1. 
   HD-DTV
   Digital High Definition TV.
   Found op http://www.agbnielsen.net/glossary/glossaryQ.asp?type=alpha&jump=none
   
   
2. 
   HDDTV
   High Definition Digital TeleVision. The upcoming standard of broadcast television with extremely high resolution and aspect ratio of 16:9. It is an advancement from the analogue high definition, already used experimentally in Japan and Europe. The picture resolution is nearly 2000×1000 pixels, a...
   Found op http://www.zoo.co.uk/~z0001325/Glossary.html
   
   

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