IEEE 1394: txheej txheem cej luam, cov nta thiab xyuas

IEEE-1394 (kuj hu ua FireWire) nruab nrab yog ib tug kev kub ceev cov serial interface mus rau kis twg cov ntaub ntawv. Rau hnub tim, nws yog nquag siv nyob rau hauv ib tug ntau yam ntawm pab kiag li lawm, xws li tsis tsuas PC, tab sis thiab ntau mobile gadgets.

Qhov twg yog nws siv?

Kev loj hlob ntawm IEEE-1394 tau nqa tawm nyob rau hauv thiaj li yuav muab cov neeg siv uas high-ceev nkag tau mus rau ntau yam ntaub ntawv cia kiag li lawm, xws li hard disk drives, thiab CD- thiab DVD-drives. Nyob rau hauv lub npaj nws yog ua ib qho kev interface uas yuav hais tiag universal, ces siv nws nyob rau hauv ib tug ntau yam ntawm cov tswv yim pab kiag li lawm, xws li scanners, yees duab los yog video koob yees duab, raws li zoo li lwm yam audio-visual khoom. Tab sis nws zoo heev zog, xws li ua yooj yim thiab huab simplicity ntawm qhov kev siv, ua ke nrog rau cov tseem yog tsim nyog los muab kis tau tus mob tseem ceeb tshaj ntawm cov ntaub ntawv rau cov uas lub sij hawm synchronization yog ib tug tseem ceeb, tau nws thiaj li nrhiav noj rau cov kis ntawm cov video, raws li ib tug tshwm sim ntawm hnub no tsis muaj nyob rau lawv tej lwm. Tus thawj kho vajtse-raws li cov tshuaj, uas siv ib tug IEEE-1394 interface, tag nrho cov hom ntawm steel board, tsim los ua hauj lwm nrog cov video.

Yuav ua li cas yog nws muab?

Qhov no tus txheej txheem tso cai rau kom muab software thiab kho vajtse nyob rau hauv kev txiav txim mus rau kis cov lus qhia nyob rau hauv ib tug kwj 100, 200 los yog 400 Mbit / s, nrog rau cov tom kawg implementations muab ib tug tseem ntau dua kis tau tus mob npaum li cas. Kev sib txuas lus ntawm ob peb pab kiag li lawm nrog ib tug IEEE-1394 interface yog tshuab txais rau hauv thiab tawm ncaj qha nyob rau hauv tus txheej txheem (uas yog hu ua "kub plugging"). Nyob rau hauv lwm yam lus, lawv yuav tsis tau faiv fab los yog reboot.

Sony thiab nws kev loj hlob

IEEE-1394 rau thawj lub sij hawm pib siv qhov zoo ntawm lub tuam txhab Sony nyob rau hauv lawv txoj kev loj hlob, them sai sai mus scalability, cov ntaub ntawv kis tau tus mob ceev, muaj peev xwm ua ntaub ntawv nyob rau hauv real-time, ib qho yooj yim connectivity, thaum heev me me nqi. Raws li ib tug tshwm sim, khwb khuav pib tsim tshwj xeeb kev circuits, kaw nyob rau hauv cov txuj no.

Tom qab qhov kev tso tawm ntawm lawv cov koob yees duab Sony tus kws txawj tau pib mus rau tsim ib tug ntau yam ntawm kev daws teeb meem uas tsim tau rau koj tus kheej computers, cov satellite TV receivers, digital video recorders, raws li zoo raws li lub ntau yam nyuaj drives thiab CD los yog DVD drives. Tag nrho cov pab kiag li lawm zoo heev nthuav lub zuag qhia tag nrho connectivity ntawm ntau yam video los yog lub ntaus ntawv mus rau lub computer, yog li ntawd lub sij hawm los mus ua ib tug ua kom tiav lub tsev xov xwm network.

Yuav ua li cas yuav siv nws?

Twb niaj hnub no koj yuav dawb do integrate ib tug ntau yam ntawm cov khoom rau lub computer, li no kom ntseeg tau lub zoo kev tswj ntawm kev ntaus ncaj qha los ntawm koj lub PC. Vim hais tias cov khoom no yuav muab lub hauv tag nrho system, lub neej coj txheej txheem kev twb kev txuas ntawm ob peb pab kiag li lawm interconnected los ntawm ib tug cable. Tom qab ntawd, ib tug tus kheej lub computer kuj nyob rau hauv cov ntaub ntawv no raws li ib tug xws li, nws puas yuav tau nqa tawm cov ntaubntawv povthawj siv nrog ib tug CD-neeg uas ua ntawv nyob rau hauv lub me me mini-discs, rau kev cov ntaubntawv povthawj siv cov xov tooj cua broadcasts, raws li zoo raws li yuav ua kom paub tej video ntaub ntawv nyob rau hauv koj lub PC, nyob rau hauv thiaj li yuav ces mount lawv thiab kho kom raug. Ntawm cov hoob kawm, nws yuav raug cawm dim tau tau ib tug ncaj qha kev pauv ntawm tus yees duab thiab audioborudovaniem tsis muaj coj mus siv ib lub computer los yog, nyob rau hauv tsis tooj, kev sib nrig sib pauv ntawm cov ntaub ntawv ntawm ntau yam computers nyob rau hauv tib txoj kev raws li nyob rau hauv cheeb tsam tes hauj lwm raws li Ethernet-standard technologies.

NEC thiab nws nti

NEC Corporation yuav luag tam sim ntawd tom qab qhov kev tso tawm ntawm IEEE-1394 tshaj tawm hais tias pib los tsim ib tug nti uas yuav siv tau los pab txhawb kho vajtse routing thoob plaws ntau yam tes hauj lwm raws li cov txuj no, raws li zoo raws li kom ntseeg tau lawv tej kev sis raug zoo broadband tsev tes hauj lwm ntawm tus txheej txheem. Xws li ib tug dual-chaw nres nkoj nti nruab nrog tshwj xeeb software, firmware, txiav configuring lub network thiab muab tau ntawm kev tsim kom muaj ib tug kev twb kev txuas ntawm lub ntau yam network pab kiag li lawm, kuj xws li ib tug mobile sib txuas lus. Nyob rau hauv no kev twb kev txuas, yog tau txuas rau koj lub tsev network rau tus ciaj ciam ntawm ib tug tej yam lub tsev ntawm ib tug deb ntawm txog ib kilometer.

Cov lus teb los ntawm Sony

Thaum lub sij hawm no, Sony tseem tsim tsev network raws li tswvyim FireWire IEEE-1394, thiab lub tuam txhab yog npaj mus ntxiv kom muaj txoj kev loj hlob yog tseem tam sim no differing tswv yim kom pom tseeb thiab yog yuav mus mus koom nyob rau hauv zus tau tej cov ntau high-ceev, high-muaj peev xwm thiab kev cog lus ntawm Cheebtsam nrog tsis muaj zog noj. Xws li yuav sib txawv txaus ntau yam ntawm daim ntawv sau npe, raws li zoo raws li tau koom ua ke rau hauv qhov system chipset, thiab lub tuam txhab muaj tau muab nws cov neeg muas zaub nrog rau feem ntau ntau haiv neeg cov khoom siv yog kev cob cog rua rau lub tsev network. Qhov no architecture yog hu ua HAVi, tsim ib tug zoo ntawm cov tsev, raws li nyob rau hauv lub IEEE-1394 ib tug FireWire.

Standard computers

IEEE-1394 qauv, cable duab uas koj yuav saib tau hauv qab no, tau attracted tus mloog tsis tsuas yog los ntawm cov manufacturers ntawm ntau yam xov xwm khoom, tab sis kuj developers, koom nyob rau hauv raug ntawm pab kiag li lawm rau koj tus kheej computers. Thaum lub sij hawm nws tau los ua ib tug thawj network standard, uas yog tshuam los ze zog cov muaj hnub nyoog.

Thaum nkag mus hauv lub operating system qhov rais txhiab xyoo, lub developers Ameslikas pom zoo kev pab los ntawm lub zos tes hauj lwm raws li IEEE-1394 xws li, tus yam ntxwv uas nyob rau ntawm lub sij hawm ntau tshaj li tsim nyog. Xws li ib tug network yog yus muaj los ntawm siab kuj cov ntaub ntawv tus nqi, uas yog plaub lub sij hawm ntau tshaj nyob rau hauv lub siv thaum lub caij piv rau Fast Ethernet, raws li zoo raws li ua heev yooj yim rau cov me me chaw ua hauj lwm los yog lub tsev. Lub tsuas yooj yim nyob rau hauv tus txheej txheem ntawm lub tsev no network yog uas nyob ntawm no muaj me ntsis kev txwv qhov ntev ntawm txhua ya. Nyob rau hauv thiaj li yuav tshem tawm qhov drawback IEEE-1394, kev ntsuam xyuas thiab cov yam ntxwv ntawm tus ntaus ntawv pom tau hais tias lub feem ntau pom mus siv tshwj xeeb teeb liab amplifiers raws li tag nrho cov hom breeder hubs khiav rau ntau ports. Xws li yog hu ua "repeaters".

USB 2.0 vs IEEE-1394

Yuav luag tam sim ntawd tso tawm USB 2.0 interface pib los lwv nrog lub IEEE-1394. Ntaus txheej txheem cej luam pom tias cov ntaub ntawv hloov lwm lub tsev ntawm cov thawj interface qhia tau hais tias 480 Mbit / s thaum lub sij hawm, nws yog ntau npaum li cas zoo npaum li thawj version ntawm USB.

USB chaw tos tsheb loj tam sim ntawd los ua heev nrov, vim hais tias nws yog pheej yig txaus xaiv muaj los pab txhawb lub xws li, uas yuav tsum tau kos ncaj qha mus rau hauv lub chipsets rau txawv motherboards. Thiab yuav luag tam sim ntawd, nws twb hais tias cov ceev tau pom tau hais nyob rau hauv cov hom ntawv ntawm ib tug maub los ua tau rau hauv lub chipset. Txawm tias tag nrho cov ntawm no, Microsoft tau hais tias ib feem rau nws yog precisely lub IEEE-1394 (chaw nres nkoj), lub USB yog txawv asynchronous hloov lwm lub tsev, yog li ntawd feem ntau lwv nrog FireWire hom nyob rau hauv cov nqe lus ntawm cov kis ntawm cov kev yees duab, nws tsis tau.

Nyob rau hauv lwm yam lus, tej pab kiag li lawm siv no interface yuav paug sib txuas lus nrog ib tug ntau yam ntawm tus kheej computers muaj ib tug interface, thiab kuj ntawm lawv tus kheej. Yog li, cov neeg siv tau mus high-ceev kis tau tus mob, ua thiab khaws cia ntaub ntawv, tsis tas yuav ua tej deterioration nyob rau hauv zoo.

controllers

Ntawm kev muag khoom muaj ib tug luj xws muab ib tug ntau yam ntawm manufacturers. Chiv ntau controllers uas txhawb OHCI txheem, raws li nws yog tsim nyog los xyuas kom meej kom zoo them nyiaj yug rau lub qhov rais 2000 operating system, uas yog tus thawj tswj hauv lub sij hawm.

Nqi sib txawv ntawm cov adapters uas txhawb IEEE-1394 interface yog sufficiently tsawg thiab yoojyim rau yuav luag txhua leej txhua tus. Nyob rau hauv kev pab kiag li lawm tau, uas raug nqi tsawg tshaj li $ 35

Yog nws tsis yooj yim rau nruab nws?

Lub installation ntawm no xws li yog ib tug yooj yim heev, vim hais tias, raws li hais saum toj no, Microsoft Ameslikas muab rau cov nyiaj them yug ntawm no xyov interface, yog li ntawd tag nrho cov tsim nyog Cheebtsam yog tam sim no nyob rau hauv lub operating system. Nws yog txaus rau tsuas ntxig rau disc kaw rau lub tsev system, thiab ces, yog tias yuav tsum tau yuav, mus koom nyob rau hauv lub installation ntawm tag nrho cov tsim nyog Cheebtsam.

Nyob rau hauv lub overwhelming feem ntau ntawm cov mob FireWire xws qhia interrupt USB-xws li, tab sis muaj tsis muaj kev tsis sib haum thej, txawm yog hais tias lawv tau ua hauj lwm nyob rau tib lub sij hawm.

Nws yog ib nqi sau cia ib tug ob peb cov laug cam uas tam sim no nyob rau hauv ib co computers, txawm mus rau hnub no.

Datavision DV ntes

Qhov no lub rooj tsavxwm yog ib tug txheej txheem rau IEEE-1394 tsev neeg ntawm cov laug cam, tus uas duav txhua yam uas yog dav txaus. Nyob rau hauv feem ntau nws yog ib qho kev zoo sawv cev rau PCI-board muaj ob los yog peb ntxiv lwm ports thiab ib tug nrog. Thawj zaug tus me nyuam yog muab faceless software tsim rau video editing. Cov nqi no yog siv los ntawm ntau manufacturers, tab sis lawv twb tag nrho cov tib. Lawv txawv cov nqi, thiab nyob rau hauv cov khoom siv yuav tsum tau tam sim no los yog tsis tuaj kawm ntawv cable rau txuas ntau yam FireWire-pab kiag li lawm.

DVeasy

Qhov no lub rooj tsavxwm yog tshuam tib yam li yav dhau los, tab sis nyob rau hauv cov ntaub ntawv no muaj cov tsis muaj internal IEEE-1394 ports. Yuav ua li cas yog nws to taub ib tug ob peb, raws li muaj ntau ntau yam yog vim li cas uas ua rau qhov yuav tsum tau rau lub xub ntiag muaj tsawg kawg yog ib tug nrog chaw nres nkoj, tab sis cov producers ntawm cov boards muaj txawv, nrog rau cov nqi ntawm lub rooj tsavxwm ntsia raws nraim tib yam li nyob rau hauv tus txheej txheem pab kiag li lawm.

Qhov txawv ntawm daim ntawv no los ntawm tus so yog tias nws muaj ib tug ncaj unconventional software tsim rau video editing, thiab nws cov interface yog ntau zoo li ib tug de facto txheem nyob rau hauv cheeb tsam no. Nyob rau hauv kev, yog tsim nyog sau cia hais tias lub software xws li ib tug ntau yam uas pab tau cov khoom, xws li tom qab rendering, pab "brighten li" tos rau zaum kawg tshwm sim.

Dazzle DV-Elitor

Thaum cov kev ceev ntawm cov ntaub ntawv ua laptops yuav luag sib npaug zos rau cov kev ceev ntawm tus kheej computers, ib tug ntau yam ntawm portable ntsiab yog qhia pib yuav tsum tau siv mus muab tswv yim thiab ntxiv video editing rau txoj kev mus, raws li zoo raws li rau ntau ntau lwm yam FireWire-periphery. Tej khoom siv muab laptop rau cov neeg mus txuas kiag li tej pab kiag li lawm siv IEEE-1394 qauv, rau cov card PCMCIA hom II. Tus txheem pob ntawm daim ntawv teev qhia ib tug tshwj xeeb plaub-hlau cable. Tu siab, muaj ntau heev ib tug xov tooj ntawm pab kiag li lawm nrog no interface rau cov uas koj xav siv ib tug rau-hlau cable, yog li ntawd lawv yuav tsis ua hauj lwm nrog daim card no.

Lub bundled tam sim no ib tug yooj yim zog version ntawm Video Studio 4, uas yog npaj los kho kom raug thiab nkag mus rau hauv lub video. Qhov kev pab cuam yog haum yooj yim mus kawm, tab sis ua tsaug rau ib saab SmartRender technology ho thiaj li tag nrho cov sij hawm uas yog muab los ntawm ib tug tsis tshua ncauj lus kom ntxaws miscalculation los tsuas thaum lub sij hawm kawg export ntawm tiav lawm cov ntaub ntawv.

Daim ntawv qhia yog heev pheej yig nyob rau hauv cov nqe lus ntawm nqi rau feem ntau ntawm niaj hnub no cov neeg siv, thiab yog tseem txawm peem rau nrog ib tug kev cable. Txawm li cas los, nws muaj nqis ntsoov teev tias tsis muaj hwj chim tiag txwv cov functionality ntawm daim card piv rau zoo xws li pab kiag li lawm.

Yog li, cov neeg siv yuav xaiv ib tug ntawm ob peb cards, piv lawv tus yam ntxwv thiab los mus txiav txim qhov kev txiav txim, yog dab tsi kev xaiv no yog feem ntau tsim nyog rau lawv cov tej yam kev mob. Tab sis nyob rau hauv Feem ntau, nws siv tsis yog li ntawd tseem ceeb rau tus uas twb muaj USB 3.0 interface, thiab lwm tus neeg.