this slide about ultra high-definition television (UHDTV) and its features and technology :)

1. SUPER HI-VISION
ON THE HORIZON
PRESENTED BY
NIDHEESH VP
CS-7

2. 2
INDEX
1. INTRODUCTION
2. OUTLINE OF SHV
3. VIDEO SYSTEM FOR SHV
4. SOUND SYSTEM FOR SHV
5. DEVELOPMENT OF SHV EQUIPMENTS
6. PROGRESS IN DEVELOPMENT
7. FULL-RESOLUTION SYSTEMS
8. TRANSMISSION TRIALS WITH SHV SIGNALS
9. CONCLUTION
10. REFERENCES

3. INTRODUCTION
 Super hi-vision (SHV) can provide an increased
sense of reality and presence to viewers.
 The Japan Broadcasting Corporation (Nippon Hōsō
Kyōkai, NHK) has been developing an extremely
high-resolution video system called
super hi-vision (SHV)
 SHV is an ultra high-definition television
(UHDTV)
• It has 33 megapixels along with 22.2-multichannel
sound
• It pixel count is 16 times larger than that
of HDTV
3

4. INTRODUCTION (CONTINUE)
• The 22.2-multichannel sound is achieved through
a three-dimensional (3-D) sound system that provides a more
immersive experience than the conventional 5.1-channel
surround.
• The SHV system was designed on the basis of our
human sciences research on audiovisual
perception characteristics
• SHV is outlined and recent research and
development on this future TV system is described
4

5. OUTLINE OF SHV
 SHV was designed to provide an enhanced sense of reality
and presence and a new audiovisual experience
 This enhanced sense provides viewers with a sensation of
reality as if a real object was in front of them.
 SHV will provide a sense of being there and a sense of
realness that distinguishes itself from existing TV systems
5

6.  The basic parameters of the SHV system were
decided on the basis of studies human visual and
auditory senses.
OUTLINE OF SHV(contd)
6

7.  compared with HDTV For SHV a total of 33 megapixels per
frame Because of the greater pixel density
 the individual pixels are far less noticeable even in close
proximity to the screen
 securing a wider viewing angle.
 the Society of Motion Picture & Television Engineers
(SMPTE), has published the essential standards for basic
SHV system parameters
• image formats,
• audio channel mapping
• signal interface
OUTLINE OF SHV (contd…)
7

8. VIDEO SYSTEM FOR SHV
 VIDEO SYSTEM FOR SHV
1. STUDIES ON THE SENSE OF REALITY AND
PRESENCE
2. VIEWING STYLES WITH SHV
8

9. 1. STUDIES ON THE SENSE OF REALITY AND
PRESENCE
 A wider viewing angle leads to a stronger sense of being there.
 The sense of being there increases with angle of around 80%–
100%.
 The wide visual angle includes the induced visual field of the
human visual system.
 Viewing distance that is 0.75–1.00 times the picture height.
 A distance at which people with normal visual
acuity cannot discern the pixel structure.
VIDEO SYSTEM FOR SHV (contd..)
9

10.  Both images with various resolutions and real objects were
viewed through an experimental setup
 Such as cular disparity, image size, perspective, luminance, and
color
 Observers were asked to choose the image that appeared closer
to the real object.
 The results show that the sense of realness increases with the
angular resolution about 60 cycles per degree (cpd)
 An image resolution of 30 cpd, corresponds to the minimum
separable angle of normal vision .
 This angleis often used as the criterion for viewing conditions
VIDEO SYSTEM FOR SHV (contd…)
10

11. VIDEO SYSTEM FOR SHV (contd…)
2. VIEWING STYLES WITH SHV
 the image format of SHV was decided to be 7,680×4,320 pixels, which
is four times the resolution of HDTV
 SHV can provide both the sense of being there and the sense of
realness for a wide range of viewing angles or viewing distances.
 This feature of SHV is expected to be used effectively in various
viewing environments and for large, medium, and small displays
11

12. FIGURE 1. Viewing styles for enjoying
SHV at home.
(a) A large screen conveys a sense of
being there. An SHV system has a high
enough resolution on large screens. We
can enjoy life-size images to create a
high sense of presence.
(b) A midsize screen conveys a
sense of realness. We can view the
extremely high-resolution
images over a wide range of viewing
distances.
FIGURE 1.
12

13. (c) An SHV display can be used as an information display for a variety of
content. When we realize an ultra-thin and flexible personal screen, we can
enjoy photogravure-quality moving pictures on a portable display.
13

14. SOUND SYSTEM FOR SHV
 Sound is also essential for conveying an enhanced sense of Reality
 Sound localization and envelopment are related to spatial characteristics
of natural sound
 The spatial characteristics of sound become important particularly in 3-D
sound systems that can reproduce an enhanced spatial sound
experience.
 The sound system for SHV requires stable sound localization over a TV
screen and reproduction of a 3-D spatial impression that augments a
sense of reality.
 The system has 22.2 multichannel
 The system has three layers of loudspeakers
 consists of nine channels at the top layer
 ten channels at the middle layer
 three channels at the bottom layer
 two Low Frequency Effect (LFE) channels.
14

15.  The middle layer has eight loudspeakers at a 45% arrangement and
an additional two loudspeakers to match sound localization with the
video images on the screen.
 It also has two LFE channels to create an enhanced sound
experience.
 the 22.2-multichannel system has the following features:
 stable localization of frontal sounds over the entire screen area
 reproduction of sound images in all 3-D directions around a viewer/listener
 creation of a wide listening area with exceptional sound quality
 compatibility with existing multichannel sound systems.
SOUND SYSTEM FOR SHV (contd..)
15

16. FIGURE 2. A loudspeaker layout of a 22.2-
multichannel sound system.
16

17. DEVELOPMENT OF SHV EQUIPMENTS
 THE FIRST EXPERIMENTAL SYSTEMS
• Started to developing SHV equipment around 2000
• First developed a camera, a projector, and recording
Equipment
• started R&D on SHV, only 8-megapixel imaging devices were
available
• first experimental systems used a dual-green format with four 8-
megapixel devices, two for green (G),one for red (R), and one for blue
(B)
17

18. DEVELOPMENT OF SHV EQUIPMENTS
(contd..)
• a green signal contributes the most to the resolution of an image
• the number of sampling points for a green signal is equivalently
double in both the horizontal and vertical directions.
• developed the first experimental SHV camera (Figure 3),
• whose camera head weighs 80 kg and uses four 8 megapixel
charge-coupled devices
18

19. DEVELOPMENT OF SHV EQUIPMENTS
(contd..)
• The first prototype SHV projector (Figure 4) consisted of two
stacked projectors
• it is used four 8-megapixel liquid crystal on silicon (LCOS)
panels
• The use of separate projectors for the G image
and R and B images requires convergence correction,
19

20. FIGURE 3. The first prototype SHV camera using
four 8-megapixel
2.5-in CCD image sensors (2002).
20

21. PROGRESS IN DEVELOPMENT
• improving performance and reducing the size of the equipment
• The camera head has since been dramatically reduced in size and
weight, and the latest camera head (Figure 5) is only 20kg
• Developed a compact SHV projector ,uses three 8-megapixel LCOS
panels, one each for R, G, and B.
• a new optical device that performs half-pixel shifting of each of the
three primary colors every second frame
• developed mobile and recording capacity of 2 h
• developed a compressed flash memory recorder whose total
recording time is about 2 h with 34 cards. 21

22. • developing systems that can be used for efficient program
production
• video editing system, alive switcher, and slow playback
recorders.
• a compact 22.2-multichannel microphone array (Figure 7) that
enables us to easily capture 3-D sound outdoors.
• A new audio mixing console (Figure 8) has a 3-D panning
function
• that can localize sound images at arbitrary positions in 3-D
sound fields
22

23. FIGURE 4. The first prototype
SHV projector consisted of two
stacked projectors (2002).
FIGURE 5. A practical SHV camera
using four 8-megapixel 1.25-in CMOS
image sensors (2010)
23

24. FIGURE 6. A compact projector capable
of displaying SHV by
using 4,000 x 2,000 pixel display devices
(2010).
FIGURE 7. A one-point 22.2-
channel sound
microphone (2009).
24

25. FIGURE 8. A 22.2-multichannel audio mixing system that can
simultaneously combine more than 1,000 sound elements (2010). 25

26. FULL-RESOLUTION SYSTEMS
• developed a full resolution SHV video system with
three 33-megapixel devices for R, G, and B
• developed an SHV camera (Figure 9) with three33-megapixel CMOS image
sensors in 2010
• SHV projector (Figure 10) with three 33-megapixel LCOS panels in 2009.
• An 85-in liquid crystal display (LCD) with full-resolution SHV in 2011
(Figure 11).
• With this flat panel display, it is possible to enjoy immersive high-quality SHV
at your preferred viewing distance in a room.
• also developed loudspeakers integrated into the display for reproducing 22.2-
multichannel sound
• This system makes it possible to reproduce sounds from all directions 26

27. FIGURE 9. A full-resolution SHV prototype camera using
three 33-megapixel CMOS image sensors (2010).
• provide a feeling of spaciousness that contributes to the strong
sense of presence and reality.
FULL-RESOLUTION SYSTEMS(contd..)
27

28. FIGURE 10. A full-resolution SHV projector with three 33-megapixel
LCOS panels (2009).
28

29. FIGURE 11. An 85-in full-resolution SHV direct-view LCD with a
pixel pitch of 0.25 mm (2011).
29

30. TRANSMISSION TRIALS WITH SHV
SIGNALS
• carried out a first transmission trial of an uncompressed
SHV signal by using an optical fiber network in 2005
• The data rate of SHV is very large, highly efficient video coding and wide
band transmission are essential technologies for broadcasting
• developed an MPEG-2 codec in 2005 and automatic volume control
(AVC)/H.264 codecs in 2007 and 2010 (Figure 12),respectively
• Using these codecs, we carried out SHV transmission tests via both
satellite links and IP networks
• The world’s first international transmission experiment was jointly conducted
by NHK, BBC (United Kingdom), RAI(Italy), and the European Broadcasting
Union (EBU) at the International Broadcasting Convention (IBC) 2008 in
Amsterdam (Figure 13). 30

31. • A compressed SHV signal (600 Mb/s) was transmitted from London to
Amsterdam over an optical fiber network ,.
• Another one at 140 Mb/s was transmitted from Turin to Amsterdam via the
satellite link
• NHK and the National Institute of Communications Technologies conducted a
multichannel SHV transmission experiment by using the Wideband Internet
working Engineering Test and Demonstration Satellite(WINDS) in 2009
• developed a 300-MHz wideband modulator for 370–500 Mb/s transmission
• A live program from Sapporo was transmitted through an IP network to
Kashima, and three SHV programs were transmitted via WINDS from Kashima
to NHK Science& Technology Research Laboratories (STRL) in Tokyo.
• SHV programs were compressed to 100 Mb/s by using the AVC/H.264 codec
31

32. FIGURE 12. An AVC/H.264-based codec using eight 1,080-60P
encoding units (2010).
32

33. FIGURE 13. Public viewing at IBC 2008: SHV programs
were transmitted live from London to Amsterdam. 33

34.  SHV was designed to provide an enhanced sense of
reality and presence and a new audiovisual experience.
 The technologies of SHV will contribute to various
applications besides broadcasting
 The transmission systems can be used for various
events such as
 live relays of sports or music events on a global
scale.
 cooperative museum exhibitions.
 telemedicine.
 we believe that rich media will bring us rich life in the
future. We hope that SHV will enrich our lifestyles in
many new ways
CONCLUSION
34

35. REFERENCES
 [1] M. Sugawara, M. Kanazawa, K. Mitani, H. Shimamoto, T. Yamashita,
and F. Okano, ―Ultrahigh-definition video system with 4000 scanning lines,‖
SMPTE Motion Imaging, vol. 112, no. 10/11, pp. 339–346,2003.
 [2] M. Sugawara, K. Masaoka, M. Emoto, Y. Matsuo, and Y. Nojiri,
―Research on human factors in ultra-high-definition television to determine
its specifications,‖ SMPTE Motion Imaging, vol. 117, no. 3, pp.23–29, 2008.
 [3] Y. Nishida, K. Masaoka, M. Sugawara, K. Ohmura, M. Emoto, and E.
Nakasu, ―Super hi-vision system offering enhanced sense of presence and
new visual experience,‖ in Proc. IBC 2011.
 [4] Ultra High Definition Television—Image Parameter Values for Program
Production, SMPTE 2036-1-2009.
 [5] Ultra High Definition Television—Audio Characteristics and Audio
Channel Mapping for Program Production, SMPTE 2036-2-2008
35

36. 36
 [6] Ultra High Definition Television—Mapping into Single-Link or
Multilink 10 Gb/s Serial Signal/Data Interface, SMPTE 2036-3-2010.
 [7] K. Masaoka, M. Emoto, M. Sugawara, and Y. Nojiri, ―Contrast
effect in evaluating the sense of presence for wide displays,‖ J. SID,
vol. 14, no. 9, pp. 785–791, 2006.
 [8] K. Masaoka, M. Emoto, M. Sugawara, and Y. Nojiri, ―Comparing
realness between real objects and images at various resolutions,‖
in Proc. SPIE-IS&T Electronic Imaging, 2007, vol. 6492,pp. 1–9.
 [9] K. Hamasaki, K. Hiyama, and R. Okumura, ―The 22.2 multichannel
sound system and its application,‖ presented at the AES
118th Convention , Barcelona, Spain, May 2005, Paper #6406.
 [10] H. Shimamoto, T. Yamashita, N. Koga, K. Mitani, M. Sugawara, F.
Okano, M. Matsuoka, J. Shimura, I. Yamamoto, T. Tsukamoto, and S.
Yahagi, ―An 8k # 4k ultrahigh-definition color video camera with
8M-pixel CMOS imager,‖ SMPTE Motion Imaging, vol. 114, no. 7–8,
pp. 260–268, 2005