Technology originally developed by NTT Service Integration Laboratories to objectively estimate a user's Quality of Experience (QoE) in IP-based video delivery services has been adopted as an international standard (ITU-T Recommendation J.247). The technology enables the quality of video delivery services to be checked and monitored.NTT said previously existing technology cannot assess the effects of diverse coding systems and bit rates as used in video delivery services nor can it assess degraded video caused by packet loss characteristic of...