CN107659902A - The phone system and method for network audio mixing - Google Patents

Abstract

The invention discloses a kind of phone system and method for network audio mixing.Wherein, the phone system includes：Mission critical PoC server MCPTT server, for controlling mission critical PTT terminal MCPTT Client user model of speaking more, and the maximum that is obtained according to configuration management server it is parallel say customer parameter group is exhaled in and meanwhile that is talked say that number of users is controlled, wherein, speak more user model, for supporting multiple users in calling procedure while talking, and listen user at the same hear it is multiple say user talk；Mission critical PTT terminal MCPTT Client, for carrying out medium surface data transfer by MCPTT server.The present invention is solved because MCPTT technologies in the prior art are only capable of supporting the function that synchronization single user is talked under half-duplex mode, therefore can not meet the technical problem of voice call requirement in the following railway communication that is proposed in FRMCS.

Description

The phone system and method for network audio mixing

Technical field

The present invention relates to communication technology application field, in particular to a kind of phone system and method for network audio mixing.

Background technology

To meet requirement of the public safety to wide-band mobile communication, third generation partner program (3^rd Generation Partnership Project, abbreviation 3GPP) in Release13 introduce mission critical PTT (Mission Critical Push To Talk, abbreviation MCPTT) support of the technology realization to the voice communication of public safety communication field.MCPTT supports half pair Work talking mode and the group seized with right of speech are exhaled and individual calling call function.

On the other hand, in terms of railway communication, following Railroad Communication System (Future Railway Mobile Communication System, abbreviation FRMCS) demand to following railway communication is proposed, including to right of speech Demand of the multi-user of control in parallel through function.

As shown in figure 1, Fig. 1 is the system architecture diagram of MCPTT in the prior art, in existing MCPTT group callings, with for the moment Right of speech (Floor) can be allocated by carving an only user, and right of speech user also referred to as says that user (talker) can talk, remaining User is as listening the speech of user (listener) dialogue right user to be listened to for group.When right of speech changes, original say is used Family is changed into listening user, right of speech be awarded it is new say user, the new speech for saying user is listened user to listen in all groups.

But existing MCPTT technologies are only capable of supporting the function that synchronization single user is talked under half-duplex mode, therefore not Voice call requirement in the following railway communication that is proposed in FRMCS can be met.

For above-mentioned because MCPTT technologies in the prior art are only capable of supporting that synchronization single user is talked under half-duplex mode Function, therefore the problem of voice call requirement in the following railway communication that is proposed in FRMCS can not be met, not yet propose at present Effective solution.

The content of the invention

The embodiments of the invention provide a kind of phone system and method for network audio mixing, at least to solve due to prior art Middle MCPTT technologies are only capable of supporting the function that synchronization single user is talked under half-duplex mode, therefore can not meet to carry in FRMCS The technical problem of voice call requirement in the following railway communication gone out.

One side according to embodiments of the present invention, there is provided a kind of phone system of network audio mixing, including：Mission critical PoC server MCPTT server, for control mission critical PTT terminal MCPTT Client it is more-say user's mould Formula, and the maximum that is obtained according to configuration management server it is parallel say customer parameter group is exhaled in and meanwhile that is talked say number of users Amount is controlled, wherein, it is more-to say user model, for supporting multiple users in calling procedure while talking, and listen user same When hear it is multiple say user talk；Mission critical PTT terminal MCPTT Client, for being carried out by MCPTT server Medium surface data transfer.

Optionally, MCPTT server, for initiating multi-user's dial-up mistake in mission critical PTT user terminal In the case of journey, the user configuration information that MCPTT Client are sent is received, MCPTT is judged according to user configuration information Client whether allow initiate it is more-say user's group call；And the group identification in user configuration information determines MCPTT Target MCPTT Client corresponding to Client；To target MCPTT Client forwardings MCPTT Client send it is more-say user Group call request message；And to MCPTT Client return target MCPTT Client feedback it is more-say user's group close-talking response Message；Wherein, MCPTT Client send it is more-say that user's group call request message includes：MCPTT Client1 itself branch Hold audio mixing ability information, or required audio mixing pattern information；Audio mixing pattern in audio mixing pattern information includes：End side audio mixing and Network side audio mixing.

Optionally, MCPTT server, for initiating multi-user's dial-up mistake in mission critical PTT user terminal In the case of journey, if MCPTT server locally do not store the affiliated groups of target MCPTT Client corresponding to MCPTT Client The configuration information of mark, then by the configuration information for interacting acquisition group identification with group management service device, wherein, configuration information Including：It is more-to say the parallel spoken user number configuration information of maximum that user's group is conversed；Wherein, MCPTT server are according to MCPTT Client audio mixing ability, and default system configuration rule, judge network side audio mixing pattern corresponding to use.

Optionally, MCPTT server, for initiating multi-user's dial-up mistake in mission critical PTT user terminal In the case of journey, if MCPTT Client to receive it is more-say user's group converse other MCPTT Client information confirm, Then other MCPTT Client information are sent to MCPTT Client.

Optionally, MCPTT Client, for initiating multi-user's dial-up mistake in mission critical PTT user terminal In the case of journey, initiate to the affiliated groups of target MCPTT Client it is more-say user's group converse, to MCPTT server send It is more-to say user's group call request message, receive MCPTT server forwardings target MCPTT Client feedbacks it is more-say user Group close-talking response message；Wherein, it is more-to say that user's group call request message includes：The affiliated group identifications of target MCPTT Client； Or, in the case that MCPTT Client require right of speech, carry implicit right of speech request instruction.

Optionally, MCPTT server, lead to for calling application programming interface API to initiate multi-user in external system In the case of talking about calling procedure, application layer is used to identify if external system is called, according to application layer identity map to right The mission critical PTT groups of users mark answered；Identified according to mission critical PTT groups of users and determine target critical task PTT user's group, and to target critical task PTT user's group send it is more-say user's group call request message, reception target Mission critical PTT user's group return it is more-say user's group close-talking response message, with cause target critical task PTT use Medium surface data transfer is carried out by MCPTT server between MCPTT Client in the group of family；Returned to external system multi-purpose Family voice group call service, which is established, completes information；Wherein, MCPTT server are according to being pre-configured with using network side audio mixing pattern, and by net Network side audio mixing pattern is sent to the MCPTT Client in target critical task PTT user's group.

Optionally, MCPTT server, in the case of asking right of speech in user, judge whether right of speech number of users is big In or equal to default maximum parallel spoken user quantity；In the case where judged result is no, MCPTT server award for user Right of speech is given, and right of speech occupied information is notified into all right of speech participants；MCPTT server are by sound mixing function to from multiple Say user and listen the voice of user to carry out audio mixing and medium surface distribution processor.

Further, optionally, in the case where MCPTT server include right of speech control server, right of speech control service Device, if being the free time for current right of speech state, and MCPTT Client right of speech request is received, then judged whether to MCPTT Client authorizes right of speech；In the case where the judgment result is yes, right of speech assignment messages are sent to MCPTT Client；And to other Right of speech participant sends right of speech and takes message；The medium surface data forwarding that MCPTT Client are sent to other rights of speech is participated in Person.

Optionally, right of speech control server, for obtaining right of speech in MCPTT Client, and during being talked, In the case of the right of speech request for receiving the first MCPTT Client transmissions, judge whether to authorize words to the first MCPTT Client Power；In the case where the judgment result is yes, right of speech assignment messages are sent to the first MCPTT Client, and is participated in other rights of speech Person sends right of speech and takes message；Stereo process is carried out to the first MCPTT Client and MCPTT Client medium surface data, And the medium surface data after stereo process are sent to the participant that right of speech is not awarded.

Optionally, whether right of speech control server is big according to right of speech number is authorized during asking right of speech in user In or equal to default maximum parallel spoken user quantity, judge whether to authorize right of speech to MCPTT Client.

Optionally, right of speech assignment messages include：Right of speech holding time parameter.

Optionally, right of speech takes message and included：The current user list information for taking right of speech.

Optionally, MCPTT server include right of speech control server in the case of, right of speech control server, for During first MCPTT Client distribute right of speech and talked, in the case of the 2nd MCPTT Client request speeches, Receive the right of speech request of the 2nd MCPTT Client transmissions；Judge whether current right of speech occupant quantity is preset maximum value, and Judge whether the first MCPTT Client right of speech being transferred to the 2nd MCPTT according to the priority of current right of speech holder Client；In the case where being judged as YES, right of speech revocation instruction is sent to the first MCPTT Client, to the 2nd MCPTT Client sends right of speech assignment messages, and sends right of speech to all right of speech participants and take configured information；By the 2nd MCPTT The medium surface data that Client is sent carry out stereo process and are forwarded to other right of speech participants；Wherein, if the first MCPTT Client priority is less than the 2nd MCPTT Client, and the first MCPTT Client are obtained in the 2nd MCPTT Client and talked about Re-request right of speech after power, then refuse the right of speech request that the first MCPTT Client are sent.

Optionally, MCPTT server include right of speech control server in the case of, right of speech control server, for In the case of maximum says that number of users configuration changes parallel, and the number of users of present parallel speech is exhaled more than or equal to current group When calling the maximum concurrent user number allowed, set according to the priority of user, low priority user is preferentially discharged, if user Priority it is identical, then randomly choose user carry out right of speech release.

Optionally, MCPTT server be used for listen user send multimedia broadcast multi-broadcasting business transmission notice message；Connect The enhanced multimedia broadcast multicast service listening state report of user's transmission is listened to, and is disappeared to listening user's return group to map transmission Breath；Message bearing is transmitted by enhanced multimedia broadcast multicast service eMBMS and listens transmission of the user to downstream media face data； Wherein, multimedia broadcast multi-broadcasting business transmission notice message includes：Temporary Mobile Group Identity and service and information；Multimedia broadcasting The report of multicast service listening state includes：To the monitor report of enhanced multimedia broadcast multicast service transmission；Group mapping transmission Message includes：Carry the map information that media flow to the transmission of enhanced multimedia broadcast multicast service.

Another aspect according to embodiments of the present invention, a kind of call method of network audio mixing is additionally provided, including：Key is appointed Business PoC server MCPTT server control mission critical PTT terminal MCPTT Client it is more-say user model； Maximum that MCPTT server obtain according to configuration management server is parallel say customer parameter group is exhaled in and meanwhile talked Say that number of users is controlled, wherein, it is more-to say user model, for supporting multiple users in calling procedure while talking, and Listen user and meanwhile hear it is multiple say user talk.

Optionally, this method also includes：MCPTT server are in mission critical PTT user terminal MCPTT Client In the case of initiating multi-user's dial-up process, the user configuration information that MCPTT Client are sent is received；Matched somebody with somebody according to user Confidence breath judge MCPTT Client whether allow initiate it is more-say user's group call；Group's mark in user configuration information Know and determine target MCPTT Client corresponding to MCPTT Client；To target MCPTT Client forwarding MCPTT Client hairs Send it is more-say user's group call request message；To MCPTT Client return target MCPTT Client feedback it is more-say user's group Close-talking response message；Wherein, MCPTT Client send it is more-say that user's group call request message includes：MCPTT Client1 Itself support audio mixing ability information, or required audio mixing pattern information；Audio mixing pattern in audio mixing pattern information includes：Terminal Side audio mixing and network side audio mixing.

Further, optionally, according to user configuration information judge MCPTT Client whether allow initiate it is more-say use Before the group call of family, this method includes：If MCPTT server locally do not store target MCPTT corresponding to MCPTT Client The configuration information of the affiliated group identifications of Client, then by obtaining group identification with interacting for group management service device and matching somebody with somebody confidence Breath, wherein, configuration information includes：It is more-to say the parallel spoken user number configuration information of maximum that user's group is conversed；Wherein, MCPTT Server according to MCPTT client audio mixing ability, and default system configuration rule, judge to use corresponding to network side Audio mixing pattern.

Optionally, to MCPTT Client return target MCPTT Client feedback it is more-say user's group close-talking response Before message, this method also includes：If MCPTT Client to receive it is more-say user's group call other MCPTT Client letter Breath is confirmed, then is sent other MCPTT Client information to MCPTT Client.

Optionally, this method also includes：MCPTT server call application programming interface API to initiate in external system In the case of multi-user's dial-up process, use application layer to identify if external system is called, identified according to application layer Mission critical PTT groups of users mark corresponding to mapping to；Identified according to mission critical PTT groups of users and determine target Mission critical PTT user's group, and to target critical task PTT user's group send it is more-say user's group call request message； Receive that target critical task PTT user's group returns it is more-say user's group close-talking response message, to cause target critical task Medium surface data transfer is carried out by MCPTT server between MCPTT Client in PTT user's group；To external system Returning to multi-user voice group exhales foundation to complete information；Wherein, MCPTT server are according to being pre-configured with using network side audio mixing mould Formula, and network side audio mixing pattern is sent to the MCPTT Client in target critical task PTT user's group.

Optionally, this method also includes：MCPTT server judge right of speech number of users in the case where user asks right of speech Whether amount is more than or equal to default maximum parallel spoken user quantity；MCPTT server in judged result in the case of no, MCPTT server are that user authorizes right of speech, and right of speech occupied information is notified into all right of speech participants；MCPTT server lead to Sound mixing function is crossed to carrying out audio mixing and medium surface distribution processor from multiple voices said user and listen user.

Further, optionally, this method also includes：Include the situation of right of speech control server in MCPTT server Under, if current right of speech state is the free time, and right of speech control server receives MCPTT Client right of speech request, then judges whether Right of speech is authorized to MCPTT Client；In the case where the judgment result is yes, right of speech assignment messages are sent to MCPTT Client； And send right of speech to other rights of speech participant and take message；By the medium surface data forwarding that MCPTT Client are sent to other words Weigh participant.

Optionally, right of speech control server obtains right of speech in MCPTT Client, and during being talked, and receives the In the case of the right of speech request that one MCPTT Client are sent, judge whether to authorize right of speech to the first MCPTT Client；Sentencing In the case that disconnected result is is, right of speech assignment messages are sent to the first MCPTT Client, and send to other rights of speech participant Right of speech takes message；Stereo process is carried out to the first MCPTT Client and MCPTT Client medium surface data, and will be mixed Medium surface data after sound processing are sent to the participant that right of speech is not awarded.

Optionally, judge whether that authorizing right of speech to MCPTT Client includes：Right of speech controls server to ask to talk about in user During power, according to authorizing whether right of speech number is more than or equal to default maximum parallel spoken user quantity, judge whether pair MCPTT Client authorize right of speech.

Optionally, right of speech assignment messages include：Right of speech holding time parameter.

Optionally, right of speech takes message and included：The current user list information for taking right of speech.

Optionally, this method also includes：In the case where MCPTT server include right of speech control server, right of speech control Server, during the first MCPTT Client distribute right of speech and are talked, the 2nd MCPTT Client request speeches In the case of, receive the right of speech request that the 2nd MCPTT Client are sent；Judge whether current right of speech occupant quantity is default Maximum, and judge whether the first MCPTT Client right of speech being transferred to second according to the priority of current right of speech holder MCPTT Client；In the case where being judged as YES, right of speech revocation instruction is sent to the first MCPTT Client, to second MCPTT Client send right of speech assignment messages, and send right of speech to all right of speech participants and take configured information；By second The medium surface data that MCPTT Client are sent carry out stereo process and are forwarded to other right of speech participants；Wherein, if the first MCPTT Client priority is less than the 2nd MCPTT Client, and the first MCPTT Client are obtained in the 2nd MCPTT Client and talked about Re-request right of speech after power, then refuse the right of speech request that the first MCPTT Client are sent.

Optionally, this method also includes：In the case where MCPTT server include right of speech control server, right of speech control Server, in the case of maximum says that number of users configuration changes parallel, and the number of users of present parallel speech is more than or waited When the maximum concurrent user number that current group calling allows, set according to the priority of user, the preferential low priority that discharges is used Family, if the priority of user is identical, random selection user carries out right of speech release.

Optionally, MCPTT server to listen user send multimedia broadcast multi-broadcasting business transmission notice message；Reception is listened The enhanced multimedia broadcast multicast service listening state report that user sends, and transmit message to listening user's return group to map； Message bearing is transmitted by enhanced multimedia broadcast multicast service eMBMS and listens transmission of the user to downstream media face data；Its In, multimedia broadcast multi-broadcasting business transmission notice message includes：Temporary Mobile Group Identity and service and information；Multimedia broadcasting is more Broadcasting SM service monitoring state report includes：To the monitor report of enhanced multimedia broadcast multicast service transmission；Group mapping transmission disappears Breath includes：Carry the map information that media flow to the transmission of enhanced multimedia broadcast multicast service.

In embodiments of the present invention, by mission critical PoC server MCPTT server, for controlling crucial appoint Business PTT terminal MCPTT Client it is more-say user model, and maximum said parallel according to what configuration management server obtained During customer parameter is exhaled group while that is talked says that number of users is controlled, wherein, it is more-to say user model, for calling During support multiple users while talk, and listen user while hear and multiple say that user talks；Mission critical PTT is whole MCPTT Client are held, for carrying out medium surface data transfer by MCPTT server, has reached satisfaction and has supported network audio mixing The purpose of parallel multi-user's communicating tech, it is achieved thereby that meet the technique effect of voice communication demand, and then solve due to MCPTT technologies are only capable of supporting the function that synchronization single user is talked under half-duplex mode in the prior art, therefore can not meet The technical problem of voice call requirement in the following railway communication proposed in FRMCS.

Brief description of the drawings

Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the system architecture diagram of MCPTT in the prior art；

Fig. 2 is the structural representation of the phone system of network audio mixing according to embodiments of the present invention；

Fig. 2 a are a kind of structural representations of the phone system of network audio mixing according to embodiments of the present invention；

Fig. 3 be network audio mixing according to embodiments of the present invention phone system in the flow of multi-user's dial-up process show It is intended to；

Fig. 4 be network audio mixing according to embodiments of the present invention phone system in network initiate multi-user's dial-up build The schematic flow sheet of vertical process；

Fig. 5 be network audio mixing according to embodiments of the present invention phone system in user ask the flow of process of right of speech to be shown It is intended to；

Fig. 6 be network audio mixing according to embodiments of the present invention phone system in terminal initiate right of speech seize flow signal Figure；

Fig. 7 be network audio mixing according to embodiments of the present invention phone system in network initiate right of speech release flow show It is intended to；

Fig. 8 be network audio mixing according to embodiments of the present invention phone system in network by eMBMS modes to Listerners sends the schematic flow sheet of medium surface data；

Fig. 9 is the structural representation of the call method of network audio mixing according to embodiments of the present invention.

Embodiment

In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects Enclose.

It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product Or the intrinsic other steps of equipment or unit.

The technical term that the application is related to：

Enhanced multimedia broadcast multicast service, evolved multimedia broadcast multicast Service, abbreviation eMBMS；

Long Term Evolution, long term evolution, abbreviation LTE；

Following Railway Mobile Radio system, Future Railway Mobile Communication System, referred to as FRMCS；

Third generation partner program, 3rd Generation Partnership Project, abbreviation 3GPP；

Mission critical PTT, Mission Critical Push To Talk, abbreviation MCPTT；

Configuration management server, Configuration Management Server；

Group management service device, Group Management Server；

Right of speech controls server, floor control server.

Embodiment one

According to embodiments of the present invention, there is provided a kind of phone system embodiment of network audio mixing is, it is necessary to illustrate, attached The step of flow of figure illustrates can perform in the computer system of such as one group computer executable instructions, though also, So logical order is shown in flow charts, but in some cases, can be with different from shown by order execution herein Or the step of description.

Fig. 2 is the structural representation of the phone system of network audio mixing according to embodiments of the present invention, as shown in Fig. 2 the net The phone system of network audio mixing includes：

Mission critical PoC server MCPTT server21, for controlling mission critical PTT terminal MCPTT Client it is more-say user model, and the maximum obtained according to configuration management server is parallel says that customer parameter is same in exhaling group Shi Jinhang speeches say that number of users is controlled, wherein, it is more-to say user model, for supporting multiple users in calling procedure Talk simultaneously, and listen user at the same hear it is multiple say user talk；Mission critical PTT terminal MCPTT Client22, use In pass through MCPTT server carry out medium surface data transfer.

Specifically, the application provide network audio mixing phone system under existing MCPTT systemic-functions, by right MCPTT server21 strengthen, and realize the control to the parallel speech of multi-user, and increasing audio mixing on MCPTT server21 Functional module, user talker is said according to the attribute of receiving terminal or listens user listener to realize the matchmaker to parallel multi-user Honorable data carry out stereo process.

Wherein, the phone system for the network audio mixing that the application provides goes for following Railroad Communication System (Future Railway Mobile Communication System, abbreviation FRMCS), MCPTT server21 Call- Control1s work(here Can, including MCPTT server21 control whether to open it is more-say user's multi-talker patterns, and by MCPTT Server21 according to the parallel talker parameters pair of the maximum obtained from Configuration Management Server can group exhale In the talker quantity that can be talked simultaneously be controlled.

Increase and decrease Media Mixer functions in MCPTT server medium surface processing functions, middle member type is exhaled according to group Mixing operation is carried out, is transmitted to and each says that user Talker remaining all voice for saying user Talkers in addition to itself are mixed Audio medium stream after sound；And for all tins of user listener, after all voices for saying user Talkers of forwarding carry out audio mixings Audio medium stream.Specifically as shown in Figure 2 a, Fig. 2 a are a kind of knots of the phone system of network audio mixing according to embodiments of the present invention Structure schematic diagram.

In embodiments of the present invention, by mission critical PoC server MCPTT server, for controlling crucial appoint Business PTT terminal MCPTT Client it is more-say user model, and maximum said parallel according to what configuration management server obtained During customer parameter is exhaled group while that is talked says that number of users is controlled, wherein, it is more-to say user model, for calling During support multiple users while talk, and listen user while hear and multiple say that user talks；Mission critical PTT is whole MCPTT Client are held, for carrying out medium surface data transfer by MCPTT server, has reached satisfaction and has supported network audio mixing The purpose of parallel multi-user's communicating tech, it is achieved thereby that meet the technique effect of voice communication demand, and then solve due to MCPTT technologies are only capable of supporting the function that synchronization single user is talked under half-duplex mode in the prior art, therefore can not meet The technical problem of voice call requirement in the following railway communication proposed in FRMCS.

Based on above-mentioned, the phone system for the network audio mixing that the application provides is realized by implementation below：

Mode one：Multi-user's dial-up process that terminal is initiated

Optionally, MCPTT server, for initiating multi-user's dial-up mistake in mission critical PTT user terminal In the case of journey, the user configuration information that MCPTT Client are sent is received, MCPTT is judged according to user configuration information Client whether allow initiate it is more-say user's group call；And the group identification in user configuration information determines MCPTT Target MCPTT Client corresponding to Client；To target MCPTT Client forwardings MCPTT Client send it is more-say user Group call request message；And to MCPTT Client return target MCPTT Client feedback it is more-say user's group close-talking response Message；Wherein, MCPTT Client send it is more-say that user's group call request message includes：MCPTT Client1 itself branch Hold audio mixing ability information, or required audio mixing pattern information；Audio mixing pattern in audio mixing pattern information includes：End side audio mixing and Network side audio mixing.

Optionally, MCPTT server, for initiating multi-user's dial-up mistake in mission critical PTT user terminal In the case of journey, if MCPTT server locally do not store the affiliated groups of target MCPTT Client corresponding to MCPTT Client The configuration information of mark, then by the configuration information for interacting acquisition group identification with group management service device, wherein, configuration information Including：It is more-to say the parallel spoken user number configuration information of maximum that user's group is conversed；Wherein, MCPTT server are according to MCPTT Client audio mixing ability, and default system configuration rule, judge network side audio mixing pattern corresponding to use.

Optionally, MCPTT server, for initiating multi-user's dial-up mistake in mission critical PTT user terminal In the case of journey, if MCPTT Client to receive it is more-say user's group converse other MCPTT Client information confirm, Then other MCPTT Client information are sent to MCPTT Client.

Optionally, MCPTT Client, for initiating multi-user's dial-up mistake in mission critical PTT user terminal In the case of journey, initiate to the affiliated groups of target MCPTT Client it is more-say user's group converse, to MCPTT server send It is more-to say user's group call request message, receive MCPTT server forwardings target MCPTT Client feedbacks it is more-say user Group close-talking response message；Wherein, it is more-to say that user's group call request message includes：The affiliated group identifications of target MCPTT Client； Or, in the case that MCPTT Client require right of speech, carry implicit right of speech request instruction.

Specifically, as shown in figure 3, Fig. 3 be network audio mixing according to embodiments of the present invention phone system in multi-user lead to The schematic flow sheet of calling procedure is talked about, multi-user's dial-up process that terminal is initiated is specific as follows：

To support multi-talker functions, it is necessary to select to support network audio mixing and the MCPTT server of media forwarding to carry For servicing, MCPTT server obtain maximum multi-talker configuration informations in addition.

Step 1：MCPTT Client1 to initiate for specific group it is more-say user's group call multi-talker Group call, target group are indicated by group identification MCPTT group ID.

Step 2：MCPTT Client1 to MCPTT server send it is more-say user's group call request message m ulti- Talker group call request message, wherein target MCPTT group id informations are carried, if MCPTT Client1 requires right of speech, then the message carries implicit right of speech request instruction.In addition, itself is supported audio mixing by MCPTT Client1 Ability information, or (audio mixing pattern includes end side audio mixing and network side audio mixing two by the audio mixing pattern information for itself wishing to use Kind pattern) notice MCPTT server.

Step 3：According to MCPTT client1 user configuration information, MCPTT server judge that MCPTT client1 are It is no to allow to initiate multi-talker group call.In addition if MCPTT server are locally directed to target without preservation MCPTT group ID configuration information, then MCPTT server with interacting for Group Management Server by obtaining Configuration information information must be organized, including in multi-talker group call configuration items, including multi-talker The group call parallel spoken user number configuration information of maximum.According to MCPTT client audio mixing abilities, and system configuration Rule, MCPTT server determine to use network side audio mixing pattern.

Step 4：Target MCPTT clients are determined according to MCPTT group ID, MCPTT server, and sent out to target Send multi-talker group call request messages.MCPTT user is notified multi-talker group call information. And the audio mixing pattern information for using this calling is sent to MCPTT clients.

Step 5：If MCPTT client receive multi-talker group call request (MCPTT client energy Enough support network audio mixing pattern), then MCPTT client send multi-talker group call to MCPTT server and rung Answer message.

Step 6：MCPTT server send multi-talker group call response messages to MCPTT client1. And the audio mixing pattern information for using this calling is sent to MCPTT client.

Step 7：If MCPTT client1 need other MCPTT to receiving multi-talker group call Client information is confirmed that then other MCPTT client information are sent to MCPTT client1 by MCPTT server.

Step 8：MCPTT client1, client2 establish medium surface with MCPTT server respectively.

Mode two：Multi-user's dial-up that network is initiated establishes process

Optionally, MCPTT server, lead to for calling application programming interface API to initiate multi-user in external system In the case of talking about calling procedure, application layer is used to identify if external system is called, according to application layer identity map to right The mission critical PTT groups of users mark answered；Identified according to mission critical PTT groups of users and determine target critical task PTT user's group, and to target critical task PTT user's group send it is more-say user's group call request message, reception target Mission critical PTT user's group return it is more-say user's group close-talking response message, with cause target critical task PTT use Medium surface data transfer is carried out by MCPTT server between MCPTT Client in the group of family；Returned to external system multi-purpose Family voice group call service, which is established, completes information；Wherein, MCPTT server are according to being pre-configured with using network side audio mixing pattern, and by net Network side audio mixing pattern is sent to the MCPTT Client in target critical task PTT user's group.

Specifically, as shown in figure 4, Fig. 4 be network audio mixing according to embodiments of the present invention phone system in network initiate Multi-user's dial-up establish the schematic flow sheet of process, it is specific such as that multi-user's dial-up that network is initiated establishes process Under：

MCPTT server are called for external system and are provided standard api interface, external callers (such as FRMCS application layers System) established by the triggering MCPTT server initiation multi-user voice calls of standard api interface.

Step 1：External callers trigger MCPTT server by standard api interface and initiate multi-user voice call foundation Process.

Step 2：Application layer Application layer ID, MCPTT are used when if external callers call Server completes Application layer ID to MCPTT Group ID mapping.

Step 3：According to MCPTT client1 user configuration information, MCPTT server judge that MCPTT client1 are It is no to allow to initiate multi-talker group call.In addition if MCPTT server are locally directed to target complex without preservation Group identifies MCPTT group ID configuration information, then MCPTT server pass through with Group Management Server's Interaction acquisition group configuration information information, including in multi-talker group call configuration items, including multi- The talker group call parallel spoken user number configuration information of maximum.Determine to adopt according to MCPTT server are pre-configured with With network audio mixing pattern.

Step 4：MCPTT group ID, MCPTT server are identified according to mission critical PTT groups of users and determine mesh Mark MCPTT clients, and to target send it is more-say user's group call request message m ulti-talker group call ask Seek message.MCPTT user is notified multi-talker group call information.And the audio mixing pattern for using this calling Information is sent to MCPTT clients.

Step 5：If MCPTT client receive multi-talker group call request (MCPTT client energy Enough support network audio mixing pattern), then MCPTT client send multi-talker group call to MCPTT server and rung Answer message.

Step 6：MCPTT client1, client2 establish medium surface with MCPTT server respectively.

Step 7：MCPTT server notify external callers' multi-user voice group to exhale foundation to complete information.

Mode three：User asks the process of right of speech

Optionally, MCPTT server, in the case of asking right of speech in user, judge whether right of speech number of users is big In or equal to default maximum parallel spoken user quantity；In the case where judged result is no, MCPTT server award for user Right of speech is given, and right of speech occupied information is notified into all right of speech participants；MCPTT server are by sound mixing function to from multiple Say user and listen the voice of user to carry out audio mixing and medium surface distribution processor.

Further, optionally, in the case where MCPTT server include right of speech control server, right of speech control service Device, if being the free time for current right of speech state, and MCPTT Client right of speech request is received, then judged whether to MCPTT Client authorizes right of speech；In the case where the judgment result is yes, right of speech assignment messages are sent to MCPTT Client；And to other Right of speech participant sends right of speech and takes message；The medium surface data forwarding that MCPTT Client are sent to other rights of speech is participated in Person.

Optionally, right of speech control server, for obtaining right of speech in MCPTT Client, and during being talked, In the case of the right of speech request for receiving the first MCPTT Client transmissions, judge whether to authorize words to the first MCPTT Client Power；In the case where the judgment result is yes, right of speech assignment messages are sent to the first MCPTT Client, and is participated in other rights of speech Person sends right of speech and takes message；Stereo process is carried out to the first MCPTT Client and MCPTT Client medium surface data, And the medium surface data after stereo process are sent to the participant that right of speech is not awarded.

Optionally, whether right of speech control server is big according to right of speech number is authorized during asking right of speech in user In or equal to default maximum parallel spoken user quantity, judge whether to authorize right of speech to MCPTT Client.

Optionally, right of speech assignment messages include：Right of speech holding time parameter.

Optionally, right of speech takes message and included：The current user list information for taking right of speech.

Specifically, as shown in figure 5, Fig. 5 be network audio mixing according to embodiments of the present invention phone system in user ask The schematic flow sheet of the process of right of speech, user ask the process of right of speech specific as follows：

During user asks right of speech, MCPTT server judge whether right of speech number of users exceedes maximum parallel speech and use Amount amount limits, and MCPTT server are that user authorizes right of speech if being not above, and right of speech is taken into user list information Notify all right of speech participants.MCPTT server sound mixing function be responsible for carrying out the voice from multiple talkers audio mixing and Medium surface distribution processor.

Step 1：Right of speech control is established between right of speech participant and right of speech control server, current right of speech state is the free time.

Step 2：Right of speech participant A will talk.

Step 3：Right of speech participant A sends right of speech request to right of speech control server.

Step 4：Right of speech controls server to include whether that authorizing right of speech number exceedes to that whether can authorize right of speech and judge Maximum talker numbers limitation.

Step 5a：Right of speech controls server to send right of speech distribution Floor grant message to right of speech participant A, wherein wrapping Include right of speech holding time parameter.

Step 5b：Right of speech controls server to send right of speech to other rights of speech participant and takes floor taken message, wherein Carry the current user list information for taking right of speech.

Step 6a：Right of speech distribution information is indicated to user corresponding to right of speech participant A.

Step 6b：Current right of speech occupancy situation information is indicated to user corresponding to other rights of speech participant.

Step 7：Medium surface data are sent to Floor control server from participant A, then by Floor control Server gives medium surface data distribution to its right of speech participant.

Step 8：Right of speech participant B will talk.

Step 9：Right of speech participant B sends right of speech request to right of speech control server.

Step 10：Right of speech controls server to include whether that authorizing right of speech number surpasses to that whether can authorize right of speech and judge Cross maximum talker numbers limitation.If it is not above maximum talker numbers limitation right of speech to control server by right of speech while authorize words Weigh participant B.

Step 11a：Right of speech controls server to send right of speech distribution Floor grant message to right of speech participant B, wherein wrapping Include right of speech holding time parameter.

Step 11b：Right of speech controls server to send right of speech to other rights of speech participant and takes floor taken message, its The middle user list information for carrying the current occupancy right of speech after updating.

Step 12a：Right of speech distribution information is indicated to user corresponding to right of speech participant B.

Step 12b：Current right of speech occupancy situation information is indicated to user corresponding to other rights of speech participant.

Step 13：Medium surface data are sent to right of speech control server Floor control server from participant B, by The media data for not needing stereo process participant B in participant A is forwarded directly to participant A.

Step 14：Floor control server from participant A and participant B voice to carrying out stereo process.

Step 15：Floor control server by the rear medium surface data of audio mixing be sent to institute either with or without be awarded words The participant of power, example participant C.

Mode four：Terminal is initiated right of speech and seized

Optionally, MCPTT server include right of speech control server in the case of, right of speech control server, for During first MCPTT Client distribute right of speech and talked, in the case of the 2nd MCPTT Client request speeches, Receive the right of speech request of the 2nd MCPTT Client transmissions；Judge whether current right of speech occupant quantity is preset maximum value, and Judge whether the first MCPTT Client right of speech being transferred to the 2nd MCPTT according to the priority of current right of speech holder Client；In the case where being judged as YES, right of speech revocation instruction is sent to the first MCPTT Client, to the 2nd MCPTT Client sends right of speech assignment messages, and sends right of speech to all right of speech participants and take configured information；By the 2nd MCPTT The medium surface data that Client is sent carry out stereo process and are forwarded to other right of speech participants；Wherein, if the first MCPTT Client priority is less than the 2nd MCPTT Client, and the first MCPTT Client are obtained in the 2nd MCPTT Client and talked about Re-request right of speech after power, then refuse the right of speech request that the first MCPTT Client are sent.

Specifically, as shown in fig. 6, Fig. 6 be network audio mixing according to embodiments of the present invention phone system in terminal initiate The schematic flow sheet that right of speech is seized, it is specific as follows that terminal initiates right of speech preemption processes：

Right of speech request right of speech is initiated in high-priority users, causes the number of users that present parallel is talked to be exhaled more than current group The maximum concurrent user number allowed is called, triggering network initiates the right of speech release process for specific user.Network is according to user Priority set, preferentially discharge low priority user, if the priority of user is identical, network randomly choose a user Carry out right of speech release.If initiating the terminal PRI that right of speech is seized is not higher than any user for having taken right of speech, can be straight Connect and break off relations the right to apply for words.

Step 1：Right of speech participant B is assigned right of speech and talked.

Step 2：Right of speech participant A will talk.

Step 3：Right of speech participant A sends right of speech request to right of speech control server.

Step 4：Right of speech server judges that current right of speech occupant number reaches maximum, is taken according to current right of speech Priority, right of speech server determine release speech right participant B right of speech, and authorize right of speech to right of speech participant A.Right of speech control clothes Business device sends right of speech revocation instruction to right of speech participant B.

Step 5：Right of speech revocation information is indicated to user corresponding to right of speech participant B.

Step 6：Right of speech controls server to send right of speech distribution Floor grant message, right of speech control to right of speech participant A Server sends right of speech to all right of speech participants and takes configured information.

Step 7：User corresponding to right of speech occupant A is instructed to right of speech and authorized.After other right of speech participants are instructed to renewal Right of speech occupant's information.

Step 8：Medium surface data are sent to right of speech control server by right of speech occupant A, and right of speech control server is carried out Stereo process, and medium surface data are sent to other users.

Step 9：Right of speech participant B wishes to talk.

Step 10：Right of speech participant B sends right of speech request to right of speech control server.

Step 11：Right of speech server judges that current right of speech occupant number reaches maximum, is taken according to current right of speech Priority, right of speech server determines refusal right of speech participant B right of speech request.

Step 12：Right of speech server sends right of speech refuse information to right of speech participant B.

Step 13：Right of speech participant B notice user's speech privilege request refusals.

Mode five：The right of speech release that network is initiated

Optionally, MCPTT server include right of speech control server in the case of, right of speech control server, for In the case of maximum says that number of users configuration changes parallel, and the number of users of present parallel speech is exhaled more than or equal to current group When calling the maximum concurrent user number allowed, set according to the priority of user, low priority user is preferentially discharged, if user Priority it is identical, then randomly choose user carry out right of speech release.

Specifically, as shown in fig. 7, Fig. 7 be network audio mixing according to embodiments of the present invention phone system in network initiate Right of speech release schematic flow sheet, network initiate right of speech release it is specific as follows：

In the case of maximum parallel Talker numbers configuration changes, cause the number of users of present parallel speech to exceed and work as The maximum concurrent user number that preceding group calling allows, network are set according to the priority of user, preferentially discharge low priority user, If the priority of user is identical, network random selection user carries out right of speech release.

Step 1：After group exhales foundation, right of speech is granted right of speech participant A and right of speech participant B.Right of speech participant A and B Respective medium surface data are sent to MCPTT server respectively.

Step 2：Maximum parallel talker numbers change, and cause MCPTT server to discharge part right of speech participant's Right of speech.

Step 3：Release speech right participant B right of speech is determined according to the condition MCPTT such as priority server.

Step 4：Right of speech controls server to send right of speech revocation instruction to right of speech participant B.

Step 5：Right of speech revocation information is indicated to user corresponding to right of speech participant B.

Step 6：Right of speech controls server to send right of speech to all right of speech participants and takes configured information.

Step 7：Right of speech participant is instructed to right of speech occupant's information after renewal.

Step 8：Right of speech occupant A continues medium surface data being sent to MCPTT server, and right of speech participant B stops Medium surface data are sent to MCPTT server.

Step 9：Right of speech participant B wishes to talk.

Step 10：Right of speech participant B sends right of speech request to right of speech control server.

Step 11：Right of speech server judges that current right of speech occupant number reaches maximum, is taken according to current right of speech Priority, right of speech server determines refusal right of speech participant B right of speech request.

Step 12：Right of speech server sends right of speech refuse information to right of speech participant B.

Step 13：Right of speech participant B notice user's speech privilege request refusals.

Mode six：Network sends medium surface data by eMBMS modes to Listerners

Optionally, MCPTT server be used for listen user send multimedia broadcast multi-broadcasting business transmission notice message；Connect The enhanced multimedia broadcast multicast service listening state report of user's transmission is listened to, and is disappeared to listening user's return group to map transmission Breath；Message bearing is transmitted by enhanced multimedia broadcast multicast service eMBMS and listens transmission of the user to downstream media face data； Wherein, multimedia broadcast multi-broadcasting business transmission notice message includes：Temporary Mobile Group Identity and service and information；Multimedia broadcasting The report of multicast service listening state includes：To the monitor report of enhanced multimedia broadcast multicast service transmission；Group mapping transmission Message includes：Carry the map information that media flow to the transmission of enhanced multimedia broadcast multicast service.

Specifically, as shown in figure 8, Fig. 8 be network audio mixing according to embodiments of the present invention phone system in network pass through EMBMS modes send the schematic flow sheet of medium surface data to Listerners, and network is by eMBMS modes to Listerners It is specific as follows to send medium surface data：

Step 1：MCPTT server determine that activation MBMS carries the biography for Listeners to downstream media face data It is defeated.

Step 2：MCPTT server send MBMS bearer announcement message to Listeners and carried, The configuration parameters such as MBMS bearer configuration information, including TMGI, service region information.

Step 3：MCPTT client as Listeners preserve TMGI (Temporary Mobile Group Identity), coverage etc. MBMS bearer configuration parameter.

Step 4：MCPTT client send MBMS listening status report to MCPTT server, are used for Report itself monitoring situation to MBMS bearer.

Step 5：MCPTT server send MapGroupToBearer message to MCPTT client, carry media and flow to MBMS bearer map information.

Step 6：MCPTT server send downstream media face data by MBMS bearer to MCPTT client.

The phone system for the network audio mixing that the application provides realizes the support network audio mixing in existing MCPTT system architectures Parallel multi-user's communicating tech, so that MCPTT may apply to the other industries such as railway, meets its voice communication demand.

Embodiment two

According to embodiments of the present invention, there is provided a kind of call method embodiment of network audio mixing is, it is necessary to illustrate, attached The step of flow of figure illustrates can perform in the computer system of such as one group computer executable instructions, though also, So logical order is shown in flow charts, but in some cases, can be with different from shown by order execution herein Or the step of description.

Fig. 9 is the structural representation of the call method of network audio mixing according to embodiments of the present invention, as shown in figure 9, the party Method comprises the following steps：

Step S902, mission critical PoC server MCPTT server control mission critical PTT terminals MCPTT Client it is more-say user model；

The maximum that step S904, MCPTT server obtains according to configuration management server says that customer parameter is exhaled group parallel In simultaneously talked say that number of users is controlled, wherein, it is more-to say user model, it is multiple for being supported in calling procedure User talks simultaneously, and listen user at the same hear it is multiple say user talk.

In embodiments of the present invention, the key of mission critical one is controlled by mission critical PoC server MCPTT server Logical terminal MCPTT Client it is more-say user model；MCPTT server according to configuration management server obtain it is maximum simultaneously Row say customer parameter group is exhaled in and meanwhile that is talked say that number of users is controlled, wherein, it is more-to say user model, be used for Multiple users are supported in calling procedure while are talked, and listen user at the same hear it is multiple say user talk, reached satisfaction branch The purpose of the parallel multi-user's communicating tech of network audio mixing is held, it is achieved thereby that meet the technique effect of voice communication demand, and then Solve because MCPTT technologies are only capable of supporting the function that synchronization single user is talked under half-duplex mode in the prior art, because This can not meet the technical problem of voice call requirement in the following railway communication that is proposed in FRMCS.

Optionally, the call method for the network audio mixing that the application provides also includes：MCPTT server are in mission critical one In the case that push-to user terminal MCPTT Client initiate multi-user's dial-up process, receive what MCPTT Client were sent User configuration information；According to user configuration information judge MCPTT Client whether allow initiate it is more-say user's group call；According to Group identification in user configuration information determines target MCPTT Client corresponding to MCPTT Client；To target MCPTT Client forwardings MCPTT Client send it is more-say user's group call request message；Target MCPTT is returned to MCPTT Client Client feedback it is more-say user's group close-talking response message；Wherein, MCPTT Client send it is more-say user's group call ask Message is asked to include：MCPTT Client1's itself supports audio mixing ability information, or required audio mixing pattern information；Audio mixing pattern Audio mixing pattern in information includes：End side audio mixing and network side audio mixing.

Further, optionally, according to user configuration information judge MCPTT Client whether allow initiate it is more-say use Before the group call of family, the call method for the network audio mixing that the application provides includes：If MCPTT server locally do not store MCPTT The configuration information of the affiliated group identifications of target MCPTT Client corresponding to Client, then by being interacted with group management service device The configuration information of group identification is obtained, wherein, configuration information includes：It is more-to say the parallel spoken user number of maximum that user's group is conversed Configuration information；Wherein, MCPTT server are according to MCPTT client audio mixing ability, and default system configuration rule, Judge network side audio mixing pattern corresponding to use.

Optionally, to MCPTT Client return target MCPTT Client feedback it is more-say user's group close-talking response Before message, the call method for the network audio mixing that the application provides also includes：If MCPTT Client to receive it is more-say user's group Other MCPTT Client information of call are confirmed, then are sent other MCPTT Client information to MCPTT Client。

Specifically, the implementation of the mode 1 in corresponding embodiment one.

Optionally, the call method for the network audio mixing that the application provides also includes：MCPTT server adjust in external system In the case of initiating multi-user's dial-up process with application programming interface API, answered if external system is called to use Identified, then identified according to application layer identity map to corresponding mission critical PTT groups of users with layer；According to mission critical PTT groups of users mark determines target critical task PTT user's group, and is sent out to target critical task PTT user's group Send it is more-say user's group call request message；Receive that target critical task PTT user's group returns it is more-say user's group call sound Message is answered, to carry out by MCPTT server between the MCPTT Client in target critical task PTT user's group Medium surface data transfer；Returning to multi-user voice group to external system exhales foundation to complete information；Wherein, MCPTT server according to The network side audio mixing pattern that uses is pre-configured with, and network side audio mixing pattern is sent into target critical task PTT user's group MCPTT Client.

Specifically, the implementation of the mode 2 in corresponding embodiment one.

Optionally, the call method for the network audio mixing that the application provides also includes：MCPTT server ask to talk about in user In the case of power, judge whether right of speech number of users is more than or equal to default maximum parallel spoken user quantity；MCPTT For server in the case where judged result is no, MCPTT server are that user authorizes right of speech, and right of speech occupied information is notified All right of speech participants；MCPTT server are by sound mixing function to carrying out audio mixing from multiple voices said user and listen user With medium surface distribution processor.

Further, optionally, the call method for the network audio mixing that the application provides also includes：In MCPTT server bags In the case of including right of speech control server, if current right of speech state is the free time, and right of speech control server receives MCPTT Client right of speech request, then judge whether to authorize right of speech to MCPTT Client；In the case where the judgment result is yes, to MCPTT Client send right of speech assignment messages；And send right of speech to other rights of speech participant and take message；By MCPTT The medium surface data forwarding that Client is sent is to other rights of speech participant.

Optionally, right of speech control server obtains right of speech in MCPTT Client, and during being talked, and receives the In the case of the right of speech request that one MCPTT Client are sent, judge whether to authorize right of speech to the first MCPTT Client；Sentencing In the case that disconnected result is is, right of speech assignment messages are sent to the first MCPTT Client, and send to other rights of speech participant Right of speech takes message；Stereo process is carried out to the first MCPTT Client and MCPTT Client medium surface data, and will be mixed Medium surface data after sound processing are sent to the participant that right of speech is not awarded.

Optionally, judge whether that authorizing right of speech to MCPTT Client includes：Right of speech controls server to ask to talk about in user During power, according to authorizing whether right of speech number is more than or equal to default maximum parallel spoken user quantity, judge whether pair MCPTT Client authorize right of speech.

Optionally, right of speech assignment messages include：Right of speech holding time parameter.

Optionally, right of speech takes message and included：The current user list information for taking right of speech.

Specifically, the implementation of the mode 3 in corresponding embodiment one.

Optionally, the call method for the network audio mixing that the application provides also includes：Include right of speech control in MCPTT server In the case of control server, right of speech control server, during the first MCPTT Client distribute right of speech and are talked, In the case of 2nd MCPTT Client request speeches, the right of speech request that the 2nd MCPTT Client are sent is received；Judge current Whether right of speech occupant quantity is preset maximum value, and is judged whether according to the priority of current right of speech holder by first MCPTT Client right of speech is transferred to the 2nd MCPTT Client；In the case where being judged as YES, to the first MCPTT Client sends right of speech revocation instruction, and right of speech assignment messages are sent to the 2nd MCPTT Client, and to all right of speech participants Send right of speech and take configured information；The medium surface data that 2nd MCPTT Client are sent carry out stereo process and are forwarded to other Right of speech participant；Wherein, if the first MCPTT Client priority is less than the 2nd MCPTT Client, and the first MCPTT Client re-request rights of speech after the 2nd MCPTT Client obtain right of speech, then if refusing the first MCPTT Client transmissions Power request.

Specifically, the implementation of the mode 4 in corresponding embodiment one.

Optionally, the call method for the network audio mixing that the application provides also includes：Include right of speech control in MCPTT server In the case of control server, right of speech control server, in the case of maximum says that number of users configuration changes parallel, and currently simultaneously When the number of users of row speech is more than or equal to the maximum concurrent user number that current group calling allows, according to the priority of user Set, preferentially discharge low priority user, if the priority of user is identical, random selection user carries out right of speech release.

Specifically, the implementation of the mode 5 in corresponding embodiment one.

Optionally, MCPTT server to listen user send multimedia broadcast multi-broadcasting business transmission notice message；Reception is listened The enhanced multimedia broadcast multicast service listening state report that user sends, and transmit message to listening user's return group to map； Message bearing is transmitted by enhanced multimedia broadcast multicast service eMBMS and listens transmission of the user to downstream media face data；Its In, multimedia broadcast multi-broadcasting business transmission notice message includes：Temporary Mobile Group Identity and service and information；Multimedia broadcasting is more Broadcasting SM service monitoring state report includes：To the monitor report of enhanced multimedia broadcast multicast service transmission；Group mapping transmission disappears Breath includes：Carry the map information that media flow to the transmission of enhanced multimedia broadcast multicast service.

Specifically, the implementation of the mode 6 in corresponding embodiment one.

Embodiment three

The application provides a kind of storage medium, and storage medium includes the program of storage, wherein, control and deposit when program is run Equipment where storage media performs the call method of the network audio mixing in above-described embodiment two.

Example IV

The application provides a kind of processor, and processor is used for operation program, wherein, program performs above-described embodiment when running The call method of network audio mixing in two.

The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.

In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment The part of detailed description, it may refer to the associated description of other embodiment.

In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, Ke Yiwei A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module Connect, can be electrical or other forms.

The unit illustrated as separating component can be or may not be physically separate, show as unit The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.

If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the present invention whole or Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes Medium.

Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (29)

1. A kind of 1. phone system of network audio mixing, it is characterised in that including：

   Mission critical PoC server MCPTT server, for controlling mission critical PTT terminal MCPTT Client's It is more-to say user model, and the maximum that is obtained according to configuration management server it is parallel say customer parameter group is exhaled in and meanwhile say Words say that number of users is controlled, wherein, it is described it is more-say user model, for supporting multiple users in calling procedure simultaneously Speech, and listen user at the same hear it is multiple say user speech；

   The mission critical PTT terminal MCPTT Client, for carrying out medium surface data by the MCPTT server Transmission.
2. 2. phone system according to claim 1, it is characterised in that

   The MCPTT server, for initiating multi-user's dial-up process in the mission critical PTT user terminal In the case of, the user configuration information that the MCPTT Client are sent is received, according to judging the user configuration information MCPTT Client whether allow initiate it is more-say user's group call；And the group identification in the user configuration information is true Target MCPTT Client corresponding to the fixed MCPTT Client；To described in target MCPTT Client forwardings MCPTTClient send it is more-say user's group call request message；And return to the target MCPTT to the MCPTT Client Client feedback it is more-say user's group close-talking response message；

   Wherein, that the MCPTT Client are sent is more-say that user's group call request message includes：The MCPTT Client1 Itself support audio mixing ability information, or required audio mixing pattern information；Audio mixing pattern in the audio mixing pattern information includes： End side audio mixing and network side audio mixing.
3. 3. phone system according to claim 2, it is characterised in that

   The MCPTT server, for initiating multi-user's dial-up process in the mission critical PTT user terminal In the case of, if the MCPTT server locally do not store the target MCPTT Client corresponding to the MCPTT Client The configuration information of affiliated group identification, then by obtaining the configuration information of the group identification with interacting for group management service device, Wherein, the configuration information includes：It is described it is more-say the parallel spoken user number configuration information of maximum of user's group call；

   Wherein, the MCPTT server are according to the audio mixing ability of the MCPTT client, and default system configuration rule Then, network side audio mixing pattern corresponding to use is judged.
4. 4. phone system according to claim 2, it is characterised in that

   The MCPTT server, for initiating multi-user's dial-up process in the mission critical PTT user terminal In the case of, if the MCPTT Client to receive it is described it is more-say user's group call other MCPTT Client information progress Confirm, then send other described MCPTT Client information to the MCPTT Client.
5. 5. phone system according to claim 2, it is characterised in that

   The MCPTT Client, for initiating multi-user's dial-up process in the mission critical PTT user terminal In the case of, initiate to the affiliated groups of target MCPTT Client it is described it is more-say user's group converse, to the MCPTT server Send it is described it is more-say user's group call request message, receive the target MCPTT of MCPTT server forwarding Client feedback it is described it is more-say user's group close-talking response message；

   Wherein, it is described it is more-say that user's group call request message includes：The affiliated group identifications of the target MCPTT Client；Or, In the case that the MCPTT Client require right of speech, implicit right of speech request instruction is carried.
6. 6. phone system according to claim 1, it is characterised in that

   The MCPTT server, for calling application programming interface API to initiate multi-user's dial-up in external system In the case of process, use application layer to identify if the external system is called, according to the application layer identity map extremely Corresponding mission critical PTT groups of users mark；Identified according to the mission critical PTT groups of users and determine that target is closed Key task PTT user's group, and to the target critical task PTT user's group send it is more-say that user's group call request disappears Breath, receive that the target critical task PTT user's group returns it is more-say user's group close-talking response message, to cause the mesh Medium surface data are carried out by the MCPTT server between MCPTT Client in mark mission critical PTT user's group Transmission；Returning to multi-user voice group to the external system exhales foundation to complete information；

   Wherein, the MCPTT server are according to being pre-configured with using network side audio mixing pattern, and by the network side audio mixing mould Formula is sent to the MCPTT Client in the target critical task PTT user's group.
7. 7. phone system according to claim 1, it is characterised in that

   The MCPTT server, in the case of asking right of speech in user, judge whether right of speech number of users is more than or waits In default maximum parallel spoken user quantity；In the case where judged result is no, the MCPTT server are the user Right of speech is authorized, and right of speech occupied information is notified into all right of speech participants；The MCPTT server are by sound mixing function to coming Audio mixing and medium surface distribution processor are carried out from multiple voices said user and listen user.
8. 8. phone system according to claim 7, it is characterised in that

   In the case where the MCPTT server include right of speech control server, the right of speech controls server, if for working as Preceding right of speech state is the free time, and receives the right of speech request of the MCPTT Client, then judges whether to the MCPTT Client authorizes right of speech；In the case where the judgment result is yes, right of speech assignment messages are sent to the MCPTT Client；And to Other rights of speech participant sends the right of speech and takes message；By the medium surface data forwarding that the MCPTT Client are sent to institute State other rights of speech participant.
9. 9. phone system according to claim 8, it is characterised in that

   The right of speech controls server, for obtaining right of speech in the MCPTT Client, and during being talked, receives In the case of the right of speech request that first MCPTT Client are sent, judge whether to authorize words to the first MCPTT Client Power；In the case where the judgment result is yes, right of speech assignment messages are sent to the first MCPTT Client, and to other rights of speech Participant sends the right of speech and takes message；To the first MCPTT Client and MCPTT Client medium surface number According to progress stereo process, and the medium surface data after stereo process are sent to the participant that right of speech is not awarded.
10. 10. phone system according to claim 8, it is characterised in that

    Whether the right of speech controls server, during asking right of speech in user, be more than or wait according to right of speech number is authorized In default maximum parallel spoken user quantity, judge whether to authorize right of speech to the MCPTT Client.
11. 11. phone system according to claim 8, it is characterised in that the right of speech assignment messages include：When right of speech takes Between parameter.
12. 12. phone system according to claim 8, it is characterised in that the right of speech, which takes message, to be included：It is current to take words The user list information of power.
13. 13. phone system according to claim 1, it is characterised in that

    In the case where the MCPTT server include right of speech control server, the right of speech controls server, for the During one MCPTT Client distribute right of speech and talked, in the case of the 2nd MCPTT Client request speeches, connect Receive the right of speech request that the 2nd MCPTT Client are sent；Judge whether current right of speech occupant quantity is preset maximum value, And judge whether the right of speech of the first MCPTT Client being transferred to institute according to the priority of the current right of speech holder State the 2nd MCPTT Client；In the case where being judged as YES, right of speech revocation instruction is sent to the first MCPTT Client, Right of speech assignment messages are sent to the 2nd MCPTT Client, and sends right of speech to all right of speech participants and takes instruction letter Breath；The medium surface data that the 2nd MCPTT Client are sent carry out stereo process and are forwarded to other right of speech participants；

    Wherein, if the priority of the first MCPTT Client is less than the 2nd MCPTT Client, and described first MCPTT Client re-request rights of speech after the 2nd MCPTT Client obtain right of speech, then refuse the first MCPTT The right of speech request that Client is sent.
14. 14. phone system according to claim 1, it is characterised in that

    In the case where the MCPTT server include right of speech control server, the right of speech controls server, for most It is big say that number of users configuration changes parallel in the case of, and the number of users of present parallel speech be more than or equal to current group z z z When being the maximum concurrent user number of permission, set according to the priority of user, preferentially discharge low priority user, if user Priority is identical, then randomly chooses user and carry out right of speech release.
15. 15. phone system according to claim 1, it is characterised in that

    The MCPTT server be used for listen user send multimedia broadcast multi-broadcasting business transmission notice message；Listened described in reception The enhanced multimedia broadcast multicast service listening state report that user sends, and listen the mapping transmission of user's return group to disappear to described Breath；Transmitted by enhanced multimedia broadcast multicast service eMBMS and listen user to downstream media face data described in message bearing Transmission；

    Wherein, the multimedia broadcast multi-broadcasting business transmission notice message includes：Temporary Mobile Group Identity and service and information；Institute Stating the report of multimedia broadcast multi-broadcasting business listening state includes：To the monitoring report of enhanced multimedia broadcast multicast service transmission Accuse；Described group of mapping transmission message includes：Carry the map information that media flow to the transmission of enhanced multimedia broadcast multicast service.
16. A kind of 16. call method of network audio mixing, it is characterised in that including：

    Mission critical PoC server MCPTT server controls mission critical PTT terminal MCPTT Client it is more-say User model；

    Maximum that the MCPTT server obtain according to configuration management server is parallel say customer parameter group is exhaled in and meanwhile enter Row speech say that number of users is controlled, wherein, it is described it is more-say user model, for supporting multiple users in calling procedure Talk simultaneously, and listen user at the same hear it is multiple say user talk.
17. 17. call method according to claim 16, it is characterised in that methods described also includes：

    The MCPTT server initiate multi-user's dial-up mistake in mission critical PTT user terminal MCPTT Client In the case of journey, the user configuration information that the MCPTT Client are sent is received；

    According to the user configuration information judge the MCPTT Client whether allow initiate it is more-say user's group call；

    Group identification in the user configuration information determines target MCPTT corresponding to the MCPTT Client Client；

    To the target MCPTT Client forward the MCPTT Client send it is more-say user's group call request message；

    To the MCPTT Client return target MCPTT Client feedback it is more-say user's group close-talking response message；

    Wherein, that the MCPTT Client are sent is more-say that user's group call request message includes：The MCPTT Client1 Itself support audio mixing ability information, or required audio mixing pattern information；Audio mixing pattern in the audio mixing pattern information includes： End side audio mixing and network side audio mixing.
18. 18. call method according to claim 17, it is characterised in that described in being judged according to the user configuration information MCPTT Client whether allow initiate it is more-say user's group converse before, methods described includes：

    If the MCPTT server locally do not store the target MCPTT Client institutes corresponding to the MCPTT Client Belong to the configuration information of group identification, then by obtaining the configuration information of the group identification with interacting for group management service device, its In, the configuration information includes：It is described it is more-say the parallel spoken user number configuration information of maximum of user's group call；

    Wherein, the MCPTT server are according to the audio mixing ability of the MCPTT client, and default system configuration rule Then, network side audio mixing pattern corresponding to use is judged.
19. 19. call method according to claim 17, it is characterised in that return to institute to the MCPTT Client described State target MCPTT Client feedback it is more-say user's group close-talking response message before, methods described also includes：

    If the MCPTT Client to receive it is described it is more-say user's group call other MCPTT Client information carry out really Recognize, then send other described MCPTT Client information to the MCPTT Client.
20. 20. call method according to claim 16, it is characterised in that methods described also includes：

    The MCPTT server call application programming interface API to initiate multi-user's dial-up process in external system In the case of, use application layer to identify if the external system is called, according to the application layer identity map to corresponding Mission critical PTT groups of users identifies；

    Identified according to the mission critical PTT groups of users and determine target critical task PTT user's group, and to the mesh Mark mission critical PTT user's group send it is more-say user's group call request message；

    Receive that the target critical task PTT user's group returns it is more-say user's group close-talking response message, described in causing Medium surface number is carried out by the MCPTT server between MCPTT Client in target critical task PTT user's group According to transmission；

    Returning to multi-user voice group to the external system exhales foundation to complete information；Wherein, MCPTT server according to matching somebody with somebody in advance The network side audio mixing pattern that uses is put, and network side audio mixing pattern is sent into target critical task PTT user's group MCPTT Client。
21. 21. call method according to claim 16, it is characterised in that methods described also includes：

    It is default to judge whether right of speech number of users is more than or equal in the case where user asks right of speech by the MCPTT server Maximum parallel spoken user quantity；

    For the MCPTT server in the case where judged result is no, the MCPTT server are that the user authorizes words Power, and right of speech occupied information is notified into all right of speech participants；

    The MCPTT server are by sound mixing function to carrying out audio mixing and media from multiple voices said user and listen user Face distribution processor.
22. 22. call method according to claim 21, it is characterised in that methods described also includes：

    In the case where the MCPTT server include right of speech control server, if current right of speech state is the free time, and it is described Right of speech control server receives the right of speech request of the MCPTT Client, then judges whether to authorize the MCPTT Client Right of speech；In the case where the judgment result is yes, right of speech assignment messages are sent to the MCPTT Client；And join to other rights of speech The right of speech, which is sent, with person takes message；By the medium surface data forwarding that the MCPTT Client are sent to other described rights of speech Participant.
23. 23. call method according to claim 22, it is characterised in that

    Right of speech control server obtains right of speech in the MCPTT Client, and during being talked, receives first In the case of the right of speech request that MCPTT Client are sent, judge whether to authorize right of speech to the first MCPTT Client； In the case that judged result is is, right of speech assignment messages are sent to the first MCPTT Client, and participate in other rights of speech Person sends the right of speech and takes message；The first MCPTT Client and MCPTT Client medium surface data are entered Row stereo process, and the medium surface data after stereo process are sent to the participant that right of speech is not awarded.
24. 24. call method according to claim 22, it is characterised in that described to judge whether to the MCPTT Client Authorizing right of speech includes：

    Right of speech control server during user asks right of speech, according to authorize right of speech number whether be more than or equal to it is default Maximum parallel spoken user quantity, judges whether to authorize right of speech to the MCPTT Client.
25. 25. call method according to claim 22, it is characterised in that the right of speech assignment messages include：Right of speech takes Time parameter.
26. 26. call method according to claim 22, it is characterised in that the right of speech, which takes message, to be included：It is current to take The user list information of right of speech.
27. 27. call method according to claim 16, it is characterised in that methods described also includes：

    In the case where the MCPTT server include right of speech control server, the right of speech controls server, first During MCPTT Client distribute right of speech and talked, in the case of the 2nd MCPTT Client request speeches, receive The right of speech request that the 2nd MCPTT Client are sent；

    Judge whether current right of speech occupant quantity is preset maximum value, and sentenced according to the priority of the current right of speech holder It is disconnected whether the right of speech of the first MCPTT Client to be transferred to the 2nd MCPTT Client；

    In the case where being judged as YES, right of speech revocation instruction is sent to the first MCPTT Client, to the 2nd MCPTT Client sends right of speech assignment messages, and sends right of speech to all right of speech participants and take configured information；

    The medium surface data that the 2nd MCPTT Client are sent carry out stereo process and are forwarded to other right of speech participants；

    Wherein, if the priority of the first MCPTT Client is less than the 2nd MCPTT Client, and described first MCPTT Client re-request rights of speech after the 2nd MCPTT Client obtain right of speech, then refuse the first MCPTT The right of speech request that Client is sent.
28. 28. call method according to claim 16, it is characterised in that methods described also includes：

    In the case where the MCPTT server include right of speech control server, the right of speech controls server, in maximum simultaneously In the case of row says that number of users configuration changes, and the number of users of present parallel speech is permitted more than or equal to current group calling During maximum concurrent user number perhaps, set according to the priority of user, low priority user is preferentially discharged, if user's is preferential Level is identical, then randomly chooses user and carry out right of speech release.
29. 29. call method according to claim 16, it is characterised in that

    The MCPTT server to listen user send multimedia broadcast multi-broadcasting business transmission notice message；User is listened described in reception The enhanced multimedia broadcast multicast service listening state report of transmission, and listen user's return group mapping transmission message to described； Transmitted by enhanced multimedia broadcast multicast service eMBMS and listen biography of the user to downstream media face data described in message bearing It is defeated；

    Wherein, the multimedia broadcast multi-broadcasting business transmission notice message includes：Temporary Mobile Group Identity and service and information；Institute Stating the report of multimedia broadcast multi-broadcasting business listening state includes：To the monitoring report of enhanced multimedia broadcast multicast service transmission Accuse；Described group of mapping transmission message includes：Carry the map information that media flow to the transmission of enhanced multimedia broadcast multicast service.