3DTV Broadcasting

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04/24/22 1

description

Delivering 3D content over a hybrid network

Transcript of 3DTV Broadcasting

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04/10/23 1

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INTRODUCTION3D television is tv that conveys depth

perception to the viewer by employing techniques such as stereoscopic display, multi-view display, 2D-plus-depth, or any other form of 3D display

3D televisions shipments have totaled 41.45 million units in 2012, compared with 24.14 in 2011 and 2.26 in 2010.

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ADVANCES in 3D digital technologies Dramatic increase in the number of 3DTV’s

Moving Picture Experts Group (MPEG), SMPTE and DVB have developed specific standards for the compression, storage, and transmission of 3DTV content

TVs have are evolving into hybrid TVs, which use both broadcast and broadband networks.

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What you'll need to experience 3D TV in your home use of specially designed screen that can

display two different versions of a video image by alternating the video frames at very high speed.

3D glasses for each viewer

A 3D video source

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Limitations Of The Current SchemeLimited Bandwidth.Compensation of the 3D content and resolution for smaller transmission size.

Overall degradation in quality.

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Current Methods

1.Frame Compatible Method

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Current Methods

2. Dual Stream Method

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Concept of Hybrid 3DTV Broadcasting Service

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Hybrid 3DTV Broadcasting Scheme Service Signaling Method

Synchronization Method

Transmission Method

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ACTIVE 3DActive 3D uses active 3D glasses, which

rapidly block each eye in time with images shown on the screen. Each eye sees something different, producing a 3D effect. Active 3D TVs provide higher-resolution images with less ghosting, but the glasses are pricey and need batteries.

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PASSIVE 3DPassive 3D uses polarized glasses (like you

get in movie theaters) that alter what each eye sees on the screen. The quality level is not quite up to par with active 3D, but passive glasses are much cheaper and don't require batteries.

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THE OVERALL PICTURE

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THE PERCEPTION

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NetflixIntroduction of 4K tv’s

50-60 GB Movie Size

Delivering high qualitycontents using BROADBAND

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LIMITATIONS OF 3DTVRequires active shutter glasses

Rapid Blinking effect when seen away from screen

Health concerns

10% felt headache after watching 3d contents

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Latest ProposalSony’s new prototype for 3dtvs

Viewing in 3D without the help of specs

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CONCLUSIONThe proposed new scheme to broadcast 3DTV

over a hybrid network resolves the poor quality issues with 3dtv broadcasting. In order to maintain compatibility with a legacy 2D DTV receiver, the design of this scheme is based on the stereoscopic dual stream method. In addition, the scheme provides a way to overcome the bandwidth limitation of the current 3DTV broadcasting service by using a hybrid network that is widely adopted by current smart TVs.

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REFERENCEeeexplore.ieee.org

http://www.crutchfield.com/S-hIk8AT7skgs/learn/HDTV/3D.html

http://indiatoday.intoday.in/story/Why+you+should+not+buy+3D+TVs/1/87989.html