Abinda ya keɓance shi ne ƙaramiyar kariyar kariya da tsarin ARC-haɗin ginin, wadda ba a cikin waya mai daidaituwa ba.
Janar shawarwari don zaɓi
Ana yin tasiri a cikin layin ba kawai ta hanyar halayenta ba, kayan aikin sana'a, har ma da haɓakar ginin, wanda ba'a rubuta a ko'ina kuma yana da wuya a ƙayyade a kallon farko. Yi amfani da waɗannan matakan don ajiye dan kadan kuma zaɓi zaɓi mafi kyau. Jerin shawarwari:
- Akwai kuskuren yaudara cewa ɗakuna da lambobin zinariya sune suna ɗaukar siginar mafi kyau. Wannan ba lamari ba ne. Ana amfani da gilding don kare lambobin sadarwa daga danshi da kuma magunguna. Saboda haka, ya fi dacewa da zaɓar masu jagora tare da nickel-plated, caca-plated ko kuma na gyare-gyare na titanium, tun da sun samar da kariya mafi kyau kuma suna da rahusa (sai dai ruban gyare-gyare). Idan ka yi amfani da kebul a gida, ba sa hankalta don saya USB tare da ƙarin kariya ga lambobin sadarwa;
- Wadanda suke buƙatar aika da siginar a kan nisa fiye da mita 10 ana ba da shawara su kula da kasancewa da maimaita sake ginawa don ƙarfafa siginar, ko don saya amplificateur na musamman. Yi hankali ga yankin giciye (auna a AWG) - ƙananan darajarta, mafi kyau siginar za a watsa su a nesa;
- Ka yi kokarin saya igiyoyi tare da kariya ko kariya ta musamman a cikin nau'i na bullar cylindrical. Ana tsara shi don tallafawa kyakkyawar watsawa nagari (yana hana tsangwama) ko da maɗaurori masu mahimmanci.
Don yin zabi mai kyau, dole ne ka kula da duk halayen kebul da tashar tashar HDMI. Idan kebul da tashar jiragen ruwa ba su daidaita ba, kuna buƙatar ko saya adaftan na musamman ko gaba daya maye gurbin kebul.
