说明：  HDTV视频内容创作的繁荣以及在带宽受限的广播信道环境中传送这些视频内容的方法，不断催生新的视频压缩标准和相关视频图像处理设备。
(HDTV video content creation and prosperity as well as bandwidth-constrained environment of the broadcasting channel to send video content of these methods, birth of a new video compression standards and associated video image processing equipment.)