Enhanced Digital Television. EDTV refers to a complete product/system with the following minimum performance attributes: Receiver: Receives ATSC terrestrial digital transmissions and decodes all ATSC Table 3 video formats. Display Scanning Format:Has active vertical scanning lines of 480 progressive (480p) or higher. Aspect Ratio: None Specified . Audio: Receives and reproduces, and/or outputs Dolby Digital audio; Enhanced Definition Television (EDTV) Monitor: EDTV Monitor refers to a monitor or display with the following minimum performance attributes: Display Scanning Format: Has active vertical scanning lines of 480 progressive (480p) or higher, Aspect Ratio: None specified, Enhanced Definition Television (EDTV) Tuner: EDTV Tuner refers to a RF receiver with the following minimum performance attributes:Receiver: Receives ATSC terrestrial digital transmissions and decodes all ATSC Table 3 video formats. Outputs: Outputs the ATSC Table 3 720p and 1080i/p and 480p formats with minimum active vertical scanning lines of 480p. Alternatively, the output can be a digital bitstream output capable of transporting 480p, except the ATSC Table 3 480i format can be output at 480i.Audio: Receives and reproduces, and/or outputs Dolby Digital audio.