IEEE 1394: Uhlolojikelele, izici kanye nokubuyekeza

IEEE-1394 (lokhu kwaziwa futhi njengamagagasi FireWire) simele high speed digital esibonakalayo serial ukudlulisa noma iyiphi idatha digital. Kuze kube manje, it is ngenkuthalo lisetshenziswe ezihlukahlukene, okufaka hhayi kuphela PC, kodwa futhi amagajethi amaningi mobile.

kusetshenziswa kuphi?

Kutfutfukiswa IEEE-1394 kwenziwa ukuze kunikezwe abasebenzisi ukufinyelela ngesivinini kumadivayisi ahlukahlukene isitoreji idatha, kuhlanganise disk hard drive, kanye CD- futhi DVD-ngemoto. In the plan kwaba ukwenza interface ezinga kuyoba lwathandeka, bese usebenzise ezihlukahlukene amadivaysi okufakwayo, kuhlanganise ama-scanner isithombe noma ividiyo amakhamera, kanye nezinye izinto zokusebenza etimviwabukelwa. Kodwa izakhiwo zalo ezinhle, ezifana eguquguqukayo kanye lula kakhulu ukusetshenziswa, kanye kungenzeka uma kudingekile ukunikeza ukudluliswa igunya ulwazi okuyiwona isikhathi ukuvumelanisa futsi yintfo lebalulekile, zagcina wathola eliphezulu ukudluliswa ofanele ezidijithali zevidiyo, ngenxa namuhla alikho kubo ehlukile. Isixazululo lokuqala hardware-based, okuyinto esetshenziswa interface IEEE-1394, zonke izinhlobo steel ibhodi, yakhelwe ukusebenza isiqophi digital.

Yini asinikezayo?

Le ndinganiso ivumela ukuhlanganisa software hardware ukuze adlulisele ulwazi ukusakaza 100, 200 noma 400 Mbit / s, ne implementations yokugcina unikeze kuphakeme nakakhulu kunalezi zimfanelo yokudlulisela rate. Ukuxhumana phakathi kumadivaysi amaningana nge interface IEEE-1394 icushiwe ngaphakathi nangaphandle kwe-ngqo inqubo (okuthiwa "wokufaka ashisayo"). Ngamanye amazwi, akudingeki ukuba abe namandla phansi noma phansi.

Sony kanye nentuthuko yayo

IEEE-1394 okokuqala, baqala ukusebenzisa izinzuzo inkampani Sony ekuthuthukisweni kwabo, ukuba banake scalability, ngesivinini transmission idatha, ikhono lokwazi ukufunda idatha ngesikhathi sangempela, ukuxhumeka ku lula, ngenkathi izindleko ezincane ngempela. Ngenxa yalokho, ngenkuthalo basungula ezikhethekile izifunda ehlangene, ababoshiwe ngaphansi kwalesi ejwayelekile.

Ngemva kokudedelwa amakhamera abo digital ochwepheshe Sony BakaJehova baye baqala ukuthuthukisa izingxube ezihlukahlukene zoketshezi eyenzelwe amakhompyutha siqu, digital satellite TV abamukelayo, digital video kanye ahlukahlukene hard drive, kanye CD noma i-DVD oshayelayo. Konke lokhu amadivayisi ukwandisa kakhulu uxhumano jikelele yevidiyo noma idivayisi yomsindo ahlukahlukene kukhompyutha, ukuze ithuba ukudala ephelele ekhaya abezindaba inethiwekhi.

Kanjani ukuyisebenzisa?

Kakade namuhla ungakwazi ngokukhululekile ukuhlanganisa ezihlukahlukene imishini kukhompyutha, ngaleyo ndlela kuqinisekiswe ukusebenza ngendlela efanele kweziteshi iyiphi idivayisi ngqo kusuka PC yakho. Ngoba lokhu imishini ungakheka lonke uhlelo, lohlanganisiwe uxhumano esezingeni kumadivaysi amaningana oxhumene by ikhebuli. Khona-ke, usebenzisa ikhompyutha siqu zenza Kulokhu njengoba isilawuli, kungenzeka ukuba bafeze ukuqopha nge-CD-player in the ezincane mini-akwazi ukugcina, ukuqhuba okuqoshiwe nomsakazo digital, kanye ukwethula noma yimaphi amafayela ividiyo ku-PC, ukuze ke ukukhweza kubo bese uhlela. Yiqiniso, uyakusindiswa kungenzeka exchange okuqondile phakathi isiqophi futhi audioborudovaniem ngaphandle kokuba ukusebenzisa ikhompyutha noma, kunalokho, lokushintshisana mutual kolwazi phakathi amakhompuyutha ngendlela efanayo njengoba endaweni amanethiwekhi wendawo okusekelwe ubuchwepheshe-Ethernet ejwayelekile.

NEC kanye chip yayo

NEC Corporation cishe ngokushesha ngemva kokukhululwa kwe-IEEE-1394 imemezele ukuthi ucala kutfutfukisa chip ezizosetshenziselwa ukusekela hardware umzila kuwo wonke amanethiwekhi eziningi ngokususelwa le ndinganiso, kanye nokuqinisekisa amanethiwekhi yabo evamile nokuxhumana broadband ikhaya standard. chip okunjalo ezimbili-port ifakwe software ezikhethekile, firmware, ngokuzenzakalelayo ukumisa inethiwekhi kanye nokunikeza kungenzeka wokusungula ukuhlobana amadivayisi ezihlukene zenethiwekhi, futhi kufaka phakathi idivayisi yeselula zokuxhumana. Kule ndaba, kukhona kungenzeka wokudlulisela inethiwekhi yakho yasekhaya emngceleni lendlu ethile at ibanga ikhilomitha elilodwa.

Impendulo Sony

Ngalesi sikhathi, i-Sony uyaqhubeka ukuthuthukisa umqondo esekelwe inethiwekhi ekhaya FireWire IEEE-1394, futhi inkampani ehlela eminye silondoloze ukuthuthukiswa ukhona ezihlukahlukayo focus esiwusizo futhi uya bahlanganyele emsebenzini wokukhiqiza ngaphezulu ngesivinini esikhulu, eliphezulu umthamo futhi izingxenye compact ongaphakeme energy ukusetshenziswa. Amadivayisi anjalo kuzohluka ububanzi ngokwanele ebanzi izicelo, kanye nokuhlanganiswa okwengeziwe ku chipset uhlelo, futhi inkampani inakekela amakhasimende ayo nge zikagesi onhlobonhlobo axhunyiwe kunethiwekhi ekhaya. Lokhu izakhiwo libizwa HAVi, ukudala uhlobo ekhaya digital, esekelwe IEEE-1394 i-FireWire.

amakhompyutha Standard

IEEE-1394 standard, ikhebula izithombe ongawabona ngezansi, uye yabakhanga hhayi kuphela Abenzi ahlukahlukene imishini yabezindaba, kodwa futhi onjiniyela, wahlanganyela yokukhiqiza of amadivayisi computer. Ngokuhamba kwesikhathi, lokhu kwaba isiqalo inethiwekhi standard, okuyinto kakhulu eduze engu wedijithali.

Uma engena yesistimu yokusebenza Windows seminyaka eyiNkulungwane, onjiniyela ekuqaleni ivume ukwesekwa amanethiwekhi wendawo esekelwe isilawuli IEEE-1394, izici okuyinto ngaleso sikhathi babe banengi okwedlula okwanele. inethiwekhi okunjalo libhekene kuqhathaniswa okusezingeni eliphezulu idatha isilinganiso, owawungumnyaka kane kuka e ukusetshenziswa okwamanje kuqhathaniswa -Ethernet Fast, kanye nokuba elula kakhulu ehhovisi elincane noma ekhaya. I lula kuphela inqubo yokuhlakulela le nethiwekhi wukuthi lapha kukhona umkhawulo kancane ubude ingxenye ngayinye. Ukuze kuqedwe lokhu ethile IEEE-1394 Jikelele kanye nezici zedivayisi luye lwabonisa ukuthi iyona engcono kunazo ukusebenzisa ezikhethekile isignali yokukhulisa umsindo kanye zonke izikhungo izinhlobo umfuyi egijima ku emachwebeni amaningana. Amadivayisi anjalo abizwa ngokuthi "ukuphinda".

USB 2.0 vs IEEE-1394

Cishe ngokuphazima kweso ezikhishwe USB 2.0 esibonakalayo waqala ukuncintisana IEEE-1394. Uhlolojikelele Kudivayisi wabonisa ukuthi ukudluliswa kwedatha kokusetshenziswa kubonwa lokuqala kubonisa 480 Mbit / s ngesikhathi, kwaba okungaphezu inguqulo yokuqala ye-USB.

USB ibhasi ngokushesha kwaduma kakhulu, ngoba kwaba ezishibhile ongakhetha eyanele ukusekela isilawuli, okungenza ukuba kugxiliswe ngqo chipsets ngoba motherboards ezahlukene. Futhi cishe ngokushesha, kwaboniswa ukuthi isivinini kungenziwa igcwaliseke ngefomethi ye isilawuli ezakhelwe chipset. Naphezu kwakho konke lokhu, i-Microsoft akushilo ukuthi okubalulekile yiso le-IEEE-1394 (port), USB ihlukile indlela yokudlulisa emgudu munye, ukuze evamile ancintisane FireWire format ngokuya ukudluliselwa ezidijithali zevidiyo, akakwazi.

Ngamanye amazwi, kunoma iyiphi idivayisi ye usebenzisa le esibonakalayo kungaba ngokuphelele ukuxhumana ezihlukahlukene computer kokuba interface, futhi phakathi kwabo. Ngakho, abasebenzisi bakwazi ukudluliswa ngesivinini, ukucubungula ulwazi ukugcina, ngaphandle kokudala iyiphi Oqala ukungezwa aze agcine izinga.

abalawuli

On ukudayiswa kwakukhona isilawuli isisindo ekhishwe ezihlukahlukene abakhiqizi. abalawuli Ekuqaleni okwandile ukuthi ukusekela OHCI ejwayelekile, njengoba-ke kwakudingekile ukuqinisekisa ukwesekwa okufanele for uhlelo lokusebenza lwe-Windows 2000, okuyinto uthishanhloko ngaleso sikhathi.

Amanani adapters ezahlukene ukuthi ukusekela IEEE-1394 esibonakalayo ngokwanele ongaphakeme futhi kufinyeleleke cishe wonke umuntu. Ngo amadivayisi ethile bebelokhu, okwabangela inhlekelele ngaphansi kuka- $ 35

Ingabe kulukhuni ukuyifaka?

Ukufakwa kwalesi isilawuli kuyinto elula kakhulu, ngoba, njengoba kushiwo ngenhla, i-Microsoft ekuqaleni enikeziwe ukuze asekele lo esibonakalayo esithile, ukuze zonke izingxenye ezidingekayo abakhona ohlelweni lokusebenza. Kwanele nje ufaka disc eqoshiwe ohlelweni ukusatshalaliswa, bese, uma isidingo kube, ukuhlanganyela ukufakwa zonke izakhi ezidingekayo.

Ngo iningi labantu amacala FireWire isilawuli uphazamisa wabelane-USB isilawuli, kodwa awekho izingxabano kuphakama, ngisho noma usebenza ngesikhathi esifanayo.

Kuyaphawuleka amabhodi ambalwa zikhona ezinye amakhompyutha, kuze kube yilolu suku.

Datavision DV Capture

Leli bhodi kuyinto ejwayelekile umndeni IEEE-1394 amabhodi, kwenkululeko lapho ubanzi ngokwanele. Ezimweni eziningi kunenzuzo limelela PCI-ibhodi kokuba ezimbili noma ezintathu izimbobo ezengeziwe zangaphandle kanye ngaphakathi kithi. Ukulethwa kokuqala inikezwa isofthiwe azikubheki eyenzelwe ukuhlela ividiyo. Lezi zimali esetshenziswa abakhiqizi abaningi, kodwa bonke okufanayo. rates abo ehlukene, futhi ikhithi kungenzeka ikhebula samanje noma ngingekho yokuxhuma FireWire-Amadivayisi ahlukahlukene.

DVeasy

Leli bhodi kuyinto efana kulowo odlule, kodwa kulokhu azikho nezimbobo IEEE-1394 yangaphakathi. Kuyini ukuqonda ezimbalwa, njengoba ziningi izizathu eziholela isidingo khona okungenani oyedwa port yangaphakathi, kodwa abakhiqizi yalezi amabhodi wazizwa ngendlela ehlukile, nge izindleko ibhodi efakwe nse Amadivayisi standard.

Umehluko phakathi leli khadi lonke ukuthi has a isofthiwe sasivumela ababezibheka eyenzelwe ukuhlela ividiyo, futhi isikhombimsebenzisi yayo zifana de empeleni waba indinganiso kule ndawo. Ikakhulukazi, kuyafaneleka ukuthi isofthiwe kuhlanganisa ezihlukahlukene izinto ewusizo, kuhlanganise ukuhumusha ingemuva, ngokusiza "kukhanye up" elinde umphumela wokugcina.

Dazzle DV-Elitor

Uma ijubane idatha ukucutshungulwa laptops cishe elilingana ijubane computer, izingxube ezihlukahlukene zoketshezi ephathekayo ngokwethukela zaqala ukusetshenziswa ukunikeza input bese okunye nevidiyo ekuhambeni, kanye ukusetshenziswa amaningi nezinye FireWire-azungeze. kits okunjalo ukunikeza abasebenzisi laptop ukuxhuma ngokuphelele kunoma iyiphi idivayisi ye usebenzisa IEEE-1394, ekhadini PCMCIA Uhlobo II. Iphakheji esezingeni amakhadi ukwethula ekhethekile emine wire ikhebula. Ngeshwa, baningana Inani lamadivayisi nale interface ofuna sebenzisa intambo eziyisithupha-wire, ukuze bakwazi ngale ikhadi.

I izikhwebu samanje inguqulo lula Isiqophi Studio 4, okuhloswe ngalo ukuhlela bese ufaka vidiyo. Uhlelo kulula sasivumela ukufunda, kodwa ngenxa SmartRender ubuchwepheshe ozinikele iyehlisa isikhathi esiphelele ukuthi lwenziwa yisikhungo enemininingwane kakhulu miscalculation imiphumela ngesikhathi ukuthekelisa yokugcina wefayela siphelile kuphela.

Map impela ezingabizi ngokuya izindleko kakhulu abasebenzisi lanamuhla, futhi ibuye ifakwe ikhebuli ehlangene. Nokho, kuyafaneleka ukuthi ukungabi kwamandla sina kukhawula ukusebenza ikhadi kuqhathaniswa kumadivaysi ezifanayo.

Ngakho, abasebenzisi zithole ithuba lokukhetha omunye amakhadi ambalwa, qhathanisa izici zabo futhi ukuthola ncamashí ukuhlelwa, lokho kukhetha efaneleke kakhulu izimo zabo. Kodwa ngokuvamile, sekuyigama elisetshenziswa ayifanele ngakho ngenxa ekhona USB 3.0 esibonakalayo, nabanye.