3GP Izixhobo

Guqula 3GP ukuya nokubuya kwiifomathi ezahlukeneyo

Malunga 3GP

I-3GP yi-MP4 ekhutshwe phantsi eyenziwe kuthungelwano lwefowuni oludlulileyo, ngoko iifayile zincinci kodwa ubungakanani kunye nomgangatho wesandi umiselwe.

Iindlela Ezisetyenziswa Ngazo Eziqhelekileyo

Mobile video
3G streaming
Phone video

3GP Imibuzo Ebuzwa Rhoqo Ngokuguqula

Yintoni ifayili 3GP?

3GP is a multimedia container format designed for 3G mobile phones.

Ingaba ifayili 3GP ifana ne MP4 engaphantsi?

Uyilo lwazo lufana. 3GP ikhiwa ukusuka kwi ISO Base Media File Format ibhokisi yobeko i MP4 isebenzisa - umthi we atoms ugcina i media data kunye nesalathisi esitsho apho iframe nganye iqala khona. Le yisizathu sokuba uguqulelo phakathi kwabo luya kuba ngumqolo omtsha kunokuba uphinde ukhowudi: imijelo ikopiwe ngaphezulu engaxutywanga kwaye kuphela umqolo uphinde ubhalwe, othatha imizuzwana nakwifayile yobude bezinto eziluncedo. I-3GP yindawo yokugcina i-3GPP emiselweyo yefowuni eziqalayo, xa ividiyo ifuna ukuhambelana ne-176x144 yekhusi kunye ne-2G yenkqubo yedatha.

Kutheni le nto ifowuni yam igcina konke njenge 3GP?

Kuba isixhobo sefowuni sikhowudisa nantoni na ichip yayo eyenza kwihardware, kwaye 3GP yiyo loo silicon yakhiwa kuyo. Inkqubo yekhamera ayifuni umbuzo - ibhala ifomati yesixhobo esikwaziyo ukuvelisa ngaphandle kokucinezela okanye ukufudumeza, ekufunekanga ifomati nantoni na enye efuna ukufumana. Ukutshintsha emva koko kuqhelekileyo kwaye akubiza nto kwixabiso xa injongo igcina umthwalo ofanayo.

Kutheni i-browser yam ingadlala ifayili 3GP?

Iibrawuzeri zithutha abacoci boluhlu olufutshane lweefomati, kwaye 3GP 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. I-3GP iphele kwizisombululo eziphantsi kunye nesandi esiphezulu sokuthetha-thethana; ukunyusa ayizukubuyisela inkcukacha ezingazange zithathelwe.

Ingaba i 3GP iyadlala kwifowuni okanye kwiTV ngaphandle kokutywina ibhetri?

Iinkqubo zekhompyutha I-3GP igcina i-H.263 okanye i-MPEG-4 Inxalenye yesibini yevidiyo ene-AMR yesandi sokuthetha esinomqolo omfutshane, zonke zilungelelaniswe kwi-bitrate encinci kunekhwalithi.

Ingaba ndimele ndigcine iifayile ezintsha njenge 3GP?

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 3GP?

Ecaleni kwayo, okanye kwimifanekiso. 3GP ayinalo unikezelo lwesicatshulwa esingaphantsi sayo, ngoko ke ukhetho olubini luyi-sidecar.srt ifayili umdlali olayishe phantsi kwevidiyo, okanye ukucofa umbhalo kwi-frames ngexesha lokucofa kwakhona. I-sidecar igcina isicatshulwa esingaphantsi esihleli kwaye sitshintshe kodwa ihamba njengefayili yesibini elula ukulahleka; ukucofa ngaphakathi kuqhubeka nakweyiphi na i-transfer kodwa akufuneki kuvalwa emva koko.

Kutheni le nto i-audio track enye kuphela ephila kwi 3GP yam?

Kuba loo nto yonke ifomati ihambisa ngokunyanisekileyo. Iindlela zesandi ezingaphezulu zingabhalwa kwi 3GP, kodwa uxhaso lokudlala emva kwesinye esikuqala asihambelani ngokwaneleyo ukuba izixhobo ezininzi zigcine enye kwaye zisuse ezinye. Ukuba umcebo unegqabaza okanye iilwimi ezimbini, khupha ezi zifayili zesandi ezihlukileyo kunokuba uthembele kuzo kwisiqulathi seefayili esifihlayo.

Ingaba ukusebenzisa i 3GP 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.

Ingaba isandi kwi 3GP simiselwe kwi-stereo?

Ukwenza oku kunjalo. Ifomati yacaciswa malunga nesinye okanye ii canals ezimbini, ngoko ke umxube ojikelezayo kufuneka ujikelezwe ezantsi kwi stereo ukufakela - elungileyo kwi headphones kunye nefowuni yomculi kwaye engalunganga nantoni na ehambayo kwi home cinema umxhasi. Ukuba umxholo unemixholo emininzi efanele ugcinwe, guqula kwicontainer ehambisa ngaphezu kokushiya umxube ophantsi ukwenzeka ngokucokisekileyo.

Ndingayinika kwakhona igama elipheleleyo lesiqendu endaweni yokuguqula i 3GP?

Akukho nanye, kwaye ifanele ukuqonda kutheni: unikezelo luphawu, ngelixa i bytes ngaphakathi zidityaniswe kwifomati ekhethekileyo. Ukuphinda ubize ifayile ivelisa ifayile igama layo lithembisa into imixholo yayo ayinikezeli, kwaye nantoni na evula ifayile okanye ilahlekile ifayile okanye ifunda ngokungachanekanga. Ukuphela kwendlela efutshane kuhlobo olubini oluyinyani ibhokisi efanayo phantsi kwegama elahlukileyo - kwaye nalapho ukuphinda ubhale ngokuchanekileyo kukhuselekile kunegama elahlukileyo.

Ndingaguqula isiqulathi seefayili esipheleleyo se 3GP iifayili ngenye indlela?

Nge akhawunti, ewe - shiya ngaphaya kunye kwaye zifolwa njengemisebenzi enye endaweni yokuphathwa enye ngexesha, ngemimiselo efanayo esetyenziswa kwiqela kunye neziphumo ezibuyiselweyo kunye. Uguqulelo oluzenzekelayo luqhuba ifayile enye ngexesha (izixhobo zokudibanisa zithatha ezimbini); inkqubo ehlawulweyo ivula uqhubekeko lweqela kunye nobukhulu befayile nganye umda, owenza uguqulelo lwefayile yonke yovimba isebenziseke.