Who else has five consecutive conversations? Hisense VIDAA artificial intelligence voice depth experience!

The technological revolution has triggered a new wave of competition, with artificial intelligence standing at the forefront of this era. It's sending out an exhilarating and urgent signal, reshaping the way we interact with technology. AI is expanding rapidly into almost every aspect of our digital lives, evolving into a new infrastructure that supports everything from smart homes to entertainment systems. People are captivated by its potential, and the excitement surrounding AI is growing by the day. So, what is the entrance to the AI era? It’s "front-end interaction" and "back-end intelligence." Among these, voice recognition is one of the most widely used and recognized technologies. The ability to process natural speech is becoming the primary mode of human-computer interaction in the future, and it serves as the main gateway for AI adoption. In the living room, smart TVs have become one of the most prominent examples of human-machine voice interaction. Unlike mobile phones or computers, TV interfaces are less rich, making voice control the ideal solution for simplifying user experience. However, early voice interactions on smart TVs were limited in scope and often lacked precision. Users found that their commands were not fully understood, and the system couldn't handle complex requests. This led to frustration and a need for improvement. That changed in 2018 when Hisense upgraded its VIDAA smart TV system to the VIDAA AI system. This marked a breakthrough in voice interaction, enabling smart TVs to truly understand user needs. The new system addressed long-standing issues such as slow response times, low accuracy, and limited vocabulary support. The VIDAA AI system improved the entire voice recognition process: from sound acquisition to result display. By using advanced algorithms, Hisense reduced data transmission loss and optimized speech recognition accuracy. They also enhanced semantic understanding, allowing the system to grasp context and intent more effectively. During real-world testing, the system demonstrated remarkable speed, accuracy, and comprehensiveness. It could respond to complex queries, provide detailed results, and even support multi-round conversations. For example, users could ask for "European movies that aren’t scary and are recent," and the system would understand the context and deliver accurate results. Beyond basic voice commands, the system introduced three key features: five-round continuous dialogue, 33 types of relationship recognition, and support for 34 major life scenarios. Whether it was finding a movie based on an actor, booking flights, or searching for local cuisine, the system handled it all seamlessly. One of the most impressive aspects was its ability to handle contextual conversations. For instance, if a user said, “I want to watch movies,” followed by “European and American,” then “Don’t be scary,” the system would understand the full context and provide relevant results. Additionally, the system supported six major dialects, including Cantonese, Sichuanese, and Shanghainese, making it accessible to a broader audience. It could handle tasks like searching for products, booking tickets, or even translating text—all through simple voice commands. With its advanced capabilities, the VIDAA AI system has transformed smart TVs into more than just entertainment devices—they’ve become intelligent assistants that simplify daily life. From shopping on Taobao to booking flights, the system makes it easy to access a wide range of services through voice. In summary, the rise of AI has brought a new era of interaction, and smart TVs are leading the charge. With the introduction of the VIDAA AI system, Hisense has set a new standard for voice-based smart home experiences. As AI continues to evolve, it will undoubtedly shape the future of how we live and interact with technology.

TFT LCD Module

How does TFT work?
TFT is the abbreviation of "Thin Film Transistor", generally refers to thin film liquid crystal displays, but actually refers to thin film transistors (matrix)-can "actively" control each independent pixel on the screen, which is The origin of the so-called active matrix TFT (active matrix TFT). So how exactly is the image produced? The basic principle is very simple: the Display Screen is composed of many pixels that can emit light of any color, and the purpose can be achieved by controlling each pixel to display the corresponding color. In TFT LCD, backlight technology is generally used. In order to accurately control the color and brightness of each pixel, it is necessary to install a shutter-like switch after each pixel. When the "blinds" are opened, light can pass through, and " When the shutters are closed, light cannot pass through. Of course, technically, it is not as simple as the one just mentioned. LCD (Liquid Crystal Display) utilizes the characteristics of liquid crystals (liquid when heated, and crystallized into solid when cooled). Generally, liquid crystals have three forms:
Smectic liquid crystal similar to clay
Nematic liquid crystal resembling a fine matchstick
Cholestic liquid crystal
The liquid crystal display uses filaments, and when the external environment changes, its molecular structure will also change, and thus have different physical properties-it can achieve the purpose of letting light through or blocking light-which is just like the blinds just now.
Everyone knows the three primary colors, so each pixel on the display screen needs three similar basic components described above to control the three colors of red, green, and blue respectively.
The most commonly used one is twisted nematic TFT LCD (Twisted Nematic TFT LCD). Existing technologies vary greatly, and we will cover them in detail in the second part of this article.
There are grooves on the upper and lower layers. The grooves on the upper layer are arranged longitudinally and the grooves on the lower layer are arranged horizontally. When no voltage is applied to the liquid crystal in its natural state, the light emitted from the light emitting layer of the twisted nematic TFT Display working principle diagram of Figure 2a will be twisted by 90 degrees after passing through the interlayer, so that it can pass through the lower layer smoothly.
When a voltage is applied between the two layers, an electric field is generated. At this time, the liquid crystals are aligned vertically, so the light will not be twisted-the result is that the light cannot pass through the lower layer.

(2) TFT pixel structure: The color filter is divided into red, green, and blue according to the color, which are arranged on the glass substrate to form a group (dot pitch) corresponding to a pixel. Each monochromatic filter is called It is a sub-pixel. In other words, if a TFT display supports a maximum resolution of 1280×1024, then at least 1280×3×1024 sub-pixels and transistors are required. For a 15-inch TFT display (1024×768), then a pixel is about 0.0188 inches (equivalent to 0.30mm), for an 18.1-inch TFT display (1280×1024), it is 0.011 inches (equivalent to 0.28mm) .
As we all know, pixels are decisive for the display. The smaller each pixel is, the larger the maximum resolution that the display can achieve. However, due to the limitation of the physical characteristics of the transistor, the size of each pixel of the TFT at this stage is basically 0.0117 inches (0.297mm), so for a 15-inch display, the maximum resolution is only 1280×1024.

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