Patent ID: 11889148
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. A non-transitory computer readable medium storing one or more instructions configured to cause a computer to execute:
an acquisition procedure of acquiring, for each of measurement sections after an instruction of a start of a view of an video delivered through a network, any of a parameter related to a coding quality of the video in the measurement section and a parameter related to a viewing state of the video in the measurement section, wherein the acquisition procedure comprises acquiring an initial loading delay; and
an estimation procedure of calculating an estimation value of an index for evaluation of engagement for each of the measurement sections based on a parameter acquired by the acquiring in the measurement section, wherein the estimation procedure comprises calculating the estimation value based on a mathematical model with a property that a number of exited viewers increases as the initial loading delay increases.