Video Layer Quality Of Service: Unprecedented Control And The Best Video Quality At Any Given Bit Rate (2008)

By Ron Gutman, Marc Tayer, Imagine Communications, Inc.

Spurred by DirecTV’s 2007 declaration that it will be the world’s first television service provider to reach 100 HD channels, cable operators are moving rapidly to create additional bandwidth not only to carry dozens more linear HD channels, but also to provide hundreds, and eventually thousands, of HDVOD titles. The video quality bar is simultaneously rising due to the mass consumer adoption of large HDTV displays and the growing popularity of Blu-ray. This paper discusses the fundamental and elusive paradox of how to cost-effectively increase bandwidth efficiency without sacrificing video quality. Leveraging a concept from IP networking, Video Layer Quality of Service (Video Layer QoS) involves creating minimum and maximum video quality values at the service level, while adding the technical dimension of true Variable Bit Rate (VBR) constant quality video coding. Similarly, Video Layer QoS allows the optimization of bandwidth efficiency while guaranteeing the quality of service in a sustainable manner throughout the various switching, multiplexing and splicing stages of video communications networks. The paper also discusses the human visual perceptual system as well as related video processing and delivery aspects for a variety of digital video services.

By clicking the "Download Paper" button, you are agreeing to our terms and conditions.

Similar Papers

Video Layer Quality Of Service: Unprecedented Control And The Best Video Quality At Any Given Bit Rate
By Ron Gutman, Marc Tayer, Imagine Communications, Inc.
2008
Developing A Grading System For Digital Video Quality
By Dave Higgins, Chuck Wester, Comcast Media Center
2009
Separation of Video Processing and Multiplexing: The Key to Network Scaling of HD-VOD and other Bandwidth Intensive PersonalizedTV® Services
By Ron Gutman, Imagine Communications, Inc.
2009
Video Quality Impairments 101 For MSO's
By Daniel Howard, VQLink, Inc.
2010
Variable Bit Rate Video Services In DOCSIS 3.0 Networks
By Xiaomei Liu, Alon Bernstein, Cisco Systems
2008
Broadcast Quality Video Over IP Networks: Challenges And Solutions
By Santhana Krishnamachari, John Hartung, Junfeng Bai, EGT, Inc.
2006
Video Compression Performance: Subjective Evaluation Of Picture Quality
By Bronwen Lindsay Jones, Independent Contractor, Richard S. Prodan, Ph.D., Cable Television Laboratories, Inc. and David A. Eng, Cable Television Laboratories, Inc
1996
A Systematic Approach To Video Quality Assessment And Bitrate Planning
By Sean T. McCarthy, Ph.D. ARRIS
2015
Smart ABR: The Future Of Managed Ip Video Services
By John Ulm, Ajay Luthra, Praveen Moorthy, Mark Schmidt, Haifeng Xu, ARRIS, Inc.
2013
Communications For Improved Quality Of Life
By Dr. Peter C. Goldmark, Goldmark Communications Corp.
1972
More Results >>