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Advanced Broadcasting Question... Is it possible to send a encrypted or not encrypted text behind DVB data?

Posted on 2006-10-25
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Last Modified: 2010-03-19
Hello!

Assume I'm a TV channel and I'm broadcasting video... Is it possible for me to send text behind the video data? If yes is there any software that do this? What this technology called?

I know stenography... but it is for image (bmp / jpg)...

Thanks from now!
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Question by:CSecurity
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Expert Comment

by:PaulRKrueger
ID: 17808724
Hmmm... it's like a cable modem. You can send any data you want - you just need to be looking for it on the other end.
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Author Comment

by:CSecurity
ID: 17808780
I know... I can send all kind of data even not meaning data... But I want to know is it possible to hide text or any other kind of data behind video data?
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Expert Comment

by:SeanGeekWalter
ID: 17809070
Could you use subtitles?
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Author Comment

by:CSecurity
ID: 17809408
How? What's that?

I saw somewhere that they used an algorithm for hiding and encrypting data behind MPEG-2 format...

My output is MPEG-2 too... Do you guys know any software for encrypting and hiding data behind MPEG-2 Format?
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Expert Comment

by:VerifyMe
ID: 17809436
I "think" CSeurity is asking about video watermarks. I'm not talking about the visible logos present in tv/cable broadcasts but embedded/encrypted data in compressed video streams used primarily for ID purposes.

http://www-nt.e-technik.uni-erlangen.de/~hartung/watermarking.html
http://www-nt.e-technik.uni-erlangen.de/~hartung/watermarkinglinks.html

It is viable to embed any type of data in a video stream in theory. I don't personally know of any commercial software that will allow the average consumer to perform this type of watermarking. Most of the info found via Google seems to be academia/research specific.

http://www.ece.tamu.edu/~deepa/pdf/iscas03.pdf
http://www.sdl.hitachi.co.jp/english/summary/2003/510022/

Hope this helps.
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

 
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Author Comment

by:CSecurity
ID: 17809938
Thanks alot VerifyMe!

If you find a detector for me, you GOT all the points and one more 500+ points extra!

I want a software that can get video broadcast of a channel (via satellite) and detect data to watermark or any other technology it's called!

Just it should tell me is there any hidden data behind this TV broadcast or no?

I need it!

Thanks alot!
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Author Comment

by:CSecurity
ID: 17809948
By the way Data format is MPEG-2
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Accepted Solution

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VerifyMe earned 500 total points
ID: 17810001
Here you go.

Videomark
http://www.alphatecltd.com/watermarking/videomark/videomark.html

The private edition is $499. Supports MPEG-2. Reasonable I think.
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Author Comment

by:CSecurity
ID: 17810020
Thanks alot! My friend... If you got any other links let me know please... codershelper@yahoo.com
Thanks alot anyway!
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Author Comment

by:CSecurity
ID: 17810027
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

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