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Neue Therapie der Kalkschulter - Blogs von lukespence80233 http://kalkschulter-behandlung.de/index.php/easyblog/blogger/listings/lukespence80233 Tue, 24 Oct 2017 07:35:49 +0000 Joomla! - Open Source Content Management de-de Rules Not To Follow About Television http://kalkschulter-behandlung.de/index.php/easyblog/entry/rules-not-to-follow-about-television http://kalkschulter-behandlung.de/index.php/easyblog/entry/rules-not-to-follow-about-television
Understand the jargon, decode the technicalities. Learn quite aspects of HDTV terminology which will allow you to make informed decisions when planning your following HDTV purchase.
People frequently get the term frequency combined with the refresh rate when talking about TV's, especially HDTV.




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The frequency will be the broadcast information that the cable or satellite box needs to be able to tune in to a particular channel. Much like if you used to manually tune an analog TV or video into each signal individually, a decoder does exactly the same on the digital spectrum in order to pick up the broadcasts.
Analog and digital signals are broadcast on a similar frequencies, 55-88Mhz VHF low, 174-216Mhz VHF high and 470Mhz-806Mhz UHF television. Some channels it is broadcast in analog, though the other channels, especially HD ones will likely be broadcast in digital.
Each individual channel is allocated 6Mhz of the spectrum in order to carry the signal. Analog can send the standard 480i picture in this particular limit, and digital can carry a 1080i or p inside.



The 480i signifies that the signal carries 480 horizontal lines of data, the i is perfect for interlaced, meaning each line is refreshed alternately. The 1080 is perfect for the lines, i is good for interlaced, nevertheless the p is good for progressive, meaning the lines refresh in the top down. HDTV are available in two varieties, 1080i and 1080p. Currently the 1080p sets provide an advantage in display quality over the 1080i ones.
The frequency doesn't make excessive difference to display quality as it is cleaned up with the set-top box or TV. The refresh rate in the TV is why the most difference to the quality of a picture.




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When studying the specifications of an TV, you will frequently see '60Hz" or '120Hz" in the description. This is entirely different to frequency, this will be the refresh rate.
A refresh rate of 100Hz is how many times a second an image frame is drawn around the screen. For example, a movie is broadcast at 24Hz, that's 24 frames per second. A 60Hz LCD TV will convert the frames into 30Hz frames automatically, and refresh them twice every second. A 120Hz TV will repeat the first 24Hz frame more within every 24th of your second.
In the real world what this means is which a 120Hz TV will make a much clearer, crisper picture than that of the 60Hz one for the reason that image will be refresh doubly quickly. Moving images will be sharper along with less flickering when compared to a 60Hz picture and definately will have much less motion blur.

Motion blur is made when an image moves rapidly from position to an alternative and the eye picks it down. On a 60Hz signal, the picture is held for 1/60th of your second the quickly moves to another position within the next frame. The eye is sensitive enough to detect this and manifests itself as motion blur. As a 120Hz TV refreshes two times as quickly, the in-between frames are less noticeable and also the action appears smoother.
The frequency and refresh information will be the same for normal TV in addition to HDTV television. High Definition denotes how much lines in images, very little else. So a TV that has 1080i or 1080p is HD since it has a little over twice the information on screen that normal television does.
So hopefully we have decoded the technology enough for you to be able to decide for yourself which is the best option when looking for a new TV. No more depending for the "expertise" in the guy inside the store to help you!]]>
madeline_jones@mail.ru (lukespence80233) Uncategorized Tue, 18 Oct 2016 08:14:06 +0000