1. Ch 15 Video Concept and Terminology

2. Different video standard worldwide.

3. 576 lines 25 fps PAL TV System

4. lines fps NTSC TV System 525 29.97

5. Frame Rate With higher frame rate, the number of frames created is more, making pictures smoother. Higher Frame RateLower Frame Rate

6. Interlacing 1234567812345678 Line Scan order : 1 3 5 7 ….. 2 4 6 8 ….

7. Progressive 1234567812345678 Line Scan order : 1 2 3 4 5 6 7 8 ….

8. Different Video Resolution

9. HDTV vs SDTV HDTV SDTV

10. Screen with different aspect ratio

11. Aspect Ratio 16:9 16 9

12. Aspect Ratio 4:3 4 3

13. Bit rate: VCD 1Mbit/s

14. Bit rate: DVD 5Mbit/s

15. Bit rate: HDTV 20Mbit/s

16. Digital Television in Hong Kong

17. MHEG-5 technology for providing interactive features.

18. CODEC COmpession / DECompression http://www.fourcc.org/codecs.php