Definitions for "Digital TV"
In the U.S., this term is commonly used to refer to a TV set that can display HDTV broadcasts. Actually many HDTV sets use analog processing for HDTV, they have no HDTV tuner built in and the HDTV video signal fed from an external tuner has been fully decoded and converted to analog. On the other hand, the best display of analog broadcasts requires digital components, namely the comb filter and a de-interlacer and/or scaler.
More efficient means of transmitting television services which offers more channels and interactive services, as well as improved picture and sound quality.
TV capable of displaying digital or standard signals.
Keywords:  broad, term
a very broad term