数字电视机顶盒，又称为综合接收解码器（IRD，Integrated Receive Decoder）。它的主要功能就是将接收下来的数字电视信号转换为模拟电视信号，让使用模拟电视机的用户不用更换电视机也...
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...基于有线电视网络的模拟频道增补器,模拟频道解扰器,到将电话线与电视机联系在一起的"上网机顶盒",数字卫星的综合接收解码器(IRD,Integrated Receive Decoder),数字地面机顶盒,以及有线电视数字机顶盒都可称为机顶盒.
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综合接收解码器 integrated receiver decoder ; IRD
集成接收解码器 IRDIntegrated Receive Decoder
综合接收机/解码器 IS Integrated Receiver/Decoder
集成的接收机/解码器 integrated receiver/decoder
这些数据帮助综合接收解码器（ IRD）自动调谐，给用户提供附加信息，使IRD能自动设置可供选择的业务。
These data help IRD tune automatically, provide users with an additional information, making IRD automatically set up the optional services. SI provides all data that EPG needs.
开展手机电视业务，手机必须添加调谐器、解调器、解码器等模块，接收和处理电视信号，对手机的体积和功耗提出了巨大挑战。
It puts new hardware requirements on the handset, requiring a tuner, a demodulator and an encoder to receive and process signals, which challenges the power consumption and size of handsets.
数字机顶盒也称数字电视综合解码器或数字电视综合接收机，通过数字机顶盒可以使用现有的模拟电视收看数字电视节目。
The digital Set Top Box is also called IRD (integrated receive decoder). Through the Set Top Box, we can receive the digital TV signals with analog TV.
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