CN108234421A - It is a kind of to regard networked terminals and the method and system of internet terminal audio data intercommunication - Google Patents

Abstract

An embodiment of the present invention provides a kind of regarding networked terminals and the method and system of internet terminal audio data intercommunication, the audio intercommunication between networked terminals and internet terminal ensure that, while ensure that audio quality, user experience is good.The above method is applied to regard networking, including：Confirm the first coding/decoding information regarding networked terminals, the second coding/decoding information intercommunication with corresponding at least one internet terminal；It receives depending on networked terminals based on the first packets of audio data sent depending on networking protocol, is converted to the second audio data packet of the second coding/decoding information, and internet terminal is sent to based on internet Real-time Transport Protocol；Or including：The third coding/decoding information of internet terminal is confirmed, with corresponding at least one the 4th coding/decoding information intercommunication regarding networked terminals；Internet terminal is received based on internet Real-time Transport Protocol, the third packets of audio data sent, is converted to the 4th packets of audio data of the 4th coding/decoding information, and be based on being sent to regarding networked terminals depending on networking protocol.

Description

It is a kind of to regard networked terminals and the method and system of internet terminal audio data intercommunication

Technical field

The present invention relates to regarding networking technology field, networked terminals and internet terminal audio data are regarded more particularly to one kind The method and system of intercommunication.

Background technology

With the fast development of the network technology, the two-way communications such as audio/video conference, audio/video teaching are user's Life, work, study etc. are widely available.

In communication process, be frequently encountered leads to meeting because of the difference for the audio coding decoding information that each terminal is supported When audio not intercommunication the problem of.Existing a solution is by being converted accordingly to audio data in each terminal It realizes audio intercommunication, but encounters in the application scenarios that high tone quality is needed to require, because existing between audio format for example has The audio data of damage form cannot be converted to the situation of the audio data of lossless format so that cannot arbitrarily turn between audio format It changes, therefore causes that meeting cannot be normally carried out or audio quality is very poor, cause the situation of poor user experience.

Invention content

In view of lead to meeting because of the difference for the audio coding decoding information that each terminal is supported during above-mentioned meeting in the prior art During view the problem of audio not intercommunication, it is proposed that the embodiment of the present invention overcomes the above problem or at least partly in order to provide one kind What is solved the above problems is a kind of regarding networked terminals and the method and system of internet terminal audio data intercommunication.

To solve the above-mentioned problems, the embodiment of the invention discloses a kind of sending method regarding networked terminals audio data, The method is applied to regard in networking, including：

Depending on networking meeting access server confirm regarding networked terminals the first coding/decoding information, with it is corresponding it is at least one mutually Second coding/decoding information intercommunication of networked terminals；

It is based on described in receiving depending on networked terminals depending on networking protocol, by regarding networking Core server, the first audio of transmission Data packet；First packets of audio data includes the internet terminal number；

According to second coding/decoding information, first packets of audio data is converted into second audio data packet；

Based on internet Real-time Transport Protocol, the second audio data packet is sent to the internet terminal；Second sound Frequency data packet is decoded and is played by the internet terminal.

To solve the above-mentioned problems, the embodiment of the invention also discloses a kind of senders of internet terminal audio data Method, the method are applied to regard in networking, including：

The third coding/decoding information of internet terminal is confirmed depending on networking meeting access server, at least one is regarded with corresponding 4th coding/decoding information intercommunication of networked terminals；

The internet terminal is received based on internet Real-time Transport Protocol, the third packets of audio data sent；The third audio Data packet includes described regarding networked terminals number；

According to the 4th coding/decoding information, the third packets of audio data is converted into the 4th packets of audio data；

Based on depending on networking protocol, by regarding networking Core server, the 4th packets of audio data is sent to described regard Networked terminals；4th packets of audio data is decoded and played depending on networked terminals by described.

On the other hand, the embodiment of the invention discloses a kind of transmission system regarding networked terminals audio data, the systems Applied in networking, including：

First audio intercommunication confirm module, for confirm regarding networked terminals the first coding/decoding information, with it is corresponding at least Second coding/decoding information intercommunication of one internet terminal；

First audio data receipt module is based on networking depending on networking protocol, by regarding for receiving the networked terminals that regard Core server, the first packets of audio data of transmission；First packets of audio data includes the internet terminal number；

First audio data modular converter, for according to second coding/decoding information, by first packets of audio data Be converted to second audio data packet；

For being based on internet Real-time Transport Protocol, the second audio data packet is sent to for first audio data sending module The internet terminal；The second audio data packet is decoded and is played by the internet terminal.

The embodiment of the invention also discloses a kind of transmission system of internet terminal audio data, the system is applied to regard In networking, including：

Second audio intercommunication confirm module, for confirming the third coding/decoding information of internet terminal, with it is corresponding at least One the 4th coding/decoding information intercommunication for regarding networked terminals；

Second audio data receiving module, for receive the internet terminal based on internet Real-time Transport Protocol, send the Three packets of audio data；The third packets of audio data includes described regarding networked terminals number；

Second audio data modular converter, for according to the 4th coding/decoding information, by the third packets of audio data Be converted to the 4th packets of audio data；

Second audio data sending module, for being based on depending on networking protocol, by regarding networking Core server, by described Four packets of audio data are sent to described regarding networked terminals；4th packets of audio data is decoded and broadcast depending on networked terminals by described It puts.

The embodiment of the present invention includes advantages below：

The embodiment of the present invention applies the characteristic regarding networking, passes through and transmits it in audio data depending on networking meeting access server Before, confirm that the first audio coding decoding information supported accordingly regarding networked terminals and the second audio of internet terminal support compile solution Code information mutual communication, ensure that the audio intercommunication between networked terminals and internet terminal, while ensure that audio quality, user's body It tests.

Description of the drawings

Fig. 1 is a kind of networking schematic diagram for regarding networking of the present invention；

Fig. 2 is a kind of hardware architecture diagram of node server of the present invention；

Fig. 3 is a kind of hardware architecture diagram of access switch of the present invention；

Fig. 4 is that a kind of Ethernet association of the present invention turns the hardware architecture diagram of gateway；

Fig. 5 a are the schematic diagrames of technical solution of the embodiment of the present invention；

Fig. 5 b are another schematic diagrames of technical solution of the embodiment of the present invention；

Fig. 6 is a kind of flow chart for sending method regarding networked terminals audio data that the embodiment of the present invention one provides；

Fig. 7 is the flow chart of another sending method for regarding networked terminals audio data provided by Embodiment 2 of the present invention；

Fig. 8 is a kind of flow chart of the sending method for internet terminal audio data that the embodiment of the present invention three provides；

Fig. 9 is the flow chart of the sending method for another internet terminal audio data that the embodiment of the present invention four provides；

Figure 10 is a kind of block diagram for transmission system regarding networked terminals audio data that the embodiment of the present invention five provides；

Figure 11 is a kind of block diagram of the transmission system for internet terminal audio data that the embodiment of the present invention six provides.

Specific embodiment

In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.

It is the important milestone of network Development depending on networking, is a real-time network, can realize HD video real-time Transmission, Push numerous the Internet, applications to HD video, high definition is face-to-face.

It, can be such as high in a network platform by required service depending on networking using real-time high-definition video switching technology Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring Field live streaming, VOD program requests, TV Mail, individual character recording (PVR), Intranet (manage) channel, intelligent video Broadcast Control, information publication by oneself The services such as etc. tens of kinds videos, voice, picture, word, communication, data are all incorporated into a system platform, by TV or Computer realizes that high-definition quality video plays.

For those skilled in the art is made to more fully understand the embodiment of the present invention, below to being introduced depending on networking：

Depending on networking, applied portion of techniques is as described below：

Network technology (Network Technology)

Network technology innovation depending on networking improves traditional ethernet (Ethernet), potential huge on network to face Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network Switching), Streaming demands are met using Packet Switching depending on networking technology.Has grouping depending on networking technology Flexible, the simple and low price exchanged, is provided simultaneously with quality and the safety assurance of circuit switching, it is virtually electric to realize the whole network switch type Road and the seamless connection of data format.

Switching technology (Switching Technology)

Two advantages of asynchronous and packet switch of Ethernet are used depending on networking, eliminating Ethernet under the premise of full compatibility lacks It falls into, has the end-to-end seamless connection of the whole network, direct user terminal directly carries IP data packets.User data is in network-wide basis It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can realizes at present mutually The whole network large-scale high-definition realtime video transmission that networking can not be realized pushes numerous Internet video applications to high Qinghua, unitizes.

Server technology (Server Technology)

It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, and single network layer is with regard to energy Enough include signaling and data transmission.For voice and video business, handled depending on networking and unified video platform Streaming Media Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.

Reservoir technology (Storage Technology)

The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and State-of-the-art real time operating system is employed, the programme information in server instruction is mapped to specific hard drive space, media Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits for typical time to be less than 0.2 second.It optimizes Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of ad eundem IP internets, but The concurrent flow more than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.

Network security technology (Network Security Technology)

Structural design depending on networking by servicing independent licence system, equipment and the modes such as user data is completely isolated every time The network security problem of puzzlement internet has thoroughly been eradicated from structure, antivirus applet, fire wall has not been needed to generally, has prevented black Visitor and the attack of virus, provide structural carefree secure network to the user.

Service innovative technology (Service Innovation Technology)

Business and transmission are merged by unified video platform, whether single user, private user or a net The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type " Complicated applications program, and can use considerably less code that complicated application can be realized, and realize the new business innovation of " endless ".

Networking depending on networking is as described below：

It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class Type, but centralized control node is needed to control whole network in network on this basis.

As shown in Figure 1, it is divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.

The equipment of access mesh portions can be mainly divided into 3 classes：Node server, access switch, terminal is (including various machines Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases Even, and Ethernet can be connected.

Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal. Node server can directly be connected with access switch, can also directly be connected with terminal.

Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes：Metropolitan area server, node switch, node serve Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.

Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end Point, and belong to metropolitan area mesh portions.

Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.

It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.

Visually claim, access mesh portions can form unified video platform (empty thiol point), and multiple unified videos are put down Platform can be formed regarding networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.

Classify depending on networked devices

1.1 embodiment of the present invention can be mainly divided into 3 classes depending on the equipment in networking：Server, interchanger is (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or National net, World Wide Web etc.) and access net.

The equipment of 1.2 wherein access mesh portions can be mainly divided into 3 classes：Node server, access switch is (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).

The particular hardware structure of each access network equipment is：

Node server：

As shown in Fig. 2, mainly include Network Interface Module 201, switching engine module 202, CPU module 203, disk array Module 204；

Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine Module 202；Switching engine module 202 to the packet come in look into the operation of address table 205, so as to obtain the navigation information of packet； And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 approaches It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded if meeting the following conditions：1) port It is less than to send caching；2) the queue package counting facility is more than zero.Disk array module 204 mainly realizes the control to hard disk, including The operations such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown) Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table) Configuration and, the configuration to disk array module 204.

Access switch：

As shown in figure 3, mainly include Network Interface Module (downstream network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304；

Wherein, the packet (upstream data) that downstream network interface module 301 is come in is into packet detection module 305；Packet detection mould Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met, Corresponding flow identifier (stream-id) is then distributed, and enters switching engine module 303, is otherwise abandoned；Uplink network interface mould The packet (downlink data) that block 302 is come in is into switching engine module 303；The data packet that CPU module 204 is come in enters switching engine Module 303；Switching engine module 303 to the packet come in look into the operation of address table 306, so as to obtain the navigation information of packet； It is gone if the packet into switching engine module 303 is downstream network interface toward uplink network interface, with reference to flow identifier (stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full, It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full, Then abandon.

All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention：

It is gone if the queue is downstream network interface toward uplink network interface, meets the following conditions and be forwarded：1) It is less than that the port sends caching；2) the queue package counting facility is more than zero；3) token that rate control module generates is obtained；

It is gone if the queue is not downstream network interface toward uplink network interface, meets the following conditions and be forwarded： 1) it is less than to send caching for the port；2) the queue package counting facility is more than zero.

Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval The pack buffer queue that interface is gone toward uplink network interface generates token, to control the code check of forwarded upstream.

CPU module 304 is mainly responsible for the protocol processes between node server, configuration to address table 306 and, Configuration to rate control module 308.

Ethernet association turns gateway：

As shown in figure 4, mainly include Network Interface Module (downstream network interface module 401, uplink network interface module 402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan Storage 407 and MAC add modules 409, MAC removing modules 410.

Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined The ethernet mac DA of measured data packet, ethernet mac SA, Ethernet length or frame type, regarding networking mesh way address DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing modules 410 (2byte), and enter corresponding order caching, otherwise abandon；

Downstream network interface module 401 detects the transmission caching of the port, if there is Bao Ze regarding with networking mesh according to packet Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway SA, Ethernet length or frame type, and send.

The function that Ethernet association turns other modules in gateway is similar with access switch.

Terminal：

Mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.

The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes：Node server, node switch, metropolitan area server. Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes Network Interface Module, switching engine module and CPU module are formed.

2nd, regarding networking data package definition

2.1 access network data package definitions

The data packet for accessing net mainly includes following sections：Destination address (DA), source address (SA), reserve bytes, payload(PDU)、CRC。

As shown in the table, the data packet for accessing net mainly includes following sections：

DA

SA

Reserved

Payload

CRC

Wherein：

Destination address (DA) is made of 8 bytes (byte), and first character section represents type (such as the various associations of data packet Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address, Seven, the 8th bytes are access net address；

Source address (SA) is also to be made of 8 bytes (byte), is defined identical with destination address (DA)；

Reserve bytes are made of 2 bytes；

Payload parts have different length according to the type of different datagrams, if being if various protocol packages 64 bytes, if single group unicast packets words be 32+1024=1056 byte, be not restricted to certainly more than 2 kinds；

CRC is made of 4 bytes, and computational methods follow the Ethernet CRC algorithm of standard.

2.2 Metropolitan Area Network (MAN) packet definitions

The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment 2 kinds can be all can exceed that between machine and node server, node switch and node switch, node switch and node server Connection.But the metropolitan area net address of metropolitan area network equipment is unique, is closed to accurately describe the connection between metropolitan area network equipment System, introduces parameter in embodiments of the present invention：Label uniquely describes a metropolitan area network equipment.

(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification Change) label definition it is similar, it is assumed that between device A and equipment B there are two connect, then data packet slave device A to equipment B just There are 2 labels, data packet slave device B to device A also there are 2 labels.Label is divided into label, outgoing label, it is assumed that data packet enters The label (entering label) of device A is 0x0000, and the label (outgoing label) when this data packet leaves device A may reform into 0x0001.The networking flow of Metropolitan Area Network (MAN) is to enter network process under centralized Control, also means that address distribution, the label of Metropolitan Area Network (MAN) Distribution is all dominated by metropolitan area server, and node switch, node server are all passive execution, this point with The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.

As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections：

DA

SA

Reserved

Label

Payload

CRC

That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its In, the form of label, which can refer to, to be defined as below：Label is 32bit, wherein high 16bit retains, only with low 16bit, its position Put is between the reserve bytes and payload of data packet.

Based on the above-mentioned characteristic regarding networking, the signal of the technical solution of the embodiment of the present invention with reference to shown in Fig. 5 a and Fig. 5 b Figure, it is proposed that one of the core concepts of the embodiments of the present invention, it then follows regarding the agreement of networking, existed by regarding networking meeting access server Before audio data transmission, confirm that the first audio coding decoding information supported accordingly regarding networked terminals and internet terminal are supported The second audio coding decoding information mutual communication, and in server end audio data is converted in audio data transmission；Wherein, It can be sent out by obtaining and parsing respectively depending on networking protocol module and Internet protocol module regarding networked terminals and internet terminal That send includes the instruction of corresponding coding/decoding information, obtains corresponding coding/decoding information.

Embodiment one：

With reference to shown in Fig. 6, an embodiment of the present invention provides a kind of sending method regarding networked terminals audio data, the sides Method is applied to regard in networking, including step 601-604：

Step 601：Depending on networking meeting access server confirm regarding networked terminals the first coding/decoding information, with it is corresponding extremely Second coding/decoding information intercommunication of a few internet terminal.

It is described to regard the transmission that audio data is carried out between networked terminals and corresponding at least one internet terminal；According to regarding The characteristic of networking, it is described depending on networking meeting access server be equivalent to regarding networking in a terminal, based on regarding networking protocol with It is described to be connected depending on networked terminals by regarding networking Core server, it is described to regard networking meeting access clothes in connection procedure is established Business device receive depending on networked terminals the first coding/decoding information or it is described regard network meeting access server stored in advance First coding/decoding information for regarding networked terminals, it is described in a word to know regarding networking eventually depending on networking meeting access server First coding/decoding information at end, and the approach to knowing is not limited；Similar, it is described to regard networking meeting access server and institute At least one internet terminal internet protocol-based connection is stated, and can be known described at least one regarding the second of networked terminals Coding/decoding information；It is described to pass through analysis depending on networking meeting access server, confirm first coding/decoding information and described second Coding/decoding information can could carry out following step after intercommunication, because can ensure described to be sent to depending on networked terminals in this way The audio data of at least one internet terminal can be by regarding networking meeting access server conversion so that the internet Terminal can understand the audio data and play；First coding/decoding information is the audio number supported regarding networked terminals According to coding/decoding information, including at least corresponding audio format and sample rate；Second coding/decoding information is the internet The coding/decoding information for the audio data that terminal is supported, including at least corresponding audio format and sample rate.

Step 602：It is based on described in receiving depending on networked terminals depending on networking protocol, by regarding networking Core server, transmission First packets of audio data；First packets of audio data includes the internet terminal number.

It is described to receive the networked terminals that regard depending on networking meeting access server and be based on regarding networking protocol, pass through and regard core of networking Central server, the first packets of audio data of transmission；First packets of audio data includes the internet terminal number, i.e., described The information of object that first packets of audio data needs are sent；The internet terminal number and the internet terminal one are a pair of Should, and corresponding to the network address of the internet terminal；It is described to store institute in advance depending on networking meeting access server State corresponding table of the internet terminal number with the network address of the internet terminal.

In practical application, networking is regarded as the network with centralized control functions, (is implemented including main control server in the present invention In example, it is equivalent to described regarding networking Core server) and undernet equipment, the undernet equipment is including terminal (in this hair In bright embodiment, be equivalent to and described regard networked terminals and described regard networking meeting access server), depending on networking core idea it One is, by switching equipment being notified to be directed to the downstream communications link when secondary service with table by main control server, is then based on this The table of configuration carries out the transmission of data packet.

That is, include depending on the communication means in networking：

Main control server (networking Core server is regarded described in embodiments of the present invention, being equivalent to) configuration is when secondary service Downstream communications link；

Work as time clothes by what source terminal (in the step 602 of the embodiment of the present invention, being equivalent to described regarding networked terminals) was sent The data packet of business is sent to target terminal (in the step 602 of the embodiment of the present invention, quite according to the downstream communications link Networking meeting access server is regarded in described).

In embodiments of the present invention, configuration is worked as time downstream communications link of service and is included：Notice is led to when time downlink of service Believe that the switching equipment involved by link matches table；

Furthermore, include according to downstream communications link transmission：Inquiry table be configured, switching equipment is to being received Data packet is transmitted by corresponding port.

In the concrete realization, service includes unicast communication service and Multicast Communication Service.I.e. either cast communication is still Unicast communication, can use it is above-mentioned with table-realize the communication regarded in networking with the core idea of table.

As previously mentioned, including access mesh portions regarding networking net, in access is netted, which is node server, Undernet equipment includes access switch and terminal.

For the unicast communication service during access is netted, the main control server configuration is when time downlink communication chain of service The step of road, may comprise steps of：

Sub-step S11, the service request protocol package that main control server is initiated according to source terminal are obtained when time downlink of service Communication link information, downstream communications link information include, and participate in the downlink when time main control server of service and access switch Communication port information；

Sub-step S12, downstream communication ports information of the main control server according to control server, data packet inside it The downlink port that setting is oriented to when time data packet of service in the table of location；And the downstream communication ports according to access switch are believed Breath, to corresponding access switch sending port configuration order；

Sub-step S13, access switch according in port configuration command data packet addressed table inside it, setting when time The downlink port that the data packet of service is oriented to.

For the Multicast Communication Service (such as audio conferencing) during access is netted, main control server is obtained when under time service The step of row communication link information, can include following sub-step：

Sub-step S21, main control server obtain the service request agreement of application Multicast Communication Service that target terminal is initiated Packet, service request protocol package include the access net address of service type information, service content information and target terminal；Wherein, Service content information includes service number；

Sub-step S22, main control server according to the service number in preset content-address mapping table, extraction source The access net address of terminal；

Sub-step S23, main control server obtains the corresponding multicast address of source terminal, and distributes to target terminal；And according to According to the access net address of service type information, source terminal and target terminal, obtain when the communication link information of time multicast services.

Step 603：According to second coding/decoding information, first packets of audio data is converted into second audio data Packet.

It is described that the first packets of audio data of first coding/decoding information is converted into institute depending on networking meeting access server State the second audio data packet of the second coding/decoding information.It needs first according to the form of the packets of audio data under networking protocol First packets of audio data is parsed, extracts audio data.For example, first packets of audio data is regarding networking The form of 2001 data packets is made of depending on 2001 audio packs of networking 48 Word of regular length, wherein 32 Word are used to deposit Compressed audio data is stored up, other 16 Word compositions regard 2001 audio protocols packets of networking, wherein 2001 audio protocols packets Effective length, packet serial number, data format containing the packets of audio data after the type of networking protocol, coding etc., long form It is as follows：

The audio data extracted corresponds to the audio format and sample rate of first coding/decoding information, therefore It needs the audio data being converted into the audio format and sample rate of the second coding/decoding information, and passes through Real-time Transport Protocol and be packaged as The second audio data packet.

Step 604：Based on internet Real-time Transport Protocol, the second audio data packet is sent to the internet terminal；Institute Second audio data packet is stated to decode and play by the internet terminal.

It is described regard networking meeting access server, based on internet RTP (Real-time Transport Protocol, Real-time transport protocol) agreement, it is whole that the second audio data packet is sent to the corresponding internet of the internet terminal number End；The second audio data packet is decoded and is played by the internet terminal.

The embodiment of the present invention includes advantages below：

The embodiment of the present invention applies the characteristic regarding networking, passes through and transmits it in audio data depending on networking meeting access server Before, confirm that the first audio coding decoding information supported accordingly regarding networked terminals and the second audio of internet terminal support compile solution Code information mutual communication, ensure that the audio intercommunication between networked terminals and internet terminal, while ensure that audio quality, user's body It tests.

It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of action group It closes, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because according to According to the embodiment of the present invention, certain steps may be used other sequences or be carried out at the same time.Secondly, those skilled in the art also should Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented Necessary to example.

Embodiment two：

With reference to shown in Fig. 7, an embodiment of the present invention provides a kind of sending method regarding networked terminals audio data, the sides Method is applied to regard in networking, including step 701-713：

Step 701：It receives and is based on regarding networking Core server regarding networking protocol, by described regarding networked terminals, transmission First call request.

It is described depending on networking meeting access server receive it is described regard networked terminals be based on regarding networking protocol, pass through it is described regarding joining Net Core server, the first call request of transmission；First call request includes the first volume solution regarding networked terminals Code information, it is described regard networked terminals number, corresponding at least one internet terminal number.

Step 702：It parses first call request, obtains first coding/decoding information regarding networked terminals, described Depending on networked terminals number, corresponding at least one internet terminal number.

The networking meeting access server that regards parses first call request, and acquisition is described to regard the first of networked terminals Coding/decoding information, it is described regard networked terminals number, corresponding at least one internet terminal number.

Step 703：Based on internet H323/SIP agreements, the second call request is sent to the internet terminal；It is described Second call request includes described regarding networked terminals number.

The networking meeting access server that regards is based on a kind of internet H323 (the audio video transmission agreements of standard, by state Telecommunication standard branch office of border telecommunication union proposes, can realize and remotely bring a prisoner before the court function) and/or SIP (Session Initiation Protocol, session initiation protocol) agreement, sending the second calling to the corresponding internet terminal of the internet terminal number please It asks；Second call request regards networked terminals number described in including, and can uniquely identify described regarding networked terminals.

Step 704：The internet terminal is received for second call request, based on internet H323/SIP agreements The first call sent；First call includes the second coding/decoding information that the internet terminal is supported.

The networking meeting access server that regards receives the internet terminal for second call request, based on mutual The first call that networking H323/SIP agreements are sent；First call includes that the internet terminal is supported Two coding/decoding informations；First call can find described to regard networked terminals number pair in the internet terminal That answers regards networked terminals, and agrees to after analytical judgment in the case of audio conferencing the response made or for described The response that second call request is made automatically.

Step 705：Judge first coding/decoding information and second coding/decoding information whether intercommunication.

It is described to judge that first coding/decoding information is with second coding/decoding information depending on networking meeting access server No intercommunication；If first coding/decoding information and the second coding/decoding information intercommunication, perform step 706；It is if described First coding/decoding information and the second coding/decoding information not intercommunication, then perform step 707.

Preferably, it is described judge first coding/decoding information and second coding/decoding information whether intercommunication the step of 705 include：

Step 70501：If first coding/decoding information is consistent with second coding/decoding information, described is judged One coding/decoding information and the second coding/decoding information intercommunication.

If first coding/decoding information is consistent with second coding/decoding information, i.e., audio format is identical and sample rate Identical, then the networking meeting access server that regards judges that first coding/decoding information and second coding/decoding information are mutual It is logical, then perform step 706.

Step 70502：If first coding/decoding information and second coding/decoding information are inconsistent, further sentence Disconnected turn that first coding/decoding information and second coding/decoding information can be realized depending on networking meeting access server Code；If described can realize first coding/decoding information and second coding/decoding information depending on networking meeting access server Transcoding, then judge first coding/decoding information and the second coding/decoding information intercommunication.

If first coding/decoding information and second coding/decoding information are inconsistent, i.e., audio format differ or Sample rate differs, then it is described depending on networking meeting access server further judge it is described regard network meeting access server can Realize the transcoding of first coding/decoding information and second coding/decoding information, for example the audio data of general lossless format can To be converted into the audio data for damaging form, and the audio data for damaging form cannot be converted into the audio data of lossless format, I.e. audio data can by audio quality it is good be converted into it is ropy, but in turn audio quality difference be converted into it is high-quality , then it is difficult to realize；It is described to believe depending on networking meeting access server by searching for the different encoding and decoding that can mutually convert The table of breath judges whether first coding/decoding information and second coding/decoding information being capable of intercommunications；If described regard networking Meeting access server can realize the transcoding of first coding/decoding information and second coding/decoding information, then described in judgement First coding/decoding information and the second coding/decoding information intercommunication, then perform step 706..

Step 706：If first coding/decoding information and the second coding/decoding information intercommunication, it is based on regarding networking association View regards networking Core server by described, and confirming call request is returned to the networked terminals that regard.

It is described to regard networking meeting access clothes if first coding/decoding information and the second coding/decoding information intercommunication Device be engaged in based on networking Core server is regarded regarding networking protocol, by described, networked terminals return confirming call request is regarded to described, Notice is described can to realize intercommunication depending on networked terminals audio data by being converted, and the notice networked terminals that regard send audio number According to execution step 708 after being finished.

Step 707：If first coding/decoding information and the second coding/decoding information not intercommunication are based on regarding networking Agreement regards networking Core server, to the information that call failure is returned regarding networked terminals by described.

It is described to regard networking meeting access if first coding/decoding information and the second coding/decoding information not intercommunication Server is based on regarding networking protocol, regards networking Core server by described, call failure is returned to regarding networked terminals to described Information terminates after being finished.

Step 708：It is based on described in receiving depending on networked terminals depending on networking protocol, by regarding networking Core server, transmission First packets of audio data；First packets of audio data includes the internet terminal number.

Step 709：First packets of audio data is parsed, extracts the audio data of first coding/decoding information.

It is described to pass through the form regarding networking protocol subaudio frequency data packet, parsing described first depending on networking meeting access server Packets of audio data extracts the audio data of first coding/decoding information.

Step 710：If first coding/decoding information is consistent with second coding/decoding information, described first compiles solution The audio data of code information is determined as the audio data of second coding/decoding information.

After the step 710 is finished, step 712 is performed.

Step 711：If first coding/decoding information and second coding/decoding information are inconsistent, by described first The audio data of coding/decoding information is decoded as the first PCM data, and the first PCM data transcoding is believed for second encoding and decoding The second PCM data of corresponding sample frequency is ceased, and second PCM data is encoded to the sound of second coding/decoding information Frequency evidence.

It is described to regard networking meeting access if first coding/decoding information and second coding/decoding information are inconsistent The audio data of first coding/decoding information is decoded as the first PCM (Pulse Code Modulation, pulse by server Coded modulation) data；And judge first PCM data sample rate whether the sample rate phase with second coding/decoding information Together, if it is different, then first PCM data is carried out transcoding, PCM of the transcoding for the sample rate of second coding/decoding information Data, i.e. the second PCM data；Second PCM data is encoded to the audio of the audio format of second coding/decoding information The audio data of data, i.e. the second coding/decoding information.

For example, first coding/decoding information for regarding networked terminals is AAC (Advanced Audio Coding, advanced sound Frequency encodes) form, sample rate 32KHz；Second coding/decoding information of the internet terminal is G.711A-law form, is sampled Rate is 8KHz, and described has confirmed that first coding/decoding information is believed with second encoding and decoding depending on networking meeting access server The step of breath intercommunication, the then audio data of first coding/decoding information is converted into the audio data of second coding/decoding information Including：The first AAC audio datas are parsed from depending on networked terminals audio data；The first AAC audio datas are passed through into AAC Decoder is decoded as the first PCM audio data；The first PCM audio data sample rate is 32KHz；By the first PCM sounds Frequency is the second PCM audio data according to by pcm transcoding device transcoding；The second PCM audio data sample rate is 8KHz；By institute The second PCM audio data is stated by G.711 encoder using A-law algorithm codings as the first G.711A-law audio data；It is described First G.711A-law audio data samples rate be 8KHz.

Step 712：The audio data of second coding/decoding information is packaged as second audio data based on Real-time Transport Protocol Packet.

The audio data of second coding/decoding information is packaged by the networking meeting access server that regards based on Real-time Transport Protocol For second audio data packet.

Step 713：Based on internet Real-time Transport Protocol, the second audio data packet is sent to the internet terminal；Institute Second audio data packet is stated to decode and play by the internet terminal.

Preferably, it is described regard networked terminals and it is described regard networking meeting access server, based on depending on networking protocol, by regarding Core server of networking connects；The connection is based on described regarding the corresponding MAC Address of networked terminals number and described regarding networking meeting That discusses access server regards the corresponding MAC Address of networking number.

The embodiment of the present invention includes advantages below：

The embodiment of the present invention applies the characteristic regarding networking, passes through and transmits it in audio data depending on networking meeting access server Before, obtain what is supported accordingly regarding the first audio coding decoding information and internet terminal of networked terminals support by call request Second audio coding decoding information confirms the first audio coding decoding information and the second audio coding decoding information mutual communication, and And the audio data of the first audio coding decoding information is subjected to transcoding again by being decoded as PCM data in transmission process Mode, be converted to the audio data of the second audio coding decoding information, ensure that the sound between networked terminals and internet terminal Frequency intercommunication, while ensure that audio quality, user experience is good.

Because in the preferred embodiment of the embodiment of the present invention, to how to judge that first coding/decoding information is compiled with described second Whether intercommunication is made that restriction to decoded information so that the judgment mode is more succinct effective.

Because in the preferred embodiment of the embodiment of the present invention, depending on networking meeting access server with being depending on networked terminals server It by regarding networking Core server, is connected based on MAC Address, meets the characteristic regarding networking, connection safety.

It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of action group It closes, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because according to According to the embodiment of the present invention, certain steps may be used other sequences or be carried out at the same time.Secondly, those skilled in the art also should Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented Necessary to example.

Embodiment three：

With reference to shown in Fig. 8, an embodiment of the present invention provides a kind of sending method of internet terminal audio data, the sides Method is applied to regard in networking, including step 801-804：

Step 801：Depending on networking meeting access server confirm internet terminal third coding/decoding information, with it is corresponding extremely Few a 4th coding/decoding information intercommunication for regarding networked terminals.

With reference to the embodiment of the present invention one explanation, the internet terminal with it is corresponding it is at least one regard networked terminals between Carry out the transmission of audio data；It is described to be equivalent in networking depending on networking meeting access server according to the characteristic regarding networking One terminal, based on depending on networking protocol with it is described it is at least one depending on networked terminals by depending on networking Core server connect, building In vertical connection procedure, the meeting access server of networking that regards is received regarding the 4th coding/decoding information of networked terminals or described The 4th coding/decoding information for regarding networked terminals has been stored in advance depending on networking meeting access server, it is described in a word to regard connection Net meeting access server can know the 4th coding/decoding information regarding networked terminals, and the approach to knowing is not limited；Class As, the networking meeting access server that regards is connect, and can know institute with the internet terminal internet protocol-based State the third coding/decoding information of internet terminal；It is described to pass through analysis depending on networking meeting access server, confirm that the third is compiled Decoded information and the 4th coding/decoding information can could carry out following step after intercommunication.

Step 802：The internet terminal is received based on internet Real-time Transport Protocol, the third packets of audio data sent；It is described Third packets of audio data includes described regarding networked terminals number.

It is described regard networking meeting access server receive the internet terminal based on internet Real-time Transport Protocol, send the Three packets of audio data；The third packets of audio data includes described regarding networked terminals number.

Step 803：According to the 4th coding/decoding information, the third packets of audio data is converted into the 4th audio data Packet.

The networking meeting access server that regards turns the third packets of audio data according to the 4th coding/decoding information It is changed to the 4th packets of audio data.

Step 804：Based on depending on networking protocol, by regarding networking Core server, by the 4th packets of audio data send Networked terminals are regarded to described；4th packets of audio data is decoded and played depending on networked terminals by described.

It is described to be based on regarding networking protocol, pass through regarding Core server of networking depending on networking meeting access server, by described the Four packets of audio data are sent to described regarding networked terminals；4th packets of audio data is decoded and broadcast depending on networked terminals by described It puts.

The embodiment of the present invention includes advantages below：

The embodiment of the present invention applies the characteristic regarding networking, passes through and transmits it in audio data depending on networking meeting access server Before, confirm that the 4th audio coding decoding information supported accordingly regarding networked terminals and the third audio of internet terminal support compile solution Code information mutual communication, ensure that the audio intercommunication between networked terminals and internet terminal, while ensure that audio quality, user's body It tests.

It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of action group It closes, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because according to According to the embodiment of the present invention, certain steps may be used other sequences or be carried out at the same time.Secondly, those skilled in the art also should Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented Necessary to example.

Example IV：

With reference to shown in Fig. 9, an embodiment of the present invention provides a kind of sending method of internet terminal audio data, the sides Method is applied to regard in networking, including step 901-913：

Step 901：It receives internet terminal and is based on internet H323/SIP agreements, the third call request of transmission.

The networking meeting access server that regards receives the internet terminal based on internet H323/SIP agreements, sends Third call request, the third call request includes third coding/decoding information, the internet of the internet terminal Termination number, it is corresponding it is at least one regard networked terminals number.

Step 902：The third call request is parsed, obtains the third coding/decoding information, described of the internet terminal Internet terminal number, it is corresponding it is at least one regard networked terminals number.

The networking meeting access server that regards parses the third call request, obtains the third of the internet terminal Coding/decoding information, the internet terminal number, it is corresponding it is at least one regard networked terminals number；The third coding/decoding information Including at least audio format and sample rate.

Step 903：Based on networking Core server is regarded regarding networking protocol, by described, sent to the networked terminals that regard 4th call request；The 4th calling request bag includes the internet terminal number.

With reference to the communication means for regarding networking described in embodiment one, the networking meeting access server that regards is based on regarding connection FidonetFido, networking Core server is regarded by described, and the 4th call request is sent to the networked terminals that regard；4th calling Request includes the internet terminal number.

Step 904：The networked terminals that regard are received for the 4th call request, based on depending on networking protocol, pass through institute It states regarding networking Core server, the second call of transmission；Second call includes the networked terminals that regard and supports The 4th coding/decoding information.

The networking meeting access server that regards receives the networked terminals that regard for the 4th call request, based on regarding Networking protocol regards networking Core server, the second call of transmission by described；Second call includes described The 4th coding/decoding information supported depending on networked terminals；Second call can find institute depending on networked terminals described State the corresponding internet terminal of internet terminal number, and the sound made in the case of agreement audio conferencing after analytical judgment The response that should or be made automatically for the 4th call request.

Step 905：Judge the third coding/decoding information and the 4th coding/decoding information whether intercommunication.

It is described to judge that the third coding/decoding information is with the 4th coding/decoding information depending on networking meeting access server No intercommunication；If the third coding/decoding information and the 4th coding/decoding information intercommunication, perform step 906；It is if described Third coding/decoding information and the 4th coding/decoding information not intercommunication, then perform step 907.

Preferably, it is described judge the third coding/decoding information and the 4th coding/decoding information whether intercommunication the step of 905 include：

Step 90501：If the third coding/decoding information is consistent with the 4th coding/decoding information, described is judged One coding/decoding information and the second coding/decoding information intercommunication.

Step 90502：If the third coding/decoding information and the 4th coding/decoding information are inconsistent, further sentence Disconnected turn that the third coding/decoding information and the 4th coding/decoding information can be realized depending on networking meeting access server Code；If described can realize the third coding/decoding information and the 4th coding/decoding information depending on networking meeting access server Transcoding, then judge the third coding/decoding information and the 4th coding/decoding information intercommunication.

Step 906：If the third coding/decoding information and the 4th coding/decoding information intercommunication, based on internet H323/SIP agreements return to confirming call request to the internet terminal.

It is described to regard networking meeting access clothes if the third coding/decoding information and the 4th coding/decoding information intercommunication Device be engaged in based on internet H323/SIP agreements, returns to confirming call request to the internet terminal, notifies that the internet is whole End audio data can realize intercommunication by being converted, and the internet terminal is notified to send audio data, is held after being finished Row step 908.

Step 907：If the third coding/decoding information and the 4th coding/decoding information not intercommunication, based on internet H323/SIP agreements return to the information of call failure to the internet terminal.

It is described to regard networking meeting access if the third coding/decoding information and the 4th coding/decoding information not intercommunication Server is based on internet H323/SIP agreements, and the information of call failure is returned to the internet terminal, is tied after being finished Beam.

Step 908：The internet terminal is received based on internet Real-time Transport Protocol, the third packets of audio data sent；It is described Third packets of audio data includes described regarding networked terminals number.

Step 909：The third packets of audio data is parsed, extracts the audio data of the third coding/decoding information.

Step 910：If the third coding/decoding information is consistent with the 4th coding/decoding information, the third compiles solution The audio data of code information is determined as the audio data of the 4th coding/decoding information.

Step 911：If the third coding/decoding information and the 4th coding/decoding information are inconsistent, by the third The audio data of coding/decoding information is decoded as third PCM data, and the third PCM data transcoding is believed for the 4th encoding and decoding The 4th PCM data of corresponding sample frequency is ceased, and the 4th PCM data is encoded to the sound of the 4th coding/decoding information Frequency evidence.

Step 912：The audio data of 4th coding/decoding information is based on to be packaged as the 4th audio number depending on networking protocol According to packet.

The audio data of 4th coding/decoding information is based on regarding networking protocol by the networking meeting access server that regards The 4th packets of audio data is packaged as, such as can be packaged according to the form regarding 2001 data packets of networking.

Step 913：Based on depending on networking protocol, by regarding networking Core server, by the 4th packets of audio data send Networked terminals are regarded to described；4th packets of audio data is decoded and played depending on networked terminals by described.

Preferably, it is described regard networked terminals and it is described regard networking meeting access server, based on depending on networking protocol, by regarding Core server of networking connects；The connection is based on described regarding the corresponding MAC Address of networked terminals number and described regarding networking meeting That discusses access server regards the corresponding MAC Address of networking number.

The embodiment of the present invention includes advantages below：

The embodiment of the present invention applies the characteristic regarding networking, passes through and transmits it in audio data depending on networking meeting access server Before, obtain what is supported accordingly regarding the 4th audio coding decoding information and internet terminal of networked terminals support by call request Third audio coding decoding information confirms the 4th audio coding decoding information and the third audio coding decoding information mutual communication, and And the audio data of the third audio coding decoding information is subjected to transcoding again by being decoded as PCM data in transmission process Mode, be converted to the audio data of the 4th audio coding decoding information, ensure that the sound between networked terminals and internet terminal Frequency intercommunication, while ensure that audio quality, user experience is good.

Because in the preferred embodiment of the embodiment of the present invention, to how to judge that the third coding/decoding information is compiled with the described 4th Whether intercommunication is made that restriction to decoded information so that the judgment mode is more succinct effective.

Because in the preferred embodiment of the embodiment of the present invention, depending on networking meeting access server with being depending on networked terminals server It by regarding networking Core server, is connected based on MAC Address, meets the characteristic regarding networking, connection safety.

It should be noted that for the explanation of above-mentioned steps, the description of the embodiment of the present invention two is referred to, here no longer It is described in detail.

For embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of combination of actions, but this field Technical staff should know that the embodiment of the present invention is not limited by described sequence of movement, because implementing according to the present invention Example, certain steps may be used other sequences or are carried out at the same time.Secondly, those skilled in the art should also know, specification Described in embodiment belong to preferred embodiment, necessary to the involved action not necessarily embodiment of the present invention.

Embodiment five：

It is described an embodiment of the present invention provides a kind of transmission system regarding networked terminals audio data with reference to shown in Figure 10 System is applied to regard in networking, including：

First audio intercommunication confirms module 1001, and corresponding for confirming the first coding/decoding information regarding networked terminals Second coding/decoding information intercommunication of at least one internet terminal；

Preferably, the first audio intercommunication confirms that module 1001 includes：

First call request receiving module is based on regarding networking regarding networking protocol, by described regarding networked terminals for receiving Core server, the first call request of transmission；

First call request parsing module for parsing first call request, obtains described regarding the of networked terminals One coding/decoding information, it is described regard networked terminals number, corresponding at least one internet terminal number；

First call request sending module for being based on internet H323/SIP agreements, is sent to the internet terminal Second call request；Second call request includes described regarding networked terminals number；

Second call request receiving module for receiving the internet terminal for second call request, is based on The first call that internet H323/SIP agreements are sent；First call includes what the internet terminal was supported Second coding/decoding information；

First audio intercommunication judgment module, for judging that first coding/decoding information is with second coding/decoding information No intercommunication；

Further, the first audio intercommunication judgment module includes：

The consistent judgment module of first audio, if for first coding/decoding information and second coding/decoding information one It causes, then judges first coding/decoding information and the second coding/decoding information intercommunication；

The inconsistent judgment module of first audio, if for first coding/decoding information and second coding/decoding information It is inconsistent, then further judge that can the networking meeting access server that regard realize first coding/decoding information and described the The transcoding of two coding/decoding informations；If described can realize first coding/decoding information and institute depending on networking meeting access server The transcoding of the second coding/decoding information is stated, then judges first coding/decoding information and the second coding/decoding information intercommunication；

First audio intercommunication notification module, if mutual for first coding/decoding information and second coding/decoding information It is logical, then based on regarding networking protocol, regarding networking Core server by described, asked to the networked terminals return confirming call that regards It asks；

Further, the first audio intercommunication confirms that module 1001 further includes：

First audio intercommunication failure module, if for first coding/decoding information and second coding/decoding information not Intercommunication is then based on regarding networking protocol, regards networking Core server by described, call failure is returned to regarding networked terminals to described Information；

First audio data receipt module 1002, for receive it is described regard networked terminals based on depending on networking protocol, by regarding Networking Core server, the first packets of audio data of transmission；First packets of audio data includes the internet terminal number；

First audio data modular converter 1003, for according to second coding/decoding information, by the first audio number Second audio data packet is converted to according to packet；

Preferably, the first audio data modular converter 1003 includes:

First audio parsing module for parsing first packets of audio data, extracts first coding/decoding information Audio data；

The consistent modular converter of first audio, if for first coding/decoding information and second coding/decoding information one It causes, then the audio data of first coding/decoding information is determined as the audio data of second coding/decoding information；

The inconsistent modular converter of first audio, if for first coding/decoding information and second coding/decoding information It is inconsistent, then the audio data of first coding/decoding information is decoded as the first PCM data, first PCM data is turned Code is the second PCM data of the corresponding sample frequency of second coding/decoding information, and second PCM data is encoded to institute State the audio data of the second coding/decoding information；

First audio packetization module, for the audio data of second coding/decoding information to be packaged as based on Real-time Transport Protocol Second audio data packet；

For being based on internet Real-time Transport Protocol, the second audio data packet is sent out for first audio data sending module 1004 Give the internet terminal；The second audio data packet is decoded and is played by the internet terminal.

Preferably, it is described regard networked terminals and it is described regard networking meeting access server, based on depending on networking protocol, by regarding Core server of networking connects；The connection is based on described regarding the corresponding MAC Address of networked terminals number and described regarding networking meeting That discusses access server regards the corresponding MAC Address of networking number.

The embodiment of the present invention includes advantages below：

The embodiment of the present invention applies the characteristic regarding networking, passes through and transmits it in audio data depending on networking meeting access server Before, confirm that the first audio coding decoding information supported accordingly regarding networked terminals and the second audio of internet terminal support compile solution Code information mutual communication, ensure that the audio intercommunication between networked terminals and internet terminal, while ensure that audio quality, user's body It tests.

Because in the preferred embodiment of the present invention, the first audio supported accordingly regarding networked terminals is obtained by call request The second audio coding decoding information that coding/decoding information and internet terminal are supported so that the acquisition convenience and high-efficiency of coding/decoding information； Further, to how to judge whether intercommunication is made that restriction to first coding/decoding information with second coding/decoding information, So that the judgment mode is more succinct effective；Further, if first coding/decoding information and second encoding and decoding Information not intercommunication then sends the notice of intercommunication failure, finds failure problem as early as possible, improve the user experience of the system.

Because in the preferred embodiment of the embodiment of the present invention, by transmission process by the first audio coding decoding information Audio data, by way of being decoded as PCM data and carrying out transcoding again, be converted to the audio number of the second audio coding decoding information According to so that audio conversion is simple and efficient.

Because in the preferred embodiment of the embodiment of the present invention, depending on networking meeting access server with being depending on networked terminals server It by regarding networking Core server, is connected based on MAC Address, meets the characteristic regarding networking, connection safety.

For device embodiment, since it is basicly similar to embodiment of the method, so description is fairly simple, it is related Part illustrates referring to the part of embodiment of the method.

Embodiment six：

It is described an embodiment of the present invention provides a kind of transmission system of internet terminal audio data with reference to shown in Figure 11 System is applied to regard in networking, including：

Second audio intercommunication confirms module 1101, and corresponding for confirming the third coding/decoding information of internet terminal At least one the 4th coding/decoding information intercommunication regarding networked terminals；

Preferably, the second audio intercommunication confirms that module 1101 includes：

Third call request receiving module is based on internet H323/SIP agreements for receiving internet terminal, transmission Third call request；

Second call request parsing module for parsing the third call request, obtains the of the internet terminal Three coding/decoding informations, the internet terminal number, it is corresponding it is at least one regard networked terminals number；

Second call request sending module, for being based on regarding networking protocol, regarding networking Core server by described, to institute It states and sends the 4th call request regarding networked terminals；The 4th calling request bag includes the internet terminal number；

4th calling request receiving module for receiving the networked terminals that regard for the 4th call request, is based on Networking Core server, the second call of transmission are regarded depending on networking protocol, by described；Second call includes institute State the 4th coding/decoding information supported regarding networked terminals；

Second audio intercommunication judgment module, for judging that the third coding/decoding information is with the 4th coding/decoding information No intercommunication；

Further, the second audio intercommunication judgment module includes：

The consistent judgment module of second audio, if for the third coding/decoding information and the 4th coding/decoding information one It causes, then judges first coding/decoding information and the second coding/decoding information intercommunication.

The inconsistent judgment module of second audio, if for the third coding/decoding information and the 4th coding/decoding information It is inconsistent, then further judge that can the networking meeting access server that regard realize the third coding/decoding information and described the The transcoding of four coding/decoding informations；If described can realize the third coding/decoding information and institute depending on networking meeting access server The transcoding of the 4th coding/decoding information is stated, then judges the third coding/decoding information and the 4th coding/decoding information intercommunication；

Second audio intercommunication notification module, if mutual for the third coding/decoding information and the 4th coding/decoding information It is logical, then based on internet H323/SIP agreements, confirming call request is returned to the internet terminal；

Further, the second audio intercommunication confirms that module 1101 further includes：

Second audio intercommunication failure module, if for the third coding/decoding information and the 4th coding/decoding information not Then based on internet H323/SIP agreements, the information of call failure is returned to the internet terminal for intercommunication；

Second audio data receiving module 1102 is based on internet Real-time Transport Protocol for receiving the internet terminal, sends Third packets of audio data；The third packets of audio data includes described regarding networked terminals number；

Second audio data modular converter 1103, for according to the 4th coding/decoding information, by the third audio number The 4th packets of audio data is converted to according to packet；

Preferably, the second audio data modular converter 1103 includes:

Second audio parsing module for parsing the third packets of audio data, extracts the third coding/decoding information Audio data；

The consistent modular converter of second audio, if for the third coding/decoding information and the 4th coding/decoding information one It causes, then the audio data of the third coding/decoding information is determined as the audio data of the 4th coding/decoding information；

The inconsistent modular converter of second audio, if for the third coding/decoding information and the 4th coding/decoding information It is inconsistent, then the audio data of the third coding/decoding information is decoded as third PCM data, the third PCM data is turned Code is the 4th PCM data of the corresponding sample frequency of the 4th coding/decoding information, and the 4th PCM data is encoded to institute State the audio data of the 4th coding/decoding information；

The audio data of 4th coding/decoding information is based on being packaged as the depending on networking protocol by the second audio packetization module Four packets of audio data；

Second audio data sending module 1104, for being based on depending on networking protocol, by regarding networking Core server, by institute It states the 4th packets of audio data and is sent to and described regard networked terminals；4th packets of audio data is decoded by the networked terminals that regard And it plays.

Preferably, it is described regard networked terminals and it is described regard networking meeting access server, based on depending on networking protocol, by regarding Core server of networking connects；The connection is based on described regarding the corresponding MAC Address of networked terminals number and described regarding networking meeting That discusses access server regards the corresponding MAC Address of networking number.

The embodiment of the present invention includes advantages below：

The embodiment of the present invention applies the characteristic regarding networking, passes through and transmits it in audio data depending on networking meeting access server Before, confirm that the 4th audio coding decoding information supported accordingly regarding networked terminals and the third audio of internet terminal support compile solution Code information mutual communication, ensure that the audio intercommunication between networked terminals and internet terminal, while ensure that audio quality, user's body It tests.

Because in the preferred embodiment of the present invention, the 4th audio supported accordingly regarding networked terminals is obtained by call request The third audio coding decoding information that coding/decoding information and internet terminal are supported so that the acquisition convenience and high-efficiency of coding/decoding information； Further, to how to judge whether intercommunication is made that restriction to the 4th coding/decoding information with the third coding/decoding information, So that the judgment mode is more succinct effective；Further, if the 4th coding/decoding information and the third encoding and decoding Information not intercommunication then sends the notice of intercommunication failure, finds failure problem as early as possible, improve the user experience of the system.

Because in the preferred embodiment of the embodiment of the present invention, by transmission process by the third audio coding decoding information Audio data, by way of being decoded as PCM data and carrying out transcoding again, be converted to the audio number of the 4th audio coding decoding information According to so that audio conversion is simple and efficient.

Because in the preferred embodiment of the embodiment of the present invention, depending on networking meeting access server with being depending on networked terminals server It by regarding networking Core server, is connected based on MAC Address, meets the characteristic regarding networking, connection safety.

For device embodiment, since it is basicly similar to embodiment of the method, so description is fairly simple, it is related Part illustrates referring to the part of embodiment of the method.

Each embodiment in this specification is described by the way of progressive, the highlights of each of the examples are with The difference of other embodiment, just to refer each other for identical similar part between each embodiment.

It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, apparatus or calculate Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.

The embodiment of the present invention be with reference to according to the method for the embodiment of the present invention, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in flow and/or box combination.These can be provided Computer program instructions are set to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine so that is held by the processor of computer or other programmable data processing terminal equipments Capable instruction generation is used to implement in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes The device for the function of specifying.

These computer program instructions, which may also be stored in, can guide computer or other programmable data processing terminal equipments In the computer-readable memory to work in a specific way so that the instruction being stored in the computer-readable memory generates packet The manufacture of command device is included, which realizes in one flow of flow chart or multiple flows and/or one side of block diagram The function of being specified in frame or multiple boxes.

These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that Series of operation steps are performed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction offer performed on computer or other programmable terminal equipments is used to implement in one flow of flow chart or multiple flows And/or specified in one box of block diagram or multiple boxes function the step of.

Although the preferred embodiment of the embodiment of the present invention has been described, those skilled in the art once know base This creative concept can then make these embodiments other change and modification.So appended claims are intended to be construed to Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.

Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements are not only wrapped Those elements are included, but also including other elements that are not explicitly listed or are further included as this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, it is wanted by what sentence "including a ..." limited Element, it is not excluded that also there are other identical elements in the process including the element, method, article or terminal device.

Above to a kind of method depending on networked terminals and internet terminal audio data intercommunication provided by the present invention with being System, is described in detail, and specific case used herein is expounded the principle of the present invention and embodiment, more than The explanation of embodiment is merely used to help understand the method and its core concept of the present invention；Meanwhile for the general skill of this field Art personnel, thought according to the present invention, there will be changes in specific embodiments and applications, in conclusion this Description should not be construed as limiting the invention.

Claims (10)

1. a kind of sending method regarding networked terminals audio data, which is characterized in that the method is applied to regard in networking, packet It includes：

The first coding/decoding information regarding networked terminals is confirmed depending on networking meeting access server, with corresponding at least one internet Second coding/decoding information intercommunication of terminal；

It is based on described in receiving depending on networked terminals depending on networking protocol, by regarding networking Core server, the first audio data of transmission Packet；First packets of audio data includes the internet terminal number；

According to second coding/decoding information, first packets of audio data is converted into second audio data packet；

Based on internet Real-time Transport Protocol, the second audio data packet is sent to the internet terminal；The second audio number It decodes and plays by the internet terminal according to packet.

2. according to the method described in claim 1, it is characterized in that, the networking meeting access server that regards is confirmed regarding networking eventually The step of first coding/decoding information at end, the second coding/decoding information intercommunication with corresponding at least one internet terminal, includes：

It receives and is based on regarding networking Core server, the first call request of transmission regarding networking protocol, by described regarding networked terminals；

It parses first call request, obtains first coding/decoding information regarding networked terminals, described regards networked terminals number Code, corresponding at least one internet terminal number；

Based on internet H323/SIP agreements, the second call request is sent to the internet terminal；Second call request Networked terminals number is regarded including described；

The internet terminal is received for second call request, is exhaled based on internet H323/SIP agreements are sent first Cry response；First call includes the second coding/decoding information that the internet terminal is supported；

Judge first coding/decoding information and second coding/decoding information whether intercommunication；

If first coding/decoding information and the second coding/decoding information intercommunication, are based on regarding networking protocol, by described Depending on Core server of networking, confirming call request is returned to the networked terminals that regard.

3. according to the method described in claim 2, it is characterized in that, described judge first coding/decoding information and described second Coding/decoding information whether intercommunication the step of include：

If first coding/decoding information is consistent with second coding/decoding information, judge first coding/decoding information with The second coding/decoding information intercommunication；

If first coding/decoding information and second coding/decoding information are inconsistent, further judge described regarding networking meeting Can view access server realize the transcoding of first coding/decoding information and second coding/decoding information；If described regard connection Net meeting access server can realize the transcoding of first coding/decoding information and second coding/decoding information, then judge institute State the first coding/decoding information and the second coding/decoding information intercommunication.

4. if according to the method described in claim 2, it is characterized in that, first coding/decoding information and described second Coding/decoding information intercommunication is then based on regarding networking Core server regarding networking protocol, by described, be returned to the networked terminals that regard It is further included after the step of confirming call is asked：

If first coding/decoding information and the second coding/decoding information not intercommunication are based on regarding networking protocol, pass through institute It states regarding networking Core server, to the information that call failure is returned regarding networked terminals.

5. according to the method described in claim 1, it is characterized in that, described according to second coding/decoding information, by described One packets of audio data is converted to the step of second audio data packet and includes：

First packets of audio data is parsed, extracts the audio data of first coding/decoding information；

If first coding/decoding information is consistent with second coding/decoding information, the audio of first coding/decoding information Data are determined as the audio data of second coding/decoding information；

If first coding/decoding information and second coding/decoding information are inconsistent, by first coding/decoding information Audio data is decoded as the first PCM data, is the corresponding sampling of second coding/decoding information by the first PCM data transcoding Second PCM data of frequency, and second PCM data is encoded to the audio data of second coding/decoding information；

The audio data of second coding/decoding information is packaged as second audio data packet based on Real-time Transport Protocol.

It is 6. according to the method described in claim 1, it is characterized in that, described regarding networked terminals and described regarding networking meeting access clothes Be engaged in device, based on depending on networking protocol, by regard networking Core server connect；The connection regards networked terminals number pair based on described The MAC Address answered and it is described regard networking meeting access server regard the corresponding MAC Address of networking number.

7. a kind of sending method of internet terminal audio data, which is characterized in that the method is applied to regard in networking, packet It includes：

The third coding/decoding information of internet terminal is confirmed depending on networking meeting access server, is networked with corresponding at least one regard 4th coding/decoding information intercommunication of terminal；

The internet terminal is received based on internet Real-time Transport Protocol, the third packets of audio data sent；The third audio data Packet includes described regarding networked terminals number；

According to the 4th coding/decoding information, the third packets of audio data is converted into the 4th packets of audio data；

Based on depending on networking protocol, by regarding networking Core server, the 4th packets of audio data is sent to and described regards networking Terminal；4th packets of audio data is decoded and played depending on networked terminals by described.

8. the method according to the description of claim 7 is characterized in that the networking meeting access server that regards confirms that internet is whole The third coding/decoding information at end includes with the step of corresponding at least one the 4th coding/decoding information intercommunication depending on networked terminals：

It receives internet terminal and is based on internet H323/SIP agreements, the third call request of transmission；

The third call request is parsed, obtains the third coding/decoding information of the internet terminal, the internet terminal number Code, it is corresponding it is at least one regard networked terminals number；

Based on networking Core server is regarded regarding networking protocol, by described, the 4th call request is sent to the networked terminals that regard； The 4th calling request bag includes the internet terminal number；

The networked terminals that regard are received for the 4th call request, based on regarding networking core regarding networking protocol, by described Server, the second call of transmission；Second call includes the 4th encoding and decoding supported regarding networked terminals Information；

Judge the third coding/decoding information and the 4th coding/decoding information whether intercommunication；

If the third coding/decoding information and the 4th coding/decoding information intercommunication, based on internet H323/SIP agreements, Confirming call request is returned to the internet terminal.

9. a kind of transmission system regarding networked terminals audio data, which is characterized in that the system is applied to regard in networking, packet It includes：

First audio intercommunication confirms module, and corresponding at least one for confirming the first coding/decoding information regarding networked terminals Second coding/decoding information intercommunication of internet terminal；

First audio data receipt module, for receive it is described regard networked terminals based on depending on networking protocol, by regarding networking core Server, the first packets of audio data of transmission；First packets of audio data includes the internet terminal number；

First audio data modular converter, for according to second coding/decoding information, first packets of audio data to be converted For second audio data packet；

First audio data sending module for being based on internet Real-time Transport Protocol, the second audio data packet is sent to described Internet terminal；The second audio data packet is decoded and is played by the internet terminal.

10. a kind of transmission system of internet terminal audio data, which is characterized in that the system is applied to regard in networking, packet It includes：

Second audio intercommunication confirms module, and corresponding at least one for confirming the third coding/decoding information of internet terminal Depending on the 4th coding/decoding information intercommunication of networked terminals；

Second audio data receiving module, for receiving the internet terminal based on internet Real-time Transport Protocol, the third sound sent Frequency data packet；The third packets of audio data includes described regarding networked terminals number；

Second audio data modular converter, for according to the 4th coding/decoding information, the third packets of audio data to be converted For the 4th packets of audio data；

Second audio data sending module, for being based on depending on networking protocol, by regarding networking Core server, by the 4th sound Frequency data packet is sent to described regarding networked terminals；4th packets of audio data is decoded and played depending on networked terminals by described.