1. Introduction to Television Bellevue Community College Bob Young, Instructor

2. NTSC National Television Standards Committee Responsible for the standards for analog television in America.

3. ATSC Advanced Television Systems Committee The ATSC is the committee responsible for developing and establishing Digital-HDTV Standards; as well as all (18) formats of Digital TV.

4. HDTV High Definition TV One of the 18 Digital TV (DTV) standards defined by ATSC Not all Digital TV is HDTV

5. TV and Spectrum

6. Bandwidth Utilization #1

7. Bandwidth Utilization #2

8. Aspect Ratio NTSC = 4:3 HDTV = 16:9 Letterboxing Windowboxing

9. Raster and Scan

10. Field 1Field 2 Interlace

11. Cathode Ray Tube (CRT)

12. Comparison of Pixel Sizes

13. Some DTV Video Formats 480p - 640 x 480 pixels progressive 720p - 1280 x 720 pixels progressive 1080i - 1920 x 1080 pixels interlaced 1080p - 1920 x 1080 pixels progressive (HDTV)

14. 5.1 Audio Channels

15. Standards Comparison Table NTSCATSC (HDTV) Total Lines5251125 Active Lines4861080 Sound (# of channels)1 or 25.1 (surround) Aspect Ratio4 x 316 x 9 Maximum Resolution720 x 4861920 x 1080

16. HDTV Timeline Top 10 - November, 1998 Top 30 - May, 1999 Broadcast digital only - 2006