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This paper studies QoE (Quality of Experience) in Multi-View Video and Audio (MVV-A) transmission over IP networks where the users change the viewpoint by request. It jointly analyzes the effects of user interfaces for viewpoint change and contents in conjunction with network performance in a multidimensional way. In order to assess the QoE, the authors perform a subjective experiment which employs two user interfaces and two contents (a dog doll and a toy train). The assessors are instructed to follow the movement of the object in the content and evaluate the MVV-A system.
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