Hais txog qhov Dolby TrueHD Surround suab hom
Dolby TrueHD yog ib qho ntawm ob peb lub suab tawm suab tsim los ntawm Dolby Labs siv nyob rau hauv tsev ua yeeb yam.
Tshwj xeeb, Dolby TrueHD tuaj yeem yog ib feem ntawm lub suab ntawm Blu-Ray Disc thiab HD-DVD programming cov ntsiab lus. Txawm hais tias HD-DVD raug txiav tawm hauv 2008, Dolby TrueHD tau tswj xyuas nws qhov chaw nyob hauv Blu-Ray Disc hom ntawv, tab sis nws qhov kev sib tw ncaj qha los ntawm DTS hu ua DTS-HD Master Audio , feem ntau yog siv.
Dolby TrueHD tuaj yeem txhawb nqa txog 8 raws ntawm suab ntawm 96Khz / 24 cov khoom (uas yog feem ntau siv), lossis mus txog rau 6 raws suab ntawm 192kHz / 24 khoom (96 los sis 192kHz nruab nrab cov qauv sampling , thaum 24 khoom nruab nrab lub suab ntsis qhov tob). Blu-Ray Discs uas muaj xws li Dolby TrueHD muaj peev xwm xaiv cov kev xaiv ua suab paj nruag 5.1 los yog 7.1 channel, ntawm tus yeeb yam studio txoj kev pom zoo.
Dolby TrueHD kuj txhawb kev hloov cov ntaub ntawv mus txog 18 xuab moos (los ua qhov no rau hauv kev xav - rau audio, uas yog ceev ceev!).
Txoj Kev Lossless
Dolby TrueHD (as Well as DTS-HD Master Audio), yog raug xa mus rau cov ntaub ntawv Tsis Txov Lossless. Qhov no txhais tau hais tias yog tsis zoo li Dolby Digital, Dolby Digital EX, los sis Dolby Digital Plus , thiab lwm cov suab tawm digital, xws li MP3, ib qho kev sib txuam yog siv ua haujlwm uas tsis muaj qhov tsis zoo ntawm qhov tseem ceeb, thiab qhov koj hnov thaum koj ua cov ntsiab lus rov qab.
Hauv lwm cov lus, tsis muaj ntaub ntawv los ntawm cov ntaub ntawv tseem ceeb yog pov tseg thaum lub sijhawm txheej txheem ntawm kev sau ntawv Cov lus uas koj xav tau yog cov ntsiab lus creator, los yog tus kws kho ua haujlwm uas siv lub suab nrov ntawm Blu-ray disc, xav kom koj hnov (tau kawg, qhov zoo ntawm koj lub tsev ua yeeb yaj kiab audio system kuj plays ib feem).
Dolby TrueHD encoding txawm tias yog tsis siv Dialog Normalization los ntsuas qhov nruab nrab ntawm cov chaw nruab nrab nrog koj tus neeg hais lus teeb (nws tsis yog ib txwm ua haujlwm zoo ces koj tseem yuav tsum tau ua kom muaj kev sib ntxiv hauv kev hloov channel ntxiv yog tias lub dialog tsis sawv tawm zoo ).
Nkag mus rau Dolby TrueHD
Dolby TrueHD Pib ntsais koj teeb tuaj yeem hloov ntawm Blu-Ray Disc neeg ua si hauv ob txoj kev.
Ib txoj kev yog hloov lub Dolby TrueHD encoded nyob rau hauv, uas yog compressed, ntawm HDMI (ver 1.3 los yog tom qab ) txuas nrog lub tsev ua yeeb yam hauv tsev uas muaj lub hauv built-in Dolby TrueHD decoder. Thaum qhov teeb meem tau hais lawm, nws kis los ntawm tus neeg tuaj yeem txais cov amplifiers mus rau qhov tseeb tham.
Qhov thib ob txoj kev hloov ntawm Dolby TrueHD teeb liab yog los ntawm kev siv lub Blu-duab Disc Disc player los txiav suab ntawm teeb liab ntxiv rau hauv (yog hais tias tus neeg uas ua ntawv muab qhov kev xaiv no) thiab ces dhau lub teeb tawm suab ncaj qha mus rau ib qho chaw ua yeeb yam hauv tsev ua lub teeb liab PCM ntawm HDMI, los sis, ntawm ib qho ntawm 5.1 / 7.1 channel analog audio sib txuas , yog qhov kev xaiv ntawd muaj nyob rau ntawm tus neeg uas ua ntawv. Thaum siv qhov kev xaiv 5.1 / 7.1 analog, tus receiver tsis tau ua dua lwm lo lus los yog kev ua - nws tsuas yog kis ntawm lub teeb liab rau cov amplifiers thiab tham.
Tsis yog txhua tus Blu-duab Disc players muab qhov qub hauv Dolby TrueHD hais txog kev xaiv - qee tus tsuas yog muab kev tshaj sab hauv ob lub suab, es tsis tag nro 5.1 lossis 7.1 channel cim tau qhov muaj peev xwm.
Tsis zoo li Dolby Digital thiab Digital EX suab paj nruag tawm suab, Dolby TrueHD (undecoded los yog seev suab) tsis tuaj yeem hloov los ntawm Digital Optical los yog Digital Coaxial audio sib txuas uas feem ntau siv los nkag Dolby thiab DTS puag ncig lub suab ntawm DVDs thiab qee cov video streaming video. Yog vim li cas rau qhov no yog tias muaj ntau cov ntaub ntawv, txawm nyob rau hauv daim ntawv sau tawm, rau cov kev txuas kev txuas kom haum raws li Dolby TrueHD.
Ntxiv rau Dolby TrueHD Siv
Dolby TrueHD yog siv rau hauv txoj hauv kev xws li yog tias koj lub tsev ua yeeb yam hauv tsev tsis txhawb nws, lossis yog tias koj siv cov kev sib txuas / digital sib txuas qhov uas tsis muaj HDMI rau suab, lub neej ua ntej Dolby Digital 5.1 soundtrack tau plays.
Tsis tas li ntawd, ntawm Blu-Ray discs uas muaj Dolby Atmos cov suab paj nruag, yog tias koj tsis muaj lub Dolby Atmos-tau tshaj tawm hauv tsev ua yeeb yam, xws li Dolby TrueHD los yog Dolby Digital soundtrack. Yog hais tias qhov no tsis ua tiav cia, nws tuaj yeem raug xaiv ntawm playback zaub mov ntawm Blu-ray Disc. Nyob rau hauv qhov tseeb, nws yog nthuav kom nco ntsoov tias Dolby Atmos metadata yog tiag muab tso rau hauv lub Dolby TrueHD lub teeb liab kom rov qab compatibility yog yooj yim dua accommodated.
Rau tag nrho cov lus qhia txog kev tsim thiab kev siv ntawm Dolby TrueHD, kos tawm ob lub ntawv dawb ntawm Dolby Labs Dolby TrueHD Lossless Audio Performance thiab Dolby TrueHD Coding Rau Yav Tom Ntej Kev Lom Zem .