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Symmetricom QoE Expert Invited as Panelist and Speaker at First International Workshop on Quality of Multimedia Experience (QoMEX)

Symmetricom®, Inc. (NASDAQ: SYMM), a worldwide leader of precise time, synchronization and video quality management technologies that optimize next generation networks, today announced that Dr. Stefan Winkler, principal technologist for QoE Solutions, is participating on the panel, “Quality of Experience: Tools, Targets and Trends” at the First International Workshop on Quality of Multimedia Experience (QoMEX ‘09) on Thursday, July 30, 2009 in San Diego, Calif. At the conference, Dr. Winkler will also present his paper “The Properties of Subjective Ratings in Video Quality Experiments” during session 5 on Subjective Quality Assessment and Verification II.


  Dr. Stefan Winkler, principal technologist for QoE Solutions at Symmetricom


Panel Discussion: “Quality of Experience: Tools, Targets and Trends” at QoMEX ‘09
Presentation: “The Properties of Subjective Ratings in Video Quality Experiments”


Thursday, July 30, 2009


Paradise Point Resort, 1404 Vacation Road, San Diego, CA 92109

On the panel, “Quality of Experience: Tools, Targets and Trends,” participants will discuss new techniques needed to assess and enhance multimedia experience from the user perspective. The panel is chaired by Dr. Fernando Pereira from the Instituto Superior Técnico and Instituto de Telecomunicações, Lisbon, Portugal. Co-panelists include Dr. Alan Bovik from the University of Texas, Dr. Sebastian Möller from Deutsche Telekom Labs and Dr. Gary Sullivan from Microsoft.

Additionally, in his presentation, Dr. Winkler will discuss certain practical aspects of subjective ratings that are essential to the design of efficient experiments. In particular, the talk will focus on the distribution and variability of subjective ratings, the effects of discrete rating scales and the number of subjects needed.

Dr. Winkler has published more than 50 papers on perceptual quality measurement and is the author of the book, “Digital Video Quality.” He was the chief scientist and co-founder of Genista Corporation, a provider of quality assurance solutions for IPTV and mobile media and has held assistant professor positions at the National University of Singapore (NUS) and the University of Lausanne, Switzerland. He is a member of the technical program committee for QoMEX.

Symmetricom offers a unique approach to QoE with its video quality management solutions designed to deliver unprecedented understanding of video service quality. For information on the company’s V-Factor® Quality of Experience (QoE) monitoring platform, visit: http://www.symmetricom.com/products/qoe-assurance/.

About QoMEX

On July 29–31, 2009, QoMEX will bring together professionals and scientists in multimedia quality and user experience from around the world. The event is sponsored by IEEE Signal Processing Society and Peta Media.

For more information, visit: http://www.qomex.org/.

About Symmetricom, Inc.

As a worldwide leader in precise time and frequency products and services, Symmetricom provides “Perfect Timing” to customers around the world. Since 1985, the company’s solutions have helped define the world’s time and frequency standards, delivering precision, reliability and efficiency to wireline and wireless networks, instrumentation and testing applications and network time management. Deployed in more than 90 countries, the company’s synchronization solutions include primary reference sources, building integrated timing supplies (BITS), GPS timing receivers, time and frequency distribution systems, network time servers and ruggedized oscillators. Symmetricom also incorporates technologies including Universal Timing Interface (UTI), Network Time Protocol (NTP), IEEE 1588 (Precision Time Protocol), and others supporting the world’s migration to Next Generation Networks (NGN). Symmetricom’s QoE video quality management solutions provide the tools necessary to accurately monitor and analyze video quality and bring higher satisfaction levels to the end user. Symmetricom is based in San Jose, Calif., with offices worldwide. For more information, visit http://www.symmetricom.com.


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