Blu Ray vs DVD Player
Muaj ntau qhov tsis meej pem ntawm lub ncauj lus no vim tias kev hloov pauv ib txwm nyuaj rau tib neeg. Kev khaws cia cov ntsiab lus nplua nuj siv los ua ib txoj cai tshwj xeeb thiab tom qab ntawd VHS tau nrov los cia koj khaws koj cov yeeb yaj kiab uas koj nyiam saib dua. Nws tsis yog qhov nrov vim tias siv VHS tsis zoo li ntawd. Tom qab ntawd peb tau zoo nrog CDs, thiab peb muaj ntau CDs khaws ib zaj yeeb yaj kiab nrog peb thiab ua si hauv CD player. Thaum kawg, CDs tau hloov los ntawm DVDs nrog lub peev xwm siab dua thiab peb tuaj yeem khaws cov yeeb yaj kiab tiav hauv ib DVD. Tam sim no peb muaj Blue Ray Discs nrog lub peev xwm ntau dua kom peb tuaj yeem khaws cov yeeb yaj kiab HD daws teeb meem hauv ib lub disc. Raws li koj tau pom, qhov evolution yuav tsum tau tshwm sim vim qhov kev txwv loj. Cia peb tham txog cov txheej txheem ntawm ob tus players no kom koj nkag siab qhov sib txawv zoo.
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Dab tsi yog qhov txawv ntawm Blu Ray Player thiab DVD Player? • DVD nyeem los ntawm lub laser liab, uas muaj lub wavelength ntawm 650nm, thaum Blue Ray discs raug nyeem los ntawm Blue laser, raws li lub npe muaj lub wavelength ntawm 405nm. • DVDs muaj peev xwm ntawm 4.7GB hauv ib txheej txheej txheej thiab 8.7GB yog tias nws yog ob txheej txheej. Blue Ray Discs, ntawm qhov tod tes, tuaj yeem khaws cia txog 25GB hauv ib txheej thiab yuav luag 50GB yog tias nws yog ob txheej txheej. • DVD Players tsuas tuaj yeem ua DVDs thaum Blue Ray Players tuaj yeem ua si BR Discs thiab DVDs. |
Zaj lus
Ob lub discs zoo ib yam thiab qhov tseeb lawv zoo ib yam hauv kev tsim lub cev, thiab. Dab tsi txawv lawv yog laser tshuab. Lub disc muaj grooves nyob rau hauv qab txheej uas yog siv los khaws thiab nyeem cov ntaub ntawv. Txij li thaum cov DVDs siv lub laser liab uas muaj qis dua wavelength, cov grooves yuav tsum muaj ntau qhov chaw nyob nruab nrab. Tias yog vim li cas nws tsuas tuaj yeem khaws cia txog 4.7GB. Nyob rau hauv tsis tooj, Blue Ray Discs siv lub xiav laser nrog ib tug luv luv wavelength thiab yog li, cov grooves yuav thinner thiab qhov chaw nyob rau hauv nruab nrab yog tsawg tshaj li ntawm cov DVDs. Nyob rau hauv layman cov ntsiab lus, peb tuaj yeem tsom lub laser mus rau hauv ib cheeb tsam me me nyob rau hauv rooj plaub ntawm Blue Ray Discs thaum nws tsis yog cov ntaub ntawv nrog DVDs uas ua rau muaj peev xwm sib txawv ntawm qhov chaw cia. Vim li no, BRD tuaj yeem tso ntau qhov grooves thiab yog li muaj ntau qhov chaw cia. Tsis tas li ntawd, txheej tiv thaiv hauv BRD yog nyias dua li DVD, tab sis vim nws muaj cov ntaub ntawv ntau ntxiv, txheej ua rau nws khawb ntau dua li DVDs.
