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在科技日新月异的今天,电视广播系统由模拟向数字的变迁已成为现实,预计在未来两年中,35％的电视接收将会是数字的。除了家庭用传统电视接收机,消费者也期待便携式和移动电视接收机。移动接收的典型应用是车载电视,而便携式接收的典型应用是具有电视接收功能的手机。移动与便携式电视的开发为消费者在数字新纪元里提供了新的机会、市场和众多的应用。本文将介绍不同的移动与便携式电视系统、现有的采用传统器件的系统构造方式以及未来的发展方向。本文所依据的标准是DVB和ISDB。
With the ever-changing technology, the transition from analogue to digital television broadcasting has become a reality. It is estimated that 35% of the television reception will be digital in the next two years. In addition to traditional television receivers for home use, consumers are also looking for portable and mobile television receivers. A typical application of mobile reception is a car TV, while a typical application of portable reception is a cell phone with a television reception function. The development of mobile and portable TVs offers new opportunities, markets and numerous applications for consumers in the digital era. This article will introduce different mobile and portable TV systems, the existing system construction using traditional devices, and future directions for development. The standard on which this article is based is DVB and ISDB.