Audio and video display device

Abstract

The invention discloses an audio and video display device which comprises an audio and video display module, an audio and video control module and a visible area detection module, wherein the audio and video display module displays audios and videos for audiences to watch; the audio and video control module controls the audio and video display of the audio and video display module; the visible area detection module is used for detecting whether the audiences are watching the audio and video display module at present or not and informing the audio and video control module to control the audio and video display of the audio and video display module according to a detection result, thus the display condition of the audios and the videos of the audio and video display module can be regulated according to the condition of the audiences so as to effectively save electric energy. Meanwhile, the display time of the audio and video display device can also be reduced, thereby prolonging the service life of the audio and video display device.

Description

technical field [0001] The invention relates to the field of audio and video playback, in particular to an audio and video playback device with energy-saving effects. technical background [0002] With the development of science and technology, audio and video playback devices have entered thousands of households, bringing great convenience to everyone's production and life. The audio and video playback device here may include audio and video playback equipment such as ordinary TVs, mp4 players, DVD players, broadcast TVs on taxis or buses, and various special-purpose TVs. Special-purpose TVs are usually placed in elevators of buildings, public areas on each floor or other public areas for people to watch. For example, special-purpose TVs placed in elevators may play several advertisements continuously, so that people who enter the elevator are not in the elevator. During this period, you can see the advertisements played and then play a publicity effect. However, it can o...

AI Technical Summary

Problems solved by technology

However, it can often happen that there is a significant period of time when no one is watching the content on the dedicated TV at all, such as a dedicated TV in an elevator in an office building, which may often be on for half an hour or more during the morning commute For example, when no one is watching the TV within a certain period of time, for example, there may be few people watching the special TV set on the street after 9:00 p.m., but these special TV sets will still play the program content uninterruptedly. To the publicity effect, it also wastes electric energy, and even the sound played in it will affect other people's work or rest

Images