HDTV is a term bandied about a lot of the media. We are constantly asked whether we are "digital ready" and advised to look it as a feature when purchasing a new television set. But what exactly is it?
HDTV stands for High Definition Television. It is a digital radio system that has a higher resolution than standard TV systems, creating a better image quality. Under this system, digital television uses radio signals that are requiredless bandwidth than the old analog systems. Although many people consider to be a new HDTV set, the technology has actually in operation for about 20 years and the first public high-definition broadcast occurred in the USA in 1996.
The advantages for customers
All technical details aside, the main thing is, many people simply want to know if buying a digital television is advisable. In short, yes it is. Advantages of a digital set includes a betterAspect ratio, higher resolution and greater frame rate than analogue television. All these combine to produce a better image quality, and this is especially noticeable when just widescreen movies on TV.
In 1999, the Federal Communications Commission has decided (FCC) that digital television should be the new standard for television and that the analogue transmission would be phased out over the next few years - much the same way that DVD players and have to be replacedVCR.
Do I Have a HDTV purchase?
It makes little sense to buy an analog television, starting as a cease analogue transmission. In the U.S., this is done in June 2009, followed by many other countries, the color in the coming years. This means that there is a clear choice between digital and HDTV.
To grasp the difference: All HDTV is digital, but not all digital HDTV. High Definition is the best quality of digitalcurrently available, although the actual differences in the quality at the moment only noticeable in certain programs. It is also the next standard in film technology, so by purchasing a high-definition TV, you will be protected against technology changes, at least for the next few years.
ไม่มีความคิดเห็น:
แสดงความคิดเห็น