Technology and TV

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This document discusses trends in television and video technology. It notes that uncompressed high definition video requires a high data transfer rate of 90MB/s for 25 frames per second. Current internet speeds like 3G, broadband, WiFi and USB 2.0 cannot support such high data rates. The document then covers topics like interlacing, deinterlacing, video compression standards, and considerations for editing uncompressed video. It goes on to discuss internet broadcasting techniques like adaptive bitrate streaming that allow high quality video over varying internet speeds. The future of television is predicted to include ever higher resolutions like 4K and 8K ultra high definition video.

Tecnologia

TV & TECHNOLOGY
PETER WOOD

Wednesday, 22 September 2010

DAX IS A
LOT OF
DATA
1 FRAME = 1280X720 PIXEL
= 921, 600 PIXELS
EACH PIXEL HAS 32BIT COLOUR
SO
1 FRAME = 3.5MB
3.5MB X 25 = 90MB/S
Wednesday, 22 September 2010

DAX IS A
LOT OF
DATA
1 FRAME = 3.5MB 3.5MB X 25 = 90MB/S

3G = 0.5MB/S BROADBAND = 5MB/S

WIFI = 50MB/S USB 2.0 = 57MB/S

Wednesday, 22 September 2010

INTERLACING

Wednesday, 22 September 2010

DE-INTERLACE
B4 YOU EDIT

Wednesday, 22 September 2010

COMPRESSION
Wednesday, 22 September 2010

ALL ABOUT CAKE

Wednesday, 22 September 2010

H.264
MPEG4
NEW COMPRESSION SYSTEMS EMERGE ABOUT EVERY 10 YEARS.
LARGELY BECAUSE OF CHIP SPEED.
MPEG 2 1993, MPEG 4 AVC 2003, MPEG HVC DUE IN 2013.
EACH SYSTEM USUALLY TWICE AS EFFICIENT AS LAST.
WHAT ARE THE LIMITS? NO ONE KNOWS.

Wednesday, 22 September 2010

SO USE SOMETHING LIKE
PRO RES TO EDIT
720P25

Wednesday, 22 September 2010

INTERNET
BROADCASTING

Wednesday, 22 September 2010

BROADBAND
AV SPEED = 3MB
6

4.5

3

1.5

0
5PM 7PM 9PM 11PM 1AM 3AM

Wednesday, 22 September 2010

6

4.5

3

1.5

0
5PM 6PM 7PM 8PM 9PM 10PM 11PM 12AM 1AM 2AM 3AM

Wednesday, 22 September 2010

HIGH SPEED
1.5MB HD

MED SPEED
700K SD/ED

REALLY SLOW
190K

Wednesday, 22 September 2010

ADAPTIVE BITRATE

6

4.5

3

1.5

0
5PM 7PM 9PM 11PM 1AM 3AM

Wednesday, 22 September 2010

BYE BYE BUFFERING

Wednesday, 22 September 2010

LIVE BROADCASTING
Wednesday, 22 September 2010

First Live BroadCast
appearing on an experimental
Baird Televisor
at the Ideal Home Exhibition
in Southampton, 1930

PEGGY O’NEIL
Wednesday, 22 September 2010

VIDEO
ENCODER

STREAMER

PLAYER
VIEWERS

Wednesday, 22 September 2010

THE FUTURE?
Wednesday, 22 September 2010

THE FUTURE?

1950
Wednesday, 22 September 2010

ULTRA HIGH DEFINITION
Wednesday, 22 September 2010

HIGH DEFINITION
1080

Wednesday, 22 September 2010

ULTA HIGH DEFINITION V1
4K

Wednesday, 22 September 2010

8K

ULTA HIGH DEFINITION V2
Wednesday, 22 September 2010

LONDON 2012

Wednesday, 22 September 2010

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Technology and TV

1. TV & TECHNOLOGY PETER WOOD Wednesday, 22 September 2010

2. Wednesday, 22 September 2010

3. Wednesday, 22 September 2010

4. Wednesday, 22 September 2010

5. Wednesday, 22 September 2010

6. Wednesday, 22 September 2010

7. Wednesday, 22 September 2010

8. DAX IS A LOT OF DATA 1 FRAME = 1280X720 PIXEL = 921, 600 PIXELS EACH PIXEL HAS 32BIT COLOUR SO 1 FRAME = 3.5MB 3.5MB X 25 = 90MB/S Wednesday, 22 September 2010

9. DAX IS A LOT OF DATA 1 FRAME = 3.5MB 3.5MB X 25 = 90MB/S 3G = 0.5MB/S BROADBAND = 5MB/S WIFI = 50MB/S USB 2.0 = 57MB/S Wednesday, 22 September 2010

10. Wednesday, 22 September 2010

11. Wednesday, 22 September 2010

12. Wednesday, 22 September 2010

13. Wednesday, 22 September 2010

14. INTERLACING Wednesday, 22 September 2010

15. DE-INTERLACE B4 YOU EDIT Wednesday, 22 September 2010

16. COMPRESSION Wednesday, 22 September 2010

17. ALL ABOUT CAKE Wednesday, 22 September 2010

18. H.264 MPEG4 NEW COMPRESSION SYSTEMS EMERGE ABOUT EVERY 10 YEARS. LARGELY BECAUSE OF CHIP SPEED. MPEG 2 1993, MPEG 4 AVC 2003, MPEG HVC DUE IN 2013. EACH SYSTEM USUALLY TWICE AS EFFICIENT AS LAST. WHAT ARE THE LIMITS? NO ONE KNOWS. Wednesday, 22 September 2010

19. Wednesday, 22 September 2010

20. Wednesday, 22 September 2010

21. SO USE SOMETHING LIKE PRO RES TO EDIT 720P25 Wednesday, 22 September 2010

22. INTERNET BROADCASTING Wednesday, 22 September 2010

23. BROADBAND AV SPEED = 3MB 6 4.5 3 1.5 0 5PM 7PM 9PM 11PM 1AM 3AM Wednesday, 22 September 2010

24. 6 4.5 3 1.5 0 5PM 6PM 7PM 8PM 9PM 10PM 11PM 12AM 1AM 2AM 3AM Wednesday, 22 September 2010

25. HIGH SPEED 1.5MB HD MED SPEED 700K SD/ED REALLY SLOW 190K Wednesday, 22 September 2010

26. ADAPTIVE BITRATE 6 4.5 3 1.5 0 5PM 7PM 9PM 11PM 1AM 3AM Wednesday, 22 September 2010

27. BYE BYE BUFFERING Wednesday, 22 September 2010

28. LIVE BROADCASTING Wednesday, 22 September 2010

29. Wednesday, 22 September 2010

30. First Live BroadCast appearing on an experimental Baird Televisor at the Ideal Home Exhibition in Southampton, 1930 PEGGY O’NEIL Wednesday, 22 September 2010

31. VIDEO ENCODER STREAMER PLAYER VIEWERS Wednesday, 22 September 2010

32. THE FUTURE? Wednesday, 22 September 2010

33. THE FUTURE? 1950 Wednesday, 22 September 2010

34. ULTRA HIGH DEFINITION Wednesday, 22 September 2010

35. HIGH DEFINITION 1080 Wednesday, 22 September 2010

36. ULTA HIGH DEFINITION V1 4K Wednesday, 22 September 2010

37. 8K ULTA HIGH DEFINITION V2 Wednesday, 22 September 2010

38. LONDON 2012 Wednesday, 22 September 2010

39. Wednesday, 22 September 2010