简介:Face-to-faceVideoconferencingisapopularoptionformanylargeorganizationsbecauseitminimizestheneedfortravel.Insteadofcontinuallypayingfortravelingexpenses,acompanycaneitherpaytosetupahighspeednetworkwhichhasmanyusages(includingvideoconferencing)ortheycanrenttimeonanexistingnetwork.Employeeswillalsonolongerbeburdenedwiththeneedtotravel.Whileface-to-facevideoconferencingperformanceisheavilyinfluencedbytheunderlyinghardwareandsoftware,agoodvideocompressionschemecanhelpmakethebestuseofvideoconferencingandprovideahighqualitypicture.H.263standardisnowwidelyusedforreal-timevideocommunicationsoverarangeofnetworksincludingtheInternet.AframeworkforbetterunderstandingtheH.263includingtheimplementationofencoderanddecoderforface-to-facevideoconferencingispresented.ThissoftwarewaswritteninC++language,runningundertheMicrosoftWindowsoperatingsystem.
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简介:“在巴厘岛上.任何地方都是可以拍照的.哪怕在寺庙里也没问题。”当地的华裔导游老张在介绍巴厘岛的时候这样说道。听到这句话,我们每一个人的心里踏实了不少.毕竟我们这一次就是为了拍照而来的.这从我们每个人脖子上挂着的两个相机就可以看出个大概。