5.1 vs 7.1 Channel Cov Tub Ntxhais Lub Siab Ua Si

Lub Tsev AASA QHIA TXOG COV TSWV YIM ZOO?

Ib nqe lus nug hauv tsev cov lus nug feem ntau yog hais tias yog 5.1 los yog 7.1 channel tsev ua yeeb yam hauv tsev.

Nws hloov tawm tias ob qho kev xaiv muaj qhov muaj txiaj ntsim thiab qhov tsis zoo, nyob ntawm seb yam khoom twg koj siv, ntau npaum li cas koj xav siv, thiab seb koj tus kheej nyiam nyob rau hauv cov nqe lus ntawm kev yooj yim.

5.1 Cov Hauv Paus Tsev Kawm Ntawv

5.1 Channel tsev ua yeeb yam hauv tsev txais tau cov txheej txheem rau ob xyoos lawm. Lawv muab cov kev mloog zoo zoo, tshwj xeeb tshaj yog nyob rau cov chav me me rau cov chav nruab nrab. Hauv cov nqe lus ntawm cov channel / hais lus teeb, ib qho 5.1 hloov channel tau txais:

7.1 Cov Hauv Paus Tsev Kawm Ntawv

Txawm li cas los xij, thaum sim los txiav txim siab seb puas muaj 5.1 los yog 7.1 channel tsev ua yeeb yam hauv tsev yeej muaj tseeb rau koj, muaj ntau qhov tswv yim ntawm 7.1 channel receiver uas yog kev pab cuam uas koj yuav tsis tau xav txog.

Muaj Ntau Txoj Kev Lom Zem: Ib tug 7.1 channel system sib txuas tag nrho cov ntsiab lus ntawm 5.1 txoj kev kaw lus, tiam sis tsis yog siv qhov sib txuas ntawm ob sab thiab rear channel teebmeem rau ob txoj kev, ib qho 7.1 system muab cov ntaub ntawv txuas thiab sab nram qab hauv plaub. Los ntawm txhais tau tias, cov suab teebmeem sab nraud thiab kev lom zem tuaj yeem hais ncaj qha mus rau sab laug thiab sab kev sib txuas, thiab lub suab nrov dhau los thiab kev tuaj yeem yog coj mus rau ob lub tsheb ntxiv lossis sab nraub qaum. Hauv cov teeb no, cov neeg hais lus nyob puag ncig sab nraud ntawm txoj kev mloog thiab lub tsheb sab nraub qaum los yog sab nraud rov qab tso rau hauv tus mloog.

Rau qhov pom tau qhov sib txawv ntawm ib qho 5.1 lus sib tham lus thiab 7.1 channel speakers layout, kos tawm ib daim duab zoo heev los ntawm Dolby Labs.

Tus 7.1 channel mloog ib puag ncig muaj peev xwm ntxiv ntau qhov tob surround suab, muab ntau tshaj ib qho, qhia tseeb, thiab sib-suab suab-thaj, tshwj xeeb tshaj yog rau cov chav loj.

Lub suab nrov tshaj plaws : Txawm tias feem ntau DVDs thiab Blu-Ray Discs muaj 5.1 suab nkauj (nrog rau qee yam uas muaj 6.1 channel soundtracks), muaj ntau npaum li cas ntawm Blu-hluav taws xob soundtracks uas muaj 7.1 channel ntaub ntawv, seb nws yog 7.1 channel uncompressed PCM , Dolby TrueHD , lossis DTS-HD Master Audio .

Yog hais tias koj muaj 7.1 receiver receiver nrog suab input thiab kev ua haujlwm ntawm HDMI txuas (tsis dhau-sib txuas ntawm kev sib txuas), koj tuaj yeem coj kom zoo dua qee qhov, lossis tag nrho cov koos suab suab xaiv. Xyuas cov specifications, los yog tus neeg siv phau ntawv, rau txhua tus 7.1 channel receiver koj yuav tau xaiv rau ntau specifics rau nws cov HDMI suab peev xwm.

Surround Sound Expansion: Tsis tas li ntawd, txawm tias muaj cov playback DVDs, yog tias koj lub suab soundtrack tsuas muaj Dolby Digital lossis DTS 5.1 los sis, qee qhov, DTS-ES 6.1 los yog Dolby Surround EX 6.1 cov suab paj nruag, koj tuaj yeem ua rau lub suab nrov kom dhau 7.1 los ntawm kev siv lub Dolby Pro Logic IIx extension lossis lwm yam muaj 7.1 DSP (Digital Sound Processing) puag ncig hom uas muaj nyob rau hauv koj lub receiver. Kuj, cov hom ntxiv no tuaj yeem ua tus 7.1 channel puag ncig ntawm 2 tawm los ntawm cov khoom siv los ua kom koj mloog CDs los yog lwm qhov chaw hauv lub suab hauv suab nrov surround sound.

Ntau Surround suab xaiv: Lwm yam suab nrig suab nkauj uas siv tau 7.1 raws yog Dolby Pro Logic IIz thiab Audyssey DSX . Txawm li cas los xij, tsis txhob ntxiv ob sab nraum qab tham, Dolby Pro Logic IIz thiab Audyssey DSX cia qhov sib ntxiv ntawm ob sab pem hauv ntej qhov siab. Qhov no muab lus qhia ntxiv kom yooj yim. Tsis tas li ntawd, Audyssey DSX kuj muab cov neeg siv rau kev xaiv, hauv kev teeb tsa 7.1 rau cov lus sib tham ntawm cov neeg hais lus nruab nrab thiab cov lus hais pem hauv ntej, tsis hais siab qhov siab-cov neeg hais lus no hu ua "wide surround" tham.

Bi-Amping: Lwm qhov kev xaiv uas yog qhov tshwm sim ntau tshaj rau 7.1 channel receivers yog Bi-Amping . Yog hais tias koj muaj pem hauv ntej channel Hais lus uas muaj kev sib txuas lus sib txuas rau nruab nrab / tweeters thiab cov woofers (kuv tsis xa mus rau subwoofer, tab sis cov woofers nyob hauv koj lub rooj sib tham pem hauv ntej), qee qhov 7.1 channel receivers pub koj tuaj yeem tso cai rau cov amplifiers khiav lub 6th thiab qib 7 rau koj cov pem hauv ntej. Tom qab ntawd ua rau koj khaws ib daim ntawv qhia tag nrho 5.1 teeb, tab sis tseem, ntxiv ob qho ntxiv ntawm kev ua kom nrov rau koj sab laug thiab sab xis hais lus.

Siv cov lus sib txuas sib txuas rau cov qib 6 thiab qib 7 ntawm koj tus neeg hais lus bi-amp, koj tuaj yeem ua ob lub hwj chim tauj mus rau koj sab laug thiab sab xis. Koj lub plhaub taum nrab / tweeters xaus li khiav ntawm L / R cov dej loj thiab koj cov lus hais pem hauv ntej lub woofers khiav tawm ntawm koj lub xov tooj 6 thiab qib 7 mus rau Bi-amp.

Cov txheej txheem rau hom teeb no yog piav qhia thiab qhia nyob rau hauv tus neeg siv phau ntawv rau ntau 7.1 channel receivers. Txawm li cas los xij, raws li kuv tau hais ua ntej, txawm tias qhov no yog qhov tseem ceeb tshaj plaws, tab sis tsis muaj nyob hauv tag nrho cov 7.1 channel receivers.

Zone 2: Ntxiv rau Bi-amping, muaj coob tus 7.1 hauv tsev ua yeeb yam hauv tsev nqa ib qho chaw Zone 2 .

Qhov kev tso cai no pub rau cov neeg siv khiav ib qho kev cai 5.1 hauv tsev hauv tsev ua yeeb yaj kiab, tab sis, tsis txhob siv cov lus qhib rau pem hauv ntej, lossis ntxiv ob qhov chaw ntxiv tom qab mloog txoj hauj lwm, koj tuaj yeem siv qhov sib ntxiv ntawm ob fais fab hais lus nyob rau lwm qhov chaw (yog tias koj tsis mloog ib co lus ntev tham).

Tsis tas li ntawd, yog tias koj nyiam lub tswv yim ntawm khiav ib qho kev siv ob cheeb tsam, tab sis tseem muaj siab 7.1 ib puag ncig cua suab teeb nyob rau hauv koj chav loj, qee tus receivables 7.1 channel tuaj yeem tso cai rau qhov no, tab sis koj tuaj yeem ua tau tib lub sijhawm. Hauv lwm lub ntsiab lus, yog tias koj qhib qhov thib ob thaum koj tab tom siv lub ntsiab tsam, lub cheeb tsam ntawm lub ntsiab qhov chaw yuav pib rau 5.1 raws.

Qhov no txhais tau hais tias, feem ntau, thaum koj mloog thiab saib koj cov DVDs hauv 5.1 hli puag ncig lub suab hauv koj chav loj, lwm tus neeg tuaj yeem mloog A CD (yog tias koj muaj CD CD neeg txuas nrog koj tus neeg tuaj yeem) nyob rau hauv lwm chav, tsis muaj ib tug neeg CD player thiab receiver nyob rau hauv lwm chav - tsuas yog tus hais lus.

Kuj, ntau tus 7.1 channel tsev ua yeeb yam hauv tsev cov tsev kawm ntawv muab kev ywj pheej ntxiv hauv kev teeb tsa thiab siv cov zones ntxiv .

9.1 Raws thiab Tshaj Tawm

Raws li ntau sophisticated puag ncig suab xaiv kev ua muaj, xws li DTS Neo: X , uas yuav nthuav cov xov tooj ntawm cov uas yuav ua tswv cuab los yog muab rho tawm los ntawm cov ntsiab lus, manufacturers yog upping ante rau cov xov tooj ntawm raws lawv yuav cram mus rau hauv ib lub tsev theatre receiver chassis. Thaum txav mus rau hauv tsev siab ua yeeb yam hauv tsev, muaj ntau tus neeg txais kev pab uas tam sim no muab 9.1 / 9.2 thiab ib tug xov tooj tsawg uas txawm muaj 11.1 / 11/2 channel configuration xaiv.

Txawm li cas los xij, xws li nrog 7.1 channel receivers, txawm koj xav tau 9, los yog ntau tshaj, cov nyob ntawm seb koj xav ua kom tiav hauv koj lub tsev ua yeeb yam hauv tsev. Ob leeg 9 thiab 11 channel receivers tuaj yeem siv los teeb 9 los yog 11 cov neeg tham (ntxiv rau ib lossis ob lub subwoofers ) hauv koj chav tsev ua yeeb yam. Qhov no tso cai rau koj los ua kom zoo dua puag ncig lub suab nruab, xws li DTS Neo: X.

Txawm li cas los xij, 9 los yog 11 receiver channel kuj tuaj yeem muab kev yooj yim rau hauv cov ntsiab lus ntawm qhov muab ob txoj hauv kev mus rau Bi-Amp cov lus hais los sis siv 2 los sis 4 raws kom tsim tau thib thiab / los sis 3rd Zone ob lub kaw lus uas tseem tuaj yeem siv tau thiab tswj los ntawm tus tseem ceeb receiver. Qhov no tseem tuaj yeem tawm koj nrog 5.1 los yog 7.1 raws hauv koj chav ua yeeb yam hauv tsev.

Tsis tas li ntawd, raws li ntawm 2014, kev qhia txog Dolby Atmos rau kev ua yeeb yam hauv tsev tau tso lwm txoj kev rau cov kev hais lus / kev hais lus rau qee tus ua yeeb yam hauv tsev. No koos suab hom sib txuas ua ke rau txoj kev sib tshuam, uas ua rau ntau cov lus xaiv tshiab muaj xws li: 5.1.2, 5.1.4, 7.1.2, 7.1.4, 9.1.4, thiab Ntau. Thawj tus lej yog cov kab toj ntawm txoj kab toj, tus naj npawb thib ob yog cov subwoofer, thiab tus thib peb naj npawb hais txog cov naj npawb ntawm feem ntsug.

Muaj lwm lub suab nrov muaj nyob rau qee qhov kev ua yeeb yam hauv tsev, uas yuav tsum tau 9.1 los yog ntau tshaj yog Auro 3D Suab . Tsawg kawg, qhov puag ncig ntawm lub suab yuav tsum muaj ob txheej lus ntawm cov neeg hais lus. Thawj txheej yuav ua tau ib txoj kab ke 5.1 teeb tsa, tab sis tom qab ntawd ces muaj lwm txheej, qhov chaw saum toj txheej thawj txheej, yuav tsum muaj ob sab pem hauv ntej thiab ob sab lus. Tom qab ntawd, mus rau sab saud, yog tias ua tau, ib tug hais lus ntxiv uas qab nthab saum tus thawj rooj zaum (uas yog hu ua Voice of God (VOG) channel.Qhov theem tag nrho cov kev mus txog 10.1.

Ntxiv thiab, yuav ua rau tej yam nyuab dua (txawm tias nws muab tus neeg siv nrog ntau txoj kev xaiv), yog kev taw qhia hauv 2015 ntawm DTS: X immersive surround suab hom ntawv (tsis yog tsis meej pem nrog DTS Neo: X), uas tsis yuav tsum muaj ib tus neeg hais lus layout, tab sis nws muab ob qho tib si kab rov tav thiab ntsug puag ncig (nws ua hauj lwm zoo nyob rau hauv tib lub rooj sib tham setups siv los ntawm Dolby Atmos).

Tswv Yim Kev Ua Siab

Nco ntsoov tias feem ntau ntawm DVD, Blu-Ray, thiab txhua lub suab suab suab uas koj yuav tau txais los ntawm qhov ntsiab lus yog tov 5.1 playback, nrog ib tug me me ntawm qhov chaw tov rau 6.1 los yog 7.1 channel playback. Qhov no txhais tau hais tias 5.1 lossis 7.1 channel receiver nrog Dolby / DTS decoding thiab kev ua tau yooj yim ua daim nqi (A 5.1 receiver tau tso cai rau 6.1 lossis 7.1 channel los ntawm ib cheeb tsam 5.1 cheeb tsam).

Thaum tsiv mus txog 9.1 lossis 11.1 channel receiver, tshwj tsis yog nws yog Dolby Atmos los yog DTS: X-enabled thiab koj hais lus teeb nrog ob leeg kab thiab vuam mapped raws thiab ua si Dolby Atmos / DTS: X encoded cov ntsiab lus, tus receiver yog tiag post- ua cov ntaub ntawv tseem ceeb 5.1, 6.1, lossis 7.1 channel encoded soundtracks thiab muab tso rau hauv 9 los yog 11 ib puag ncig channel Cov kev tshwm sim muaj peev xwm ua tau zoo heev, nyob ntawm seb qhov khoom siv tau zoo, tab sis nws tsis txhais tias nws yuav tsum tau ua kom koj qhov leap no. Tom qab tag nrho, ntau tsis muaj chav rau tag nrho cov kev hais lus ntxiv no!

Lub Kab Hauv Qab

Yuav kom muab nws tso rau hauv kev xav, tus nab npawb zoo 5.1 receiver yog ib qho kev xaiv zoo kawg nkaus, tshwj xeeb tshaj yog rau ib chav tsev me me los yog nruab nrab hauv feem ntau cov tsev thiab cov tsev.

Txawm li cas los xij, thaum koj tau txais mus rau hauv $ 500 ntau thiab nce, muaj ib qho kev qhia ntxiv los ntawm cov tuam txhab nrog 7.1 channel txais cov receivers. Tsis tas li ntawd xwb, thaum koj nkag mus rau hauv $ 1,300 tus nqe ntau zog koj pib pom qee qhov 9.1 channel receivers. Cov receivers no tuaj yeem npaj muaj kev xaiv yooj yim heev thaum koj nthuav koj lub cev cov kev xav tau, lossis muaj chav tsev ua yeeb yam hauv tsev. Tsis txhob txhawj txog cov xov hlau, los ntawm txoj kev-koj tuaj yeem nkaum lossis tsis pom lawv .

Ntawm qhov tod tes, txawm hais tias koj tsis tas yuav siv tag nrho 7.1 (los yog 9.1) cov peev xwm hauv koj lub tsev cov tsev ua yeeb yam, cov receivers no tuaj yeem siv tau yooj yim siv rau hauv ib txoj kab ke 5.1. Qhov no pub dawb ntxiv txog ob seem los yog plaub qhov chaw rau qee tus neeg txais kev siv rau Bi-amping, los yog khiav los ntawm ob tug los yog ntau tshaj ob txoj kab sib tw hauv cheeb tsam.