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High definition television systems

机译：高清晰度电视系统

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High definition television (HDTV) services will play the most important role in the digital television systems for the future. HDTV is already broadcast daily in Japan and advanced television (ATV) standards will soon be established in the US. The hardware systems for two HDTV systems, the 1125/60 and 1250/50 systems, have already been developed. Their outlines are described in the paper. Signal processing of HDTV is mainly carried out by digital methods on both the studio and receiver sides. The principles of processing are the same as for conventional television but the higher clock frequency and larger quantity of information require more sophisticated hardware. Digital signal processing methods are the key technology in HDTV broadcasting systems regardless of whether modulation is analog or digital. Some broadcasting systems are already practical use while others, are experimental. The author discusses these systems. The aim of the article is to present a global scope of the HDTV technology.
机译：高清晰度电视（HDTV）服务将在未来的数字电视系统中扮演最重要的角色。 HDTV已在日本每天播出，而高级电视（ATV）标准将很快在美国建立。已经开发了用于两个HDTV系统1125/60和1250/50系统的硬件系统。本文概述了它们的轮廓。 HDTV的信号处理主要在演播室和接收器端通过数字方法进行。处理的原理与常规电视相同，但是更高的时钟频率和更多信息需要更复杂的硬件。无论调制方式是模拟还是数字，数字信号处理方法都是HDTV广播系统中的关键技术。一些广播系统已经在实际使用中，而另一些则处于试验阶段。作者讨论了这些系统。本文的目的是介绍HDTV技术的全球范围。

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