MPG Izixhobo

Guqula MPG ukuya nokubuya kwiifomathi ezahlukeneyo

Malunga MPG

I-MPG ifana ne-MPEG-1 okanye i-MPEG-2 ividiyo njenge-.mpeg, kuphela uluhlu olufutshane lwe-DOS-era software efunekayo.

Iindlela Ezisetyenziswa Ngazo Eziqhelekileyo

Video distribution
Broadcast media
DVD video

MPG Imibuzo Ebuzwa Rhoqo Ngokuguqula

Yintoni ifayili MPG?

MPG (MPEG) is a family of standards for coding audio-visual information.

Yintoni inkqubo ye-MPEG yokuhamba, kwaye kutheni ifayili yam injalo?

I-multiplex eyenziwe ukuba ikhowudiwe yi-hardware esebenzayo eqinileyo ngexesha elibonakalayo, ayikwazi ukuhlela kwikhompyutha. Iipakethi zesandi nevidiyo zidityanisiwe namaphawu okulinganisa ixesha ukuze ibhokisi esetiweyo ephezulu ingaqala ukudlala ukusuka naphi na kwi-stream, ngaphandle kwesikhokelo kunye nokungagcini phantsi ifayile yonke. Lo yilo luthetha ukuba MPG imixholo idlala kwizixhobo ezidala ngaphandle kwengxaki kwaye ingqubana nesoftware yakudala rhoqo. Okuqulethwe yi-MPEG-1 okanye i-MPEG-2 ividiyo ene-MP2 umsindo; ukudibanisa nokwakhiwa kwe-GOP kufana ne-.mpeg ifayili.

Kutheni inkqubo yokusebenza yokusasaza nokubhala ifuna MPG?

Kuba umbhobho wonke wakhiwa kuwo. Abancedisi abadlalayo, i DVD ebhaliweyo isixhobo kunye nenkqubo yokuthatha inkqubo yacaciswa malunga nale fomati xa yayikhona, nezixhobo ezineminyaka emibini yobomi benkonzo ayikwazi ukucaciswa kwakhona. Iifayile eziphumayo ezinkqubo zifomati yenkqubo eyenziweyo ukuvelisa, hayi ukhetho olunokwenziwa kutsha nje. MPG yi DVD yoshicilelo lwesoftware yolubanzi, i-camcorders edala kunye nezixhobo zokusasaza ukutya ziyazi, ngoko ihlala isetyenziswa kwezi ntambo.

Ingaba i-MPG ifana nefomati yesinye isiqalelo?

Ewe. Eli xhulumaniso negama elide okanye elifutshane obona ngaphaya kwayo lichaza ifomati enye ephantsi, kwaye nantoni na efunda okanye ifunda zombini. Amagama amabini akwimbali: umda wegama lefayile leimpawu ezisibhozo ukusuka kwi DOS yexesha, umboneleli onika igama lodweliso lwenkqubo endaweni yefomati yefayile, okanye iinkqubo ezimbini eziqhelekileyo ezihlukileyo. Uguqulelo lwesibini luvelisa iziphumo ezifanayo, ngoko sebenzisa naluphi na uxhulumaniso isoftware kwinye icala elindeleyo.

Kutheni i-browser yam ingadlala ifayili MPG?

Iibrawuzeri zithutha abacoci boluhlu olufutshane lweefomati, kwaye MPG ayikho kuyo - ilayisensi, udidi lwe codec ivumela, okanye ubudala bayo bugcina ngaphandle. Ifayile ayilahli kwaye umdlali we desktop uya kuyivula, kodwa akukho nto oyenzayo kwiphepha izakwenza umkhangeli zincwadi uyenze. Ukutshintsha kwi web- native container yindlela ethembekileyo kuphela yokudlala ngaphakathi. MPG ifumana yonke i MPEG-2 imida - i-bitrate enzima, uthungelwano, akukho sihloko esicocekileyo - kunye nokungaqhelekanga kweendawo ezimbini zokukhupha ifomati enye.

Kutheni le nto i-MPG yevidiyo yam ibonisa imigca ye-comb nantoni na ehambayo?

Kuba idityaniswe. Imixholo kule fomati ihlala ivela kwixesha le-DVD, apho iframe nganye igcinwa njengemihlaba emibini ephakathi- ubude ethathwe njengeshumi elinesixhenxe lemizuzu. Ikhusi eliqhubekekayo libonisa zombini ngaxeshanye, ngoko intshukumo phakathi kweemboniselo ezimbini ibonakala njenge combing ethe tyaba. Ukususa udityaniswe kuguqulelo ludibanisa imihlaba kwiframes ezipheleleyo kwaye i-artefact iphela. I-MPG ifana nenkqubo ye-MPEG ejikelezayo njenge-.mpeg — uluhlu lweeleta ezintathu luyi-DOS-era truncation, hayi ifomati eyahlukileyo.

Ingaba i MPG iyadlala kwifowuni okanye kwiTV ngaphandle kokutywina ibhetri?

Iinkqubo zekhompyutha

Ingaba ndimele ndigcine iifayile ezintsha njenge MPG?

Ukuba into ephantsi kwendlela ifuna oku. Ifomati iyaqhubeka ivula, kwaye akukho mcimbi wokuguqula uvimba ongazibangela iingxaki, kodwa ayikwazi ukuqhubeka apho isixhobo okanye usebenziso luya khona. Kwanoma iyiphi into entsha, ifomati yangoku ayihlawuli nto engaphezulu kwaye ikhusela umjikelo olandelayo wombuzo kwiminyaka emininzi ezayo.

Apho i-subtitles ihamba khona kwifayili MPG?

Ecaleni kwayo, okanye kwimifanekiso. MPG ayinalo unikezelo lwesicatshulwa esingaphantsi, ngoko ke iinketho ezimbini ziyi-sidecar.srt ifayile umdlali ulayisha phantsi kwevidiyo, okanye ukutshaya umbhalo kwiframes ngexesha lokubuyisela ukukhowuda. I-sidecar igcina isicatshulwa esingaphantsi esihleli kwaye sitshintshela kodwa ihamba njengefayili yesibini elula ukulahleka; ukufakela kuqhubeka nakweyiphi na i-transfer kodwa akufuneki kuvalwa emva koko.

Ingaba kubaluleke na ukuba u MPG uneminyaka engaphezu kweeminyaka ezimashumi amathathu ubudala?

Ubudala ngokwalo alukuyingxaki - iifomati ezininzi ezivela kulo nyaka zihlala zilungile, ngokucacileyo ngenxa yokuba konke kwakuba neminyaka emininzi yokuzisebenzisa. Okubalulekileyo kulapho ixesha licinga khona: iifayile ezincinci, abaqhubi abancinci, akukho msebenzi womnatha, kunye neempawu ezingafunekiyo. Apho ezi zinto zicinga khona, ifomati ilungile. Apho azisebenzi, le yisizathu sokuguqula.

Ingaba ifayili enye MPG igcina iingoma ezininzi zesandi?

Ewe - udidi lwesivakalisi, i-dub neengcamango zonke zingahlala kwifayile efanayo nomdlali otshintshela phakathi kwabo. Izilumkiso ezimbini: ifowuni ezininzi kunye nabadlali betelevisi babonisa kuphela umculo wokuqala kodwa abaninzi bakhona, noguqulelo kwifomati ngaphandle koxhaso oluninzi lwesivakalisi sigcina umculo omnye kwaye sikhupha okunye. Khetha umculo ofuna phambi kokuguqula, kunokuba ufunde emva kokuba omnye uphile.

Ingaba ukusebenzisa i MPG kudinga ilayisenisi yepateni?

Ayikuko kuwe. Ii codecs ezibandakanyiweyo ziquka iindidi zepateni, kwaye ilayisensi ibekwe ngabantu abathutha ii decoders - ifowuni, umkhangeli zincwadi, indlela yokusebenza - ixesha elide phambi kokuba ifayile ifike kuwe. Yiyo loo nto ifomati ikho kuyo yonke ihardware kwaye kutheni i royalty- free efana nayo ikhona, kwaye ayitshintshanga nto malunga nokuguqula ifayile oyinayo.