1. V-Factor QoE Platform Q-1000 Solution Overview

2. PAGE 2© COPYRIGHT SYMMETRICOM (2003-2007) V-Factor Components Headend AnalyzerNetwork Probes Software Agents VIDEO HEADENDCOREVIDEO SERVICE OFFICEACCESSHOME End-to-End Correlation Configuration & Management Monitoring & Diagnostics Aggregation &Reporting Integration to OSS End-to-End Correlation Configuration & Management Monitoring & Diagnostics Aggregation &Reporting Integration to OSS Management Software Real time monitoring of video streams (network performance & content quality) from within the customer premise Real time monitoring of video streams (network performance & content quality) from within the customer premise Software Agents Powered by V-Factor Collect, aggregate & report network performance quality metrics Powered by V-Factor Collect, aggregate & report network performance quality metrics Network Probes Collect, aggregate & report quality & integrity of source video as well as transcoding and encoding impairments Collect, aggregate & report quality & integrity of source video as well as transcoding and encoding impairments Headend Analyzer True End-End Solution: specialized functions for each demarcation

3. PAGE 3© COPYRIGHT SYMMETRICOM (2003-2007) V-Factor’s 4 Unique Capabilities Head-End Analyzer Network Probes Softwa re Agents VIDEO HEADENDCOREVIDEO SERVICE OFFICEACCESSHOME Management Software Software Agents Network Probes Head-End Analyzer 1. Deep Pixel-by-Pixel Headend Solution Deep pixel-by-pixel video content analysis – not just video stream Accurately detects source content issues and headend errors – major issues impacting ALL customers No-reference and full-reference configurations 2. Scalable CPE Offering Lightweight agent for PC, STB, gateway, etc Complete end-end coverage of last mile & home – STB or Home Gateway - Up to 75% of problems Proactive monitoring vs reactive probe-based solutions Most scalable solution for end-end coverage – Scales as CPEs are added – No extra hardware, management costs 3. Unique Correlation Capability Single view of video quality as perceived by end-user Pre-encrypted deep content analysis correlated with post- encrypted network header analysis to determine impact of impairments on video content Industry’s most accurate assessment of end-user QoE - determines impact of network impairments on content 4. Exclusive V-Factor Score Simple MOS score (1-5) to represent subjective quality Easy to understand, report, aggregate Q-1000 Headend Analyzer

4. PAGE 4© COPYRIGHT SYMMETRICOM (2003-2007) V-Factor Deployment in IPTV Network

5. PAGE 5© COPYRIGHT SYMMETRICOM (2003-2007) Q1000 Overview

6. PAGE 6© COPYRIGHT SYMMETRICOM (2003-2007) Q-1000 Key Features Headend Analyzer Q-1000  Source video quality inspections in Video Headends  Pixel by pixel video examination replacing the need for manual human examination  Supports ASI, SDI for SD & HD videos  2 major solution modes:  Full-Reference Solution  No-Reference Solution Native support for all industry standard video formats and codecs Formats: HD 1080p, HD 1080i, HD 720p, SD (NTSC, PAL), VGA, CIF, QVGA, QCIF Codecs: MPEG1, MPEG2, MPEG4, H.264, WMV, VC1, H.263. Plus any DirectShow filter based codecs (DivX, Motion JPEG2000, …) HW Configurations  Runs on Windows XP with SP2  SuperMicro 2U PC chassis with 2 x 3GHz CPUs  4 x 2GB DDR RAM  5 x 500GB HDD  SDI and ASI interface cards for video input

7. PAGE 7© COPYRIGHT SYMMETRICOM (2003-2007) Q-1000 Applications ► Source video analysis and validation ► Replaces need for human involvement ► Encoder / transcoder validation ► Detect impairments ► Tune and configure devices for optimum performance ► Ad-insertion validation ► Ensure high quality ads before or after ad-insertion process ► End-user QoE assessments ► Pixel-by-pixel validation of video content as seen after STB (lab environment)

8. PAGE 8© COPYRIGHT SYMMETRICOM (2003-2007) Full Reference Solution Compression/ Transmission System Video SenderReceiver Video Full ref. Quality Measurement Full reference information ► Off line analysis ► High accuracy ► Alignment procedure ► Comparison of individual frames of the sequences

9. PAGE 9© COPYRIGHT SYMMETRICOM (2003-2007) Full Reference Solution ► Target ► Laboratory applications ► Codec comparison ► Encoder tuning & optimization ► Acceptance testing ► Content ► Disk resident video clips ► Uncompressed Reference ► Video Metrics ► Perceptual (MOS,Jerkiness, Blockiness, Blur, Noise, Colorfulness) ► Fidelity ► ANSI ► Watermark

10. PAGE 10© COPYRIGHT SYMMETRICOM (2003-2007) No Reference Solution ► Sole provider of real-time non-intrusive no reference metrics ► No alignment procedure ► Real time monitoring Video Compression/ Transmission System SenderReceiver Video No ref. Quality Measurement

11. PAGE 11© COPYRIGHT SYMMETRICOM (2003-2007) No Reference Solution ► As part of HW+SW bundled solution ► Target: IPTV applications (Headends and video labs) ► Different capture cards ► Perceptual video metrics only ► 3 supported video formats ► Analog (AD) ► Standard Digital (SD) ► High-Def Digital (HD)

12. PAGE 12© COPYRIGHT SYMMETRICOM (2003-2007) ► Supported format ► NTSC(480i), PAL(576i) ► Interface ► S-Video, Composite ► Example of usage: No Reference Solution Analogue Source Real time analysis Real time capture

13. PAGE 13© COPYRIGHT SYMMETRICOM (2003-2007) No Reference Solution SD and HD ► SD ► Support Standard Definition format ► SD (NTSC, PAL) ► HD ► Support Standard and High definition format ► HD 1080p, HD 1080i, HD 720p, SD (NTSC, PAL) ► Interface ► SDI ► uncompressed videos (SD or/and HD) ► ASI ► MPEG-2 TS, support MPEG2 decoding

14. PAGE 14© COPYRIGHT SYMMETRICOM (2003-2007) Q-1000 Key Features and Benefits  Comprehensive and complete suite of metrics and interfaces  Fully automated video analysis replaces the need for human involvement in watching, finding and analyzing each video stream  Lower cost  More efficient  Subjective video score just as if watched by a person  Tangible Benefits of Perceptual Quality Measurement  Finds the right balance between file size and quality  Helps to determine adequate bandwidth for best quality  Provides the right metrics for setting codec parameters  Monitors quality the way a subscriber would

15. PAGE 15© COPYRIGHT SYMMETRICOM (2003-2007) Q-1000 Key Features and Benefits  Native support for all industry standard video formats and codecs  Formats: HD 1080p, HD 1080i, HD 720p, SD (NTSC, PAL), VGA, CIF, QVGA, QCIF  Codecs: MPEG1, MPEG2, MPEG4, H.264, WMV, VC1, H.263 Plus any DirectShow filter based codecs (DivX, Motion JPEG2000, …)  Proven solution has been commercially deployed for over 7 years  Real-time no-reference analysis during video playback  No-reference – no alignment needed  Only vendor of a commercial, non-intrusive, absolute video quality metrics solution today

16. PAGE 16© COPYRIGHT SYMMETRICOM (2003-2007) V-Factor Summary ► V-Factor has key unique capabilities for triple play monitoring ► V-Factor is the most comprehensive end-end network monitoring solution ► V-Factor provides the industry’s most accurate assessment of end-user experience (QoE) ► All designed and supported by an organization you can count on! Understand Your Video Quality

17. PAGE 17© COPYRIGHT SYMMETRICOM (2003-2007) Thank You For Your Time … Andre Marais VP, International Sales amarais@symmetricom.com Phone: +1-408-428-7807 Symmetricom 2300 Orchard Parkway San Jose, California, 95131 United States of America www.symmetricom.com