Abstract: A remote operation system includes a server and a client. In the server, a video-audio data conversion-into-common-format section converts data in a format unique to application software into data in a common format. A video-audio distributing section outputs audio-accompanying video data and moving-picture area data from the data in the common format. A section, which processes the transmission of the data of audio-accompanying moving-picture, adds a synchronizing data to video data and audio data, thereby obtaining a data stream. A video-audio data converting section outputs data including the moving-picture area data, operation-related audio display data. A remote control section outputs this data and the data stream. The client controls the application software of the server in response to an operation related to the video and the audio obtained from those data.

Abstract: A portable information processing apparatus is capable of saving space, protecting its speakers, and preventing invasion of rain or dust when used outdoors, while maintaining stereo sound output of high quality. The portable information processing apparatus comprises a main body, a display unit incorporating a display panel, a rear casing of the display unit, and a speaker unit contained between the rear casing and display panel. The rear casing is provided with sound release holes.

Abstract: The invention presents a portable information processing apparatus capable of saving space, protecting the speaker, and preventing invasion of rain or dust when used outdoors, while maintaining stereo sound output of high quality. The portable information processing apparatus comprises a main body, a display unit incorporating a display panel, a rear casing of the display unit, and a speaker unit contained between the rear casing and display panel, in which the rear casing has sound release holes.

Abstract: A remote operation system includes a server and a client. In the server, a video-audio data conversion-into-common-format section converts data in a format unique to application software into data in a common format. A video-audio distributing section outputs audio-accompanying video data and moving-picture area data from the data in the common format. A section, which processes the transmission of the data of audio-accompanying moving-picture, adds a synchronizing data to video data and audio data, thereby obtaining a data stream. A video-audio data converting section outputs data including the moving-picture area data, operation-related audio display data. A remote control section outputs this data and the data stream. The client controls the application software of the server in response to an operation related to the video and the audio obtained from those data.