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CD & DVD Burning - jpg images recorded on CD/DVD expand on TV posted in the Hardware forums; Using Nero software, latest version. When creating slideshows for viewing on my TV/DVD player the images are expanded both vertically and horizonatally when viewed on the TV. This is very ...

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  #1  
Old 09-27-2006
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Angry creating cd/dvd slide shows for play on DVD players

Using Nero software, latest version. When creating slideshows for viewing on my TV/DVD player the images are expanded both vertically and horizonatally when viewed on the TV. This is very evident since I add text to each image at the very top and bottom of each image almost both lines of text is out of view. The test run of a created slide show within Nero using Windows 2000 Pro show no expansion. I have tried resolutions from 640 x 480 to 2900 x 2175 with the same results. I haved viewed the created CD or DVD on the newest TV with High Definition to an older 25" all with various DVD players, with the same results.

I know that TV's employ 525 horizontal lines, I think the high definition ones have more. The typical computer monitor employs as much a 725 lines. Could this difference explain the image expansion?

Nero claims the problem is caused by the TV/DVD player.


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Old 09-29-2006
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Hi chas, welcome to the forums.

I'd tend to agree with Nero. Most TV's have part of their screen behind the border...which is irritating when watching widescreen movies.

One thing you could try is to add a border around the image.


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Old 09-29-2006
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Hey chas76!
Welcome to PC Helpforum!

Are you able to try the created DVD in another DVD player, or using another TV. I was thinking like Nero claims.

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Old 10-01-2006
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Angry

Thanks for the suggestion, but have done that with all of the resolutions that I have tried. The area I added was approx 60 pixels on all sides. For example a resolutin of 800 x 600 was changed to 920 x 720. This extra area was a solid contrasting color. Yes, all the text is visable now but alsmost all of the 60 pixel area is now not visable. Thus the image is still being expanded and if it were not then the entire colored band should be visable.

I created a drawing program for people to view on a TV back when the biggest monitor availble for most people was a 14" and got a big surprsise. The drawing program created vector images not gauseon images. If in a drawing exersize I drew two or three rectangles. When those rectangles were viewed on a TV at least one of them would be missing either the top or bottom horizontal line of one of the rectangles. After many conversations with the maker of the device I was using to capture the monitor program I was advised of the reason. In order to view images created with more than 525 horizontal lines they had to delete one of the images horizontal lines so they could be displayed on a TV. If the top or bottom of one of the rectangles fell on the deleted line, the line would not be displayed. If the drawing system was gaussean this would not have been a problem. Vector based images are MUCH smaller than gaussean based.

Since TV displays use 525 horizontal lines to produce an image where each line is modulated to produce the image it then follows that an image designed at 700 approx lines then the images would be expanded. I also understand that high deffinition TV's have more lines to increase image deffintion but still not as many as a computer monitor. Video displays are gaussean and if a little bit of the top or bottom of a car chase would not be a bad thing, but missing the top 10 to 15% of a still image, in my opinion is not desireable.



Last edited by chas76; 10-01-2006 at 10:08 PM.
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Old 10-01-2006
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I have tried several of the CD's or DVD's on the latest high def, ordinary TV's all with several different DVD players. The result is always the same. One difference. I selected 10 seconds for each image to remain, when viewed on high def systems the display time was around 2 seconds and of course the images were not very good because they were not high def.

As you may know Nero allowes me to choose whether to record on CD's or DVD's I was able to record a slide show using 912 images all of them at a resolution of 1024 x 768 each image was in the 2400MB's in size this translates to 2.189 terabytes, on a CD. Of course this much data would not go on a singel CD so Nero had to have changed each image both in color and resolutin plus other things. NOTE: I used NeroVision Express. I also found that I could do this in just Nero Express but was not as user friendly.


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Old 10-02-2006
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Completely agree that 10-15% is unnacceptable.

Unfortunatly I'm out of ideas as to what you could try


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