A (nyuag) keeb kwm ntawm video conferencing
Jul 10, 2017
Nws yog ib daim ntawm technology uas yog ib handedly revolutionizing txoj kev uas peb ua hauj lwm, ua lag ua luam muas thiab kev sib txuas lus nrog rau ib leeg. Video conferencing yog yeej ua peb lub neej zoo dua thiab peb ntiaj chaw mob.
Muaj coob tus neeg tawm muaj yuav xav hais tias video conferencing yog ib tug tshiab kuj tswvyim, tiam sis nws yog nyob rau hauv lub sixties hais tias cov technology sawv. Yuav ua li cas puas tau video conferencing pib?
Nws twb xub qhia rau cov pej xeem nyob rau xyoo 1964 lub ntiaj teb Fair nyob rau hauv New York. Nws yog haum txheej thaum ub piv rau niaj hnub no txoj kev cai thiab cov neeg feem coob twb aghast nyob rau notion hais tias xws li ib tug invention yuav tejzaum nws hloov hauv xov tooj. Cov khoom yog kim heev, lawm thiab nws twb tsis suav tias yog ib tug kawm tau zoo.
Cov neeg tsis tau paub tag nrho raws li qhov ntawm video conferencing nyob rau hauv cov hnub, los yog puas muaj ntau yam txaus siab hais tias lawv raug pom nws, txhua txhua lub lim tiam nyob rau hauv lawv tus kheej TV poob lawm los ntawm 1966. Yog, peb nyob nraum tham 'Star Trek.' Cov loj loj video screen uas tso cai rau tus tauj ncov loj Kirk mus hais lus rau thiab saib cov crews nyob rau lwm lub intergalactic ships yog ib daim ntawv ntawm video conferencing. Tab sis yog hais tias yog yav tom ntej ...
Nyob rau hauv 1970, US telecoms lub tuam txhab, AT & T launched rau Picturephone tab sis nyob rau hauv $ 160 tauj ib lub hlis, nws yog tseem kim heev thiab heev loj ntxias tau txais kev pab. Tej yam uas hloov thaum Ericsson pom thawj nyob video hu xov tooj; cov lag luam pib pom lub peev xwm rau xws li ib tug ntaus ntawv.
Nyiv muaj los ntawm lub sij hawm no (1976) twb muaj ib tug muaj kev vam meej video hu ntawm Tokyo thiab Osaka thiab nyob rau hauv 1982, IBM Nyiv coj lub kauj ruam tom ntej: siv lawv nrog peevxwm los txuas nrog lug txhawb cov miv nyob rau hauv lub US rau txhua lub limtiam cov rooj sib tham.
Txawm li cas los, cov technology yog tseem kim heev thiab raws li lub eighties pib, kab qev los ib leeg yuav raug nqi $ 1,000 tauj ib teev, vim tus loj heev system kev pab yuav tsum tau faiv fab nws. Nyob rau hauv 1982, lub landmark Compression no-piv system raug nqi $ 250,000. Yuav 1986, Txawm li cas los, ib tug rival system los ntawm PictureTel retailed ntawm $ 80,000. Tus nqi raug xa me nyuam rov.
Lub nineties 'txaav nyob rau hauv Internet raws tu qauv meant tias video conferencing yuav ntxiv ua ntej, ua ntau npaum thiab uas PC-raws li kev sib txuas lus. IBM (dua) nkag tau rau thawj dub thiab dawb PC system ntawm $ 20,000 nyob rau hauv 1991. Tib lub xyoo, keeb kwm tau ua thaum DARTnet kev cob cog rua 12 cais qhov chaw. Qhov no technology tseem tshwm sim niaj hnub no.
Nyob rau hauv 1992, lub cu-SeeMe systems twb launched, khiav rau cov kua Macs. Nws twb tsim ntxiv thoob plaws hauv lub chav kawm ntawm lub xyoo caum, tab sis yog tsuas khiav ntawm cov neeg siv nyob rau hauv tib network.
