Cov ntaub ntawv sau tseg hauv DVD - koj yuav tsum paub dab tsi
Txij li thaum hloov los ntawm analog rau digital TV broadcasting hauv 2009 , thiab qhov kev sib txuas ntawm cable cov chaw muab kev pabcuam qhov kev pabcuam analog , nws tau dhau los siv lub DVD recorder los sau koj cov yeeb yam thiab cov tsos rau hauv disc. Tsis tas li, nrog rau cov teeb meem tiv thaiv kev tiv thaiv , koj tsis tuaj yeem txiav txim siab seb yuav sau koj li cas hauv high school.
DVD Cov Ntaub Ntawv thiab HDTV
Koj tuaj yeem sau tsis tau TV yeeb yaj duab thiab ua yeeb yaj kiab mus rau DVD hauv high definition siv lub DVD recorder. Yog vim li cas nws yooj yim zoo nkauj - DVD tsis yog lub ntsiab lus txhais siab , thiab cov ntaub ntawv teev cia cov ntawv teev tseg thiab cov yeeb yaj duab siv rau qhov kev txwv - tsis muaj "HD DVD recorder" muaj.
Kev daws teeb meem ntawm DVD hom ntawv, txawm tias nws yog qhov muag los yog hauv tsev kaw tseg , nws yog 480i (qauv daws teeb meem) . Discs yuav ua si rov qab rau hauv 480p ntawm ib cov neeg soj ntsuam scan DVD player los yog upscaled rau 720p / 1080i / 1080p rau cov DVD players (zoo li thaum rov ua si hauv Blu-Ray Disc neeg uas ua ntawv). Txawm li cas los xij, lub DVD tsis hloov, nws tseem muaj cov duab kaw hauv cov qauv txhais.
DVD Recorders thiab HDTV Tuners
Yuav kom ua raws li niaj hnub no cov kev cai HDTV, ntau cov DVD recorder muaj nruab nrog ATSC (aka HD los yog HDTV) tuners. LUS CEEB TOOM: Qee cov dv tawm DVD yog cov yeeb yaj kiab, uas yuav tsum muaj qhov sib txuas mus rau lwm tus tuner lossis cable / satellite box kom tau txais cov kev pabcuam TV.
Txawm li cas los xij, muaj ib tug ntes. Txawm tias lub DVD Recorder yuav muaj qhov ATSC tuner built-in los yog txuas nrog ib tus neeg sab nraud uas muaj peev xwm txais tau HDTV teeb liab, cov kaw tseg DVD yuav tsis nyob hauv HD. Cov teebmeem HDTV uas tau txais los ntawm cov DVD recorder nrog sab hauv lossis sab nraud ATSC tuners yuav raug muab txo rau cov qauv txhais rau cov ntaub ntawv teev DVD.
Ntawm qhov tod tes, ntau cov DVD recorders tau muaj peev xwm ua kom tiav, ntawm kev sib txuas ntawm HDMI , rau kev ua si. Qhov no txhais tau hais tias yog koj kaw HDTV qhov kev pabcuam hauv koj lub DVD recorder hauv tus qauv txhais, koj yuav muaj peev xwm ua kom rov ua tau zoo dua qub yog tias cov DVD recorder muaj peev xwm ntawd. Txawm hais tias upscaling tsis ua rau qhov tseeb txhais, lub DVD yuav zoo dua li yog tias koj rov qab ua tus txheej txheem daws teeb meem.
Cov cuab yeej nkaus xwb uas tau teev tseg thiab playback HDTV lub cajmeem hauv high definition hauv Teb Chaws Asmeskas yog HD-DVRs (aka "HD Recorders"), xws li cov uas muab los ntawm TIVO, thiab cov chaw pabcuam Cable / Satellite. Rau cov sij hawm luv luv, D-VHS VCRs , uas tau ua los ntawm JVC feem ntau, tau muaj peev xwm teev tau cov ntsiab lus ntawm HD los ntawm daim ntawv VHS hom, tab sis tau tawm ntawm ntau xyoo lawm.
DVD Recorders nrog Nyuaj Drives
Txawm hais tias koj tsis tuaj yeem sau rau hauv high definition rau DVD, muaj cov DVD Recorder / Hard Drive Combo units uas tso cai rau koj sau cov HDTV program hauv HD daws teeb meem, thiab, yog tias koj rov qab ua koj cov ntaubntawv pov tseg, koj tuaj yeem saib nws hauv HD. Txawm li cas los xij, cov ntawv luam uas koj ua tau los ntawm lub zog tsav mus rau DVD (tshwj xeeb ntawm cov ntaub ntawv tiv thaiv kev tiv thaiv), yuav raug txo rau cov txheej txheem daws teeb meem.
AVCHD
Ib hom ntawv uas tso cai rau high definition txhais kom raug sau rau ntawm tus txheem DVD disc lossis MiniDVD disc yog AVCHD (Advanced Video Codec High Definition) .
AVCHD yog ib lub ntsiab lus (high-definition) yees duab (video) uas txhawb cov ntaubntawv povthawj 1080i thiab 720p cov teebmeem video rau mini DVD discs, miniDV daim kab xev, cov tsav nyuaj, lossis cov koob yees duab ntawm cov koob yees duab, siv cov ntaub ntawv zoo li MPEG4 (H264 )
AVCHD tau tsim los ntawm Matsushita (Panasonic), thiab Sony Corporation. AVCHD cov ntaub ntawv ua rau MiniDVD discs yuav rov qab ua rau cov tub ntxhais kawm ntawv Blu-ray disc . Txawm li cas los, lawv tsis tuaj yeem ntaus rov qab rau tus qauv DVD players. Tsis tas li ntawd, tus qauv DVD recorders tsis nruab rau cov ntaub ntawv DVDs hauv AVCHD hom, uas txhais tau tias koj siv tsis tau nws los sau koj cov HDTV lossis HD cable / satellite programs.
Blu-Ray Disc Cov Ntaub Ntawv
Vim nws tsis tau siv lub DVD recorder los sau cov HDTV cov kev pab cuam hauv siab txhais mus rau DVD, koj yuav xav tias Blu-txoj kab yog lo lus teb. Tom qab tag nrho, Blu-Ray tshuab txhawb nqa high definition video txias.
Txawm li cas los xij, tsis muaj kev pabcuam hauv Blu-Ray Discs nyob rau hauv Tebchaws Asmeskas thiab ob peb yam uas tau txais los ntawm "kev txawj" tsis muaj peev xwm kaw cov kev pabcuam TV lossis cov yeeb yaj kiab hauv kev txhais tau tias " t muaj HD tuners, los yog lawv tsis muaj HDMI inputs rau cov ntaubntawv povthawj siab hauv kev txhais tawm sab nraud lwm HD cable / satellite thawv.
Yog xav paub ntxiv txog kev siv thiab kev siv Blu-ray Disc recorders hauv Tebchaws Asmeskas, xa rau peb tus khub niam txiv: Tshaj tawm ntawm Blu-Ray Disc Recorders nyob qhov twg?
Lub Kab Hauv Qab
Cov kev pabcuam TV, txawm yog los ntawm kev tshaj tawm, cable, lossis xa mus rau sab nraud, nws yeej tsis muaj kev txwv ntau hnub, thiab ua haujlwm rau hauv high-txhais nrog cov DVD recorder yog tsis-tawm-rau-lo lus nug.
Tiv thaiv koj cov ntaub ntawv tiv thaiv txog kev tiv thaiv, koj yuav tsum khaws cia koj cov HD cov kev pab cuam hauv cov qauv txhais ntawm DVD, los yog ntawm ib ntus cia hauv HD ntawm DVR hom kev xaiv, xws li TIVO, Zaub mov, DirecTV, lossis xaiv OTA (tshaj-tus-cua ) DVRs los ntawm cov tuam txhab xws li Channel Master , Saib TV, thiab Mediasonic ( TIVO kuj ua rau OTA DVR ).
Tsis tas li ntawd, nco ntsoov tias thaum txuas tus HDTV tuner sab nrauv, cable / satellite lub thawv los yog DVR rau DVD recorder, tus recorder tsuas muaj kev sib txuas , thiab, qee zaum, S-video , ob qho tib si uas tsuas yog siv cov lus daws teeb meem analog Pib ntsais koj teeb.
Koj muaj qhov xaiv los txiav txim siab rau daim ntawv txiav txim siab txog DVD lossis HD luam ib ntus ntawm DVR. Txawm li cas los xij, nrog DVR sai los sis tom qab koj tus tsav nyuaj yuav sau thiab koj yuav tsum txiav txim siab seb qhov kev pab cuam twg rho tawm los ua chaw rau ntau dua.
Ntawm chav kawm, lwm qhov kev xaiv yog cia li ua ntaub ntawv teev suab TV pom zoo rau nws thiab xaiv qhov kev yoojyim ntawm video-on-demand thiab internet streaming kom los siav koj lub TV tshaib plab.