一、新型显示设备和数字电视制式激励出巨大市场电视是上个世纪二十年代发明的,二次大战后逐步替代广播成为人们心眼中最有影响力的传媒和娱乐工具。三十年后,欧美国家开始彩电广播,五十年后彩色电视制式开始在全世界普及。我国是从1958年开始电视广播的。但开始普及是从七十年代中期的九英 First, the new display devices and digital television system to stimulate a huge market TV was invented in the twenties of last century, after World War II and gradually replace broadcasting become the hearts of people’s minds the most influential media and entertainment tools. Thirty years later, Europe and the United States started color TV broadcasting. Fifty years later, the color television system began to popularize around the world. Our country started the television broadcasting from 1958. But beginning to popularize nine from the mid-seventies