Server apparatus, video image quality measurement system, video image quality measurement method and program

A server apparatus, connected to a mobile terminal via a packet forwarding apparatus(es) on a mobile network, the server apparatus comprising:

• a compression and encoding unit that compresses and encodes screen information or image information, downloaded from a Web server on the Internet in response to an instruction from the 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 the 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 packet, and a timing at which the mobile terminal receives the packet.