D
Definition
The image’s detail level, measured as the number of horizontal lines standardized in the ISDB system as 480, 720 and 1080 lines.
Digital ISDB-HD Converter
Every digital ISDB converter that has a "High Definition - HD" output signal.
Digital TV Set
Every TV set that has an internal tuner to receive digital broadcasts without, for instance, a Digital Converter. This set can also receive analogical broadcasts.
Downconvert
When a TV set receives a signal in which definition is higher than its own native definition, this is adjusted automatically by reducing the signal’s original definition.