CN108234421B

CN108234421B - A kind of method and system regarding networked terminals and the intercommunication of internet terminal audio data

Info

Publication number: CN108234421B
Application number: CN201611192231.2A
Authority: CN
Inventors: 沈军; 王艳辉; 解军; 赵铎
Original assignee: Visionvera Information Technology Co Ltd
Current assignee: Hainan Shilian Communication Technology Co.,Ltd.
Priority date: 2016-12-21
Filing date: 2016-12-21
Publication date: 2019-03-01
Anticipated expiration: 2036-12-21
Also published as: CN108234421A

Abstract

The embodiment of the invention provides a kind of method and systems for regarding networked terminals and the intercommunication of internet terminal audio data, ensure that audio intercommunication between view networked terminals and internet terminal, while ensure that audio quality, user experience is good.The above method is applied to view networking, comprising: the first coding/decoding information of confirmation view networked terminals, with the second coding/decoding information intercommunication of at least one corresponding internet terminal；The first packets of audio data that view networked terminals are sent based on view networking protocol is received, 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 include: the third coding/decoding information for confirming internet terminal, with the 4th coding/decoding information intercommunication of at least one corresponding view networked terminals；Third packets of audio data of the internet terminal based on internet Real-time Transport Protocol, transmission is received, the 4th packets of audio data of the 4th coding/decoding information is converted to, and is based on being sent to view networked terminals depending on networking protocol.

Description

A kind of method and system regarding networked terminals and the intercommunication of internet terminal audio data

Technical field

The present invention relates to view networking technology fields, more particularly to a kind of view networked terminals and internet terminal audio data The method and system of intercommunication.

Background technique

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, being 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 in each terminal to audio data It realizes audio intercommunication, but encounters in the application scenarios for needing high tone quality to require, because existing between audio format for example has The case where audio data of damage format cannot be converted to the audio data of lossless format, so that cannot arbitrarily turn between audio format The case where changing, therefore cause that meeting cannot proceed normally or audio quality is very poor, causing poor user experience.

Summary of the invention

Lead to meeting because of the difference for the audio coding decoding information that each terminal is supported when in view of above-mentioned meeting in the prior art When view the problem of audio not intercommunication, the embodiment of the present invention is proposed in order to provide one kind and overcomes the above problem or at least partly The method and system of a kind of view networked terminals and the intercommunication of internet terminal audio data that solve the above problems.

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

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

It receives the view networked terminals and is based on view networking protocol, by view 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 in view networking, comprising:

Depending on the third coding/decoding information of networking meeting access server confirmation internet terminal, at least one corresponding view 4th coding/decoding information intercommunication of networked terminals；

Receive third packets of audio data of the internet terminal based on internet Real-time Transport Protocol, transmission；The third audio Data packet includes the view 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 view networking protocol, pass through view networking Core server, the 4th packets of audio data is sent to the view Networked terminals；4th packets of audio data is decoded and is played depending on networked terminals by described.

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

First audio intercommunication confirmation module, for confirm view 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 view networking protocol, by view networking for receiving the view networked terminals Core server, the first packets of audio data of transmission；First packets of audio data includes the internet terminal number；

First audio data conversion module is used for according to second coding/decoding information, by first packets of audio data Be converted to second audio data packet；

The second audio data packet is sent to by the first audio data sending module for being based on internet Real-time Transport Protocol 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 view In networking, comprising:

Second audio intercommunication confirmation module, for confirming the third coding/decoding information of internet terminal, with it is corresponding at least 4th coding/decoding information intercommunication of one view 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 the view networked terminals number；

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

The embodiment of the present invention includes following advantages:

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

Detailed description of the invention

Fig. 1 is a kind of networking schematic diagram of view networking of the invention；

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

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

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

Fig. 5 a is the schematic diagram of technical solution of the embodiment of the present invention；

Fig. 5 b is another schematic diagram of technical solution of the embodiment of the present invention；

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

Fig. 7 is the flow chart of the sending method of another view 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 of the transmission system for view 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, with reference to the accompanying drawing 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 be realized HD video real-time Transmission, Push numerous Internet applications to HD video, high definition is face-to-face.

Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service 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 request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or Computer realizes that high-definition quality video plays.

Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:

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

Network technology (Network Technology)

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

Switching technology (Switching Technology)

Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.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 be realized at present mutually The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network 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, single network layer energy Enough transmitted comprising signaling and data.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 Using state-of-the-art real time operating system, 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 typical time 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 the internet ad eundem IP, but The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.

Network security technology (Network Security Technology)

Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black The attack of visitor and virus, structural carefree secure network is provided for user.

It services innovative technology (Service Innovation Technology)

Business and transmission are fused together 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 programming, considerably less code, which can be used, can be realized complicated application, 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, being 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 (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 it can connect Ethernet.

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 (part in virtual coil), and multiple unified videos are flat Platform can form view 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: server depending on the equipment in networking, interchanger (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.

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

The specific hardware structure of each access network equipment are as follows:

Node server:

As shown in Fig. 2, mainly including 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 look into the operation of address table 205 to the packet come in, 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 is close It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including The operation 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 including 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 enters 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, It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 204 is come in enters switching engine Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet； If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with 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:

If the queue is that downstream network interface is gone 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 greater than zero；3) token that rate control module generates is obtained；

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

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

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

Ethernet association turns gateway:

As shown in figure 4, mainly including 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 adding module 409, MAC removing module 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 Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet 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 module 410 (2byte), and enter corresponding receive and cache, otherwise abandon；

Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze 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:

It 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 constituted.

2, networking data package definition is regarded

2.1 access network data package definitions

Access net data packet mainly include 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 indicates 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 as destination address (DA)；

Reserve bytes are made of 2 bytes；

The part payload has different length according to the type of different datagrams, is if it is various protocol packages 64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；

CRC is made of 4 bytes, and calculation method follows 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 It can all can exceed that 2 kinds 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 uniquely, to close to accurately describe the connection between metropolitan area network equipment System, introduces parameter in embodiments of the present invention: label, uniquely to describe 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 equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into 0x0001.The networking process 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 be all to be dominated by metropolitan area server, node switch, node server be all passively execute, 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 format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position Set is between the reserve bytes and payload of data packet.

Based on the above-mentioned characteristic of view networking, the signal of the technical solution of the embodiment of the present invention referring to shown in Fig. 5 a and Fig. 5 b Figure, proposes one of the core concepts of the embodiments of the present invention, it then follows the agreement for regarding networking is existed by view networking meeting access server Before audio data transmission, confirm that the first audio coding decoding information of corresponding view networked terminals support 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 view networked terminals and internet terminal respectively depending on networking protocol module and Internet protocol module The instruction comprising corresponding coding/decoding information sent, obtains corresponding coding/decoding information.

Embodiment one:

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

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

The transmitting of audio data is carried out between the view networked terminals and at least one corresponding internet terminal；According to view The characteristic of networking, it is described depending on networking meeting access server be equivalent to view networking in a terminal, based on view networking protocol with The view networked terminals are by view networking Core server connection, in establishing connection procedure, the view networking meeting access clothes Business device receive view networked terminals the first coding/decoding information or it is described depending on network meeting access server stored in advance The first coding/decoding information of the view networked terminals, the view networking meeting access server can know that view networking is whole in a word First coding/decoding information at end, and with no restrictions to the approach known；Similar, the view networking meeting access server and institute The connection of at least one internet terminal internet protocol-based is stated, and can know the second of at least one view 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 just can be carried out following step after intercommunication, because can guarantee described to be sent to depending on networked terminals in this way The audio data of at least one internet terminal can be by view networking meeting access server conversion, so that the internet Terminal can interpret the audio data and play；First coding/decoding information is the audio number that the view networked terminals are supported According to coding/decoding information, include 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 includes at least corresponding audio format and sample rate.

Step 602: it receives the view networked terminals and is based on view 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 depending on networking meeting access server receive it is described view networked terminals be based on view networking protocol, pass through regard network core 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 for the object that first packets of audio data needs to send；The internet terminal number and the internet terminal one are a pair of It answers, and corresponds 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, including main control server (is implemented in the present invention In example, be equivalent to the view and network Core server) and undernet equipment, the undernet equipment include terminal (in this hair In bright embodiment, be equivalent to the view networked terminals and the view networking meeting access server), depending on networking core idea it One is, by notifying switching equipment to match table for time downstream communications link of service is worked as by main control server, is then based on this The table of configuration carries out the transmission of data packet.

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

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

It is taken what source terminal (in the step 602 of the embodiment of the present invention, being equivalent to the view networked terminals) sent when secondary 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 In view networking meeting access server).

In embodiments of the present invention, it includes: notice when the downlink of secondary service is logical that time downstream communications link of service is worked as in configuration Believe that switching equipment involved in link matches table；

It furthermore, include: the configured table of inquiry according to downstream communications link transmission, switching equipment is received to institute 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 realize the communication in view networking using the above-mentioned core idea with table-table.

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

For the unicast communication service in access net, 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 participating in when time downlink of the 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 believe according to the downstream communication ports of access switch 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) in access net, main control server is obtained when under time service The step of row communication link information may include following sub-step:

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

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, the communication link information when time multicast services is obtained.

Step 603: according to second coding/decoding information, first packets of audio data being 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 format of the packets of audio data under the view networking protocol First packets of audio data is parsed, audio data is extracted.For example, first packets of audio data is view networking The format of 2001 data packets is made of depending on 2001 audio packs of networking 48 Word of regular length, wherein 32 Word are for depositing Store up compressed audio data, other 16 Word composition view, 2001 audio protocols packets of networking, wherein 2001 audio protocols packets The type of networking protocol containing view, the effective length of the packets of audio data after coding, packet serial number, data format 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 to convert the audio data to the audio format and sample rate of the second coding/decoding information, and is packaged as by Real-time Transport Protocol The second audio data packet.

Step 604: being based on internet Real-time Transport Protocol, the second audio data packet is sent to the internet terminal；Institute It states second audio data packet and decodes and play by the internet terminal.

The view is networked 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 following advantages:

It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented Necessary to example.

Embodiment two:

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

Step 701: reception view networked terminals are based on view networking protocol, pass through view networking Core server, transmission First call request.

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

Step 702: parsing first call request obtains the first coding/decoding information, described of the view networked terminals Depending on networked terminals number, at least one corresponding internet terminal number.

The view networking meeting access server parses first call request, obtains the first of the view networked terminals Coding/decoding information, the view networked terminals number, at least one corresponding internet terminal number.

Step 703: being based on internet H323/SIP agreement, Xiang Suoshu internet terminal sends the second call request；It is described Second call request includes the view networked terminals number.

The view networking meeting access server is based on a kind of internet H323 (audio video transmission agreement of standard, by state Telecommunication standard branch office, border telecommunication union proposes, can be realized and remotely brings a prisoner before the court function) and/or SIP (Session Initiation Protocol, session initiation protocol) agreement, the corresponding internet terminal transmission second of Xiang Suoshu internet terminal number, which calls, asks It asks；Second call request includes the view networked terminals number, can uniquely identify the view networked terminals.

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

The view networking meeting access server receives the internet terminal and is directed to second call request, based on mutual The first call that H323/SIP agreement of networking is sent；First call includes that the internet terminal is supported Two coding/decoding informations；First call, which can be, finds the view networked terminals number pair in the internet terminal The view networked terminals answered, and the response made in the case where agreement audio conferencing after analytical judgment, are also possible to 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, then follow the steps 706；If described First coding/decoding information and the second coding/decoding information not intercommunication, then follow the steps 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, determining described 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 view networking meeting access server determines that first coding/decoding information and second coding/decoding information are mutual It is logical, then follow the steps 706.

Step 70502: if first coding/decoding information and second coding/decoding information are inconsistent, further sentencing Can break turn that first coding/decoding information and second coding/decoding information are realized depending on networking meeting access server Code；If described can be realized first coding/decoding information and second coding/decoding information depending on networking meeting access server Transcoding, then determine 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 it is not identical or Sample rate is not identical, then it is described depending on networking meeting access server further judge it is described view network meeting access server can Realize the transcoding of first coding/decoding information Yu second coding/decoding information, for example the audio data of general lossless format can The audio data for damaging the audio data of format to be converted into, and damaging format 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 the view networking Meeting access server can be realized the transcoding of first coding/decoding information Yu second coding/decoding information, then described in judgement First coding/decoding information and the second coding/decoding information intercommunication, then follow the steps 706.

Step 706: if first coding/decoding information and the second coding/decoding information intercommunication, based on view networking association View, Core server of being networked by the view, return to confirming call request to the view networked terminals.

If first coding/decoding information and the second coding/decoding information intercommunication, the view networking meeting access clothes Device be engaged in based on regarding networking protocol, passing through view networking Core server, returns to confirming call to the view networked terminals and requests, Notify it is described can realize intercommunication by being converted depending on networked terminals audio data, notify the view networked terminals to 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, based on view networking Agreement returns to the information of call failure to the view networked terminals by view networking Core server.

If first coding/decoding information and the second coding/decoding information not intercommunication, the view networking meeting access Server is based on view networking protocol, by view networking Core server, returns to call failure to the view networked terminals Information terminates after being finished.

Step 708: it receives the view networked terminals and is based on view 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: parsing first packets of audio data extracts the audio data of first coding/decoding information.

The format for passing through view networking protocol subaudio frequency data packet depending on networking meeting access server, parsing described first 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 executed.

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, is second encoding and decoding letter by the first PCM data transcoding 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.

If first coding/decoding information and second coding/decoding information are inconsistent, the view networking meeting access 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, transcoding is the PCM of 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 Data, the i.e. audio data of the second coding/decoding information.

For example, first coding/decoding information for regarding networked terminals is AAC (Advanced Audio Coding, advanced sound Frequency encodes) format, sample rate 32KHz；Second coding/decoding information of the internet terminal is G.711A-law format, sampling Rate is 8KHz, and described has confirmed that first coding/decoding information and second encoding and decoding are believed 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 It include: to parse the first AAC audio data from depending on networked terminals audio data；The first AAC audio data is 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 sound 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 It is the first G.711A-law audio data with A-law algorithm coding that the second PCM audio data, which is stated, by G.711 encoder；It is described First G.711A-law audio data samples rate be 8KHz.

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

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

Step 713: being based on internet Real-time Transport Protocol, the second audio data packet is sent to the internet terminal；Institute It states second audio data packet and decodes and play by the internet terminal.

Preferably, the view networked terminals and the view are networked meeting access server, based on depending on networking protocol, pass through view Core server of networking connects；The connection is based on the corresponding MAC Address of the view networked terminals number and view networking meeting Discuss the corresponding MAC Address of view networking number of access server.

The embodiment of the present invention includes following advantages:

The characteristic of application view networking of the embodiment of the present invention, passes through and transmits it in audio data depending on networking meeting access server Before, obtain what the first audio coding decoding information and internet terminal that view networked terminals are supported accordingly were supported 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 by the audio data of the first audio coding decoding information in transmission process, transcoding is carried out again by being decoded as PCM data Mode, be converted to the audio data of the second audio coding decoding information, ensure that view networked terminals and internet terminal between sound 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 judging that first coding/decoding information and described second compiles 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, being with depending on networked terminals server depending on networking meeting access server By view networking Core server, is connected based on MAC Address, meet the characteristic of view networking, connect safety.

Embodiment three:

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

Step 801: view networking meeting access server confirmation internet terminal third coding/decoding information, with it is corresponding extremely 4th coding/decoding information intercommunication of few view networked terminals.

Referring to the explanation of the embodiment of the present invention one, between the internet terminal and at least one corresponding view networked terminals Carry out the transmitting of audio data；It is described to be equivalent in view networking depending on networking meeting access server according to the characteristic of view networking One terminal, based on view networking protocol with it is described at least one depending on networked terminals by depending on network Core server connect, building It is described that the 4th coding/decoding information for regarding networked terminals or described is received depending on networking meeting access server in vertical connection procedure The 4th coding/decoding information of the view networked terminals is stored in advance depending on networking meeting access server, in a word the view connection Net meeting access server can know the 4th coding/decoding information of view networked terminals, and with no restrictions to the approach known；Class As, the view networking meeting access server is connect with the internet terminal internet protocol-based, and can know institute 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 just can be carried out following step after intercommunication.

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

It is described depending on 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 the view networked terminals number.

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

The view networking meeting access server 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: Core server of being networked based on view networking protocol, by view is sent the 4th packets of audio data To the view networked terminals；4th packets of audio data is decoded and is played depending on networked terminals by described.

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

The embodiment of the present invention includes following advantages:

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

Example IV:

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

Step 901: receiving internet terminal and be based on internet H323/SIP agreement, the third call request of transmission.

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

Step 902: parsing the third call request, obtain the third coding/decoding information, described of the internet terminal Internet terminal number, at least one corresponding view networked terminals number.

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

Step 903: Core server of being networked based on view networking protocol, by the view is sent to the view networked terminals 4th call request；The 4th calling request packet includes the internet terminal number.

The communication means of networking is regarded referring to described in embodiment one, the view networking meeting access server is based on view connection FidonetFido sends the 4th call request to the view networked terminals by view networking Core server；4th calling Request includes the internet terminal number.

Step 904: receive the view networked terminals for the 4th call request, based on depending on networking protocol, pass through institute State view networking Core server, the second call of transmission；Second call includes that the view networked terminals are supported The 4th coding/decoding information.

The view networking meeting access server receives the view networked terminals and is directed to the 4th call request, based on view Networking protocol, Core server of being networked by the view, the second call of transmission；Second call includes described The 4th coding/decoding information supported depending on networked terminals；Second call, which can be, finds institute depending on networked terminals described The sound made in the case where stating the corresponding internet terminal of internet terminal number, and agree to audio conferencing after analytical judgment It answers, is also possible to the response 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, then follow the steps 906；If described Third coding/decoding information and the 4th coding/decoding information not intercommunication, then follow the steps 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, determining described 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 sentencing Can break turn that the third coding/decoding information and the 4th coding/decoding information are realized depending on networking meeting access server Code；If described can be realized the third coding/decoding information and the 4th coding/decoding information depending on networking meeting access server Transcoding, then determine 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, being based on internet H323/SIP agreement, Xiang Suoshu internet terminal return to confirming call request.

If the third coding/decoding information and the 4th coding/decoding information intercommunication, the view networking meeting access clothes Device be engaged in based on internet H323/SIP agreement, Xiang Suoshu internet terminal returns to confirming call request, notifies that the internet is whole End audio data can realize intercommunication by being converted, and notify the internet terminal to send audio data, hold after being finished Row step 908.

Step 907: if the third coding/decoding information and the 4th coding/decoding information not intercommunication, being based on internet H323/SIP agreement, Xiang Suoshu internet terminal return to the information of call failure.

If the third coding/decoding information and the 4th coding/decoding information not intercommunication, the view networking meeting access Server is based on internet H323/SIP agreement, and Xiang Suoshu internet terminal returns to the information of call failure, ties after being finished Beam.

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

Step 909: parsing the third packets of audio data, extract 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, is the 4th encoding and decoding letter by the third PCM data transcoding 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 the 4th coding/decoding information being 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 view networking protocol by the view networking meeting access server It is packaged as the 4th packets of audio data, such as can be packaged according to the format of view 2001 data packets of networking.

Step 913: Core server of being networked based on view networking protocol, by view is sent the 4th packets of audio data To the view networked terminals；4th packets of audio data is decoded and is played depending on networked terminals by described.

The embodiment of the present invention includes following advantages:

The characteristic of application view networking of the embodiment of the present invention, passes through and transmits it in audio data depending on networking meeting access server Before, obtain what the 4th audio coding decoding information and internet terminal that view networked terminals are supported accordingly were supported 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 by the audio data of the third audio coding decoding information in transmission process, transcoding is carried out again by being decoded as PCM data Mode, be converted to the audio data of the 4th audio coding decoding information, ensure that view networked terminals and internet terminal between sound 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 judging that the third coding/decoding information and the described 4th compiles Whether intercommunication is made that restriction to decoded information, so that the judgment mode is more succinct effective.

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

For embodiment of the method, for simple description, therefore, it is stated as a series of action combinations, but this field Technical staff should be aware of, and embodiment of that present invention are not limited by the describe sequence of actions, because implementing according to the present invention Example, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know that, specification Described in embodiment belong to preferred embodiment, the actions involved are not necessarily necessary for embodiments of the present invention.

Embodiment five:

It is described the embodiment of the invention provides a kind of transmission system for regarding networked terminals audio data referring to Fig.1 shown in 0 System is applied in view networking, comprising:

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

Preferably, the first audio intercommunication confirmation module 1001 includes:

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

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

First call request sending module, for being based on internet H323/SIP agreement, Xiang Suoshu internet terminal is sent Second call request；Second call request includes the view networked terminals number；

Second call request receiving module is based on for receiving the internet terminal for second call request The first call that internet H323/SIP agreement is 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 determines 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 described to realize first coding/decoding information and described the depending on networking meeting access server The transcoding of two coding/decoding informations；If described can be realized first coding/decoding information and institute depending on networking meeting access server The transcoding of the second coding/decoding information is stated, then determines 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 Lead to, then Core server of networking based on view networking protocol, by the view, is asked to described depending on networked terminals return confirming call It asks；

Further, the first audio intercommunication confirmation module 1001 further include:

First audio intercommunication failure module, if not for first coding/decoding information and second coding/decoding information Intercommunication, by view networking Core server, returns to call failure to the view networked terminals then based on view networking protocol Information；

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

First audio data conversion module 1003 is used 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 conversion module 1003 includes:

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

The consistent conversion module 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 conversion module 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；

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

The embodiment of the present invention includes following advantages:

Because in preferred embodiment of the invention, obtaining the first audio that corresponding view networked terminals are supported 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 judging 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 be converted to the audio number of the second audio coding decoding information by way of being decoded as PCM data and carrying out transcoding again According to so that audio conversion is simple and efficient.

For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple Place illustrates referring to the part of embodiment of the method.

Embodiment six:

It is described the embodiment of the invention provides a kind of transmission system of internet terminal audio data referring to Fig.1 shown in 1 System is applied in view networking, comprising:

Second audio intercommunication confirmation module 1101, it is and corresponding for confirming the third coding/decoding information of internet terminal 4th coding/decoding information intercommunication of at least one view networked terminals；

Preferably, the second audio intercommunication confirmation module 1101 includes:

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

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

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

4th calling request receiving module is based on for receiving the view networked terminals for the 4th call request Depending on networking protocol, pass through view networking Core server, the second call of transmission；Second call includes institute State the 4th coding/decoding information that view networked terminals are supported；

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 determines 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 described to realize the third coding/decoding information and described the depending on networking meeting access server The transcoding of four coding/decoding informations；If described can be realized the third coding/decoding information and institute depending on networking meeting access server The transcoding of the 4th coding/decoding information is stated, then determines 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 it is based on internet H323/SIP agreement, Xiang Suoshu internet terminal returns to confirming call request；

Further, the second audio intercommunication confirmation module 1101 further include:

Second audio intercommunication failure module, if not for the third coding/decoding information and the 4th coding/decoding information Intercommunication, then be based on internet H323/SIP agreement, and Xiang Suoshu internet terminal returns to the information of call failure；

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 the view networked terminals number；

Second audio data conversion module 1103 is used 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 conversion module 1103 includes:

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

The consistent conversion module 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 conversion module 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 view networking protocol, passing through view networking Core server, by institute It states the 4th packets of audio data and is sent to the view networked terminals；4th packets of audio data is decoded by the view networked terminals And it plays.

The embodiment of the present invention includes following advantages:

Because in preferred embodiment of the invention, obtaining the 4th audio that corresponding view networked terminals are supported 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 judging 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 be converted to the audio number of the 4th audio coding decoding information by way of being decoded as PCM data and carrying out transcoding again According to so that audio conversion is simple and efficient.

All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.

It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide 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 referring 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 process and/or box combination.It can provide these Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of specified function.

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

These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.

Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as 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, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.

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

Claims

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

Depending on the first coding/decoding information of networking meeting access server confirmation view networked terminals, at least one corresponding internet Second coding/decoding information intercommunication of terminal；The intercommunication includes: that first coding/decoding information and the second coding/decoding information are consistent, Or turn that can be realized first coding/decoding information and second coding/decoding information depending on networking meeting access server Code；

It receives the view networked terminals and is based on view networking protocol, by view networking Core server, the first audio data of transmission Packet；First packets of audio data includes the internet terminal number；

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；

It is described view networking meeting access server confirmation view networked terminals the first coding/decoding information, with it is corresponding at least one mutually The step of second coding/decoding information intercommunication of networked terminals includes:

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

First call request is parsed, the first coding/decoding information, the view networked terminals number of the view networked terminals are obtained Code, at least one corresponding internet terminal number；

Based on internet H323/SIP agreement, Xiang Suoshu internet terminal sends the second call request；Second call request Including the view networked terminals number；

The internet terminal is received for second call request, is exhaled based on internet H323/SIP agreement is 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, based on view networking protocol, by described Depending on Core server of networking, confirming call request is returned to the view networked terminals.

2. the method according to claim 1, wherein judgement 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, determine first coding/decoding information with The second coding/decoding information intercommunication；

If first coding/decoding information and second coding/decoding information are inconsistent, the view networking meeting is further judged Can view access server realize the transcoding of first coding/decoding information Yu second coding/decoding information；If the view connection Net meeting access server can be realized the transcoding of first coding/decoding information Yu second coding/decoding information, then determines institute State the first coding/decoding information and the second coding/decoding information intercommunication.

3. if the method according to claim 1, wherein first coding/decoding information and described second Coding/decoding information intercommunication, then Core server of being networked based on view networking protocol, by the view, is returned to the view networked terminals After the step of confirming call is requested further include:

If first coding/decoding information and the second coding/decoding information not intercommunication, based on view networking protocol, pass through institute View networking Core server is stated, the information of call failure is returned to the view networked terminals.

4. the method according to claim 1, wherein 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, the audio data of first coding/decoding information is extracted；

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 based on Real-time Transport Protocol and is packaged as second audio data packet.

5. the method according to claim 1, wherein the view networked terminals and view networking meeting access clothes Business device, Core server connection of networking based on view networking protocol, by view；The connection is based on the view networked terminals number pair The corresponding MAC Address of the view networking number of the MAC Address and the view networking meeting access server answered.

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

Depending on the third coding/decoding information of networking meeting access server confirmation internet terminal, network at least one corresponding view 4th coding/decoding information intercommunication of terminal；The intercommunication includes: that the third coding/decoding information and the 4th coding/decoding information are consistent, Or turn that can be realized the third coding/decoding information and the 4th coding/decoding information depending on networking meeting access server Code；

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

The third coding/decoding information of the view networking meeting access server confirmation internet terminal, at least one corresponding view The step of 4th coding/decoding information intercommunication of networked terminals includes:

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

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

Based on view networking protocol, pass through view networking Core server, sends the 4th call request to the view networked terminals；It is described 4th calling request packet includes the internet terminal number；

The view networked terminals are received for the 4th call request, based on view networking protocol, pass through view networking core Server, the second call of transmission；Second call includes the 4th encoding and decoding that the view networked terminals are supported 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 are based on internet H323/SIP agreement, Confirming call request is returned to the internet terminal.

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

First audio intercommunication confirmation module, for confirm view networked terminals the first coding/decoding information, with it is corresponding at least one Second coding/decoding information intercommunication of internet terminal；The intercommunication includes: first coding/decoding information and the second encoding and decoding letter Breath is consistent, or can be realized first coding/decoding information and second coding/decoding information depending on networking meeting access server Transcoding；

First audio data receipt module is based on view networking protocol, by view networking core for receiving the view networked terminals Server, the first packets of audio data of transmission；First packets of audio data includes the internet terminal number；

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

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

The first audio intercommunication confirmation module includes:

First call request receiving module is based on view networking protocol, by view networking kernel service for receiving view networked terminals Device, the first call request of transmission；

First call request parsing module, for parsing first call request, obtain the view networked terminals first is compiled Decoded information, the view networked terminals number, at least one corresponding internet terminal number；

First call request sending module, for being based on internet H323/SIP agreement, Xiang Suoshu internet terminal sends second Call request；Second call request includes the view networked terminals number；

Second call request receiving module, for receiving the internet terminal for second call request, based on interconnection Net the first call that H323/SIP agreement is sent；First call includes second that the internet terminal is supported Coding/decoding information；

First audio intercommunication judgment module, for judging whether first coding/decoding information and second coding/decoding information are mutual It is logical；

First audio intercommunication notification module, if for first coding/decoding information and the second coding/decoding information intercommunication, Then based on view networking protocol, by view networking Core server, confirming call request is returned to the view networked terminals.

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

Second audio intercommunication confirmation module, for confirming the third coding/decoding information of internet terminal, with it is corresponding at least one Depending on the 4th coding/decoding information intercommunication of networked terminals；The intercommunication includes: the third coding/decoding information and the 4th encoding and decoding letter Breath is consistent, or can be realized the third coding/decoding information and the 4th coding/decoding information depending on networking meeting access server Transcoding；

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

Second audio data conversion module, 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 view networking protocol, passing through view networking Core server, by the 4th sound Frequency data packet is sent to the view networked terminals；4th packets of audio data is decoded and is played depending on networked terminals by described:

The second audio intercommunication confirmation module includes:

Third call request receiving module is based on internet H323/SIP agreement, the third of transmission for receiving internet terminal Call request；

Second call request parsing module, for parsing the third call request, the third for obtaining the internet terminal is compiled Decoded information, the internet terminal number, at least one corresponding view networked terminals number；

Second call request sending module, for being networked to the view based on regarding networking protocol, passing through view networking Core server Terminal sends the 4th call request；The 4th calling request packet includes the internet terminal number；

4th calling request receiving module, for receiving the view networked terminals for the 4th call request, based on view connection FidonetFido, Core server of being networked by the view, the second call of transmission；Second call includes the view The 4th coding/decoding information that networked terminals are supported；

Second audio intercommunication judgment module, for judging whether the third coding/decoding information and the 4th coding/decoding information are mutual It is logical；

Second audio intercommunication notification module, if for the third coding/decoding information and the 4th coding/decoding information intercommunication, It is then based on internet H323/SIP agreement, Xiang Suoshu internet terminal returns to confirming call request.