Kwatanta HDMI da DisplayPort

HDMI shine mafi mashahuri na dubawa don canja wurin bayanan bidiyo na dijital daga kwamfuta zuwa mai saka idanu ko TV. An gina shi a cikin kusan kowace kwamfyutocin zamani da kwamfuta, TV, saka idanu, har ma da wasu na'urorin hannu. Amma yana da ƙarancin ƙwararren ɗan gasa - DisplayPort, wanda, a cewar masu haɓaka, yana iya nuna kyakkyawan hoto a kan hanyoyin haɗin da aka haɗa. Yi la’akari da yadda waɗannan ka'idodi suka bambanta kuma wanne ne mafi kyau.

Abinda ya nema

Matsakaicin mai amfani an bada shawarar da farko don mai da hankali ga waɗannan abubuwan:

• Yarda da sauran masu haɗin gwiwa;
• Darajar kudi;
• Tallafin sauti. Idan ba haka ba ne, to don aiki na yau da kullun dole ne ka sayi naúrar kan gaba;
• Yankin wani nau'in mai haɗawa. Portarin tashoshin ruwa na yau da kullun suna da sauƙin gyara, musanyawa, ko ɗaukar igiyoyi a gare su.

Masu amfani waɗanda ke da fasaha tare da kwamfuta suna buƙatar kula da waɗannan abubuwan:

• Yawan zaren da mai haɗin ke tallafawa. Wannan siga kai tsaye ya dogara da yawan masu saka idanu na iya haɗa haɗin kwamfutar;
• Matsakaicin iyakar USB da ingancin watsawa a kanta;
• Matsakaicin matakin goyan baya na abubuwan da aka watsa.

Nau'in Mai Haɗawa don HDIMI

Siffar HDMI tana da fil 19 don watsa hoto kuma ana samarwa cikin nau'ikan nau'i huɗu:

• Nau'in A shine mafi yawan mashahurin wannan haɗin, wanda ake amfani dashi a kusan dukkanin kwamfutoci, televisions, monitors, laptops. Mafi girma "zaɓi";
• Nau'in C - ƙaramin juyi wanda galibi ana amfani dashi a cikin littattafan yanar gizo da kuma wasu samfuran kwamfyutocin kwamfyutoci da Allunan;
• Nau'in D nau'in ƙarami ne na kayan haɗin da ake amfani da shi a cikin ƙananan kayan aiki - wayowin komai da ruwan, Allunan, PDAs;



• An tsara nau'in E na musamman don motoci, yana ba ku damar haɗa kowane na'ura mai ɗaukuwa zuwa kwamfutar da ke kan jirgin. Yana da kariya ta musamman game da canje-canje a cikin zafin jiki, matsin lamba, zafi da rawar jiki da injin ya samar.

Nau'in Mai Haɗawa don DisplayPort

Ba kamar mai haɗin HDMI ba, DisplayPort yana da ƙarin lamba ɗaya - lambobi 20 ne kawai. Koyaya, adadin nau'ikan da nau'ikan masu haɗin haɓaka ba su da yawa, amma bambance-bambancen da ake samu sun fi dacewa da fasahohin dijital daban-daban, ba kamar mai yin gasa ba. Waɗannan nau'ikan masu haɗin suna samuwa a yau:

• DisplayPort babban haɗi ne wanda ke shigo cikin kwamfyutoci, kwamfyutoci, da televisions. Mai kama da A-type a cikin HDMI;
• Mini DisplayPort karamin sigar tashar tashar jiragen ruwa ne wanda za'a iya samu akan wasu kwamfyutoci masu karamin karfi, allunan. Halayen fasaha sun fi kama da nau'in haɗin haɗin C akan HDMI

Ba kamar tashoshin tashar HDMI ba, DisplayPort yana da maɓallin kulle musamman. Duk da cewa masu haɓaka DisplayPort basu nuna a cikin takaddun shaida ga samfurin su abu game da saita kulle azaman na wajibi ba, masana'antun da yawa suna ba da tashar jiragen ruwa tare da shi. Koyaya, manufacturersan masana'antun ne kawai ke shigar da toshe akan Mini DisplayPort (galibi, shigar da wannan injin akan irin wannan ƙaramar haɗin bashi da amfani).

Kebul na HDMI

An karɓi mafi sabuntawa ta ƙarshe ga igiyoyi don wannan mai haɗawa a ƙarshen 2010, saboda abin da aka sanya wasu matsaloli game da kunna fayilolin sauti da bidiyo. Ba a siyar da igiyoyin tsofaffin kayayyaki ba cikin shagunan, amma saboda Filin tashar tashar jiragen ruwa ta HDMI ita ce ta fi yawa a duniya, wasu masu amfani na iya samun wayoyi da yawa, wanda kusan ba zai yiwu a rarrabe su da sababbi ba, wanda zai iya haifar da wasu karin matsaloli.

Waɗannan nau'ikan igiyoyi don masu haɗin HDMI da ake amfani dasu a yanzu:

• HDMI Standard shine mafi yawan nau'ikan USB wanda zai iya tallafawa watsa bidiyo tare da ƙuduri ba fiye da 720p da 1080i ba;
• HDMI Standard & Ethernet sune kebul ɗin guda ɗaya dangane da ƙayyadaddun bayanai kamar na baya, amma tallafawa fasahar Intanet;



• HDMI mai sauri - wannan nau'in kebul ya fi dacewa ga waɗanda ke aiki da fasaha tare da zane-zane ko kuma son kallon fina-finai / kunna wasanni a ƙudurin Ultra HD (4096 × 2160). Koyaya, tallafin Ultra HD na wannan kebul ba shi da ƙima, saboda abin da yawan kunna bidiyo zai iya sauka har zuwa 24 Hz, wanda ya isa don kallon bidiyon mai gamsarwa, amma ingancin wasan kwaikwayon zai zama gurgu sosai;
• HDMI da Ethernet mai sauri - duk iri ɗaya ne da na analog daga sakin layi na baya, amma a lokaci guda ƙara tallafi don 3D-bidiyo da haɗin Intanet.

Duk igiyoyi suna da aiki na musamman - ARC, wanda ke ba ku damar watsa sauti tare da bidiyo. A cikin samfuran zamani na igiyoyin HDMI, akwai goyan baya ga fasahar ARC mai cikakken ƙarfi, don a iya watsa sauti da bidiyo ta hanyar kebul ɗaya, ba tare da buƙatar haɗa ƙarin kawunan kai ba.

Koyaya, a cikin tsoffin igiyoyi, wannan fasaha ba a aiwatar da wannan fasaha. Kuna iya kallon bidiyon kuma ku ji sauti a lokaci guda, amma ingancinsa ba koyaushe zai zama mafi kyau ba (musamman lokacin da ake haɗa kwamfuta / kwamfyutoci zuwa TV). Don gyara wannan matsalar, dole ne ku haɗa adaftar audio ta musamman.

Yawancin igiyoyi an yi su ne da tagulla, amma tsawonsu bai wuce mita 20 ba. Don watsa bayanai a cikin mafi nisa, ana amfani da waɗannan ƙananan ƙananan kebul:

• CAT 5/6 - an yi amfani da shi don yada bayanai sama da nisan mil 50. Bambanci a cikin juyi (5 ko 6) baya taka rawa ta musamman a cikin inganci da nesa na canja wurin bayanai;
• Coaxial - yana ba ku damar canja wurin bayanai a nesa na mita 90;
• Fiber optic - da ake buƙata don watsa bayanai a nesa na 100 mita ko fiye.

Kewaya don nunawaPort

Akwai nau'in USB guda ɗaya kawai, wanda a yau yana da sashi na 1.2. Abubuwan iya amfani da kebul na DisplayPort sun dan kadan sama da HDMI. Misali, kebul na USB yana da ikon watsa bidiyon tare da ƙuduri pixel 3840x2160 ba tare da wata matsala ba, yayin da ba asarar ingancin sake kunnawa ba - ya kasance kyakkyawa (aƙalla 60 Hz), kuma yana tallafawa watsa bidiyo na 3D. Koyaya, yana iya samun matsala tare da watsa sauti, as babu ginannen ARC, haka ma, waɗannan igiyoyin na DisplayPort basa goyan bayan hanyoyin Intanet. Idan kuna buƙatar watsa bidiyo da abun ciki a lokaci guda ta hanyar kebul ɗaya, to, zai fi kyau zaɓi HDMI, saboda don DP dole ne ya daɗa sayo lasifikan sauti na musamman.

Wadannan wayoyi suna iya yin aiki tare da taimakon masu adaftar da suka dace, ba kawai tare da masu haɗin DisplayPort ba, har ma HDMI, VGA, DVI. Misali, igiyoyi na HDMI na iya aiki tare da DVI ba tare da matsaloli ba, don haka DP ya fifita mai fafatawarsa ta hanyar dacewa da sauran masu haɗin gwiwa.

DisplayPort yana da nau'ikan kebul masu zuwa:

• M. Tare da shi, zaku iya canja wurin hoto azaman pixels 3840 × 216, amma don komai ya yi aiki a iyakar matsakaici (60 Hz - manufa), kuna buƙatar samun tsayin USB wanda ba zai wuce 2 mita ba. Kebul ɗin da ke da tsayi a cikin kewayon daga 2 zuwa 15 mita na da ikon iya yin sabunta bidiyon 1080p kawai ba tare da asara a cikin ƙimar firam ba ko 2560 × 1600 tare da ɗan hasara kaɗan a cikin adadin firam (kamar 45 Hz daga 60);
• Mai aiki Yana da ikon watsa hoton bidiyo na 2560 × 1600 pixels a nesa nesa har zuwa mita 22 ba tare da asarar ingancin sake kunnawa ba. Akwai canji da aka yi da fiber optic. A game da ƙarshen, ƙarshen watsawa ba tare da asarar inganci yana ƙaruwa zuwa mita 100 ko fiye.

Hakanan, igiyoyi na DisplayPort suna da tsayin daka don amfanin gida, wanda basa iya wuce mita 15. Gyare-gyare ta hanyar nau'ikan wayoyi masu fiber optic, da sauransu. DP ba ya yin haka, don haka idan kuna buƙatar canja wurin bayanai ta hanyar USB a kan nisan mil 15, to ko dai ku sayi igiyoyi na musamman ko amfani da fasahohin yin gasa. Koyaya, igiyoyin DisplayPort suna amfana daga karfinsu tare da sauran masu haɗin haɗi kuma a cikin canja wurin abun ciki na gani.

Waƙoƙi don sauti da abun ciki na bidiyo

A wannan gaba, masu haɗin HDMI suma sun rasa saboda ba su goyi bayan yanayin multithreaded don bidiyo da abun ciki ba, saboda haka, fitowar bayanai zai yiwu ne a kan mai saka idanu guda ɗaya. Wannan ya isa sosai ga matsakaicin mai amfani, amma don ƙwararrun rsan wasa, masu shirya bidiyo, masu hoto da zane-zanen 3D wannan bazai isa ba.

DisplayPort yana da fa'ida a cikin wannan al'amari, kamar yadda fitowar hoto a cikin Ultra HD mai yiwuwa ne a kan masu saka idanu guda biyu. Idan kana buƙatar haɗa 4 ko fiye da masu saka idanu, to lallai ne ka ƙasƙantar da ƙuduri na duka zuwa duka ko HD kawai. Hakanan, sauti zai zama fitarwa daban don kowane mai saka idanu.

Idan kun yi aiki da fasaha tare da zane-zane, bidiyo, abubuwa-3D, wasanni ko ƙididdiga, to, ku kula da kwamfyutoci / kwamfyutocin tare da DisplayPort. Mafi kyawu yanzu, sayi na'ura tare da masu haɗin haɗin guda biyu a lokaci daya - DP da HDMI. Idan kai mai amfani ne na yau da kullun wanda baya buƙatar wani abu "kan" daga kwamfutar, to zaka iya tsayawa akan ƙira tare da tashar tashar HDMI (irin waɗannan na'urori, a matsayin mai araha, masu rahusa).