Blu-ray Disc Player Suab Chaw: Bitstream vs. PCM

Cov txheej txheem:

Blu-ray Disc Player Suab Chaw: Bitstream vs. PCM
Blu-ray Disc Player Suab Chaw: Bitstream vs. PCM
Anonim

Blu-duab tshav Disc hom muab qhov kev pom zoo dua qub thiab ua kom siab ib puag ncig lub suab mloog. Blu-duab tshav Disc players muab ntau yam kev xaiv rau lub suab thiab video tso zis, nyob ntawm seb koj cov neeg uas ua ntawv txuas nrog koj lub tsev ua yeeb yam li cas. Sib piv bitstream thiab PCM kom koj tuaj yeem ua tiav lub suab zoo tshaj plaws los ntawm koj lub Blu-duab tshav Disc player.

Kev Tshawb Nrhiav Txhua Yam

  • Tus txais kev txiav txim siab lub suab.
  • Muaj peev xwm rau lub suab zoo dua.
  • Limited secondary audio quality.
  • 5.1 kev txhawb nqa tshaj digital optical lossis coaxial.
  • Tus Blu-ray player txiav txim siab lub suab.
  • Yuav tsum muaj bandwidth siab dua.
  • Zoo rau cov suab thib ob.
  • txwv cov khoom siv kho qhov muag lossis coaxial tso zis.

Rau suab, yog tias koj txuas Blu-duab tshav Disc player rau lub tsev ua yeeb yam ntawm HDMI (txoj kev pom zoo), muaj ob lub ntsiab lus tso tawm suab: Bitstream thiab PCM (tseem hu ua LPCM). Hais txog lub suab zoo, txawm tias koj teeb tsa Blu-duab tshav Disc player's HDMI audio tso zis rau PCM lossis bitstream tsis muaj teeb meem. Txawm li cas los xij, ntawm no yog qhov tshwm sim thaum koj xaiv qhov chaw.

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Cov ntaub ntawv ntawm no tsom mus rau bitstream vs PCM hais txog Blu-duab tshav Disc players, tab sis nws kuj siv rau Ultra HD Blu-duab tshav Disc players.

Signal Decoding

  • Lub tsev txais kev txiav txim siab lub suab, nthuav cov kev xaiv zoo.
  • Lub suab zoo dua yog ua tau yog tias tus txais kev txhawb nqa nws.
  • Xa tus qauv 5.1 puag ncig lub teeb liab rau tus txais.
  • Blu-ray player txiav txim siab lub teeb liab, muab kev hloov pauv sai.
  • Tsua lub sijhawm lag luam.

Rau cov kev sib txuas digital optical thiab coaxial, qhov kev xaiv tso zis bitstream tuaj yeem xa tus qauv Dolby Digital lossis DTS 5.1 ib puag ncig lub suab teeb liab mus rau lub receiver rau kev txiav txim siab, thiab PCM kev xaiv xa tsuas yog ob-channel teeb liab. Lub digital optical lossis digital coaxial cable tsis muaj peev xwm bandwidth txaus los hloov cov lus txiav tawm, tsis muaj zog, tag nrho ib puag ncig lub suab teeb liab zoo li HDMI kev txuas tuaj yeem.

Yog tias koj teeb tsa Blu-duab tshav Disc player tso tawm suab li PCM, tus neeg uas ua ntawv ua lub suab decoding ntawm tag nrho Dolby lossis Dolby TrueHD thiab DTS lossis DTS-HD Master Audio soundtracks sab hauv. Tom qab ntawd, nws xa cov suab tawm suab hauv ib daim ntawv tsis txaus siab rau lub tsev ua yeeb yam txais tos. Raws li qhov tshwm sim, tus neeg txais kev ua yeeb yaj kiab hauv tsev tsis ua qhov kev txiav txim siab ntxiv suab ua ntej lub suab raug xa mus los ntawm ntu amplifier thiab cov hais lus.

Tus txais txiaj ntsig zoo tseem ceeb

  • Zuag qhia tag nrho, tau txais kev pom zoo zoo dua.
  • Tus txais ua haujlwm feem ntau.
  • Bitstream yog qhov kev xaiv zoo dua rau cov digital lossis coaxial outputs thaum HDMI tsis muaj.
  • Thov tsawg tus txais.
  • zoo dua ntawm cov suab thib ob.

Siv PCM yog tias koj npaj yuav siv lub suab thib ob, uas muab kev nkag mus rau cov lus tawm suab, piav qhia suab, thiab cov suab ntxiv ntxiv. Thaum nkag mus rau cov kev pab cuam suab no tseem ceeb rau koj, teeb tsa Blu-duab tshav player rau PCM los muab cov txiaj ntsig zoo tshaj plaws. Tus neeg uas ua ntawv txiav txim siab lub suab yam tsis muaj kev txhawj xeeb ntawm bandwidth, uas yog qhov teeb meem rau bitstream.

Piv txwv tias koj xaiv bitstream raws li HDMI audio tso zis teeb tsa rau Blu-duab tshav player. Nyob rau hauv tas li ntawd, tus neeg uas ua ntawv bypasses nws internal Dolby thiab DTS suab decoders thiab xa cov undecoded teeb liab rau koj HDMI-txuas lub tsev ua yeeb yam receiver. Lub tsev ua yeeb yam receiver ua lub suab decoding ntawm lub teeb liab tuaj. Raws li qhov tshwm sim, tus txais yuav tso tawm Dolby, Dolby TrueHD, DTS, DTS-HD Master Audio, Dolby Atmos, DTS: X, lossis lwm hom ntawm nws lub vaj huam sib luag pem hauv ntej nyob ntawm hom teeb liab bitstream uas tau txiav txim siab.

Lub Dolby Atmos thiab DTS: X ib puag ncig lub suab tawm tswv yim tsuas yog muaj los ntawm Blu-duab tshav Disc player ntawm qhov kev xaiv bitstream. Tsis muaj Blu-duab tshav Disc players tuaj yeem txiav txim siab cov qauv no sab hauv rau PCM thiab dhau qhov ntawd mus rau lub tsev ua yeeb yam txais tos.

Yog tias koj muab cov bitstream thiab lwm qhov chaw suab, Blu-duab tshav Disc neeg uas ua ntawv yuav down-res puag ncig hom, xws li Dolby TrueHD lossis DTS-HD, rau tus qauv Dolby Digital lossis DTS kom nyem ob hom suab cim mus rau tib lub bitstream bandwidth. Nyob rau hauv cov ntaub ntawv no, lub tsev ua yeeb yam receiver paub lub teeb liab raws li tus qauv Dolby Digital thiab decodes kom tsim nyog.

HDMI yooj yim yog qhov kev xaiv zoo tshaj plaws rau cov zis. Txawm li cas los xij, yog tias koj siv cov digital lossis optical coaxial outputs, bitstream yog tus yeej meej. Kev sib txuas digital optical thiab coaxial raug kev txom nyem los ntawm kev txwv bandwidth thiab tsis tuaj yeem hloov lub teeb liab ua tiav thiab txiav txim siab. Vim tias bitstream cia siab rau tus txais kev txiav txim siab, nws yog qhov zoo tshaj plaws rau cov xwm txheej txwv bandwidth.

Kev Txiav Txim Kawg

Ntau yam yuav tsum nkag mus rau hauv koj txoj kev xaiv, suav nrog qhov zoo ntawm Blu-duab tshav player thiab audio receiver. Ntau zaus tshaj tsis, koj yuav xav tau bitstream. Lub peev xwm rau lub suab zoo dua thiab qhov yooj yim siv coaxial outputs tso nws ua ntej ntawm PCM.

Qhov xwm txheej nkaus xwb uas PCM tawm los rau saum yog thaum siv cov kwj thib ob. Yog tias koj tsis npaj yuav ua qhov no thiab koj lub receiver tsis muaj qhov tsis zoo, mus rau bitstream.

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