标签: 国外经典教材

Apopularbuzzwordhasbeen“convergence”—theintersectionofvarioustechnologiesthatwerepreviouslyunrelated.Oneofthekeyelementsofmultimediaconvergenceinthehomeandbusinesshasbeenvideo.Afewshortyearsago,theapplicationsforvideoweresomewhatconfined—analogbroadcastandcabletelevision,analogVCRs,analogsettopboxeswithlimitedfunctionality,andsimpleanalogvideocaptureforthepersonalcomputer(PC).Sincethen,therehasbeenatremendousandrapidconversiontodigitalvideo,mostlybasedontheMPEGandDV(DigitalVideo)standards.……