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The Evolution of MPEG-4 Technology and Its Application in China: The Moving Picture Experts Group (MPEG) has developed MPEG standards for digital audio and video coding principles. Through the MPEG compression engine, it has achieved the ideal of providing consumers with high-quality digital multimedia content at an economical cost, and has also brought unlimited business opportunities to the multimedia market. The newly developed MPEG-4 is designed for set-top boxes......; Keywords： MPEG-4 technology H.264 AVC AVS
Publish Time：2012-10-27

New progress in H.264/AVC video compression coding standard: 　　H.264/AVC is a new generation video compression coding standard developed by the Joint Video Team (JVT) composed of ISO/IEC and ITU-T, and was completed in May 2003. Compared with previous standards, H.264/AVC has obvious improvements in both compression efficiency and network adaptability. Therefore, the industry generally predicts that it will be widely used in......; Keywords： H.264 AVC video compression coding standard
Publish Time：2012-10-27

Technical Advantages of H.264 and Its Application in H.323 System: 1. Introduction In recent years, with the rapid construction of my country's communication network infrastructure, video services have developed rapidly and are expected to become the main business of NGN because they can provide audio and video and other information to participants at multiple locations, saving a lot of costs and improving work efficiency. Since the emergence of video conferencing systems, a variety of suitable......; Keywords： H.264 technical advantages H.323 system
Publish Time：2012-10-27

Design Example of LCD TV Based on WSC1115: Introduction: WSC1115 is a programmable digital video processing chip produced by Chengdu Wisda Chip Co., Ltd., which integrates interlaced to progressive scanning, image scaling, frame rate improvement and video enhancement technologies. It can convert the input 8-bit ITU-R BT656 digital video signal and 24-bit digital RGB signal into different application requirements......; Keywords： WSC1115 LCD TV video processing
Publish Time：2012-10-27

A Brief Discussion on Digital Terrestrial Broadcasting: Digital television has the characteristics of clear images, no noise, no ghosting, and multimedia, which has brought revolutionary changes to television technology. According to the planning of relevant national departments, in 2005, one-quarter of television stations (covering major cities across the country) will launch and transmit digital television signals; in 2008, digital television will be used to broadcast the Beijing Olympic Games; in 2010, digital television will be used to broadcast the Beij...; Keywords： Digital TV terrestrial broadcasting DVB-T
Publish Time：2012-10-27

Technology Trends and Solutions for Next-Generation Set-Top Boxes: The factors that influence the current evolution of set-top box (STB) technology are complex. Although price pressure, time-to-market requirements and functional differentiation are common among the many characteristics of STBs, for some platforms, the end market situation must be fully considered even in the early design stage. For example, entry-level free-to-air satellite and......; Keywords： Set-top box HDTV IPTV digital TV
Publish Time：2012-10-23

Comparison between the national video coding standard AVS and the international standard MPEG: 1. Technical Comparison Both AVS video and MPEG standards use a hybrid coding framework (see Figure 1), including transformation, quantization, entropy coding, intra-frame prediction, inter-frame prediction, loop filtering and other technical modules, which is the current mainstream technical route. The main innovation of AVS is that it proposes a number of specific optimization technologies to achieve low complexity......; Keywords： Video coding AVS international standard MPEG
Publish Time：2012-10-23

Backlight Design Strategies for White Light Emitting Diodes (WLEDs): Introduction: The emergence of white light-emitting diodes (WLED, also often written as White LED) has enabled LEDs to break away from being limited to indicator lights and neon lights, and begin to move into the field of electronic lighting, including car turn signals and flashlights for entry-level digital cameras. WLEDs can now be used......; Keywords： White light type light diode WLED backlight
Publish Time：2012-10-23

Analysis of technologies and solutions to improve LCD TV display performance: As TFT-LCD modules shift from traditional computer monitor applications to TV applications, design engineers face technical challenges such as slow response, flicker, and backlight. This article discusses new technologies to solve these challenges, including eliminating gamma mismatch and improving the contrast of bright and dark images, and provides corresponding new......; Keywords： LCD TV display performance AVDD TFT-LCD
Publish Time：2012-10-23

Overview of IPTV Codec Standards: 　　IPTV is a new technology that uses broadband networks to integrate the Internet, multimedia, communications and other technologies to provide home users with a variety of interactive services including digital television. Since the international fixed-line operators have only started to get excited about IPTV in the past two years, no country has yet......; Keywords： IPTV MPEG-4 H.264 AVS Codec
Publish Time：2012-10-23

The Principle and Implementation of CATV Set-Top Box Design: This paper introduces the basic principles of digital TV set-top boxes and the design principles of digital TV set-top boxes based on cable TV transmission networks. It explains the key technologies used in the implementation process, such as data modulation and demodulation technology, scrambling and descrambling technology, and multiplexing and demultiplexing technology. A solution based on ST's STV0297 and STI5518 chips is proposed....; Keywords： CATV Set-top Box DVB-S DVB-C
Publish Time：2012-10-23

Solutions to the heat dissipation problem of high-power white light LEDs: Today, white light LEDs still have problems such as poor uniformity of light emission and short life of sealing materials, which prevent them from realizing the expected application advantages of white light LEDs. However, from the demand perspective, not only general lighting purposes, but also the widespread application of mobile phones, LCD TVs, automobiles, and medical treatments make it the most suitable technology to develop stable white light LEDs......; Keywords： High power white light LED heat dissipation problem
Publish Time：2012-10-23

LCD Technology Introduction: There are three forms of liquid crystal: solid, liquid and gas. In 1888, Australian botanist Reinitzer discovered liquid crystal by accident when he was studying the role of cholesterol in plants. However, the practical application of liquid crystal did not begin until the 1950s. As the name suggests, liquid crystal is solid......; Keywords： LCD technology CRT MVA
Publish Time：2012-10-23

Design of TFT-LCD Driving Circuit: 　　IntroductionWith the rapid development of electronic technology, LCD displays with low power consumption, high brightness and small size are widely used in embedded systems. S3C2410 is a 16/32-bit embedded processor developed by Samsung with ARM920T as the core. It is mainly used for handheld devices and high-cost......; Keywords： TFT-LCD driver circuit ADI
Publish Time：2012-10-23

The latest OLED technology and applications: As OLED display devices become mainstream, design engineers are also facing pressure to advance display technology. Organic light-emitting diode (OLED) devices are gradually entering the mainstream display market. They have the advantages of thin thickness, low power consumption, high brightness and colorful images, and have the advantages of......; Keywords： OLED organic interlayer light emitting diode
Publish Time：2012-10-23

Eliminating the wiping process improves LCD display quality: Compared with other emerging display devices, the innovation of process technology has improved the competitiveness of LCD. The use of ion gun technology eliminates the traditional wiping process, which not only improves the resolution of LCD display devices, but also reduces the scrap rate. In addition, this process can also be integrated into the production line in the clean room, which can further......; Keywords： LCD display quality wiping process
Publish Time：2012-10-23

TFT-LCD Manufacturing Process: ● The front glass substrate/color filter substrate process forms a precisely arranged color filter layer. ● The thin film substrate process forms a thin film transistor liquid crystal (TFT) array and other electronic components used for display pixel control. Each pixel generally corresponds to three thin film transistor liquid crystals (TFTs), and each pixel controls one together......; Keywords： TFT-LCD manufacturing process filter layer
Publish Time：2012-10-23

Principle of monochrome LCD display: LCD technology is to pour liquid crystal between two planes with fine grooves. The grooves on these two planes are perpendicular to each other (intersecting at 90 degrees). In other words, if the molecules on one plane are arranged in a north-south direction, the molecules on the other plane are arranged in an east-west direction, and the molecules between the two planes are forced into a 90-degree twisted state. ......; Keywords： LCD technology monochrome liquid crystal display
Publish Time：2012-10-23

CCFL backlight problem + screen flickering in design: 1. The impact of CCFL backlight on LCD panel: LCD panel is sensitive to temperature, especially blue film LCD panel. After the CCFL lamp is lit for a period of time, the LCD screen will have large spots due to the heat of the lamp. The only way to solve the problem is to reduce the conduction of the lamp heat to the LCD panel. ......; Keywords： CCFL LCD screen flicker backlight problems
Publish Time：2012-10-23

LCD TV Video Decoder Solution: Video Decoder is one of the core components on the LCD TV Controller Board. It is technically difficult to manufacture and requires a good understanding of video technology. The market is still dominated by foreign manufacturers. In addition, some manufacturers integrate other functional components on the controller board. These components......; Keywords： LCD decoder tuner
Publish Time：2012-10-23

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