WO2008051010A1 - Method and system for providing multilateral, full duplex audio communication service - Google Patents

Method and system for providing multilateral, full duplex audio communication service Download PDF

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Publication number
WO2008051010A1
WO2008051010A1 PCT/KR2007/005230 KR2007005230W WO2008051010A1 WO 2008051010 A1 WO2008051010 A1 WO 2008051010A1 KR 2007005230 W KR2007005230 W KR 2007005230W WO 2008051010 A1 WO2008051010 A1 WO 2008051010A1
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WO
WIPO (PCT)
Prior art keywords
client
information
communication group
communication service
providing server
Prior art date
Application number
PCT/KR2007/005230
Other languages
French (fr)
Inventor
Min-Seok Lee
Hyun Jin Choi
Original Assignee
Huliv Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huliv Co., Ltd. filed Critical Huliv Co., Ltd.
Publication of WO2008051010A1 publication Critical patent/WO2008051010A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/403—Arrangements for multi-party communication, e.g. for conferences
    • H04L65/4038—Arrangements for multi-party communication, e.g. for conferences with floor control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

Definitions

  • the present invention relates to a method and system for providing an audio communication service, and more particularly, to a method and system for providing a bidirectional audio communication service among a large number of clients in real time.
  • FIG. 1 is a diagram illustrating a configuration of a plurality of clients connecting to a web server in a conventional art. Referring to FIG. 1, the plurality of clients simultaneously connects to a single server.
  • Chatting is generally performed by simply using a keyboard among the plurality of clients.
  • the method where a keyboard is used for chatting may be inconvenient.
  • a text message transmission method among a large number of members joining a multi- player game, auction system, academic conference, and the like may cause a serious inconvenience.
  • the present invention provides a method and system for providing an audio communication service among a large number of clients in real time which may control a codec for speaking and listening functionality in a client in an audio communication service providing server.
  • the present invention also provides a method and system for providing an audio communication service which controls a client application of a client in an audio communication service providing server through the client application installed in the client, and thereby may selectively provide an audio communication service.
  • a method of providing an audio communication service among a large number of clients in real time in an audio communication service providing server including: maintaining a permission information database storing client permission information with respect to the large number of clients; receiving first client information or communication group formation request information from a first client connecting to a predetermined web server, forming a communication group corresponding to the communication group formation request information, and transmitting communication group information of the formed communication group to the web server; updating first client permission information by referring to the first client information and first client permission information extracted from the permission information database; and transmitting a client application to the first client, wherein the client application is installed in the first client and controls a codec signal of the first client based on the first client permission information.
  • an audio communication service providing server including: a permission information database storing client permission information with respect to a large number of clients; a transceiving module receiving client information, communication group formation request information, and communication group joining request information from the large number of clients, and transmitting communication group information with respect to a communication group corresponding to the communication group formation request information and a client application to the large number of clients; and a control module forming a communication group corresponding to the communication group formation request information, extracting the client information and client permission information from the permission information database, and updating the client permission information, stored in the permission information database, by referring to the extracted client information and client permission information, wherein the client application is installed in the client and controls a codec signal of the client based on the client permission information.
  • FIG. 1 is a diagram illustrating a configuration of a plurality of clients connecting to a web server in a conventional art
  • FIG. 2 is a block diagram illustrating a configuration of an audio communication service providing server providing an audio communication service according to an exemplary embodiment of the present invention
  • FIG. 3 is a block diagram illustrating a configuration of a client application installed in a client according to an exemplary embodiment of the present invention
  • FIG. 4 is a flowchart illustrating a method of providing an audio communication service among a large number of clients in real time according to an exemplary embodiment of the present invention.
  • FIG. 5 is a flowchart illustrating an operation of controlling a listening or speaking function of a client based on an interoperation between a client application and an audio communication service providing server according to an exemplary embodiment of the present invention.
  • FIG. 2 is a block diagram illustrating a configuration of an audio communication service providing server providing an audio communication service according to an exemplary embodiment of the present invention.
  • a voice call among a plurality of connected clients may be useful depending on contents provided by the audio communication service providing server. For example, a voice call service among a large number of members having joined a multi-player game, auction system, academic conference, and the like may be effective.
  • a voice call system among a plurality of clients on the Internet is already embodied by a peer to peer (P2P) communication method.
  • P2P peer to peer
  • clients directly communicate with each other without passing a server while the clients share an
  • the audio communication service providing server 200 includes a permission information database 210, a transceiving module 220, and a control module 230.
  • the permission information database 210 stores client permission information with respect to a large number of clients.
  • the client permission information includes access information with respect to a codec signal.
  • the codec signal includes assignment information of an audio signal received in the large number of clients or an audio signal outputted from the large number of clients.
  • the client permission information may be information about a permission assignment with respect to a speaking/listening of the large number of clients.
  • the transceiving module 220 receives client information, communication group formation request information, and communication group joining request information from the large number of clients. Also, the transceiving module 220 transmits communication group information with respect to a communication group corresponding to the communication group formation request information and a client application to the large number of clients.
  • the control module 230 forms the communication group corresponding to the communication group formation request information, and extracts the client information and client permission information from the permission information database 210. Also, the control module 230 updates the client permission information, stored in the permission information database 210, using the extracted client information and client permission information.
  • the transceiving module 220 receives the communication group formation request information and the client information from the large number of clients.
  • the communication group formation request information includes channel information about the communication group which the large number of clients desire to generate, and a password required for forming and joining the communication group.
  • the client information includes a client identification (ID) and a client IP address of each of the large number of clients.
  • the transceiving module 220 receives the communication group joining request information from a client that desires to join the communication group.
  • the communication group joining request information includes the channel information and a password of the communication group.
  • the channel information is in the audio communication service providing server 200 to which the communication group belongs.
  • the control module 230 When the communication group password required for forming and joining matches, the control module 230 generates the communication group corresponding to the communication group formation request information, and the transceiving module 220 transmits the client application to the large number of clients.
  • the client application is installed in each of the large number of clients, and controls a codec signal of each of the large number of clients based on the client permission information. That is, a speaking/listening function of each of the large number of clients is controlled.
  • FIG. 3 is a block diagram illustrating a configuration of a client application installed in a client according to an exemplary embodiment of the present invention.
  • the client application 300 includes a codec control module 310, a transceiving module 320, and an event control module 330.
  • the codec control module 310 controls an access to a codec signal.
  • the codec signal includes assignment information of an audio signal received in the client or an audio signal outputted from the client. Specifically, the access to the codec signal is controlled according to client permission information.
  • the client permission information includes access information about the codec signal stored in the permission information database 210 of the audio communication service providing server 200.
  • the transceiving module 320 transceives information associated with the audio communication service providing server 200 and the client.
  • the transceiving module 320 transceives information associated with the audio communication service providing server 200 and the client.
  • the transceiving module 320 transmits client information, communication group formation request information, and communication group joining request information to the audio communication service providing server 200. Also, the transceiving module 320 receives updated client permission information from the audio communication service providing server 200.
  • the event control module 330 controls an event signal which forms a communication group or an event signal which indicates a request to join the communication group. Specifically, the event control module 330 generates an event which sets up the communication group (chat room), or an event which indicates a request to join the communication group, and controls the events within a range of service provided by the audio communication service providing server 200.
  • the client application 300 is installed in the client and controls the codec signal of the client based on the client permission information stored in the audio communication service providing server 200.
  • the client permission information includes the access information about the codec signal, and the codec signal includes assignment information of an audio signal received in the client or an audio signal outputted from the client.
  • the audio communication service providing server 200 may control a speaking/listening function of the client based on the client permission information via the client application 300, and manage an audio communication service.
  • FIG. 4 is a flowchart illustrating a method of providing an audio communication service among a large number of clients in real time according to an exemplary embodiment of the present invention.
  • the audio communication service providing server 200 maintains a permission information database storing client permission information with respect to the large number of clients.
  • the client permission information includes access information with respect to a codec signal, and is information associated with a permission assignment which may control a speaking/listening function of the large number of clients.
  • a first client transmits first client information or communication group formation request information to the audio communication service providing server 200.
  • the first client connects to a predetermined web server and requests to form a communication group in the audio communication service providing server 200.
  • the first client information includes a first client ID and a first client IP address. That is, the first client information is basic information about a client having administrative authority which is required to form the communication group.
  • the communication group formation request information includes channel information in the audio communication service providing server 200 to which the communication group belongs and a password of the communication group.
  • the audio communication service providing server 200 receives the first client information or the communication group formation request information.
  • the audio communication service providing server 200 forms a communication group corresponding to the communication group formation request information.
  • the audio communication service providing server 200 transmits communication group information of the formed communication group to the web server. Accordingly, the large number of clients connected to the web server determines whether to request to join the communication group by referring to the communication group information.
  • the audio communication service providing server 200 updates first client permission information by referring to the first client information and first client permission information extracted from the permission information database 210.
  • the first client permission information includes access information with respect to the codec signal, and is updated considering an initial qualification of a client joining the audio communication service providing server 200 or considering a qualification change due to a permission change after joining.
  • the permission change refers to a case when an additional change of a permission, and the like is generated, after the first client joins the service. Specifically, the permission change is generated when a client that initially has no permission with respect to a particular paid function, such as a speaking function, is given permission with respect to the function, for example, after paying for the speaking function.
  • the audio communication service providing server 200 transmits a client application to the first client.
  • the first client receives the client application, and the client application is installed in the first client and controls a codec signal of the first client based on the first client permission information.
  • the client application includes a codec control module, a transceiving module, and an event control module.
  • the codec control module controls an access to the codec signal.
  • the transceiving module transmits the first client information, the second client information, the communication group formation request information, or the communication group joining request information, and receives the updated client permission information from the audio communication service providing server 200.
  • the event control module controls an event signal which forms the communication group or an event signal which indicates a request to join the communication group.
  • the second client that desires to join the formed communication group transmits second client information and communication group joining request information with respect to the communication group to the audio communication service providing server 200.
  • the audio communication service providing server 200 receives the second client information and the communication group joining request information with respect to the communication group.
  • the communication group joining request information includes channel information in the audio communication service providing server 200 to which the communication group belongs, and a password of the communication group.
  • the second client may join the communication group.
  • the second client may receive invitation request information with respect to the communication group from the first client. That is, the second client receives an invitation request from the first client and may join the communication group.
  • the audio communication service providing server 200 updates the second client permission information by referring to the second client information and second client permission information extracted from the permission information database.
  • the second client permission information includes access information with respect to a codec signal, and is updated by considering an initial qualification of a client joining the audio communication service providing server 200 or considering a qualification change due to a permission change after joining.
  • the permission change refers to a case when an additional change of a permission, and the like is generated, after the second client joins the service. Specifically, the permission change is generated when a client that initially has no permission with respect to a paid particular function such as a speaking function is given permission with respect to the function, for example, after paying for the speaking function.
  • the audio communication service providing server 200 transmits the client application to the second client.
  • the second client receives the client application, and the client application is installed in the second client and controls a codec signal of the second client based on the second client permission information.
  • FIG. 5 is a flowchart illustrating an operation of controlling a listening or speaking function of a client based on an interoperation between a client application and an audio communication service providing server according to an exemplary embodiment of the present invention.
  • a client in operation 500, a client generates an event such as setting up a chat room (communication group generation), joining the chat room (communication group joining), or chatting, via an event control module 330 of the client application 300 installed in the client.
  • the client application 300 transmits an event signal such as the generated chat room setting, chat room joining, or chatting to the audio communication service providing server 200 via the transceiving module 320.
  • the audio communication service providing server 200 determines a qualification based on client permission information stored in a permission information database.
  • the qualification is related to a qualification with respect to speaking or listening.
  • the client permission information corresponding to the qualification is changed according to a qualification acquisition, and is updated.
  • the audio communication service providing server 200 transmits the client permission information to the client.
  • the codec control module 310 controls a speaking or listening function based on the client permission information.
  • the speaking or hearing function of the client may be controlled in the audio communication service providing server 200 through operations described above. Also, various qualifications may be set according to the client permission information. Accordingly, a audio communication service may be managed by controlling a function, for example, controlling the speaking or listening function, depending on a payment of the client.
  • a client includes a predetermined communication module such as, a Code Division Multiplexing Access (CDMA) module, a Bluetooth module, an infrared data association (IrDA) module, and a wired/wireless local area network (LAN) card, such as those included in a personal computer, a personal digital assistant (PDA), a smart phone, a handheld personal computer (PC), and a mobile phone.
  • a predetermined communication module such as, a Code Division Multiplexing Access (CDMA) module, a Bluetooth module, an infrared data association (IrDA) module, and a wired/wireless local area network (LAN) card, such as those included in a personal computer, a personal digital assistant (PDA), a smart phone, a handheld personal computer (PC), and a mobile phone.
  • CDMA Code Division Multiplexing Access
  • IrDA infrared data association
  • LAN local area network
  • the client is a general concept of a terminal that has a predetermined operational ability by being equipped with a predetermined
  • the above-described embodiment of the present invention may be recorded in computer-readable media including program instructions to implement various operations embodied by a computer.
  • the media may also include, alone or in combination with the program instructions, data files, data structures, and the like.
  • the media and program instructions may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts.
  • Examples of computer-readable media include magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CD ROM disks and DVD; magneto-optical media such as optical disks; and hardware devices that are specially configured to store and perform program instructions, such as read-only memory (ROM), random access memory (RAM), flash memory, and the like.
  • program instructions include both machine code, such as produced by a compiler, and files containing higher level code that may be executed by the computer using an interpreter.
  • the described hardware devices may be configured to act as one or more software modules in order to perform the operations of the above-described embodiments of the present invention.
  • a method and system for providing an audio communication service among a large number of clients in real time may control a codec for speaking and listening functionality in a client in an audio communication service providing server.
  • a method and system for providing an audio communication service controls a client application of a client in an audio communication service providing server through the client application installed in the client, and thereby may selectively provide an audio communication service.

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Abstract

The present invention relates to a method and system for providing an audio communication service, and more particularly, to a method and system for providing a bidirectional audio communication service among a large number of clients in real time. According to the present invention, the method and system for providing an audio communication service among a large number of clients in real time may control a codec for speaking and listening functionality of a client in an audio communication service providing server.

Description

METHOD AND SYSTEM FOR PROVIDING MULTILATERAL, FULL DUPLEXAUDIO COMMUNICATION SERVICE
Technical Field The present invention relates to a method and system for providing an audio communication service, and more particularly, to a method and system for providing a bidirectional audio communication service among a large number of clients in real time.
Background Art Generally, chatting via a communication network and the Internet is made on a communication emulator or web browser. A major method for such chatting is that a few people join and carry on a conversation in a virtual space.
FIG. 1 is a diagram illustrating a configuration of a plurality of clients connecting to a web server in a conventional art. Referring to FIG. 1, the plurality of clients simultaneously connects to a single server.
Chatting is generally performed by simply using a keyboard among the plurality of clients. However, depending on contents provided by the server, the method where a keyboard is used for chatting may be inconvenient. For example, a text message transmission method among a large number of members joining a multi- player game, auction system, academic conference, and the like may cause a serious inconvenience.
Disclosure of Invention Technical Goals
The present invention provides a method and system for providing an audio communication service among a large number of clients in real time which may control a codec for speaking and listening functionality in a client in an audio communication service providing server. The present invention also provides a method and system for providing an audio communication service which controls a client application of a client in an audio communication service providing server through the client application installed in the client, and thereby may selectively provide an audio communication service.
Technical solutions
According to an aspect of the present invention, there is provided a method of providing an audio communication service among a large number of clients in real time in an audio communication service providing server, the method including: maintaining a permission information database storing client permission information with respect to the large number of clients; receiving first client information or communication group formation request information from a first client connecting to a predetermined web server, forming a communication group corresponding to the communication group formation request information, and transmitting communication group information of the formed communication group to the web server; updating first client permission information by referring to the first client information and first client permission information extracted from the permission information database; and transmitting a client application to the first client, wherein the client application is installed in the first client and controls a codec signal of the first client based on the first client permission information.
According to another aspect of the present invention, there is provided an audio communication service providing server, including: a permission information database storing client permission information with respect to a large number of clients; a transceiving module receiving client information, communication group formation request information, and communication group joining request information from the large number of clients, and transmitting communication group information with respect to a communication group corresponding to the communication group formation request information and a client application to the large number of clients; and a control module forming a communication group corresponding to the communication group formation request information, extracting the client information and client permission information from the permission information database, and updating the client permission information, stored in the permission information database, by referring to the extracted client information and client permission information, wherein the client application is installed in the client and controls a codec signal of the client based on the client permission information. Brief Description of Drawings
FIG. 1 is a diagram illustrating a configuration of a plurality of clients connecting to a web server in a conventional art; FIG. 2 is a block diagram illustrating a configuration of an audio communication service providing server providing an audio communication service according to an exemplary embodiment of the present invention;
FIG. 3 is a block diagram illustrating a configuration of a client application installed in a client according to an exemplary embodiment of the present invention; FIG. 4 is a flowchart illustrating a method of providing an audio communication service among a large number of clients in real time according to an exemplary embodiment of the present invention; and
FIG. 5 is a flowchart illustrating an operation of controlling a listening or speaking function of a client based on an interoperation between a client application and an audio communication service providing server according to an exemplary embodiment of the present invention.
Best Mode for Carrying Out the Invention
Hereinafter, embodiments of the present invention are described in detail by referring to the figures. However, the present invention is not limited to the embodiments of the present invention.
FIG. 2 is a block diagram illustrating a configuration of an audio communication service providing server providing an audio communication service according to an exemplary embodiment of the present invention. A voice call among a plurality of connected clients may be useful depending on contents provided by the audio communication service providing server. For example, a voice call service among a large number of members having joined a multi-player game, auction system, academic conference, and the like may be effective.
A voice call system among a plurality of clients on the Internet is already embodied by a peer to peer (P2P) communication method. In P2P, clients directly communicate with each other without passing a server while the clients share an
Internet Protocol (IP) address, and the like. Referring to FIG. 2, the audio communication service providing server 200 includes a permission information database 210, a transceiving module 220, and a control module 230.
The permission information database 210 stores client permission information with respect to a large number of clients. The client permission information includes access information with respect to a codec signal. The codec signal includes assignment information of an audio signal received in the large number of clients or an audio signal outputted from the large number of clients. Specifically, the client permission information may be information about a permission assignment with respect to a speaking/listening of the large number of clients.
The transceiving module 220 receives client information, communication group formation request information, and communication group joining request information from the large number of clients. Also, the transceiving module 220 transmits communication group information with respect to a communication group corresponding to the communication group formation request information and a client application to the large number of clients. The control module 230 forms the communication group corresponding to the communication group formation request information, and extracts the client information and client permission information from the permission information database 210. Also, the control module 230 updates the client permission information, stored in the permission information database 210, using the extracted client information and client permission information.
Specifically, the transceiving module 220 receives the communication group formation request information and the client information from the large number of clients. The communication group formation request information includes channel information about the communication group which the large number of clients desire to generate, and a password required for forming and joining the communication group. The client information includes a client identification (ID) and a client IP address of each of the large number of clients. Also, the transceiving module 220 receives the communication group joining request information from a client that desires to join the communication group. The communication group joining request information includes the channel information and a password of the communication group. The channel information is in the audio communication service providing server 200 to which the communication group belongs.
When the communication group password required for forming and joining matches, the control module 230 generates the communication group corresponding to the communication group formation request information, and the transceiving module 220 transmits the client application to the large number of clients. The client application is installed in each of the large number of clients, and controls a codec signal of each of the large number of clients based on the client permission information. That is, a speaking/listening function of each of the large number of clients is controlled.
FIG. 3 is a block diagram illustrating a configuration of a client application installed in a client according to an exemplary embodiment of the present invention.
Referring to FIG. 3, the client application 300 includes a codec control module 310, a transceiving module 320, and an event control module 330.
The codec control module 310 controls an access to a codec signal. The codec signal includes assignment information of an audio signal received in the client or an audio signal outputted from the client. Specifically, the access to the codec signal is controlled according to client permission information. The client permission information includes access information about the codec signal stored in the permission information database 210 of the audio communication service providing server 200.
The transceiving module 320 transceives information associated with the audio communication service providing server 200 and the client. The transceiving module
320 transmits client information, communication group formation request information, and communication group joining request information to the audio communication service providing server 200. Also, the transceiving module 320 receives updated client permission information from the audio communication service providing server 200.
The event control module 330 controls an event signal which forms a communication group or an event signal which indicates a request to join the communication group. Specifically, the event control module 330 generates an event which sets up the communication group (chat room), or an event which indicates a request to join the communication group, and controls the events within a range of service provided by the audio communication service providing server 200.
The client application 300 is installed in the client and controls the codec signal of the client based on the client permission information stored in the audio communication service providing server 200. The client permission information includes the access information about the codec signal, and the codec signal includes assignment information of an audio signal received in the client or an audio signal outputted from the client.
The audio communication service providing server 200 may control a speaking/listening function of the client based on the client permission information via the client application 300, and manage an audio communication service.
FIG. 4 is a flowchart illustrating a method of providing an audio communication service among a large number of clients in real time according to an exemplary embodiment of the present invention.
Referring to FIG. 4, in operation 400, the audio communication service providing server 200 maintains a permission information database storing client permission information with respect to the large number of clients. The client permission information includes access information with respect to a codec signal, and is information associated with a permission assignment which may control a speaking/listening function of the large number of clients.
In operation 401, a first client transmits first client information or communication group formation request information to the audio communication service providing server 200. In this instance, the first client connects to a predetermined web server and requests to form a communication group in the audio communication service providing server 200. The first client information includes a first client ID and a first client IP address. That is, the first client information is basic information about a client having administrative authority which is required to form the communication group. Also, the communication group formation request information includes channel information in the audio communication service providing server 200 to which the communication group belongs and a password of the communication group.
In operation 402, the audio communication service providing server 200 receives the first client information or the communication group formation request information. In operation 403, the audio communication service providing server 200 forms a communication group corresponding to the communication group formation request information. In operation 404, the audio communication service providing server 200 transmits communication group information of the formed communication group to the web server. Accordingly, the large number of clients connected to the web server determines whether to request to join the communication group by referring to the communication group information. In operation 405, the audio communication service providing server 200 updates first client permission information by referring to the first client information and first client permission information extracted from the permission information database 210. The first client permission information includes access information with respect to the codec signal, and is updated considering an initial qualification of a client joining the audio communication service providing server 200 or considering a qualification change due to a permission change after joining. The permission change refers to a case when an additional change of a permission, and the like is generated, after the first client joins the service. Specifically, the permission change is generated when a client that initially has no permission with respect to a particular paid function, such as a speaking function, is given permission with respect to the function, for example, after paying for the speaking function.
In operation 406, the audio communication service providing server 200 transmits a client application to the first client. In operation 407, the first client receives the client application, and the client application is installed in the first client and controls a codec signal of the first client based on the first client permission information.
The client application includes a codec control module, a transceiving module, and an event control module. The codec control module controls an access to the codec signal. The transceiving module transmits the first client information, the second client information, the communication group formation request information, or the communication group joining request information, and receives the updated client permission information from the audio communication service providing server 200. The event control module controls an event signal which forms the communication group or an event signal which indicates a request to join the communication group. In operation 408, the second client that desires to join the formed communication group transmits second client information and communication group joining request information with respect to the communication group to the audio communication service providing server 200. In operation 409, the audio communication service providing server 200 receives the second client information and the communication group joining request information with respect to the communication group. The communication group joining request information includes channel information in the audio communication service providing server 200 to which the communication group belongs, and a password of the communication group. When the information transmitted by the second client is the same as the communication group, the second client may join the communication group. Also, the second client may receive invitation request information with respect to the communication group from the first client. That is, the second client receives an invitation request from the first client and may join the communication group.
In operation 410, the audio communication service providing server 200 updates the second client permission information by referring to the second client information and second client permission information extracted from the permission information database. The second client permission information includes access information with respect to a codec signal, and is updated by considering an initial qualification of a client joining the audio communication service providing server 200 or considering a qualification change due to a permission change after joining. The permission change refers to a case when an additional change of a permission, and the like is generated, after the second client joins the service. Specifically, the permission change is generated when a client that initially has no permission with respect to a paid particular function such as a speaking function is given permission with respect to the function, for example, after paying for the speaking function.
In operation 411, the audio communication service providing server 200 transmits the client application to the second client. In operation 412, the second client receives the client application, and the client application is installed in the second client and controls a codec signal of the second client based on the second client permission information.
FIG. 5 is a flowchart illustrating an operation of controlling a listening or speaking function of a client based on an interoperation between a client application and an audio communication service providing server according to an exemplary embodiment of the present invention. Referring to FIG. 5, in operation 500, a client generates an event such as setting up a chat room (communication group generation), joining the chat room (communication group joining), or chatting, via an event control module 330 of the client application 300 installed in the client. In operation 510, the client application 300 transmits an event signal such as the generated chat room setting, chat room joining, or chatting to the audio communication service providing server 200 via the transceiving module 320.
In operation 520, the audio communication service providing server 200 determines a qualification based on client permission information stored in a permission information database. The qualification is related to a qualification with respect to speaking or listening. The client permission information corresponding to the qualification is changed according to a qualification acquisition, and is updated.
In operation 530, the audio communication service providing server 200 transmits the client permission information to the client. In operation 540, the codec control module 310 controls a speaking or listening function based on the client permission information.
The speaking or hearing function of the client may be controlled in the audio communication service providing server 200 through operations described above. Also, various qualifications may be set according to the client permission information. Accordingly, a audio communication service may be managed by controlling a function, for example, controlling the speaking or listening function, depending on a payment of the client.
A client according to the present invention includes a predetermined communication module such as, a Code Division Multiplexing Access (CDMA) module, a Bluetooth module, an infrared data association (IrDA) module, and a wired/wireless local area network (LAN) card, such as those included in a personal computer, a personal digital assistant (PDA), a smart phone, a handheld personal computer (PC), and a mobile phone. Also, the client is a general concept of a terminal that has a predetermined operational ability by being equipped with a predetermined microprocessor.
The above-described embodiment of the present invention may be recorded in computer-readable media including program instructions to implement various operations embodied by a computer. The media may also include, alone or in combination with the program instructions, data files, data structures, and the like. The media and program instructions may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable media include magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CD ROM disks and DVD; magneto-optical media such as optical disks; and hardware devices that are specially configured to store and perform program instructions, such as read-only memory (ROM), random access memory (RAM), flash memory, and the like. Examples of program instructions include both machine code, such as produced by a compiler, and files containing higher level code that may be executed by the computer using an interpreter. The described hardware devices may be configured to act as one or more software modules in order to perform the operations of the above-described embodiments of the present invention. Although a few embodiments of the present invention have been shown and described, the present invention is not limited to the described embodiments. Instead, it would be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Industrial Applicability
According to the present invention, a method and system for providing an audio communication service among a large number of clients in real time may control a codec for speaking and listening functionality in a client in an audio communication service providing server.
Also, according to the present invention, a method and system for providing an audio communication service controls a client application of a client in an audio communication service providing server through the client application installed in the client, and thereby may selectively provide an audio communication service.

Claims

1. A method of providing an audio communication service among a large number of clients in real time in an audio communication service providing server, the method comprising: maintaining a permission information database storing client permission information with respect to the large number of clients; receiving first client information or communication group formation request information from a first client connecting to a predetermined web server, forming a communication group corresponding to the communication group formation request information, and transmitting communication group information of the formed communication group to the web server; updating first client permission information by referring to the first client information and first client permission information extracted from the permission information database; and transmitting a client application to the first client, wherein the client application is installed in the first client and controls a codec signal of the first client based on the first client permission information.
2. The method of claim 1, further comprising: receiving second client information and joining request information with respect to the communication group from a second client; updating second client permission information by referring to the second client information and second client permission information extracted from the permission information database; and transmitting the client application to the second client.
3. The method of claim 2, wherein the client application comprises: a codec control module controlling an access to the codec signal; a transceiving module transmitting the first client information, the second client information, the communication group formation request information, or the joining request information, and receiving the updated client permission information from the audio communication service providing server; and an event control module controlling an event signal which forms the communication group or an event signal which requests to join the communication group.
4. The method of claim 1, wherein the first client permission information includes access information with respect to the codec signal.
5. The method of claim 1, wherein the first client information includes a first client identification (ID) and a first client Internet Protocol (IP) address.
6. The method of claim 1, wherein the communication group formation request information includes channel information in the audio communication service providing server to which the communication group belongs and a password of the communication group.
7. The method of claim 1, wherein the codec signal includes assignment information of an audio signal received in the first client or an audio signal outputted from the first client.
8. The method of claim 2, wherein the joining request information includes channel information in the audio communication service providing server to which the communication group belongs, and a password of the communication group.
9. The method of claim 2, wherein the receiving of the second client information and joining request information further comprises receiving, in the second client, invitation request information with respect to the communication group from the first client.
10. A computer-readable recording medium storing a program for implementing the method according to any one of claims 1 through 9.
11. An audio communication service providing server, comprising: a permission information database storing client permission information with respect to a large number of clients; a transceiving module receiving client information, communication group formation request information, and communication group joining request information from the large number of clients, and transmitting communication group information with respect to a communication group corresponding to the communication group formation request information and a client application to the large number of clients; and a control module forming a communication group corresponding to the communication group formation request information, extracting the client information, and client permission information from the permission information database, and updating the client permission information, stored in the permission information database, by referring to the extracted client information and client permission information, wherein the client application is installed in the client and controls a codec signal of the client based on the client permission information.
12. The audio communication service providing server of claim 11, wherein the client application comprises: a codec control module controlling an access to the codec signal; a transceiving module transmitting the client information, the communication group formation request information, or the communication group joining request information, and receiving the updated client permission information from the audio communication service providing server; and an event control module controlling an event signal which forms the communication group or an event signal which indicates a request to join the communication group.
13. The audio communication service providing server of claim 11, wherein the client permission information includes access information with respect to the codec signal.
14. The audio communication service providing server of claim 11, wherein the client information includes a client ID and a client IP address.
15. The audio communication service providing server of claim 11, wherein the communication group formation request information includes channel information in the audio communication service providing server to which the communication group belongs, and a password of the communication group.
16. The audio communication service providing server of claim 11, wherein the codec signal includes assignment information of an audio signal received by the large number of clients or an audio signal outputted from the large number of clients.
17. The audio communication service providing server of claim 11, wherein the communication group joining request information includes channel information in the audio communication service providing server to which the communication group belongs, and a password of the communication group.
PCT/KR2007/005230 2006-10-24 2007-10-23 Method and system for providing multilateral, full duplex audio communication service WO2008051010A1 (en)

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JPH07163752A (en) * 1993-12-14 1995-06-27 Namco Ltd Multi-player type game device
KR20000059569A (en) * 1999-03-05 2000-10-05 문광수 System and method for falling between computer user groups
JP2001149659A (en) * 1999-11-24 2001-06-05 Icomsoft:Kk Voice support game system and method therefor
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