CN107800993B - Multimedia conference connection method, device and system - Google Patents

Multimedia conference connection method, device and system Download PDF

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Publication number
CN107800993B
CN107800993B CN201610806467.4A CN201610806467A CN107800993B CN 107800993 B CN107800993 B CN 107800993B CN 201610806467 A CN201610806467 A CN 201610806467A CN 107800993 B CN107800993 B CN 107800993B
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multimedia
path
channel
conference
data
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CN107800993A (en
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牛超
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2017/072295 priority patent/WO2018045713A1/en
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    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention provides a method, a device and a system for connecting a multimedia conference, wherein the method comprises the following steps: cutting off a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference, wherein the first path of multimedia channel is used for transmitting multimedia data of the first multimedia conference, and the second path of multimedia channel is used for transmitting multimedia data of the second multimedia conference; and bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel. By the technical scheme of the invention, multimedia communication can be carried out between conferences initiated by different SIM cards, the number of participants of the multimedia conference is effectively increased, additional equipment and platforms are not needed to be added, the cost is saved, and a multimedia conference system is simplified.

Description

Multimedia conference connection method, device and system
Technical Field
The invention relates to the field of communication, in particular to a method, a device and a system for connecting a multimedia conference.
Background
In the related art, the maximum number of people in a conference call performed by a mobile phone terminal in a Circuit Switched (CS) domain or a Packet Switched (PS) domain is not more than 7, that is, a Subscriber Identity Module (SIM) card can initiate a conference call with not more than 7 people. If two SIM cards respectively initiate two paths of telephone conferences, the two paths of participants can not communicate with each other. Due to the limitation of the number of the participated persons, if a conference with more than 7 persons is initiated, additional equipment and platforms need to be added, so that the use cost of the user is increased.
Aiming at the problem that communication cannot be realized between telephone conferences initiated by different SIM cards in the related technology, an effective solution is not provided yet.
Disclosure of Invention
The embodiment of the invention provides a method, a device and a system for connecting a multimedia conference, which are used for at least solving the problem that communication cannot be realized among telephone conferences initiated by different SIM cards in the related technology.
According to an aspect of the present invention, there is provided a multimedia conference connection method, including:
cutting off a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference, wherein the first path of multimedia channel is used for transmitting multimedia data of the first multimedia conference, and the second path of multimedia channel is used for transmitting multimedia data of the second multimedia conference;
and bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
Preferably, the step of performing bridging processing on the uplink and downlink channels of the first path of cut multimedia channels and the uplink and downlink channels of the second path of cut multimedia channels includes:
bridging the cut uplink channel of the first path of multimedia channel and the cut downlink channel of the second path of multimedia channel, and bridging the cut downlink channel of the first path of multimedia channel and the cut uplink channel of the second path of multimedia channel.
Preferably, after the bridge processing is performed on the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel, the method further includes:
sending the downlink multimedia data of the first multimedia conference to an uplink port of the second path of multimedia channel through the first path of multimedia channel; and/or
And sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel.
Preferably, in the process of sending the downlink multimedia data of the first multimedia conference to the uplink port of the second multimedia channel through the first multimedia channel, the method further includes:
converting the coding format of the downlink multimedia data of the first multimedia conference into a data coding format corresponding to the second path of multimedia channel;
in the process of sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel, the method further includes:
and converting the coding format of the downlink multimedia data of the second multimedia conference into the data coding format corresponding to the first path of multimedia channel.
Preferably, in the process of sending the downlink multimedia data of the first multimedia conference to the uplink port of the second multimedia channel through the first multimedia channel, the method further includes:
adjusting the data transmission rate of the first path of multimedia channel to be consistent with the data transmission rate of the second path of multimedia channel;
in the process of sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel, the method further includes:
and adjusting the data transmission rate of the second path of multimedia channel to be consistent with the data transmission rate of the first path of multimedia channel.
Preferably, the first multimedia conference and the second multimedia conference are initiated by the same terminal or initiated by different terminals.
Preferably, when the first multimedia conference and the second multimedia conference are initiated by different terminals, the different terminals are connected by at least one of the following methods: bluetooth connection, wireless network connection, infrared connection.
According to another aspect of the present invention, there is also provided a multimedia conference connection apparatus, including:
the system comprises a cutting module, a first path of multimedia channel and a second path of multimedia channel, wherein the first path of multimedia channel is used for transmitting multimedia data of a first multimedia conference, and the second path of multimedia channel is used for transmitting multimedia data of a second multimedia conference;
and the bridging module is used for bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
Preferably, the bridge module is further configured to:
bridging the cut uplink channel of the first path of multimedia channel and the cut downlink channel of the second path of multimedia channel, and bridging the cut downlink channel of the first path of multimedia channel and the cut uplink channel of the second path of multimedia channel.
Preferably, the apparatus further comprises:
the first data processing module is used for sending the downlink multimedia data of the first multimedia conference to the uplink port of the second path of multimedia channel through the first path of multimedia channel;
and the second data processing module is used for sending the downlink multimedia data of the second multimedia conference to the uplink port of the first path of multimedia channel through the second path of multimedia channel.
Preferably, the first data processing module is further configured to: converting the coding format of the downlink multimedia data of the first multimedia conference into a data coding format corresponding to the second path of multimedia channel;
the second data processing module is further configured to: and converting the coding format of the downlink multimedia data of the second multimedia conference into the data coding format corresponding to the first path of multimedia channel.
Preferably, the first data processing module is further configured to: adjusting the data transmission rate of the first path of multimedia channel to be consistent with the data transmission rate of the second path of multimedia channel;
the second data processing module is further configured to: and adjusting the data transmission rate of the second path of multimedia channel to be consistent with the data transmission rate of the first path of multimedia channel.
Preferably, the first multimedia conference and the second multimedia conference are initiated by the same terminal or initiated by different terminals.
According to another aspect of the present invention, there is also provided a multimedia conference connection system, including:
the first subscriber identity module SIM card is used for initiating or accessing a first multimedia conference; the second SIM card is used for initiating or accessing a second multimedia conference; a processor; a memory for storing instructions executable by the processor; the processor is to perform operations according to instructions stored in the memory, the operations comprising:
cutting off a first path of multimedia channel of the first multimedia conference and a second path of multimedia channel of the second multimedia conference, wherein the first path of multimedia channel is used for transmitting multimedia data of the first multimedia conference, and the second path of multimedia channel is used for transmitting multimedia data of the second multimedia conference;
and bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
Preferably, the first SIM card and the second SIM card are located in the same terminal or in different terminals.
Preferably, when the first SIM card and the second SIM card are located in different terminals, the processor includes a first processor and a second processor, and the memory includes a first memory and a second memory, where the first SIM card, the first processor, and the first memory are located in a first terminal, and the second SIM card, the second processor, and the second memory are located in a second terminal.
Preferably, the first memory is configured to store instructions executable by the first processor, and the first processor is configured to perform operations according to the instructions stored in the first memory, the operations comprising:
cutting off the first path of multimedia channel;
and bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
Preferably, the second memory is configured to store instructions executable by the second processor, and the second processor is configured to perform operations according to the instructions stored in the second memory, the operations comprising:
cutting off the second path of multimedia channel;
and bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
In an embodiment of the present invention, a computer storage medium is further provided, where the computer storage medium may store an execution instruction, where the execution instruction is used to execute implementation of the method for turning on a multimedia conference in the foregoing embodiment.
By the invention, a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference are cut off; and the uplink and downlink channels of the first path of multimedia channel and the second path of multimedia channel are bridged, so that the problem that communication cannot be realized between telephone conferences initiated by different SIM cards in the related technology is solved, the multimedia communication can be realized between the conferences initiated by different SIM cards, the number of participants of the multimedia conference is effectively increased, additional equipment and platforms do not need to be added, the cost is saved, and a multimedia conference system is simplified.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a block diagram of a hardware configuration of a computer terminal of a method for connecting a multimedia conference according to an embodiment of the present invention;
fig. 2 is a flowchart of a method of switching on a multimedia conference according to embodiment 1 of the present invention;
fig. 3 is a block diagram (one) of the configuration of a connection device of a multimedia conference according to embodiment 2 of the present invention;
fig. 4 is a block diagram (ii) showing the configuration of a connection device for a multimedia conference according to embodiment 2 of the present invention;
fig. 5 is a block diagram (one) of the configuration of a multimedia conference connection system according to embodiment 2 of the present invention;
fig. 6 is a block diagram (ii) showing the configuration of a multimedia conference connection system according to embodiment 2 of the present invention;
fig. 7 is a flowchart of a method of expanding the maximum number of conference call members according to embodiment 3 of the present invention;
fig. 8 is a network topology diagram of conference call members according to embodiment 3 of the present invention;
fig. 9 is a schematic view of a terminal call interface according to embodiment 3 of the present invention;
fig. 10 is a schematic block connection diagram of a first voice call according to embodiment 3 of the present invention;
fig. 11 is a schematic block diagram illustrating a second voice call according to embodiment 3 of the present invention;
fig. 12 is a schematic diagram of bridging two voice calls according to embodiment 3 of the present invention;
fig. 13 is a schematic diagram of a terminal interface after completion of bridging according to embodiment 3 of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided an embodiment of a method for switching on a multimedia conference, it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that described herein.
The method provided by the embodiment 1 of the present application can be executed in a mobile terminal, a computer terminal or a similar computing device. Taking the example of running on a computer terminal, fig. 1 is a hardware structure block diagram of a computer terminal of a multimedia conference connection method according to an embodiment of the present invention. As shown in fig. 1, the computer terminal 10 may include one or more (only one shown) processors 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA), a memory 104 for storing data, and a transmission module 106 for communication functions. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the electronic device. For example, the computer terminal 10 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 may be configured to store software programs and modules of application software, such as program instructions/modules corresponding to the page content processing method in the embodiment of the present invention, and the processor 102 executes various functional applications and data processing by running the software programs and modules stored in the memory 104, that is, implementing the vulnerability detection method of the application program. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the computer terminal 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the computer terminal 10. In one example, the transmission device 106 includes a Network adapter (NIC) that can be connected to other Network devices through a base station to communicate with the internet. In one example, the transmission device 106 can be a Radio Frequency (RF) module, which is used to communicate with the internet in a wireless manner.
Under the operating environment, the application provides a method for connecting a multimedia conference as shown in fig. 2. Fig. 2 is a flowchart of a multimedia conference connection method according to embodiment 1 of the present invention, as shown in fig. 2, including the following steps:
step S202, cutting off a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference, wherein the first path of multimedia channel is used for transmitting multimedia data of the first multimedia conference, and the second path of multimedia channel is used for transmitting multimedia data of the second multimedia conference;
and step S204, bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
Cutting off a first path of multimedia channel of the first multimedia conference and a second path of multimedia channel of the second multimedia conference through the steps; the uplink and downlink channels of the first path of multimedia channel and the uplink and downlink channels of the second path of multimedia channel are bridged, so that the problem that communication cannot be realized between telephone conferences initiated by different SIM cards in the related technology is solved, multimedia communication can be realized between the conferences initiated by different SIM cards, the number of participants of the multimedia conference is effectively increased, additional equipment and platforms do not need to be added, the cost is saved, and a multimedia conference system is simplified.
It should be noted that the multimedia conference may be a voice conference or a video conference, which is not limited in this embodiment. Taking a multi-user voice conference as an example, when a first voice conference and a second voice conference are initiated by two SIM cards of the same terminal, the first voice channel and the second voice channel are respectively and independently connected to the same microphone, in the prior art, the two voice conferences are not communicated, and a terminal user needs to switch different voice channels, thereby switching between different voice conferences. In the embodiment of the present invention, the connection between the two voice channels and the microphone may be cut off according to step S202, and then the two voice channels are bridged at the modem level according to step S204, thereby implementing the communication between the two voice conferences.
The step S204 may be implemented by the following scheme in an optional example: bridging the uplink channel of the first cut path of multimedia channels and the downlink channel of the second cut path of multimedia channels, and bridging the downlink channel of the first cut path of multimedia channels and the uplink channel of the second cut path of multimedia channels. The uplink channel may be understood as a data transmission channel of the multimedia conference, and the downlink channel may be understood as a data reception channel of the multimedia conference.
In an optional example of this embodiment, after the step S204 is executed, that is, after two multimedia channels are bridged, data transmission between the first multimedia conference and the second multimedia conference may be implemented, which specifically includes:
sending downlink multimedia data of the first multimedia conference to an uplink port of a second path of multimedia channel through the first path of multimedia channel; and/or
And sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel.
In order to ensure that two paths of multimedia conferences realize effective data communication, the step of sending downlink multimedia data of a first multimedia conference to an uplink port of a second path of multimedia channel through the first path of multimedia channel comprises the following steps: converting the coding format of the downlink multimedia data of the first multimedia conference into a data coding format corresponding to the second path of multimedia channel; sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel, comprising: and converting the coding format of the downlink multimedia data of the second multimedia conference into a data coding format corresponding to the first path of multimedia channel.
For example, the following steps are carried out: if the communication system of the first multimedia conference is a UMTS system and the communication system of the second multimedia conference is a CDMA system, and the downlink multimedia data of the first multimedia conference is sent to the uplink port of the second path of multimedia channel through the first path of multimedia channel, the AMR speech data coding format needs to be converted into the ERVC speech data coding format, and vice versa.
Further, in order to ensure effective data communication between two paths of multimedia conferences, in the process of sending downlink multimedia data of the first multimedia conference to the uplink port of the second multimedia conference through the first multimedia channel, the method further includes: adjusting the data transmission rate of the first path of multimedia channel to be consistent with the data transmission rate of the second path of multimedia channel; in the process of sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel, the method further includes: and adjusting the data transmission rate of the second path of multimedia channel to be consistent with the data transmission rate of the first path of multimedia channel.
For example, the following steps are carried out: when the transmission rate of the first path of voice data is 10kb and the transmission rate of the second path of voice data is 5kb, the transmission rate of the first path of voice data is halved and adjusted to 5kb when the first path of voice data is sent to the second path; when the second path of voice data is sent to the first path, the transmission rate of the second path of voice data is expanded and adjusted to 10 kb.
It should be noted that the communication system of the first voice call and the second voice call includes at least one of the following: GSM, UMTS, CDMA, WCDM, etc. The encoding format conversion and rate matching referred to herein are both conversion matched in real time during the data transmission of the multimedia conference.
In the embodiment of the invention, the first multimedia conference and the second multimedia conference can be initiated by the same terminal or different terminals. When the first multimedia conference and the second multimedia conference are initiated by different terminals, the different terminals are connected by at least one of the following ways: bluetooth connection, wireless network connection, infrared connection.
Specifically, the first multimedia conference here may be initiated by a first SIM card, the second multimedia conference may be initiated by a second SIM card, and the two SIM cards may be located in the same wireless communication terminal or in different wireless communication terminals. Of course, the present embodiment is not limited to two SIM cards, and a plurality of SIM cards may be disposed on the same terminal.
In a specific example of this embodiment, if the first terminal includes two SIM cards (SIM card 1 and SIM card 2), respectively initiate a first multimedia conference and a second multimedia conference, and the second terminal also includes two SIM cards (SIM card 3 and SIM card 4), where the SIM card 3 has access to the first multimedia conference and the SIM card 4 has no access to the multimedia conference, at this time, the SIM card 4 may initiate a third multimedia conference, and three multimedia channels of the first multimedia conference, the second multimedia conference and the third multimedia conference may be bridged, so as to expand the number of people in the teleconference to the total number of people in the three multimedia conferences.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Example 2
In this embodiment, a device for connecting a multimedia conference is further provided, and the device is used to implement the foregoing embodiments and preferred examples, which have already been described and will not be described again. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 3 is a block diagram (a) of a multimedia conference connection apparatus according to embodiment 2 of the present invention, and as shown in fig. 3, the apparatus includes:
a cutting module 30, configured to cut off a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference, where the first path of multimedia channel is used to transmit multimedia data of the first multimedia conference, and the second path of multimedia channel is used to transmit multimedia data of the second multimedia conference;
and the bridging module 32 is connected with the cutting module 30, and is configured to perform bridging processing on the uplink and downlink channels of the first path of cut multimedia channels and the uplink and downlink channels of the second path of cut multimedia channels.
Through the steps, the cutting-off module cuts off a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference, and the bridging module carries out bridging processing on the uplink and downlink channels of the first path of multimedia channel and the uplink and downlink channels of the second path of multimedia channel, so that the problem that communication cannot be realized between telephone conferences initiated by different SIM cards in the related technology is solved, multimedia communication can be realized between the conferences initiated by the different SIM cards, the number of participants of the multimedia conferences is effectively expanded, meanwhile, no additional equipment or platform is required to be added, the cost is saved, and a multimedia conference system is simplified.
In an optional example of this embodiment, the bridge module is further configured to: bridging the uplink channel of the first cut path of multimedia channels and the downlink channel of the second cut path of multimedia channels, and bridging the downlink channel of the first cut path of multimedia channels and the uplink channel of the second cut path of multimedia channels.
Fig. 4 is a block diagram (ii) showing the configuration of a connection device for a multimedia conference according to embodiment 2 of the present invention. As shown in fig. 4, in an alternative example of the present embodiment, the turning-on device further includes:
a first data processing module 34, connected to the bridging module 32, configured to send downlink multimedia data of the first multimedia conference to an uplink port of the second multimedia channel through the first multimedia channel; and the second data processing module 36 is connected to the second data processing module 36, and is configured to send the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel.
In order to ensure effective data communication between the two multimedia conferences, the first data processing module 34 is further configured to: converting the coding format of the downlink multimedia data of the first multimedia conference into a data coding format corresponding to the second path of multimedia channel; the second data processing module 36 is further configured to: and converting the coding format of the downlink multimedia data of the second multimedia conference into a data coding format corresponding to the first path of multimedia channel.
In order to ensure effective data communication between the two multimedia conferences, the first data processing module 34 is further configured to: adjusting the data transmission rate of the first path of multimedia channel to be consistent with the data transmission rate of the second path of multimedia channel; the second data processing module 36 is further configured to: and adjusting the data transmission rate of the second path of multimedia channel to be consistent with the data transmission rate of the first path of multimedia channel.
In the embodiment of the invention, the first multimedia conference and the second multimedia conference can be initiated by the same terminal or different terminals. When the first multimedia conference and the second multimedia conference are initiated by different terminals, the different terminals are connected at least by one of the following ways: bluetooth connection, wireless network connection, infrared connection.
Specifically, the first multimedia conference here may be initiated by a first SIM card, the second multimedia conference may be initiated by a second SIM card, and the two SIM cards may be located in the same wireless communication terminal or in different wireless communication terminals. Of course, the present embodiment is not limited to two SIM cards, and a plurality of SIM cards may be disposed on the same terminal.
In this embodiment, a multimedia conference connection system is also provided to explain an application body of the device in the above embodiments. The system is used for implementing the above embodiments and preferred embodiments, and the description of the system already made is omitted.
Fig. 5 is a block diagram (a) of a multimedia conference connection system according to embodiment 2 of the present invention, and as shown in fig. 5, the multimedia conference connection system includes:
a first subscriber identity SIM card 50 for initiating or accessing a first multimedia conference;
a second SIM card 52 for initiating or accessing a second multimedia conference;
a processor 54;
a memory 56 for storing processor-executable instructions; the processor is configured to perform operations according to instructions stored in the memory, and includes:
cutting off a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference, wherein the first path of multimedia channel is used for transmitting multimedia data of the first multimedia conference, and the second path of multimedia channel is used for transmitting multimedia data of the second multimedia conference;
and bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
Through the system, the processor cuts off a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference; the uplink and downlink channels of the first path of multimedia channel and the uplink and downlink channels of the second path of multimedia channel are bridged, so that the problem that communication cannot be realized between telephone conferences initiated by different SIM cards in the related technology is solved, multimedia communication can be realized between the conferences initiated by different SIM cards, the number of participants of the multimedia conference is effectively increased, additional equipment and platforms do not need to be added, the cost is saved, and a multimedia conference system is simplified.
The processor in embodiment 2 of the present invention may be the same as the processor 102 in embodiment 1, or may be a processor for processing a different flow.
In an optional example, the bridging processing is performed on the uplink and downlink channels of the first path of cut multimedia channel and the uplink and downlink channels of the second path of cut multimedia channel, which may be implemented by the following scheme: the system comprises an uplink channel bridging the first path of multimedia channel and a downlink channel bridging the second path of multimedia channel, and an uplink channel bridging the downlink channel of the first path of multimedia channel and the uplink channel of the second path of multimedia channel. The uplink channel may be understood as a data transmission channel of the multimedia conference, and the downlink channel may be understood as a data reception channel of the multimedia conference.
In an optional example of this embodiment, after performing two-way multimedia channel bridging, data transmission between the first multimedia conference and the second multimedia conference may be implemented, which specifically includes:
sending downlink multimedia data of the first multimedia conference to an uplink port of a second path of multimedia channel through the first path of multimedia channel; and/or
And sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel.
In order to ensure that two paths of multimedia conferences realize effective data communication, the step of sending downlink multimedia data of a first multimedia conference to an uplink port of a second path of multimedia channel through the first path of multimedia channel comprises the following steps: converting the coding format of the downlink multimedia data of the first multimedia conference into a data coding format corresponding to the second path of multimedia channel; sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel, comprising: and converting the coding format of the downlink multimedia data of the second multimedia conference into a data coding format corresponding to the first path of multimedia channel.
Further, in order to ensure effective data communication between two paths of multimedia conferences, in the process of sending downlink multimedia data of the first multimedia conference to the uplink port of the second multimedia conference through the first multimedia channel, the method further includes: adjusting the data transmission rate of the first path of multimedia channel to be consistent with the data transmission rate of the second path of multimedia channel; in the process of sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel, the method further includes: and adjusting the data transmission rate of the second path of multimedia channel to be consistent with the data transmission rate of the first path of multimedia channel.
It should be noted that the communication system of the first voice call and the second voice call includes at least one of the following: GSM, UMTS, CDMA, WCDM, etc. The encoding format conversion and rate matching referred to herein are both conversion matched in real time during the data transmission of the multimedia conference.
In the embodiment of the invention, the first multimedia conference and the second multimedia conference can be initiated by the same terminal or different terminals. When the first multimedia conference and the second multimedia conference are initiated by different terminals, the different terminals are connected at least by one of the following ways: bluetooth connection, wireless network connection, infrared connection.
In an optional example of this embodiment, the first SIM card 50 and the second SIM card 52 may be located in the same terminal, or may be located in different terminals.
Fig. 6 is a block diagram (ii) showing the configuration of a multimedia conference connection system according to embodiment 2 of the present invention. As shown in fig. 6, when the first SIM card 50 and the second SIM card 52 are located in different terminals, the processor 54 includes a first processor 541 and a second processor 542, and the memory 56 includes a first memory 561 and a second memory 562, wherein the first SIM card 50, the first processor 541 and the first memory 561 are located in the first terminal 581, and the second SIM card 52, the second processor 542 and the second memory 562 are located in the second terminal 582.
The first memory 561 is used for storing instructions executable by the first processor 541, and the first processor 541 is used for performing operations according to the instructions stored in the first memory 561, including: cutting off a first path of multimedia channel of the first multimedia conference; and bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
The second memory 562 is configured to store instructions executable by the second processor 542, and the second processor 542 is configured to perform operations according to the instructions stored in the second memory 562, including: cutting off a second path of multimedia channel of the second multimedia conference; and bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
Example 3
In order to better understand the technical solution of the present invention, the present embodiment further provides a method for expanding the maximum number of conference call members. Fig. 7 is a flowchart of a method of expanding the maximum number of conference call members according to embodiment 3 of the present invention. As shown in fig. 7, the method is implemented based on two SIM cards on the same terminal, where the two SIM cards (i.e., card 1 and card 2) respectively initiate two independent telephone conferences (i.e., a first voice call and a second voice call), and then bridge the two telephone conferences. The method specifically comprises the following steps:
s701, a terminal user issues a command for starting bridging;
s703, cutting off the original voice uplink and downlink channels of the first voice call;
s705, cutting off the original voice uplink and downlink channels of the second path of voice call;
s707, bridging two voice uplink and downlink channels of the call;
s709, notify the end user that the bridging is completed.
It should be noted that, as shown in the drawing, the first voice call is the first teleconference, and the second voice call is the second teleconference. The method for expanding the maximum number of the conference call members provided by the embodiment of the invention is mainly realized by depending on a wireless communication network of a mobile communication operator based on a mobile phone terminal, and can also be applied to a professional conference call platform through the Internet.
In the preferred embodiment of this embodiment, each teleconference includes 6 members for specific description.
Fig. 8 is a network topology diagram of conference call members according to embodiment 3 of the present invention. As shown in fig. 8, according to the step S701, the end user issues a command to start bridging, and after the two-way conference call (i.e. the first call and the second call) is established between the card 1 and the card 2, there are 6 conference members respectively, but the card 1 and the card 2 are not communicated with each other. At this time, the 6 members of the card 1 can make a conference call and the 6 members of the card 2 can make a conference call, but the card 1 and the card 2 are independent from each other and cannot make a call with each other.
Fig. 9 is a schematic diagram of a terminal call interface according to embodiment 3 of the present invention. As shown in fig. 9, a "bridge" button is provided between the display card 1 and the card 2 on the interface, and when the user clicks the bridge button in the interface, the application layer will issue a bridge command to the bridge module in the terminal, thereby starting the whole bridge program.
Fig. 10 is a schematic block connection diagram of a first voice call according to embodiment 3 of the present invention. As shown in fig. 10, the Modem module Modem includes a first teleconference module (equivalent to a first voice call) and a second teleconference module (equivalent to a second voice call), where the two teleconference modules are respectively connected to the radio frequency module 1 and the radio frequency module 2, that is, the two teleconference modules perform data transmission through different radio frequency channels, and are independent of each other. The first conference call module is in communication connection with the digital signal processing chip ADSP, and both the first conference call module and the ADSP include a Transmit (Tx) port and a Receive (Rx) port. The ADSP and the codec are also connected in communication. The codec is used for encoding or decoding data, and the Modem is used for modulating or demodulating data.
According to the above step S703: and cutting off the original voice uplink and downlink channels of the first voice call. As shown in fig. 10, after receiving the bridging command, the bridging module starts to cut off the first path of original voice uplink and downlink channels.
Fig. 11 is a schematic diagram of module connections of a second voice call according to embodiment 3 of the present invention. As shown in fig. 11, the Modem module Modem includes a first teleconference module and a second teleconference module, where the two teleconference modules are respectively connected to the radio frequency module 1 (not shown) and the radio frequency module 2 (not shown), that is, the two teleconference modules perform data transmission through different radio frequency channels, and are independent of each other. The second path of teleconference module is in communication connection with the digital signal processing chip ADSP, and both the second path of teleconference module and the digital signal processing chip ADSP comprise a Transmit (Tx) port and a Receive (Rx) port.
According to the above step S705: and cutting off the original voice uplink and downlink channels of the second path of voice call. As shown in fig. 11, after receiving the bridging command, the bridging module starts to cut off the second path of original voice uplink and downlink channels.
Fig. 12 is a schematic diagram of bridging two voice calls according to embodiment 3 of the present invention. As shown in fig. 12, according to the above step S707: and bridging the voice uplink and downlink channels of the two calls. And sending the downlink voice data of the first path to the uplink port of the second path through the data transmission channel, and sending the downlink voice data of the second path to the uplink port of the first path through the data transmission channel.
It should be noted that the communication systems of the first voice call and the second voice call may be consistent or inconsistent, and if necessary, the necessary transcoding of the transmission data is performed, for example: if the first voice call is a UMTS system and the second voice call is a CDMA system, the AMR voice code needs to be converted into the ERVC, and rate matching is ensured. For another example: the first voice call is a UMTS system, the second voice call is a UMTS system, and generally, the data transmission of the two systems both use an AMR voice coding mode, so that code conversion is not required, but transmission rate matching is required, that is, when the first voice data is sent to the second voice call, the transmission rate of the first voice data is adjusted to a transmission rate consistent with that of the second voice data. When the second path of voice data is sent to the first path, the transmission rate of the second path of voice data is adjusted to be the transmission rate consistent with that of the first path of voice data. For example: when the transmission rate of the first path of voice data is 10kb and the transmission rate of the second path of voice data is 5kb, the transmission rate of the first path of voice data is halved and adjusted to 5kb when the first path of voice data is sent to the second path; when the second path of voice data is sent to the first path, the transmission rate of the second path of voice data is expanded and adjusted to 10 kb.
It should be noted that the communication system of the first voice call and the second voice call includes at least one of the following: GSM, UMTS, CDMA, WCDM, etc. Both the transcoding and rate matching referred to herein are performed in real time during the transmission of the voice data.
Fig. 13 is a schematic diagram of a terminal interface after completion of bridging according to embodiment 3 of the present invention. As shown in fig. 13, according to the above step S709: the end user is notified that the bridging is complete. The bridging module informs the application processor that bridging is completed, and the interface is updated as necessary and is displayed as a bridging state.
In a preferred implementation manner of this embodiment, after the first teleconference module and the second teleconference module are bridged, software of at least one of the following may be set between the first teleconference module and the second teleconference module: ADSP, codec, rate matching software, etc.
Example 4
The embodiment of the invention also provides a storage medium. Optionally, in this embodiment, the storage medium may be configured to store a program code executed by the method for connecting a multimedia conference provided in the first embodiment.
Optionally, in this embodiment, the storage medium may be located in any one of computer terminals in a computer terminal group in a computer network, or in any one of mobile terminals in a mobile terminal group.
Optionally, in this embodiment, the storage medium is configured to store program code for performing the following steps:
s1, cutting off a first path of multimedia channel of the first multimedia conference and a second path of multimedia channel of the second multimedia conference, wherein the first path of multimedia channel is used for transmitting the multimedia data of the first multimedia conference, and the second path of multimedia channel is used for transmitting the multimedia data of the second multimedia conference;
and S2, bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A method for connecting a multimedia conference is applied to a multimedia conference initiated by different SIM cards of the same terminal, and is characterized by comprising the following steps:
the terminal internally comprises a modulation and demodulation module; the modulation and demodulation module comprises a first path of multimedia conference module and a second path of multimedia conference module;
the first multimedia conference and the second multimedia conference are conferences initiated by different SIM cards;
the first path of multimedia channel is realized by the communication connection between the first path of multimedia conference module and the digital signal processing chip ADSP, and both the first path of multimedia channel and the digital signal processing chip ADSP comprise a transmitting port and a receiving port;
the second path of multimedia channel is realized by communication connection between the second path of multimedia conference module and the digital signal processing chip ADSP, and both the second path of multimedia channel and the digital signal processing chip ADSP comprise a transmitting port and a receiving port;
cutting off a first path of multimedia channel of a first multimedia conference and a second path of multimedia channel of a second multimedia conference, wherein the first path of multimedia channel is used for transmitting multimedia data of the first multimedia conference, and the second path of multimedia channel is used for transmitting multimedia data of the second multimedia conference;
the step of cutting off the first path of multimedia channel of the first multimedia conference and the second path of multimedia channel of the second multimedia conference comprises the following steps:
cutting off the connection between the transmitting port of the first path of multimedia conference module and the ADSP receiving port of the digital signal processing chip;
cutting off the connection between the receiving port of the first path of multimedia conference module and the ADSP transmitting port of the digital signal processing chip;
cutting off the connection between the transmitting port of the second path of multimedia conference module and the ADSP receiving port of the digital signal processing chip;
cutting off the connection between the receiving port of the second path of multimedia conference module and the ADSP transmitting port of the digital signal processing chip;
bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel;
the step of performing bridging processing on the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel includes:
bridging the cut uplink channel of the first path of multimedia channel and the cut downlink channel of the second path of multimedia channel, and bridging the cut downlink channel of the first path of multimedia channel and the cut uplink channel of the second path of multimedia channel;
the step of bridging the cut uplink channel of the first path of multimedia channel and the cut downlink channel of the second path of multimedia channel, and bridging the cut downlink channel of the first path of multimedia channel and the cut uplink channel of the second path of multimedia channel comprises:
and bridging the transmitting port of the first path of teleconference module and the receiving port of the second path of teleconference module, and the transmitting port of the second path of teleconference module and the receiving port of the first path of teleconference module.
2. The method according to claim 1, wherein after performing bridge processing on the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel, the method further comprises:
sending the downlink multimedia data of the first multimedia conference to an uplink port of the second path of multimedia channel through the first path of multimedia channel; and/or
And sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel.
3. The method according to claim 2, wherein in the process of sending the downstream multimedia data of the first multimedia conference to the upstream port of the second multimedia channel through the first multimedia channel, the method further comprises:
converting the coding format of the downlink multimedia data of the first multimedia conference into a data coding format corresponding to the second path of multimedia channel;
in the process of sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel, the method further includes:
and converting the coding format of the downlink multimedia data of the second multimedia conference into the data coding format corresponding to the first path of multimedia channel.
4. The method according to claim 2, wherein in the process of sending the downstream multimedia data of the first multimedia conference to the upstream port of the second multimedia channel through the first multimedia channel, the method further comprises:
adjusting the data transmission rate of the first path of multimedia channel to be consistent with the data transmission rate of the second path of multimedia channel;
in the process of sending the downlink multimedia data of the second multimedia conference to the uplink port of the first multimedia channel through the second multimedia channel, the method further includes:
and adjusting the data transmission rate of the second path of multimedia channel to be consistent with the data transmission rate of the first path of multimedia channel.
5. A connecting device of a multimedia conference is applied to the multimedia conference initiated by different SIM cards of the same terminal, and is characterized by comprising:
the terminal internally comprises a modulation and demodulation module; the modulation and demodulation module comprises a first path of multimedia conference module and a second path of multimedia conference module;
the first multimedia conference and the second multimedia conference are conferences initiated by different SIM cards;
the first path of multimedia channel is realized by the communication connection between the first path of multimedia conference module and the digital signal processing chip ADSP, and both the first path of multimedia channel and the digital signal processing chip ADSP comprise a transmitting port and a receiving port;
the second path of multimedia channel is realized by communication connection between the second path of multimedia conference module and the digital signal processing chip ADSP, and both the second path of multimedia channel and the digital signal processing chip ADSP comprise a transmitting port and a receiving port;
the system comprises a cutting module, a first path of multimedia channel and a second path of multimedia channel, wherein the first path of multimedia channel is used for transmitting multimedia data of a first multimedia conference, and the second path of multimedia channel is used for transmitting multimedia data of a second multimedia conference;
cutting off the connection between the transmitting port of the first path of multimedia conference module and the ADSP receiving port of the digital signal processing chip;
cutting off the connection between the receiving port of the first path of multimedia conference module and the ADSP transmitting port of the digital signal processing chip;
cutting off the connection between the transmitting port of the second path of multimedia conference module and the ADSP receiving port of the digital signal processing chip;
cutting off the connection between the receiving port of the second path of multimedia conference module and the ADSP transmitting port of the digital signal processing chip;
the bridging module is used for bridging the cut uplink and downlink channels of the first path of multimedia channel and the cut uplink and downlink channels of the second path of multimedia channel;
the bridge module is further configured to:
bridging the cut uplink channel of the first path of multimedia channel and the cut downlink channel of the second path of multimedia channel, and bridging the cut downlink channel of the first path of multimedia channel and the cut uplink channel of the second path of multimedia channel;
the step of bridging the cut uplink channel of the first path of multimedia channel and the cut downlink channel of the second path of multimedia channel, and bridging the cut downlink channel of the first path of multimedia channel and the cut uplink channel of the second path of multimedia channel comprises:
and bridging the transmitting port of the first path of teleconference module and the receiving port of the second path of teleconference module, and the transmitting port of the second path of teleconference module and the receiving port of the first path of teleconference module.
6. The apparatus of claim 5, further comprising:
the first data processing module is used for sending the downlink multimedia data of the first multimedia conference to the uplink port of the second path of multimedia channel through the first path of multimedia channel;
and the second data processing module is used for sending the downlink multimedia data of the second multimedia conference to the uplink port of the first path of multimedia channel through the second path of multimedia channel.
7. The apparatus of claim 6, wherein the first data processing module is further configured to: converting the coding format of the downlink multimedia data of the first multimedia conference into a data coding format corresponding to the second path of multimedia channel;
the second data processing module is further configured to: and converting the coding format of the downlink multimedia data of the second multimedia conference into the data coding format corresponding to the first path of multimedia channel.
8. The apparatus of claim 6, wherein the first data processing module is further configured to: adjusting the data transmission rate of the first path of multimedia channel to be consistent with the data transmission rate of the second path of multimedia channel;
the second data processing module is further configured to: and adjusting the data transmission rate of the second path of multimedia channel to be consistent with the data transmission rate of the first path of multimedia channel.
9. A multimedia conference connection system, comprising:
the first SIM card is used for initiating or accessing a first multimedia conference;
the second SIM card is used for initiating or accessing a second multimedia conference;
a processor;
a memory for storing instructions executable by the processor;
the processor is configured to perform operations according to instructions stored in the memory, the executable instructions, when executed, causing the processor to perform the steps of the method of switching on a multimedia conference according to any of claims 1-4.
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