To confirm Presentation presentation image should be audio, this slide adjusted to show has 4 repeating all 4 arrowheads. chimes: Color domain is 1. Stereo left 24-bit. 2. Stereo right Color patches 3. Center stereo are NTSC primaries. 4. Center mono mix Standard VGA Standard VGA Presentation Presentation Test Screen Test Screen
The WHAT and WHY of Digital Television
What is DIGITAL TELEVISION? DIGITAL TELEVISION? and • how does digital television • how does digital television differ from the TV differ from the TV we know now? we know now?
Why Digital Television? • Federal Communication • Federal Communication Commission Requires Commission Requires conversion by 2003 conversion by 2003 • Digital broadcast will offer • Digital broadcast will offer more services more services • PTV can fulfill its original mission • PTV can fulfill its original mission
What is Analog Television? A 50 Year Old System A 50 Year Old System ANALOG sends ANALOG sends programs as programs as rapidly rapidly changing changing waveforms waveforms
Why Change to Digital Television? DIGITAL DIGITAL 01000101000 Sends programs as Sends programs as streams of numbers streams of numbers 10100100011 00101100101 101100
•High Definition Television (HDTV) •Multicasting •Data Transmission
Recommend
More recommend