Identification of analog TV and digital TV - analog TV, digital TV - HC Network Appliance Industry

   The concept of home appliances market, more and more, just the concept of the television as many as over 10, how to understand these concepts, a person introduced.

The current TV signal transmission by analog TV and CRT can be divided into two major categories of digital TV, analog TV carrier transmission of analog signals up to 325 lines, digital TV carrier transmission of digital signals, can reach 750 lines.

Accordance with the principles of the different light can be divided into rear projection, DLP light display, plasma TV (PDP) and LCD TV (LCD). CRT TV Analog TV, including spherical, flat rectangular TV, flat screen TV, CRT technology is adopted.

Digital TV into high-definition television (HDTV), enhanced-definition television (EDTV) and standard definition television (SDTV) three categories. High definition television to at least 720 lines progressive or 1080 interlaced lines, the screen aspect ratio should be 16:9, with Dolby Digital sound, high-definition format can be converted to other formats and can receive and display a lower format signal. Enhanced-definition TV to reach 480 line scan, with Dolby Digital sound. Standard-definition television display below the 480 line progressive scan format, scan standards.

Market, plasma TV, LCD TV, DLP light display are digital TV, while rear-projection TV manufacturers are different and may be digital television may also be analog TV. LCD TV no radiation, high safety factor, stylish. High-definition plasma TV, interface-wide, currently the most high-end.

The progressive scan TV refers to a technology, it is relative to the case of interlaced, progressive techniques are used for digital TV.

Shape on flat-panel TVs it's easy to see from them?? Flat, upper plasma TV market and LCD TVs fall into this category, some manufacturers have developed a painting style of flat-panel TV, in the future as technology continues to evolve , will appear more flat-panel TV.

On the current LCD and plasma TV, CRT analog TV, rear projection in terms of four broad categories of products, CRT and DLP rear projection of the integrated optical imaging results were the best. The future, flat panel TV product structure is like this, LCD, plasma is a popular type, basic type of product; with superior super-clean, ultra-thin, three major advantages of long life DLP rear-projection flat panel light display, and the use of Organic light-emitting technology collapsible TV OLED, TV products will be in the high-end products; future FED as clear and bright with CRT TVs LCD TV with slim and stylish dual advantages, will become the most high-end TV products in the products.

Consumers of these concepts may not distinguish between temporary clear, another concept in many different manufacturers may vary the time of purchase you can view television interface, a number of identification must have the words DTV digital TV.

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