digital television (2)

• HDTV -- high definition television
• SDTV -- standard definition television
• ITV -- interactive television

set top boxes

• BlueSky (UK), PrimeCon (D) -- HTML, XML (X3D)

(standard) codecs for d-TV

• MPEG-2 -- from Motion Picture Expert group
• MPEG-4 -- high quality streaming d-video on Internet