Patent ID: 7743141
Filing Date: 2010-06-22
Classification: H04L,H04N

Abstract:
1. A method comprising: determining a difference between a playback time of a playback of at least one media stream streamed to a client for playback and a scheduled playback time; comparing said difference between said playback time of said playback of said at least one media stream and said scheduled playback time to a pre-defined value; detecting a jitter event that is considered to occur when said comparing said difference between said playback time of said playback of said at least one media stream and said scheduled playback time to said pre-defined value yields that said difference is larger than said pre-defined value; determining a quality feedback value according to at least one quality metric related to said playback of said at least one media stream, said quality metric being a jitter-duration metric that is related to a duration of said detected jitter event; and reporting said quality feedback value to a server together with a timestamp that is equal to a play time of a first played frame during said jitter event relative to a starting time of a quality reporting period.