QoE & QoS Video Quality Monitors
Sentry - Tektronix, Inc.
Sentry® is a comprehensive video and audio quality monitoring solution for advanced video networks. It enables video service providers to deliver services with optimum quality while reducing operational expenditures. Sentry identifies anomalies in the network at the IP and MPEG layers as well as in Quality of Experience (QoE), identifying issues including frozen video, tiling/macroblocking and audio disruptions or audio-level issues, which represent the bulk of trouble calls from subscribers.