Lumens Game
Lokacin da ake la'akari da siyan sayen bidiyon, mai yiwuwa tabbatattun bayyane cewa ka fahimci shine lambar lumens. Lumens ne ma'auni na yadda mayafin mai bidiyo zai iya fitowa. Tabbas, kamar yadda ya dace da wasu bayanan, lokacin da mai sana'a ya samar da lambar ƙayyadadden lumens, dole ne ku yi hankali kamar yadda babu wani daidaitattun da ake buƙata don amfani - saboda haka an bayyana iyayen Lumens da aka yi amfani da su guda ɗaya na masu gabatarwa bazai zama daidai ba kamar wata alama. Duk da haka, idan aka bayyana ma'anar lumens dangane da ANSI lumens, wannan misali ne na masana'antu wanda ya dace idan aka kwatanta nau'i biyu kuma dukansu suna amfani da ANSI a matsayin tunani.
Fitilar Fitilar Fitilarmu da Haske Shine
Duk da haka, akwai ƙarin la'akari da la'akari da yadda yawan haske mai bidiyo zai iya fitowa. Lokacin da aka bayyana alamar lumens guda ɗaya, abin da ake rubutu shine yadda Fitilar Hasken Light (WLO) ko Hasken Filaye, mai sarrafawa zai iya samarwa, ba duka jigilar haske lokacin da aka ɗauki launi. Alal misali, masarufi biyu na iya samun wannan ka'idar WLO guda ɗaya, amma haske mai launin launi (CLO), ko Ƙaƙwalwar Launi, na iya zama daban.
Ƙarƙashin Side-by-Side
Don kwatanta bambancin tsakanin launin ruwan fari da launi, hoton da ke sama ya nuna wani zanga-zangar gefe-gefe na tasirin launi akan bidiyon bidiyo, ko haske, fitarwa. Dukansu masu gabatar da hoto a cikin hoton suna da nauyin Kayan Firawa guda ɗaya amma sun bambanta a yawan Girman Launi suna iya tsarawa.
Dalilin da cewa akwai bambanci a cikin Launi Filaye daga cikin masu gabatarwa guda biyu shine mai ɗauka a gefen hagu yana amfani da zane-zane na DLP (1-chip) (Optoma GT750E), yayin da mai sarrafawa a dama ya yi amfani da zane na 3LCD (Epson PowerLight Home Cinema 750HD). Dukansu masu gabatarwa suna da nauyin nuni na asali ( 720p ) da kuma ANSI lumens WLO ƙayyadewa: 3,000. Ƙididdigar bambancin da aka kwatanta ga Optoma shine 3,000: 1 kuma an bayyana Epson a matsayin "har zuwa" 5,000: 1.
Duk da haka, kamar yadda kake gani, mai daukar hoto na dama ya bayyana yana da haske, karin launuka masu launi, da kuma cikakken haske, fiye da maɓallin mai hagu.
Yaya Hanya Fasahar Fasahar Fasaha Ta Shafar Haske Launi
Dalilin bambanci a ainihin nuna hotunan, wanda kuke gani a cikin hoton, an danganta shi ne da zane na biyu. Kwancen 3LCD yana ba da damar fararen haske da launi ta hanyar tabarau ta ci gaba, nunawa da kuma daidaitaccen nauyin Nauyin Fari da Launi. Duk da haka, a cikin zane na 1-Chip DLP , haske ya yi tafiya ta hanyar motar launi da aka raba zuwa ja, kore, da kuma zane-zane.
A tsarin tsarin DLP 1-chip, ana nuna launuka a lokaci ɗaya (a wasu kalmomi, idanunku ba su karɓar bayanin launi ba), wanda zai iya haifar da ƙarancin fitilu mai haske, dangane da samar da haske mai haske. Don ramawa saboda wannan, mabudin DLP 1-guntu sau da yawa suna ƙara wani ɓangare na farin zuwa launi na launi domin bunkasa Yayin Brightness, amma gaskiyar ya kasance cewa ƙimar Girman Ƙaƙwalwa ba ta da Ƙari Bright.
Wannan bambanci ba a bayyana shi ta hanyar masu sana'a ba a bayanin su. Abin da kuka fi gani sau da yawa shine ƙayyadaddun fitarwa na Lumens, maimakon haka wanda zai bada jerin bayanai biyu ƙayyadaddun lumens, daya don WLO (Fitilar Light Output) kuma ɗaya don CLO (Maɓallin Ƙaƙwalwar Launi), wanda ke samar da cikakken bayanin yadda yake da haske mai launi mai sarrafawa zai iya samar da shi.
A wani ɓangare, masu kwakwalwa na 3LCD sun yi amfani da madaurin / madubi (babu wani motsi mai motsi) tare da haɗin da aka raba don kowane launi na farko (ja, guri, blue), don haka duka fararen da launi suna zuwa ido. Wannan yana haifar da daidaiton launin fari da launi.
A matsayin hanyar kai tsaye ta fasahar da aka yi amfani da su don yin hotunan hotunan daga kowane mai amfani da na'urar da aka yi amfani da su a cikin hoton da ke sama, don mai daukar hoto na DLP 1-hagu a hagu domin samar da haske mai haske a matsayin mai kwakwalwa na 3LCD a dama, yana bukatar samun yawa Mafi Girman Ƙarfin Samun Ƙarƙashin Light Light fiye da maɓallin lantarki a hannun dama - wannan yana nufin firgita 1-Dhip din DLP dole ne yayi amfani da hasken wutar lantarki mafi girma, da kuma ƙara yawan amfani da wutar lantarki.
Karshe na ƙarshe - Me yasa haske mai haske yana da mahimmanci
Kamar yadda zaku gani ta misalin hoto a saman shafin, Girma Brightness yana da tasiri a kan abin da kuke gani akan allon. Wannan yana da mahimmanci ba ma kawai don duba gidan wasan kwaikwayo ba, amma don kallo a ɗakuna inda fuskar haske na ciki zai iya zama sauƙin sarrafawa, kallon 3D, inda hasara mai haske idan aka duba ta tabarau na 3D yana da mahimmanci, kuma ga wadanda da suke amfani da masu bidiyon bidiyo a cikin ilimi, kasuwanci, ciki har da tafiya, inda za'a iya amfani da na'ura a ɗakunan wurare inda ba a san inda ba'a iya gani ba.
Har ila yau, ƙara haske mai launi yana ƙãra fahimtar bayanan da ke cikin hoton, ba tare da la'akari da nuni ba. Abin da kawai zai iya shawowa lokacin da haske ya karu shine matakan bambanci. Duk da haka, akwai wasu abubuwan sarrafawa na bidiyo da zasu iya rinjayar wannan sakamakon.
Don ƙarin cikakkun bayanai game da Girman Binciken Ƙaƙwalwar Ƙira, koma zuwa Sanarwa na Ƙaƙwalwar Ƙaƙwalwa da Fuskantar Fuskar Fari Na Fata.
Har ila yau, don kwatanta Ƙaƙwalwar Bugawa ta musamman don zaɓar masu bidiyon bidiyo, bincika Maɓallin Ƙari Mai Mahimmanci na Maɗaukaki.
Don ƙarin bayani game da Lumens da Brightness, da kuma yadda yadda fitowar bidiyon bidiyo ya danganta da fitowar fitowar TV, koma zuwa abokiyar abokinmu: Nits, Lumens, da Brightness - TVs vs Video Projectors .