Full HD TV Explained
How do you tell modern televisions apart? What does it mean to be HD ready? What does it mean to have full HD TV?
Full HD TV – The technical specifications for a full High Definition LCD TV must include a 1080p as its pixel count. The contrast ratio will be listed as 1920 by 1080p. This 1080p designation signals that a television set can fully and completely broadcast the highest level of high definition broadcasting without reducing it to a smaller pixel count. If you play a high definition DVD or blu-ray disk, a full HD LCD TV can claim the best possible LCD picture. In the same manner, if you check the technical specifications for a full High Definition plasma set, you will also find a pixel count of 1080p. The contrast ratio will be listed as 1920 by 1080p. Again, this is the only way to ensure a true high definition picture without loss of pixel count.
High definition DVDs and their competitors, blu-ray disks, can be shown on full HD plasma sets without changing the original contrast rations.
HD Ready – Full HD LCD TV sets and full High Definition plasma sets are different from those that are simply HD ready. HD ready is indicated by a 728i or 1080i pixel rate. HD-ready sets have tuners to adjust for the difference between their pixel rates and High Definition broadcasting. These sets are reported to have good pictures for their price range and compare favorably with full HD plasma sets and full High Definition LCD TV sets.
Set Sizes – HD ready and full HD LCD TV sets can come in smaller sizes. LCD sets actually come in small sizes such as 10 inches. Sizes used to stop as a 42 inch TV but now are as large as 60 inches. HD ready and full HD plasma sets come in 50 or 60 inch sizes usually. It is possible now to get a 42 inch TV plasma set from some manufacturers. Keep in mind that similar size does not mean the same picture quality.
HD sets – One obvious difference between analog and full High Definition TV broadcasting is the aspect ratio. This is the width by height of a display. Analog broadcasting had an aspect ratio of four inches of width to three inches of height. HDTV broadcasts in a 16:9 ratio. You can expect a full HD LCD TV to be as wide as it is tall. It is thinner due to its streamlined technology, and its thinness is not a way to determine if a set is HD ready or a full High Definition LCD TV. Due to aspect ratio, full HD plasma sets and HD ready plasma sets may be as wide as they are tall. They are also thinner due to their technology, and thinness cannot be used as a guide to HD capabilities.
HD Converter – For analog television users, an High Definition converter is a must. Almost all analog signals have been or are being replaced by digital signals. Only an HD converter can make an HD broadcast into an analog signal. Many users report that an HD converter has improved their analog picture considerably. Still, this is not a full HD picture as defined by manufacturing standards.
HD Online – Many television shows are now offer HD broadcasting online. This may or may not be full HD internet by manufacturing standards. After all, your computer also has a tuner that will simply convert any 1080p HD online internet signals into a lower pixel rate as needed.
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