Mene ne wani Codec da kuma abin da su ga?

A yanar-gizo da za ka iya sau da yawa sami tambayar "abin codecs". Don amsa da shi, bari mu tuna da tsarinsa na dijital data.

Kowannen mu a kalla sau daya ganin video a kan kwamfutarka, mobile na'urar ko music player. Kuma sauraron audio waƙoƙi ya zama haka kowa cewa a yanzu, daga cikin tituna na birnin, shi ne wuya ba saduwa wani tare da belun kunne. A daidai wannan 'yan mutane tunani game da wadanda lissafin wanda dole bi da tsakiyar processor da graphics katin, shirya image ko sauti. Zai ze cewa wani lissafin? A wannan cassette 'yan wasa ba tare da ciwon sarrafawa (ba ciki har da na musamman), remarkably sun jimre da su ɗawainiya. Duk da haka, irin wannan kwatanta shi ne ba daidai ba, tun kowane fayil halin ba ta da tsawon da tef a mita, da kuma girma na -mega -Oral terabytes, da kuma free sarari a kan kafofin watsa labarai ba zai iya samun isasshen. Yawancin lokaci duk tambayoyi bace sau daya bayyana da girman da dijital video rafi: a 1 minti HDTV misali ne game da 3 GB. Saboda haka yanzu duk video da kuma audio da aka sarrafa ta musamman shirye-shirye da rage file size ta cire (matsawa, matsawa) wani bangare ne na ba-da muhimmanci bayanai. Akwai su da yawa irin wannan shirye-shirye, amma yadu amfani kawai 'yan. Alal misali, video codecs - shi ne DIVX, xvid, x264, da dai sauransu Amma a cikin sauti filin daga da dama kasa .. Amma, a nan ya ci sarauta wadannan codecs for audio: MPEG Layer version 3, AC-3 da uncompressed WAV format. Yanzu da talakawan kwamfuta mai amfani a sami wani misali na uncompressed rafi ne kusan ba zai yiwu.

A amsar wannan tambaya "abin ne Codec" shi ne: Codec - a kananan musamman shirin ko library (DLL), abin da hidima a matsayin tsarinsa (matsawa) da kuma dikodi mai fayiloli, multimedia qarqashinsu. Misali mai amfani ya bude wani software player video fayil. A tsarin da kowane fayil da ke cikin bayanai naúrar nuna shi via wani Codec matsawa da aka yi. Bisa player bayanai karanta data buƙatun tsarin aiki a kan wurin da Codec da kuma amfani da shi don karanta rafi, outputting video a kan allo. Idan tsarin na Codec ba ba, to, ku same shi ba zai yiwu ba a yi wasa da baya da sako. A musamman harka - ne kawai sauti ko kawai video.

Sanin abin da codecs iya zama da amfani don ƙayyade, ta hanyar da manufa fayil an matsa. Wannan na bukatar da mediainfo shirin, GSpot ko da kamar abin da ya karanta data block. Akwai su da yawa, wani lokacin ma wani aikace-aikace don aiki tare da multimedia fayiloli (Format Factory) samar da irin wannan damar. Mun shiryar da siginan to da ake so fayil da kuma kiran da menu. A mahada "View" ko "Aika wa" zaži zai zama wajibi. Next, al'amarin ga kananan - don saukewa kuma shigar da wadannan codecs.

Wa san abin da codecs saukin warware matsalar inoperability na multimedia fayiloli. Ba ka bukatar ka shiga cikin fasali na musamman encoder ko karanta Multi-page manual. The bayani sosai sauki - saukewa kuma shigar musamman free tarin codecs. A halin yanzu daya daga cikin mafi kyau - wannan shi ne K-Lite Codec Pack. Sa wanzu a cikin da dama iri, don haka yana da kyau ba domin ya kiyaye 'yan karin megabytes ciyar, kuma nan da nan download Mega Pack. A lokacin da installing sabon shiga iya amfani da shawarar developer saituna, da kuma ci-gaba masu amfani da ake nema don a nuna cewa shi ne dole ka yi rajista a cikin tsarin. Bayan installing K-Lite duk codecs za a rajista da kuma ba za su iya ta atomatik haɗi zuwa mai kunnawa kan request. Wannan shi ne, gaban codecs ga mai amfani na sosai "m".

Akwai kuma wata hanya zuwa wasa multimedia fayiloli. Domin wannan ne musamman 'yan wasa (PotPlayer, VLC, da dai sauransu). Algorithms for dikodi mai suna a kansu.