Multi-media server for treating multi-media information and communication system empolying the multi-media server

In a communication system including a plurality of user communication terminals each having input/output (I/O) means for providing multi-media information containing video, voice and text information, and a multi-media server for storing or editing the multi-media information sent from each user communication terminal in response to information included in the multi-media information, said information being inputted by the user of said user communication terminal, and a communication network connecting said plurality of user communication terminals and said multi-media server for transmitting a transmission frame containing the multi-media information between said user communication terminals and said multi-media server, said multi-media server comprising:

• an interface connected to said communication network for controlling a send/receive operation of a transmission frame including multi-media information;
• information processing means for editing said multi-media information in accordance with the content of a header of said transmission frame;
• memory means for recording said edited multi-media information;
• a second memory means for recording attribute information of said each user communication terminal;
• decoding means for decoding the multi-media information contained in the transmission frame received from said communication network through said interface and decoding said information in accordance with said attribute information;
• coding means for coding processed multi-media information from said information processing means in accordance with the content of a header of said transmission frame;
• and
• control means for controlling said decoding means and coding means to edit each kind of said multi-media information in accordance with the content of the header of said transmission frame;
• wherein said user communication terminal includes:
• means for adding at least an identifier indicating said multi-media server, an identifier indicating said communication terminal, an identifier indicating the kind of the multi-media information included in said transmission frame, and an identifier indicating the kind of the processing to be done for said multi-media information, and
• wherein said control means of said multi-media server registers the correspondence between the identifier of each communication terminal and the identifier indicating the kind of said multi-media information as said attribute information or updates said attribute information when said control portion receives said transmission frame from said communication terminal.

In a communication system including a plurality of user communication terminals each having input/output (I/O) means for providing multi-media information containing video, voice and text information, and a multi-media server for storing or editing the multi-media information sent from each user communication terminal in response to information included in the multi-media information, said information being inputted by the user of said user communication terminal, and a communication network connecting said plurality of user communication terminals and said multi-media server for transmitting a transmission frame containing the multi-media information between said user communication terminals and said multi-media server, said multi-media server comprising:

• an interface connected to said communication network for controlling a send/receive operation of a transmission frame including multi-media information;
• information processing means for editing said multi-media information in accordance with the content of a header of said transmission frame;
• memory means for recording said edited multi-media information;
• a second memory means for recording attribute information of said each user communication terminal;
• decoding means for decoding the multi-media information contained in the transmission frame received from said communication network through said interface and decoding said information in accordance with said attribute information;
• coding means for coding processed multi-media information from said information processing means in accordance with the content of a header of said transmission frame;
• and
• control means for controlling said decoding means and coding means to edit each kind of said multi-media information in accordance with the content of the header of said transmission frame;
• wherein said interface includes:
• a protocol processing means connected to said communication network and for performing error control of the transmission frame transmitted from said communication terminal, and a switch circuit for selectively transmitting the information read from said protocol processing section or said second memory means to said decoding means or protocol processing means,
• wherein said control means serves to switch said switch circuit in accordance with the content of the header of said transmission frame.

In a communication system including a plurality of user communication terminals each having input/output (I/O) means for providing multi-media information containing video, voice and text information, and a multi-media server for storing or editing the multi-media information sent from each user communication terminal in response to information included in the multi-media information, said information being inputted by the user of said user communication terminal, and a communication network connecting said plurality of user communication terminals and said multi-media server for transmitting a transmission frame containing the multi-media information between said user communication terminals and said multi-media server, said multi-media server comprising:

• an interface connected to said communication network for controlling a send/receive operation of a transmission frame including multi-media information;
• information processing means for editing said multi-media information in accordance with the content of a header of said transmission frame;
• memory means for recording said edited multi-media information;
• a second memory means for recording attribute information of said each user communication terminal;
• decoding means for decoding the multi-media information contained in the transmission frame received from said communication network through said interface and decoding said information in accordance with said attribute information;
• coding means for coding processed multi-media information from said information processing means in accordance with the content of a header of said transmission frame;
• and
• control means for controlling said decoding means and coding means to edit each kind of said multi-media information in accordance with the content of the header of said transmission frame;
• wherein said information processing means includes a function of processing said multi-media information at a processing speed corresponding to the content of the header of said transmission frame.

In a communication system including a plurality of user communication terminals each having input/output (I/O) means for providing multi-media information containing video, voice and text information, and a multi-media server for storing or editing the multi-media information sent from each user communication terminal in response to information included in the multi-media information, said information being inputted by the user of said user communication terminal, and a communication network connecting said plurality of user communication terminals and said multi-media server for transmitting a transmission frame containing the multi-media information between said user communication terminals and said multi-media server, said multi-media server comprising:

• an interface connected to said communication network for controlling a send/receive operation of a transmission frame including multi-media information;
• information processing means for editing said multi-media information in accordance with the content of a header of said transmission frame;
• and
• memory means for recording said edited multi-media information;
• wherein said memory means includes:
• recording media, and
• at least first and second I/O means for reading data from said recording media or writing data to said recording media,
• wherein said first I/O means serves to position said second I/O means on said recording media while said first I/O means is reading data from said recording media or writing data to said recording media and said second I/O means serves to position said first I/O means on said recording media while said second I/O means is reading data from said recording media or writing data to said recording media.

In a communication system including a plurality of user communication terminals each having input/output (I/O) means for providing multi-media information containing video, voice and text information, and a multi-media server for storing or editing the multi-media information sent from each user communication terminal in response to information included in the multi-media information, said information being inputted by the user of said user communication terminal, and a communication network connecting said plurality of user communication terminals and said multi-media server for transmitting a transmission frame containing the multi-media information between said user communication terminals and said multi-media server, said multi-media server comprising:

• an interface connected to said communication network for controlling a send/receive operation of a transmission frame including multi-media information;
• information processing means for editing said multi-media information in accordance with the content of a header of said transmission frame;
• memory means for recording said edited multi-media information;
• a second memory means for recording attribute information of said each user communication terminal;
• decoding means for decoding the multi-media information contained in the transmission frame received from said communication network through said interface and decoding said information in accordance with said attribute information;
• coding means for coding processed multi-media information from said information processing means in accordance with the content of a header of said transmission frame;
• and
• control means for controlling said decoding means and coding means to edit each kind of said multi-media information in accordance with the content of the header of said transmission frame;
• wherein said user terminal includes a terminal memory for recording a directory of said multi-media information transmitted to said multi-media server and serves to specify the processing of said multi-media information by referring to said directory.

In a communication system including a plurality of user communication terminals each having input/output (I/O) means for providing multi-media information containing video, voice and text information, and a multi-media server for storing or editing the multi-media information sent from each user communication terminal in response to information included in the multi-media information, said information being inputted by the user of said user communication terminal, and a communication network connecting said plurality of user communication terminals and said multi-media server for transmitting a transmission frame containing the multi-media information between said user communication terminals and said multi-media server, said multi-media server comprising:

• an interface connected to said communication network for controlling a send/receive operation of a transmission frame including multi-media information;
• information processing means for editing said multi-media information in accordance with the content of a header of said transmission frame;
• memory means for recording said edited multi-media information;
• a second memory means for recording attribute information of said each user communication terminal;
• decoding means for decoding the multi-media information contained in the transmission frame received from said communication network through said interface and decoding said information in accordance with said attribute information;
• coding meads for coding processed multi-media information from said information processing means in accordance with the content of a header of said transmission frame;
• and
• control means for controlling said decoding means and coding means to edit each kind of said multi-media information in accordance with the content of the header of said transmission frame;
• wherein said user terminal provides a receive buffer having a predetermined volume and stores the multi-media information received from said multi-media server in said receive buffer and sequentially decodes the multi-media information.

A communication system comprising:

• a plurality of user communication terminals each having input/output (I/O) means for providing multi-media information containing video, voice and text information;
• a multi-media server for storing or editing the multi-media information sent from each user communication terminal in response to information included in the multi-media information, said information being inputted by the user of said user communication terminal;
• and
• a communication network connecting said plurality of user communication terminals and said multi-media server for transmitting a transmission frame containing the multi-media information between said user communication terminals and said multi-media server,
• said multi-media server includes:
• an interface connected to said communication network for controlling a send/receive operation of a transmission frame including multi-media information,
• information processing means for editing said multi-media information in accordance with the content of a header of said transmission frame,
• memory means for recording said edited multi-media information,
• a second memory means for recording attribute information of said each user communication terminal,
• decoding means for decoding the multi-media information contained in the transmission frame received from said communication network through said interface and decoding said information in accordance with said attribute information,
• coding means for coding processed multi-media information from said information processing means in accordance with the content of a header of said transmission frame, and
• control means for controlling said decoding means and coding means to edit each kind of said multi-media information in accordance with the content of the header of said transmission frame.

A communication system comprising:

• a plurality of user communication terminals each having input/output (I/O) means for providing multi-media information containing video, voice and text information;
• a multi-media server for storing or editing the multi-media information sent from each user communication terminal in response to information included in the multi-media information, said information being inputted by the user of said user communication terminal;
• and
• a communication network connecting said plurality of user communication terminals and said multi-media server for transmitting a transmission frame containing the multi-media information between said user communication terminals and said multi-media server,
• said multi-media server includes:
• an interface connected to said communication network for controlling a send/receive operation of a transmission frame including multi-media information,
• information processing means for editing said multi-media information in accordance with the content of a header of said transmission frame,
• memory means for recording said edited multi-media information,
• a second memory means for recording attribute information of said each user communication terminal,
• decoding means for decoding the multi-media information contained in the transmission frame received from said communication network through said interface and decoding said information in accordance with said attribute information,
• coding means for coding processed multi-media information from said information processing means in accordance with the content of a header of said transmission frame, and
• control means for controlling said decoding means and coding means to edit each kind of said multi-media information in accordance with the content of the header of said transmission frame,
• wherein each user terminal includes a synchronizing unit for integrating time-series data outputted from a plurality of output equipments and outputting said integrated data, said synchronizing unit including a plurality of buffer units for controlling output of the information in said output equipment and compressing, retaining, or expanding the information sent from said output equipments and a controller for controlling said output equipments through said buffer units and controlling said buffer units for synchronizing the information sent from said output equipments.