A Revolutionary Digital Broadcasting System: Sony Corporation Achieving Maximum Possible Use of Bandwidth

A Revolutionary Digital
       Broadcasting System:
Achieving Maximum Possible Use of Bandwidth

     Naohisa Kitazato, Yoshiharu Dewa,
       Robert Blanchard, Mark Eyer
          Sony Corporation

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Next Generation Broadcast System

                           2

Next Generation Broadcast System
  Transmission technology and video coding evolution will change the
   equation: From 1 HDTV to 10 HDTV        Y1

                                    Next Generation Broadcast System

Legacy Broadcast System

                                                                        3

Slide 3

Y1        I think "will change the equation" should change more catchy word.
          "will change the existing rule"

          Or, eliminate the existing limitation ?

          How do you think
          YM, 10/13/2010

Next Generation Broadcast System

Super HDTV and Eyewear-free 3DTV
Higher Efficient Codec
High-bandwidth Internet
High-powered Mobile Devices

                                    4

This Presentation Introduces…

Seven use cases enabled by NGBT
Categorized as:
  Service use cases achieved with effective use
   of broadband
  Service use cases achieved with integration of
   converged media

                                                    5

Service Use Cases Achieved with
Effective Use of Broadband

                             6

Video Experience Expansion

Use Case 2                      Use Case 1

                       Use Case 3

Use Case 1: Super HDTV

                         8

Use Case 1: Technology Analysis
 TV Display Resolution:
     HDTV→Super HDTV (4K by 2K resolution)
 Larger Screen
 Super HDTV (3820×2160 60P) one channel within 6 MHz
    HEVC codec is required

                                                        9

Use Case 2: Eyewear-Free 3DTV

                                10

Use Case 2: Technology Analysis
 ATSC is considering stereoscopic 3D
  services which are full resolution and
  offer 2D service compatibility
 A TV manufacturer is developing
  eyewear-free 3DTV
 For eyewear free 3DTV, multiple-scopic
  video signal is desirable
 HDTV multiple-scopic service for
  eyewear-free TV
  one channel within 6 MHz - HEVC &
  3DV

                                           11

Use Case 3: Multi-View Portal

(c)Sony Computer Entertainment Inc.
ATSC NWIP for ATSC 2.0                 12

Use Case 3: Technology Analysis
          • Several sub-channels (ES) within one Virtual Channel
          • Portal Service consists of 1 HDTV (multi-video) with TDO
          • Viable with the introduction of new technologies

© Sony Computer Entertainment Inc.
ATSC NWIP for ATSC2.0                                                  13

Service Use Case Achieved with
Integration of Converged Media

                             14

Media Fusion Total System

                      Broadcast

                                  Wireless Connection

                   IP network

                                                        15

Use Case 4: Fixed/Mobile Convergence

                         © Sony Computer Entertainment Inc.
                         ATSC NWIP for ATSC2.0                16

Use Case 4: Technology Analysis
 Mobile Devices with TV remote control functionality
     Power on/off
     Channel selection, etc.
 Mobile Device could display EPG
     Program selection
     PVR functionality (record a show, set up a season pass, etc.)
 As a broadcast service, the following functions could be realized:
     TDO applications could be moved to mobile devices
     Streaming content related to fixed program could be played on a mobile device
     Personalized service can be realized with Profiles, Demographics, and Interests (PDI )
      questionnaire set on a mobile device

                                                                                           17

Use Case 5-1: Target Ad Switching
Broadcast Stream                               Broadcast Timeline

                                                                                                Ad Switching

                                                                    Based on Demographic data
                                     Ad Switching
   Internet
  Streaming
                                                                                                Ad Switching

© Sony Computer Entertainment Inc.

Use Case 5-2: Flexible-Length Program

                                        19

Use Case 5-2: Technology Analysis
• Internet Streaming replaces or is inserted into broadcast
  stream
• AV signal synch. and buffer control must be considered
 1) Targeted Ad switching
                        Ad1     Program A            Ad2
   Broadcast
            Internet

 2) Flexible-Length Program
                                 Program B                        Program C
   Broadcast
                                Time-shifted           Time-shifted
                                broadcast              broadcast

               Internet   VOD                  VOD                            20

Use Case 6: Interactive Video Portal
Broadcast Stream

Internet Streaming
 (Branch-able video)

Use Case 6: Technical Analysis

Most Portal services may be realized by
 declarative (scripted) application
Interactive Video Portal service can use
 Internet Streaming
Branchable multiple streaming threads with
 metadata could realize this use case

                                              22

Use Case 7-1: Free-Viewpoint Service

                                       23

Use Case 7-2: Free-Viewpoint Service
                                      Camera

                         Concatenation & Normalization

           \\       \\               \\              \\

                                                          24

Use Case 7-1/7-2: Technical
Analysis
Several cameras capture whole view
Transmitting multiple views via broadcast
 (and internet) divided into plural streams
Receivers receive them and combine them
   Viewer customize and control their own views
  Can adjust viewing angles, zoom, tilt, pan, etc.

                                                      25

Use Case 7-3: Free-Viewpoint Service
                                                Camera

 Broadcast Stream
             Camera 1
             Camera 2
             Camera 3

Internet Stream
    4

    5
                        movement of viewpoint
    6
    7

    N

                                                         26

Use Case 7-3: Technical Analysis
• Several tens or hundreds cameras to capture each view
• Transmission via broadcast and internet.
• Receivers interpolate and create a view between two cameras
  using 3DV technology

                      Calculated Front View

                                                                27

Conclusion
6 MHz + Internet offers many possibilities
Concepts for consideration:
   Advanced Codecs
   Eyewear-free 3DTV
   Super HDTV
   Free-Viewpoint service, User-selectable views
   Convergence with mobile/hand-held devices
The future is rich with possibilities!

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Thank You

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©Sony Computer Entertainment Inc.
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protected as Ferrari property under design, trademark and trade dress regulations.

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