数字移动电视顾名思义就是采用了先进的数字电视技术,可以在移动状态中收看的电视。数字移动电视是国际公认的新兴媒体,是全新概念的信息型移动户外数字电视传媒,是传统电视媒体的延伸,被称为"第五媒体"。它以数字技术为支撑,通过无线数字信号发射、地面数字接收的方式进行电视节目传播。
当电视信号变为数字信号后,许多电视的频率带宽都被闲置下来。 因此,在一个渴望无线资源的国家,这些频带被引向移动接入应用可谓众望所归。
Many of the TV frequency bands have been vacated by TV's move to digital, so, in a country hungry for wireless resources, it was proposed that this spectrum get redirected to mobile access use.
移动DTV是一种广播标准(ATSC M/H),可以使设备在移动时,例如在城市轻轨上,也能够接收数字电视广播信号。
Mobile DTV is a broadcast standard (ATSC M/H) that allows devices to receive DTV broadcasts while actually moving, like on a commuter train.
移动数字电视的推广以国内三家民营运营商为主。
Mobile digital television to promote a domestic three main private operators.
应用推荐