Hauv kev sib tham hauv tsev ua yeeb yam, koj feem ntau pom cov ntsiab lus hauv qab no pov tseg: Dolby Digital 5.1, Dolby Digital EX (6.1), Dolby TrueHD 5.1 lossis 7.1, DTS 5.1, DTS-ES (6.1), DTS-HD Master Audio 5.1 lossis 7.1, lossis PCM 5.1 lossis 7.1. Tab sis lawv txhais li cas?
Dolby thiab DTS yog cov npe uas tso cai rau lawv cov suab encoding thev naus laus zis rau ntau lub tuam txhab hluav taws xob. Tus lej tom qab lub npe hom yog hais txog hom suab kaw lus uas lub cuab yeej lossis cov xov xwm raug formatted rau. Cov tshuab no suav nrog lub suab ib puag ncig, lub tsev ua yeeb yam hauv tsev, DVD / Blu-duab tshav player thiab discs, thiab lwm yam khoom siv.
5.1 Channel txhais li cas?
thawj tus lej hauv, piv txwv li, "Dolby 5.1," yog hais txog cov xov tooj uas lub tsev ua yeeb yam tuaj yeem muab tau. Nws kuj tseem tuaj yeem xa mus rau cov xov tooj uas muaj nyob hauv cov yeeb yaj kiab, TV, lossis cov suab nkauj video. Nws yog ntau dua rau cov tshuab los txhawb 5, 6, lossis 7 raws, tab sis qee lub tshuab muaj ntau li 9 lossis 11 channels.
Tus lej thib ob hauv qhov tshwj xeeb yog hais txog ib qho kev sib cais uas tsuas yog rov tsim cov zaus tsawg heev. Cov channel ntxiv no yog Cov Teebmeem Tsawg-Frequency (LFE) channel. LFE yog qhov tseem ceeb rau cov yeeb yaj kiab suab paj nruag, vim lawv muab cov suab nrov nrov, tab sis lawv kuj tseem ceeb heev rau cov suab paj nruag siab.
Ib qho LFE channel yuav tsum tau siv lub subwoofer uas yog tsim los tsim dua cov zaus tsawg heev. Lawv feem ntau txiav tawm tag nrho cov frequencies saum toj no qee qhov taw tes-feem ntau yog cov nyob hauv thaj tsam ntawm 100HZ txog 200HZ.
kab hauv qab
Txawm hais tias.1 qhov kev xaiv yog qhov kev xaiv ntau tshaj plaws rau LFE channel, qee lub tsev ua yeeb yam tau txais 7.2, 9.2, 10.2, lossis txawm tias 11.2 raws. Lub.2 cov lus txhais tau tias cov receivers muaj ob lub subwoofer outputs. Koj tsis tas yuav siv ob qho tib si, tab sis nws tuaj yeem pab saturate chav loj nrog nplua nuj, bass-hnyav teb. Nws kuj tseem yuav pab tau thaum siv lub subwoofer nrog lub zog tsawg dua qhov tso zis zoo.
The Dolby Atmos Factor
Dolby Atmos-enabled home theatre receivers thiab surround sound systems muaj ntau lub npe. Lawv feem ntau sau tias yog 5.1.2, 5.1.4, 7.1.2, lossis 7.1.4.
Nyob hauv lub ntiaj teb no ntawm Dolby Atmos, thawj tus xov tooj yog hais txog cov tsoos 5 lossis 7 channel kab rov tav hais lus layout, thiab tus lej thib ob yog hais txog lub subwoofer. Tab sis tus lej thib peb yog hais txog ntau npaum li cas ntsug lossis "qhov siab" raws qhov system muaj. Cov channel no yog xa tawm los ntawm lub qab nthab-mounted lossis vertically firing hais lus.
Puas yog.1 Channel Xav Tau Lub Suab Suab?
No. Lub.1 channel thiab subwoofer tsim cov zaus tsawg heev, tab sis ntau lub suab nrov hauv pem teb ua rau cov lus teb zoo bass. Koj tuaj yeem teeb tsa koj lub tsev ua yeeb yam hauv tsev kom xa cov zaus qis mus rau sab laug thiab sab xis cov neeg hais lus tseem ceeb tsis yog lub subwoofer.
Cov lus nug, yog li ntawd, yog tias cov subwoofer me me hauv cov neeg hais lus hauv pem teb tuaj yeem tsim cov ntses bass thaj tsam txaus kom txaus siab rau koj lub pob ntseg. Feem ntau lawv ua tsis tau. Qee cov neeg hais lus los ntawm cov npe xws li Cov Txheej Txheem Technology ua rau cov neeg hais lus sawv cev nrog cov subwoofers embedded rau.1 lossis.2 channel teeb tsa.
Tsis tas li, koj tuaj yeem yuav ib lub tso suab ua ntej thiab tau txais lub subwoofer tom qab hnub.
Txoj kab hauv qab
Cov neeg tsim khoom tswj hwm LFE lossis.1 channel hauv tsev ua yeeb yam hauv ntau txoj hauv kev. Piv txwv li, lub teeb yuav muaj xws li ib tug nyias muaj nyias ib subwoofer los yog ib tug yooj yim ob-hais lus nruab los tsim tsawg zaus. Los yog, nws yuav muaj xws li ib khub ntawm pem teb-sawv hais lus nrog embedded subwoofers. Qhov kev xaiv yog koj li-tab sis tsis muaj cov ntses bass thaj tsam ntxiv, koj yuav plam qhov kev paub dhau los ntawm ib puag ncig-suab.
