Dolby TrueHD yog ib qho ntawm ntau lub suab ib puag ncig tsim los ntawm Dolby Labs rau siv hauv tsev ua yeeb yam.
Dolby TrueHD yog muaj rau siv nyob rau hauv lub suab ntawm Blu-duab tshav Disc thiab HD-DVD programming cov ntsiab lus. Txawm hais tias HD-DVD raug txiav tawm hauv xyoo 2008, Dolby TrueHD tau khaws nws qhov muaj nyob hauv Blu-duab tshav Disc hom, tab sis nws cov neeg sib tw ncaj qha los ntawm DTS, hu ua DTS-HD Master Audio, feem ntau siv.
Dolby TrueHD kuj tseem muaj rau siv ntawm Ultra HD Blu-ray discs.
Dolby TrueHD Specifications
Dolby TrueHD tuaj yeem txhawb nqa txog 8 raws ntawm lub suab ntawm 96 Khz / 24 khoom (uas yog feem ntau siv), lossis txog li 6 lub suab ntawm 19 2kHz / 24 ntsis.kHz sawv cev rau tus nqi piv txwv, thiab cov khoom sawv cev rau lub suab qhov tob. Dolby TrueHD kuj tseem txhawb nqa cov ntaub ntawv hloov pauv ceev txog li 18mbps.
Blu-duab tshav thiab Ultra HD Blu-duab tshav Discs uas suav nrog Dolby TrueHD tuaj yeem sawv cev rau 6 thiab 8 txoj kev xaiv channel raws li 5.1 lossis 7.1 channel soundtrack, ntawm cov yeeb yaj kiab qhov kev txiav txim siab.
Channel faib yog pem hauv ntej sab laug / sab xis, pem hauv ntej chaw, ncig sab laug / sab xis, thiab lub subwoofer yog siv 5.1 raws. 7.1 channel version muab ntxiv ib puag ncig rov qab sab laug / sab xis.
Tus Lossless Factor
Dolby TrueHD (nrog rau nws cov neeg sib tw DTS-HD Master Audio), raug xa mus rau Lossless Audio hom.
Qhov no txhais tau li cas yog qhov-tsis zoo li Dolby Digital, Dolby Digital EX, lossis Dolby Digital Plus, thiab lwm yam suab digital xws li MP3-ib hom kev compression yog ua haujlwm uas ua rau tsis muaj kev poob hauv lub suab zoo ntawm qhov qub., raws li tau sau tseg, thiab qhov koj tau hnov thaum koj ua si cov ntsiab lus rov qab.
Hais lwm txoj kev, tsis muaj cov ntaub ntawv los ntawm cov ntaub ntawv qub raug pov tseg thaum lub sijhawm txheej txheem encoding. Qhov koj hnov yog qhov tus tsim cov ntsiab lus, lossis tus kws tshaj lij uas paub lub suab seev rau Blu-duab tshav disc, xav kom koj hnov. Qhov zoo ntawm koj lub tsev ua yeeb yam suab kaw suab kuj ua ib feem.
Dolby TrueHD encoding kuj suav nrog tsis siv neeg Dialog Normalization txhawm rau pab txhawm rau ntsuas qhov nruab nrab ntawm cov channel nrog rau koj tus hais lus teeb tsa. (Nws tsis yog ib txwm ua haujlwm zoo yog li koj tseem yuav tau ua qhov chaw nruab nrab ntawm theem hloov kho yog tias kev sib tham tsis ua haujlwm.)
Nkag mus rau Dolby TrueHD
Dolby TrueHD cov teeb liab tuaj yeem hloov pauv los ntawm Blu-duab tshav lossis Ultra HD Blu-duab tshav Disc player hauv ob txoj hauv kev.
- Ib txoj hauv kev yog hloov lub Dolby TrueHD encoded bitstream, uas yog compressed, ntawm HDMI (ver 1.3 los yog tom qab) txuas nrog lub tsev ua yeeb yam receiver uas muaj built-in Dolby TrueHD decoder. Thaum lub teeb liab tau txiav txim siab, nws tau dhau los ntawm lub receiver lub amplifiers mus rau cov neeg hais lus raug.
- Txoj kev thib ob los hloov lub teeb liab Dolby TrueHD yog los ntawm kev siv Blu-duab tshav lossis Ultra HD Blu-duab tshav Disc player los txiav txim siab lub teeb liab sab hauv. Cov teeb liab txiav txim siab yog tom qab ntawd xa ncaj qha mus rau lub tsev ua yeeb yam hauv tsev ua lub teeb liab PCM ntawm HDMI, lossis ib txheej ntawm 5.1/7.1 channel analog suab sib txuas. Thaum siv HDMI lossis 5.1/7.1 analog kev xaiv, tus txais tsis tas yuav ua ib qho kev txiav txim siab ntxiv lossis kev ua haujlwm - nws tsuas yog hla lub teeb liab mus rau amplifiers thiab hais lus kom koj tuaj yeem mloog cov suab paj nruag raws li xav tau.
Tsis yog txhua tus Blu-duab tshav Disc players muab tib yam hauv Dolby TrueHD kev txiav txim siab xaiv; qee qhov tsuas yog muab kev txiav txim siab hauv ob-channel, tsis yog tag nrho 5.1 lossis 7.1 channel decoding peev xwm.
Tsis zoo li Dolby Digital thiab Digital EX puag ncig lub suab tawm tswv yim, Dolby TrueHD tsis tuaj yeem hloov pauv los ntawm Digital Optical lossis Digital Coaxial audio sib txuas, uas feem ntau siv los nkag rau Dolby thiab DTS ib puag ncig lub suab los ntawm DVDs thiab qee cov ntsiab lus streaming video. Yog vim li cas rau qhov no yog tias muaj cov ntaub ntawv ntau dhau, txawm tias nyob rau hauv daim ntawv compressed, rau cov kev xaiv kev sib txuas kom haum Dolby TrueHD.
Daim duab hauv qab no qhia txog qhov koj tuaj yeem xaiv qhov kev xaiv Dolby TrueHD ntawm Blu-duab tshav Disc yog tias muaj.
Dolby TrueHD tau ua raws li txoj hauv kev uas, yog tias koj lub tsev ua yeeb yaj kiab tsis txhawb nqa nws, lossis yog tias koj siv digital optical / coaxial txuas es tsis txhob HDMI rau suab, lub neej ntawd Dolby Digital 5.1 soundtrack tau txais. ua si rau koj.
Dolby TrueHD thiab Dolby Atmos
Ntawm Blu-duab tshav lossis Ultra HD Blu-duab tshav discs uas muaj Dolby Atmos suab paj nruag, yog tias koj tsis muaj Dolby Atmos-compatible home theater receiver, xws li Dolby TrueHD lossis Dolby Digital soundtrack tuaj yeem nkag mus. Yog tias qhov no tsis ua tiav, nws tseem tuaj yeem xaiv los ntawm cov ntawv qhia zaub mov ntawm qhov cuam tshuam Blu-duab tshav Disc.
Dolby Atmos metadata tau muab tso rau hauv Dolby TrueHD teeb liab kom rov qab sib raug zoo tau yooj yim dua.
Rau txhua cov ntsiab lus qhia txog kev tsim thiab kev siv ntawm Dolby TrueHD, tshawb xyuas ob daim ntawv dawb los ntawm Dolby Labs:
