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Ch 15 Video Concept and Terminology

Ch 15 Video Concept and Terminology. Different video standard worldwide

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Page 1: Ch 15 Video Concept and Terminology. Different video standard worldwide

Ch 15 Video Concept and Terminology

Page 2: Ch 15 Video Concept and Terminology. Different video standard worldwide

Different video standard worldwide.

Page 3: Ch 15 Video Concept and Terminology. Different video standard worldwide

576 lines

25 fps

PAL TV System

Page 4: Ch 15 Video Concept and Terminology. Different video standard worldwide

lines

fps

NTSC TV System

525

29.97

Page 5: Ch 15 Video Concept and Terminology. Different video standard worldwide

Frame Rate

With higher frame rate, the number of frames created is more, making pictures smoother.

Higher Frame RateLower Frame Rate

Page 6: Ch 15 Video Concept and Terminology. Different video standard worldwide

Interlacing

12345678

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

Page 7: Ch 15 Video Concept and Terminology. Different video standard worldwide

Progressive

12345678

Line Scan order : 1 2 3 4 5 6 7 8 ….

Page 8: Ch 15 Video Concept and Terminology. Different video standard worldwide

Different Video Resolution

Page 9: Ch 15 Video Concept and Terminology. Different video standard worldwide

HDTV vs SDTV

HDTV SDTV

Page 10: Ch 15 Video Concept and Terminology. Different video standard worldwide

Screen with different aspect ratio

Page 11: Ch 15 Video Concept and Terminology. Different video standard worldwide

Aspect Ratio 16:9

16

9

Page 12: Ch 15 Video Concept and Terminology. Different video standard worldwide

Aspect Ratio 4:3

4

3

Page 13: Ch 15 Video Concept and Terminology. Different video standard worldwide

Bit rate: VCD 1Mbit/s

Page 14: Ch 15 Video Concept and Terminology. Different video standard worldwide

Bit rate: DVD 5Mbit/s

Page 15: Ch 15 Video Concept and Terminology. Different video standard worldwide

Bit rate: HDTV 20Mbit/s

Page 16: Ch 15 Video Concept and Terminology. Different video standard worldwide

Digital Television in Hong Kong

Page 17: Ch 15 Video Concept and Terminology. Different video standard worldwide

Digital Television in Hong Kong

MHEG-5 technology for providing interactive features.

Page 18: Ch 15 Video Concept and Terminology. Different video standard worldwide

CODECCOmpession / DECompression

http://www.fourcc.org/codecs.php