机顶盒及OTT(Over The Top)设备出现以后,电视机接入信号源越来越多.用户群体中,老年人群有看电视的刚需,但由于不会操作选择正确的信号源,其面临想看电视但难以操作的困扰.对此,设计一款高清多媒体接口(High Definition Multimedia Interface,HDMI)信号投屏器,帮助不懂电视机和信号源设备操作的人群一键快速进入期望信号源的电视界面.
A Design of Automatic Screen Projector for HDMI Signal
After The emergence of set-top boxes and OTT (Over The Top) devices,more and more television access signal sources.Among the user groups,the elderly have the need to watch television,but they can not choose the right signal source,resulting in the problem of wanting to watch television but difficult to operate.In this regard,this paper designs a High Definition Multimedia Interface (HDMI) signal projector to help people who do not understand the operation of television and signal source equipment quickly enter the television interface of the expected signal source.
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