一、数字电视(DTV)带来的挑战 数字电视技术一直是音视频领域研究的一个热点和难点。近年来,在美国大联盟方案和ATSC标准确定之后,HDTV已进入技术实施阶段。数字电视技术将要把消费者和电视行业带入新的时代。但是,在数字电视被消费者完全接受之前,它面临着几个重大的挑战。电子制造厂家将面临着迅速生产出多种 First, the challenges of digital television (DTV) Digital television technology has been a hot and difficult area of ​​audio and video research. In recent years, HDTV has entered the technical implementation stage after the U.S. Grand Alliance program and the ATSC standard were finalized. Digital television technology will bring the consumer and television industries to a new era. However, until digital television is fully accepted by consumers, it faces several major challenges. Electronic manufacturers will face the rapid production of a variety