高清晰度电视（HDTV） 信号传输的基础是高效信源压缩编码技术的实用化。
The practice of high - efficiency source compression coding is the basis of the transmission of HDTV signal.
适用于地面、电缆传输系统的数字高清晰度电视接收机顶盒，正在由研制阶段走向规模化生产。
The development of HDTV STB for terrestrial and cable broadcasting systems is now entering upon a new industrialization stage.
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