Its suppose to make your picture on your tv look better 480p is
ED (enhanced definition) below that is SD (standard Definition) the
highest is HD
View page
Enhanced means made better.
View page
An EDTV is different than an HDTV because the picture quality is
not the same. EDTV is also known as enhanced definition television
and has a maximum resolution of 480p. HDTV is also known as high
definition television and has a maximum resolution of 1080p. This
means that an HDTV will get better picture quality than an
EDTV.
View page
There are multiple types of plasma televisions currently on the
consumer market. These include enhanced and high definition
screens, as well as brands from 10 major manufacturers including
LG, Sony, and Panasonic.
View page
It is a TV that will produce better detail than a standard TV
but no where near the detail of a true HDTV. This type will make a
noticeably better picture when connected with the component cables,
otherwise it may look no better than a standard TV.