Innumerable brands, models and categories of television have flooded the market, but modern consumer has become prudent in choosing one. It is now necessary to understand the significance of various technical data provided in the users’ manual or in the web pages of the manufacturers. Ultimate requirement of the consumer is the qualitative superiority of the television chosen. It should be worth the money spent on the device. Very often watching the performance of a set in the showroom of the dealer may not be sufficient to ensure the quality.
Technical specifications that can make impacts on the performance of the product are to be clearly understood. The technology adopted is important. CRT, LCD or Plasma about which the consumer is able to understand fairly, cannot be considered to be the vital information about a television. All important contributory factors that ensure quality performance are to be clearly understood. The refresh rates available in a television is one of such relevant factor to be considered before choosing one.
In simple terms refresh rates represents the number of times the screen image is refreshed in a second. Higher the rates, better the output quality. It is a process by which the image gets reconstructed. Refresh rates is measured by a unit known as Hertz (Hz). A plasma television with 60Hz refresh rates is ideal to produce artful video output. It means that the screen is being refreshed 60 times in a second. Refresh rate is an important factor that will contribute towards producing images on the screen free from blemishes like blurs or flickering. It is more relevant when watching fast moving videos like sports events and action movies. A television with good refresh rates offers excellent output.
Plasma television is well known for rendering good refresh rates. In the competitive environment plasma has an edge over LCD television in respect of refresh rates and consequently the quality of output in plasma television is reflective of its refresh rates. The LCD manufacturers are making intensive efforts to improve the refresh rates in their products in order to cope up with competing plasma. It is to be pointed out that plasma television generally has no problems like image blur because of its high refresh rates.
Almost all brands like Samsung, Pioneer, Panasonic and LG are provided with high refresh rates. Very often plasma television of leading manufacturers will indicate high refresh rates of 480Hz or 600Hz. The reason is that plasma screens have sub-fields. For example a typical plasma screen has at least eight sub-fields per frame and there are sixty frames per second. Therefore the refresh rates indicated will be 8 x 60 = 480Hz. To be precise, refresh rates of all well known brands are 60Hz per frame per second, which is the ultimate requirement to offer excellent video quality.
