| 摘要 |
A server apparatus comprises: a compression and encoding unit that compresses and encodes screen information or image information downloaded from a Web serve on the Internet in response to an instruction from a mobile terminal; a packet transmission unit that stores an output signal from the compression and encoding unit into a packet and transmits the packet to the mobile terminal via a packet forwarding apparatus(es); and a video image quality measurement unit that measures video image quality by referring to an input signal to the compression and encoding unit, a signal decoded from the output signal of the compression and encoding unit, a transmission timing of the packets, and a timing at which the mobile terminal receives the packet. The server apparatus allows objective quality of a video image displayed on the mobile terminal to be measured by the server apparatus when the mobile terminal operates while communicating with the server apparatus via the packet forwarding apparatus(es) on the mobile network. |
