Kodi TV yanu ndi yotani?
Chifukwa cha mphamvu zamagetsi komanso kutentha kwa dziko lonse nthawi zonse, otsatsa TV akudzipangitsa kuti akuwonjezekedwe kuti apereke chithunzi chawo ndi zisangalalo pamene akugwiritsa ntchito mphamvu zochepa.
Kufika kwa mbadwo watsopano wa 4K (wotchedwanso UHD) , komabe, akuwoneka kuti akuchititsa ojambulawo kale kuti ali ndi mutu waukulu wa eco, ndi lipoti latsopano loti ma TV 4K amagwiritsa ntchito mphamvu zoposa 30% kuposa HD .
Chochititsa chidwi ichi chowoneka chotsutsana ndi chiwerengero cha ma TV 4K omwe akulowetsa ku nyumba za ku America kumapeto kwa 2016 ndipo mukhoza kuyang'ana kuwonjezeka kwa ndalama zowonjezera madola oposa biliyoni.
Kafukufuku
Gulu loyang'anira lipoti lochititsa chidwi, The Natural Resources Defense Council (NRDC), silinangotulutsa chiwerengero cha mpweya wochepa, wosafunikira kunena. Inayesa kugwiritsa ntchito mphamvu za ma TV 21 - poyang'ana pa kukula kwa masentimita 55, chifukwa panopa ndikutenga kwakukulu kwa 4K TV - pamtundu wosiyanasiyana wa opanga ndi ndondomeko za mtengo, komanso kutenga deta kuchokera pazomwe zilipo pa TV za UHD TV ntchito. Malingaliro ake akuti ndi mabanja angati omwe ali ndi ma TV 4K, panthawiyi, akutsatiridwa pa kusanthula mafano enieni a malonda a TV.
Kufufuza mwatsatanetsatane pazinthu zomwe zimapereka malipoti, zinatengedwa ngati mfundo yoyamba yakuti pali ma TV pafupifupi mamiliyoni 300 omwe akupezeka kale m'nyumba za US. Kenaka izi zikuphatikizapo chiwerengerochi ndi magetsi ake 4K omwe amagwiritsa ntchito magetsi kuti aone zomwe zikanati zichitike ngati padzakhala makasitomala ochuluka kuchokera ku 36-inch ndi ma TV akuluakulu kupita ku TV za UHD, ndipo anafika pa maola 8 bilowatt oposa mphamvu zamagetsi kudziko lonse. Izi zimagwirizana ndi mphamvu zambiri katatu kuposa momwe San Francisco yonse imagwiritsira ntchito pachaka.
Kuwonongeka kwa kuipitsidwa
NRDC inaonjezeranso kuti maola okwana mabiliyoni 8 a kilowatt akhoza kuthera kupanga matani oposa mamiliyoni asanu a kuwonongeka kwa mpweya.
Zowonjezera ku chiwerengero cha NRDC, nachonso, ndiko kusinthika kwa zisankho za 4K UHD zikutsogolera ku kugulitsa ma TV ochuluka kwambiri. Gawo limodzi mwa magawo atatu a ma TV omwe amagulitsidwa masiku ano ali, pafupifupi, masentimita 50 mu kukula - ndipo ndizosavuta kuti ma TV aakulu akudya mphamvu zambiri. Ndipotu, malinga ndi a NRDC amayesa ma TV akuluakulu akuwoneka ngati akuwotcha magetsi ambiri kuposa firiji!
Monga momwe kuwonjezeka kwa mphamvu yogwiritsira ntchito mphamvu chifukwa cha 4K kunalibe vuto, NRDC imanenanso kuti zinthu zikuipiraipira ndi kufika kwapamwamba zamakono opanga TV (HDR).
Zotsatira za HDR
Kufotokozera kwathunthu kwa HDR kungapezeke pano , koma mwachidule lingaliro lomwe liri kumbuyo kwake ndilokuti limakupatsani inu kuyang'ana kanema ndi kuunika kwowonjezereka kowonjezereka - zomwe zimakhala zofunikira kwambiri kuti zigwiritse ntchito mphamvu zambiri kuchokera pa TV yanu chifukwa cha kuunika kwowonjezera.
Nyerere za NRDC zimasonyeza kuti kuwonera kanema mu HDR kudya mphamvu pafupifupi 50% kuposa kuyang'ana kanema womwewo muyeso yodabwitsa.
Panthawiyi ndikuona kuti ndikuyenera kuti ndiwonongeke kuti anthu opanga TV athandiza kwambiri pazaka zaposachedwapa pokhudzana ndi kuchepetsa mphamvu ya ma TV awo, ndipo sindikukayikira kuti kupititsa patsogolo kukupangidwira pamene akukhala odziwa 4K, makamaka HDR.
Zomwe mungachite
NRDC yokha imanena mu magawo otsiriza a lipoti lake kuti pali kale zinthu zomwe mungachite pamene mugula ndi kugwiritsa ntchito TV 4K yatsopano kuti muchepetse nkhawa zakumwa kwa magetsi. Nsonga zazikuluzikulu zomwe mumapereka ndizoti mumagwiritsa ntchito makina opanga TV, pomwe chithunzithunzi chimadzikonza chokha poyankha kuunika kwa chipinda chanu; kuti mumayang'ana ma TV omwe adapeza mayina a Energy Star; ndi kuti mumapewe kuyamba mwamsanga njira zina za ma TV.
Monga chithunzi cha khalidwe la chithunzithunzi cha TV ndili ndi nkhaŵa za momwe chidziwitso chathu cha AV chikhoza kukhudzidwa ndi zovuta za mphamvu zomwe zimawoneka zopweteka kwambiri kupatsidwa momwe dziko la AV lapindulira kuti likhale lobirira masiku ano. Koma panthawi imodzimodzi ndikuganiza tonsefe timafuna mabanki amphamvu ndi pulaneti yathanzi, chabwino ?!