Although 3D is making a big impact at the local cinema, application for home use has been somewhat spotty, with several incompatible formats and devices. As a result, the Blu-ray Disc Association has created a task force dedicated to the development of standards that would best take advantage of 3D technology in combination with the Blu-ray Disc format. For more details, check out the report from Video Business.
Blu-ray Disc Association Tackles Standards for 3D Home Theater Applications
By Robert Silva, About.com Guide May 21, 2009
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Comments
I have a widescreen television set. I would like to know why it is that some DVDs, as well as some television programming, display a widescreen image in the 3 by 4 format. This necessitates them putting black borders on the top and bottom of the image. the result is that I get a widescreen image on my widescreen TV with black borders all around the image.
This smacks of either stupidity or insanity. I can understand this being done on broadcast television so that the people without enough intelligence to get the converter box message, after all this time, can hopefully catch up to the rest of us. I cannot understand this being done when transferring a film to a DVD. It makes less than no sense.
Can anyone tell me what the people responsible for this are thinking?
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Response from Robert Silva, About.com Guide for Home Theater
There is no insanity involved – What happens sometimes is that the widescreen image is not anamorphically encoded (this also occurs with many widescreen TV commercials) – which would correctly place the widescreen image on a 16×9 TV. As the DTV transition takes effect, you will see this occur less and less as older widescreen programming as broadcasters encode their transmissions for the 16×9 aspect ratio for correct display on 16×9 TVs. However, there are still millions of 4×3 TVs in use.
Also, with regards to DVDs, make sure that if you have a 16×9 TV that you set the aspect ratio to Wide or Wide/Auto – all widescreen DVDs, except for those that are not anamorphically encoded (mostly older DVDs) will either fill your screen, or have slight black bars on the top and bottom of the image (such as films made in the 2:35 or 2:40 aspect ratios).
For more details on these issues, check out the following articles I have written:
Why are Black Bars Sometimes Still Visible on a 16×9 HDTV?
http://hometheater.about.com/od/televisionbasics/a/aahdtvfaqs6a.htm
Widescreen Television -The 16×9 Factor
http://hometheater.about.com/cs/television/a/16×9tvfactor.htm
Let me know if this info clarifies these issues for you.