According to NPD DisplaySearch, the function of TV networking has been continuously strengthened and gradually entered the category of smart TV, which has led to the continuous development of new human-machine interfaces and remote controls. NPD DisplaySearch believes that the human-machine interface of TVs is expected to undergo major changes in the next few years from today. The reason is quite simple, that is, the increasing number of services along with the network function will make the selection list more complicated. Traditionally, the menus of functions such as up / down / left / right / OK keys are not enough. However, it is too complicated to make the operation of the remote control very cumbersome and slow. At the same time, how to let consumers through the actual operation and experience in the sales process Convenience, to stimulate the motivation to buy smart TVs is a new topic. The changes in the TV human-machine interface are testing the intelligence of the entire TV supply chain.
Many of the current smart TV practices are purely to introduce a website browser (Browser) from the Internet to the TV, but this also leads to new problems. Most websites are designed with mouse or pointer memory, and also include additional functions such as clicking and dragging, such as dragging and clicking on Google Street View and maps, zooming in and out, etc., but these are currently on TV. The manipulation of web page functions is quite difficult.
At the end of 2010, Sony launched Google TV (Google TV), which can be said to be a bold attempt at the human-machine interface of smart TVs, and can be said to be an example of using a complex remote control for menu control. Google TV remote control (as shown in the picture), the numerous buttons especially require two hands to operate, which faces changes in consumer habits. On the other hand, there will be many difficulties in controlling the screen with a similar touch input to the TV on the other side of the room.
Figure 1. Sony ’s first complex controller for Google TV (Google TV)
At present, under the efforts of many TV manufacturers and TV brands, three general human-machine interface solutions have emerged: speech recognition (Speech RecogniTIon), gesture recognition (Gesture RecogniTIon) and motion sensing (MoTIon Sensing). Each method has its advantages and disadvantages, which are briefly listed below.
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