Tektronix, the market leader in broadcast video testing, monitoring and analysis solutions, has announced that it has added many new features to its award-winning Sentry® digital content monitoring solution. The release of Sentry 5.0 enables Sentry to perform in-depth monitoring of video streams at full line rate (1 Gbps per unit). Other video monitoring solutions on the market cannot compare with Sentry in terms of speed and monitoring depth. This capability enables video service providers to monitor hundreds of video streams on a single machine, which can reduce the number of devices required to fully monitor a large number of multi-channel programs.
Sentry 5.0 introduces the concept of eMOS or Perceptual Video Quality, which can help service providers solve the problem of content that has good QoE scores but is distorted due to excessive compression-this is in sports-intensive sports Very common in the program. In addition, the new version also includes GOP length statistics, RTP support, and new reason codes to help service providers quickly understand the source of the problem.
"Cable operators and other video service providers continue to add new real-time and on-demand services, which increases the complexity of their networks, which in turn increases the possibility of video and audio errors," said Eric Conley, vice president of Tektronix video network monitoring , "We are committed to adding new features and functions to the industry-leading Sentry product line to enable our customers to stay one step ahead of the competition and enable them to rapidly expand their service scope while ensuring a high-quality viewing experience."
Full line speed monitoring complements Sentry's QoE scoring capabilities with new reason codes and its new mean opinion score (eMOS) scoring function, and the recently introduced advanced distortion detection function. These indicators can be used to compare and track the quality and performance of audio and video programs throughout the video network, thereby helping to analyze the root cause of quality degradation and automatically distinguish between the priority of problems based on user impact. For example, Sentry can generate a video quality score on incoming feeds at the head-end location before multiplexing the program, which can provide a baseline score for each program. After the program is multiplexed, another Sentry can generate single-ended MOS and QoE scores for related channel programs to determine whether the video or audio quality is affected. This scoring process can be performed at all recommended monitoring points in the network to provide an overview of the status of each program.
About Sentry monitoring solutions
Sentry is a comprehensive content monitoring solution for cable TV, communications, IPTV and other video service providers. Sentry supports early detection, diagnosis and repair of video and audio errors (ie picture freezing, macro-blocking, audio loss, etc.)-no matter when it occurs or where on the network, service providers Able to provide services with excellent quality to ensure that users get the best quality of experience (QoE). Sentry achieves this through its unprecedented network abnormal visibility at the IP and MPEG layers, the scalability of monitoring all programs in the network, and its unique combination of functions that run in real time and around the clock (24/7). Sentry's performance has been fully verified in the deployment of global service providers, including nine of the top ten cable operators in the United States.
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