1997年4月5日～10日举行的NAB展览会的热门话题是美国下一代电视ATV。在这次展览会之前,FCC已经制定出具体的数字电视(ATV)广播时间表。会上展出的数字电视广播用的设备及节目制作设备引起人们极大的关注。计算机部门制定了数字电视的图像格式,并号召广播部门采用。 美国的地面数字电视广播已开始进入倒计时。1998年年中将正式开始数字电视广播。在今年NAB展览会上,数字电视广播引 The hot topic at the NAB show, April 5 to 10, 1997, is the next generation of ATV in the United States. Prior to this exhibition, the FCC has developed a specific digital television (ATV) broadcast schedule. The equipment and programming equipment for digital television broadcasting on display at the conference aroused great concern. The computer department developed the digital television image format and called for the broadcasting sector to adopt it. Terrestrial digital television broadcasting in the United States has begun to countdown. Digital television broadcasting will officially begin in mid-1998. At this year’s NAB show, digital television broadcasts cited