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Sony BRAVIA KDL40BX420 40-Inch 1080p LCD HDTV, Black

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What is the digital TV (DTV) transition?

The switch from analog to digital broadcast television is referred to as the digital TV (DTV) transition. In 1996, the U.S. Congress authorized the distribution of an additional broadcast channel to each broadcast TV station so that they could start a digital broadcast channel while simultaneously continuing their analog broadcast channel. Later, Congress has set June 12, 2009 as the final date that full-power television stations can broadcast in digital only. Your local broadcasters may make the transition before then, and some already have.

Why are we switching to DTV?

An important benefit of the switch to all-digital broadcasting is that it will free up parts of the valuable broadcast spectrum for public safety communications such as police, fire departments, and rescue squads. Also, some of the spectrum will be auctioned to companies that will be able to provide consumers with more advanced wireless services (such as wireless broadband).

Consumers also benefit because digital broadcasting allows stations to offer improved picture and sound quality, and digital is much more efficient than analog. For example, rather than being limited to providing one analog program, a broadcaster is able to offer a super sharp “high definition” (HD) digital program or multiple “standard definition” (SD) digital programs simultaneously through a process called “multicasting.” Multicasting allows broadcast stations to offer several channels of digital programming at the same time, using the same amount of spectrum required for one analog program. So, for example, while a station broadcasting in analog on channel 7 is only able to offer viewers one program, a station broadcasting in digital on channel 7 can offer viewers one digital program on channel 7-1, a second digital program on channel 7-2, a third digital program on channel 7-3, and so on. This means more programming choices for viewers. Further, DTV can provide interactive video and data services that are not possible with analog technology.

From:
www.dtv.gov/consumercorner.html

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4 Responses to “Sony BRAVIA KDL40BX420 40-Inch 1080p LCD HDTV, Black”

  1. M. Frank says:
    17 of 17 people found the following review helpful:
    5.0 out of 5 stars
    Awesome TV but you’ll want a sound system, May 15, 2011
    By 
    M. Frank
    (REAL NAME)
      

    This review is from: Sony BRAVIA KDL40BX420 40-Inch 1080p LCD HDTV, Black (Electronics)

    After researching Bravia TVs, I decided to go ahead with this one since it is one of the newer releases for 2011. I’m glad I waited, as this TV is clearer and more vivid than those of some older models or rival brands. Picture quality is clear with no fog or motion blur. PS3 games and Netflix look absolutely amazing. The only thing this TV needs now is a sound system to broaden the audio experience. If you’re having sound issues, try messing around with the ‘steady sound’ and ‘clear voice’ options to even things out and make them less muddy.

    In stores you may see this TV’s picture slightly less bright than others, but that is because of the built in light sensor that’s located on the front of the frame. The picture automatically adjusts to best fit it’s surroundings, and that’s what’s truly great. No fussing with brightness settings all the time.

    Overall, worth every penny. Stick with Sony and you won’t be disappointed.

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  2. K. Mehta "km" says:
    14 of 14 people found the following review helpful:
    4.0 out of 5 stars
    Nice TV but sounds is not great, April 21, 2011
    By 
    K. Mehta “km” (MN, USA) –
    (REAL NAME)
      

    Amazon Verified Purchase(What’s this?)
    This review is from: Sony BRAVIA KDL40BX420 40-Inch 1080p LCD HDTV, Black (Electronics)

    I was using 10 year old TV tube, so for me this is the first big LCD TV ever, thus comparison is not going to be fair!

    I wanted something with good image quality, reliable and within budget for apartment. Looking at various TVs, I knew that I wanted Sony for image quality and potentially can go for Samsung. My primary viewing is cable, DVDs etc. no sports, thus no need for 120 or 240 Hz and did not wanted to pay for it. So based on my criteria this was the best option – based on brand, image quality, price point, size etc.

    On receiving, it took 10 mins to set it up and get running. Few tunings got what I wanted. But biggest problem has been sound quality. It has 4 options – Mono, Custom, Adaptive etc.. each sounds different as expected but none seemed satisfactory. Some were too high etc. I am sure it can be reduced by changing few parameters but I am not sure it will give clear sound as I expected. I plan to put speaker system, so hopefully it will become non-issue. So if you plan to use TV directly then go and check in some store personally for sounds quality.

    I did check few places online and ordered from Amazon, but when I visited my local Walmart they are carrying it for ~580, so with tax it would cost the same. Some how, their online store shows same cost as Amazon. I am not sure what was going on but do check local store before ordering.

    Enjoy!

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  3. Buddy2Mello says:
    11 of 11 people found the following review helpful:
    5.0 out of 5 stars
    I finally own a SONY HD LCD!, April 28, 2011
    By 
    This review is from: Sony BRAVIA KDL40BX420 40-Inch 1080p LCD HDTV, Black (Electronics)

    This Sony LCD is one of the best deals anyone is going to get. Like the other guy mentioned, I purchased mine directly from WalMart for $588! The image quality is outstanding. I have made a few tweaks like lowering the brightness, to help achieve deeper blacks. I will use a image calibrator later. The screen does have a slight glow at the top corners, but that is only visible during extremely rare black-out scenes. I noticed it while loading Blu-Rays, but once the movie starts the screen is very vibrant! The sound quality is not all that refined. I don’t have money for an Audio system or receiver so I will just have to fiddle with the settings like bass and treble till I find the optimum tune. There are plenty of A/V connections, a plethora of options in the menue to fool around with, and a great remote. I have a PlayStation 3 hooked up by HDMI cable. That allows the system remotes to control devices, very cool! Go buy one!!!

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  4. busrad00 says:

    Hi your shot is on my blog
    Thanks.

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