广东外语外贸大学：《国际交流》课程教学资源（PPT课件）mass comm lecture 4（2）supp

Telephone ● Voice transmission One-to-one Home medium

Telephone • Voice transmission • One-to-one • Home medium

Movie An image technology ° Photography Public 三 ntertainment ° Star systen

Movie ---An image technology • Photography • Public • Entertainment • Star system

Radio and television -a broadcasting media ● Private Public vs commercial broadcasting system

Radio and Television ---broadcasting media • Private • Public vs. commercial broadcasting system

Video recorder .A revolution on sender-audience relationship; ° Change on timing and programing

Video Recorder • A revolution on sender-audience relationship; • Change on timing and programming;

Internet o Decentralizing Space of flow of informationg Empowering

Internet • Decentralizing; • Space of flow of information; • Empowering