CN102055857B - Packet switching-based digital multi-channel director system and control method thereof - Google Patents
Packet switching-based digital multi-channel director system and control method thereof Download PDFInfo
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- CN102055857B CN102055857B CN2009101882361A CN200910188236A CN102055857B CN 102055857 B CN102055857 B CN 102055857B CN 2009101882361 A CN2009101882361 A CN 2009101882361A CN 200910188236 A CN200910188236 A CN 200910188236A CN 102055857 B CN102055857 B CN 102055857B
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Abstract
The invention discloses a packet switching-based digital multi-channel director system and a control method thereof. The system comprises an access control server, an audio acquisition server and a multi-channel director work station which form a local area network through interconnection; the access control server is connected with a telecommunication office switch through an E1 line; and the multi-channel director work station is connected with a radio station sound console through an input/output audio line and is connected with a telephone for the director through a foreign exchange station (FXS) interface. The control method comprises the following steps of: starting to initialize the system, and allocating hotline numbers of a telecommunication office to various channels of the radio station; waiting for a call from the E1 line; developing a call processing process in the process of call admission; judging whether the access control server is stopped being controlled, and if the control is ended, ending the main process. A telephone coupler is not needed, the control is convenient, the access quantity is large and the system and the method are stable and reliable; and the function of a short message platform is integrated, so that the director and a compere can simultaneously control the telephone and messages through the same interface, the invention is convenient to use, and rich statistical functions are provided for the radio station.
Description
Technical field
The present invention relates to radio station instructor in broadcasting's control technology of the communications field, specifically a kind of director system of digital multi-channel based on packet switch and control method thereof.
Background technology
Hotline is the important means that present radio programmes is live, the audience is interactive, it is main that but present broadcasting station presentation-guiding device still adopts the mode of telephone coupler, this processing mode has following shortcoming: 1. provide limited several simulative telephone interfaces, cause " making hot line difficult "; 2. can't embody how many audiences and make hot line by the line is busy, so radio station also just can't count certain column, have on earth how many audiences to be ready to participate in; 3. the simulative telephone interface probability of natural calamity such as be struck by lightning is larger, and there is serious potential threat in the radio station normal operation; 4. exchange inconvenience between host and instructor in broadcasting, can only complete interchange by gesture or dialogue; 5. can't need to have and select to answer audience's hotline according to program; 6. can not shield known malicious call.So telephone coupler can not meet radio station and the audience demand to this form of programs of hotline as a kind of traditional instructor in broadcasting's equipment.
In order to address these problems, introduced in recent years CTI (Computer TelephonyIntegration, computer telephone integration) mode that is used in conjunction with of integrated circuit board and telephone coupler, this mode can allow instructor in broadcasting and host see caller ID, but this mode still be unable to do without telephone coupler, and this mode is the interim solution that is structured in progressively on the CTI technology of by telecommunications industry, being eliminated, in systemic-function, can expand, still have considerable restraint in flexibility.
Summary of the invention
For above shortcomings part in prior art, the technical problem to be solved in the present invention is to provide that a kind of conversation based on digital form is clear, signaling is controlled accurately, antijamming capability is strong, the access amount is large and the operation intuitive and convenient the director system of the digital multi-channel based on packet switch and control method thereof.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
The digital multi-channel director system that the present invention is based on packet switch is drawn together accessing control server, audio collection server and multi-channel presentation-guiding work station, and the three is by interconnected composition local area network (LAN), and accessing control server connects telecommunication bureau's switch by the E1 line; Wherein the multi-channel presentation-guiding work station connects the radio station sound console by the I/O tone frequency channel wire, connects the instructor in broadcasting by the FXS interface and uses telephone set.
The multi-channel presentation-guiding work station forms a machine independence dual input/dual output mode of operation by two video cards, PS/2 interface and USB interface.
A described machine independence dual input/dual output mode of operation is by following process implementation: two separate video cards, double-USB interface and PS/2 interface are arranged on the multi-channel presentation-guiding work station, use multi-seat configuration mode under Linux that this two covers display, keyboard and mouse are carried out correspondence, independent operation, be independent of each other each other.
Described audio collection server has the multichannel voice frequency input/output interface, connects radio station master control room audio frequency input/output interface by tone frequency channel wire respectively.
The present invention is based on the control method of the digital multi-channel director system of packet switch, comprise the following steps:
Start, system initialization, the IP address of configuration accessing control server, audio collection server and multi-channel presentation-guiding work station, interconnect the three; And with the hotline number assignment of telecommunication bureau each channel to radio station;
Wait for the E1 line call-up;
Have and call out while entering, open up the call treatment process;
Do you judge whether finishing control of accessing control server?
If finishing control, host process finishes;
Open up the call treatment process and comprise following process:
Accessing control server is processed calling, according to caller ID, determines target channel, and the E1 signaling is changed into the SIP/RTP Frame, by local area network (LAN), delivers to multi-channel presentation-guiding work station corresponding to target channel;
The multi-channel presentation-guiding work station receives the calling that accessing control server is sent here, and instructor in broadcasting's formation is inserted in this calling;
The instructor in broadcasting processes this calling as required;
When the instructor in broadcasting changed this calling over to the host formation, the host need to process according to program;
If the host will not call out and go back to instructor in broadcasting's formation again after processing, but hang up, the call treatment process finishes, and preserves this call record.
Do not call out if the host is hung up this time, go to the host and need to carry out treatment step to this calling according to program;
Perhaps, if the host will call out, change again instructor in broadcasting's formation over to, go to the instructor in broadcasting and as required treatment step is carried out in this calling;
Perhaps, change this calling over to the host formation if the instructor in broadcasting is provided with, but hang up, this time the call treatment process finishes;
Perhaps, if the instructor in broadcasting is provided with, change this calling over to the host formation, also do not hang up, the instructor in broadcasting that continues carries out treatment step to this calling as required.
Described instructor in broadcasting controls and comprises this calling as required: converse, put wait, hang up, mark, change host's formation over to and add blacklist;
Perhaps, described host need to be treated to single channel according to program and process, and comprising: access/pick out sound console, hang up, mark, change instructor in broadcasting's formation over to and add blacklist.
Perhaps described host need to be treated to the multichannel processing according to program, automatically switch into the videoconference mode of operation, this mode of operation comprises: access/pick out sound console, hang up, mark, change instructor in broadcasting's formation over to, add blacklist, locking conversation, quiet, (instrumental) ensemble and solo; Realize " quiet ", " solo ", " He Zou " operation by software audio mixing and audio mixing control algolithm.
Described hotline number assignment to the method for each channel in radio station is: carry out corresponding with the IP address of multi-channel presentation-guiding work station telephone number.
The present invention is further comprising the steps of: after judgement has and calls out and to enter, continue and whether judge caller ID by the blacklist inspection,, if by the blacklist inspection, continue and open up call treatment and carry out step; Otherwise the E1 line call-up step such as return to.
Described accessing control server is received and dispatched note by Short Message Service Gateway, and is presented at instructor in broadcasting and host's terminal; Described accessing control server according to the call record of hotline count the every day of each column, weekly, per month call volume and note amount, call duration, calling charge.
The present invention has following beneficial effect and advantage:
1. computer instructor in broadcasting function: the present invention is the information such as instructor in broadcasting and the host calling number that shows all audiences' incoming calls, incoming call order, call state by terminal display, and instructor in broadcasting and host can carry out various callings controls according to these information.The phone access is from telecommunication bureau's machine room access radio station machine room by optical fiber, then adopt based on the IP communication technology of local area network (LAN) and deliver between each instructor in broadcasting, be connected to sound console by the input and output of sound card numeral finally, need not telephone coupler, have clear sound, control the characteristics such as convenient, that the access amount is large and reliable and stable.
2. SMS platform function
SMS platform function that the present invention is integrated, make instructor in broadcasting and host to control simultaneously phone and note by an interface, the convenient use; In addition, the present invention also provides the note instructor in broadcasting function, changes instructor in broadcasting in the past and can't see note, only has the shortcoming of host oneself screening note, and the instructor in broadcasting can indicate to the host especially for the host selects some valuable notes in native system.
3. function of statistic analysis
The present invention provides abundant statistical function for radio station, can count the every day of each column, weekly, call volume per month, call duration, calling charge etc., can meet audience's interaction demand by adjusting the modes such as welcome program duration by these statistics radio station, for program of radio station arranges decision-making work, provide scientific basis.In addition, native system also carries out respectively the expense statistics to advertiser's outgoing call, is convenient to management and cost control.In native system, SMS also provides the expense statistics, prevents that effectively radio messaging partner from conceaing the problem of understatement note amount.The note statistics can also, specific to certain column note income statistics of certain frequency, be convenient to formulate note incentive policy etc.
Description of drawings
Fig. 1 is system configuration composition diagram of the present invention;
Fig. 2 is the connection layout of system applies of the present invention in instructor in broadcasting's direct broadcasting room;
Fig. 3 is the inventive method control procedure flow chart;
Fig. 4 is that in the inventive method, the host connects call flow diagram;
Fig. 5 is specific embodiment of the invention procedure chart.
Embodiment
As shown in Figure 1, a kind of director system of digital multi-channel based on packet switch of the present invention comprises following part: accessing control server, audio collection server, multi-channel presentation-guiding work station.Described accessing control server, audio collection server and multi-channel presentation-guiding work station are connected to form local area network (LAN) by twisted-pair feeder and switch.
Wherein accessing control server is to be connected with the telecommunication bureau switch by the E1 line, is responsible for the access-in management of note and phone;
The audio collection server refers to the radio station in progress broadcasting of each channel is gathered and preserves, so that the audience carries out that program request is listened to and as the foundation of radio station assessment program quality; The audio collection server has the multichannel voice frequency input/output interface, connects radio station master control room audio frequency input/output interface by tone frequency channel wire respectively.
The multi-channel presentation-guiding work station is comprised of multi-channel presentation-guiding server, instructor in broadcasting's terminal, telephone set, host's terminal, it will show from the information that accessing control server transmits and process, and the responsible communication on telephone of processing between host or instructor in broadcasting and audience, have simultaneously the function that exchanges between host and instructor in broadcasting; The multi-channel presentation-guiding work station forms a machine independence dual input/dual output mode of operation by two video cards, PS/2 interface and USB interface, by following process implementation: two separate video cards are arranged on the multi-channel presentation-guiding work station, both can support simultaneously VGA, DVI and HDMI interface, by these interfaces, distribute and connect two displays; The multi-channel presentation-guiding work station, by PS/2 interface and USB-HUB interface, can be supported two cover mouse and keyboards, and the mouse that is connected with the PS/2 interface and keyboard are to distribute to the instructor in broadcasting to use, and the mouse that is connected with USB interface and keyboard are to distribute to the host to use; Use multi-seat configuration mode under linux that this two covers display, keyboard and mouse are carried out correspondence in the multi-channel presentation-guiding work station, independent operation, be independent of each other each other.
As shown in Figure 2, instructor in broadcasting's terminal (between the instructor in broadcasting) is comprised of display, mouse and keyboard; Telephone set is connected with the FXS interface of multi-channel presentation-guiding server by telephone wire; Host's terminal (direct broadcasting room) is comprised of display, mouse and keyboard; The multi-channel presentation-guiding server is connected the audio frequency input and output by sound card with the sound console of direct broadcasting room.
Described multi-channel presentation-guiding work station is responsible for phone formation and the call management relevant with this channel.Described multi-channel presentation-guiding work station is safeguarded two work queues: instructor in broadcasting's formation and host's formation.The new incoming call of audience is transferred to the multi-channel presentation-guiding work station by accessing control server, and the multi-channel presentation-guiding work station puts it into instructor in broadcasting's work queue, and in host's terminal and instructor in broadcasting's terminal, shows.The instructor in broadcasting can process the phone in instructor in broadcasting's formation; The host can process the incoming call in instructor in broadcasting's formation and host's formation.The instructor in broadcasting can exchange with the incoming call in instructor in broadcasting's formation by telephone set.When host or instructor in broadcasting change the phone in instructor in broadcasting's formation over to the host formation, the host can exchange with the audience with headset by the broadcast microphone of sound console.
As shown in Figure 3, the control method of a kind of director system of digital multi-channel based on packet switch of the present invention comprises the following steps:
(1) start, system initialization, the IP address of configuration accessing control server, audio collection server and multi-channel presentation-guiding work station, interconnect the three; And with the hotline number assignment of telecommunication bureau each channel to radio station;
At first accessing control server determines target channel according to caller ID, and the E1 signaling is changed into the SIP/RTP Frame, by local area network (LAN), delivers to multi-channel presentation-guiding work station corresponding to target channel.
E1 enters rear employing E1 to Session Initiation Protocol transfer gateway technology ISDN PRI or signalling system No.7 is converted to VoIP package based on SIP/RTP, carry out call routing according to default dialing rule, calling will be sent on corresponding each frequency work station of called number.
(2) wait for the E1 line call-up, when the E1 circuit has calling to enter, judge whether by the blacklist inspection;
(3), if by the blacklist inspection, open up the call treatment process, step is as follows:
(31) accessing control server is processed calling, according to caller ID, determines target channel, and the E1 signaling is changed into the SIP/RTP Frame, by local area network (LAN), delivers to multi-channel presentation-guiding work station corresponding to target channel;
(32) the multi-channel presentation-guiding work station receives the calling that accessing control server is sent here, and instructor in broadcasting's formation is inserted in this calling;
Multi-channel presentation-guiding work station at each channel has two formations, one is instructor in broadcasting's formation, one is host's formation, at first the call signal of bringing from accessing control server is admitted to instructor in broadcasting's formation, the instructor in broadcasting can see from the display interface of instructor in broadcasting's terminal and the list of all-calls comprises the information such as caller ID, call state and call duration.
(33) instructor in broadcasting processes this calling as required;
The instructor in broadcasting processes and comprises this calling as required: converse, put wait, hang up, mark, change host's formation over to and add blacklist.When selecting conversation, can use the phone on the FXS interface to exchange with the audience.In addition, the instructor in broadcasting also can use phone to dial outside line, and this is called out access instructor in broadcasting formation.
(34) when the instructor in broadcasting changed this calling over to the host formation, the host need to process according to program;
After calling changed host's formation over to, the host carried out call treatment by host's terminal display interface, comprised that single channel is processed and multichannel is processed, and wherein single channel is processed and comprised and access/pick out sound console, hang up, mark, change instructor in broadcasting's formation over to and add blacklist; Multichannel is processed and to be comprised: access/pick out sound console, hang up, mark, change instructor in broadcasting's formation over to, add blacklist, locking conversation, quiet, (instrumental) ensemble and solo.
As shown in Figure 4, when the host selected to connect selected incoming call, at first system judged current whether ongoing conversation is arranged, and, if do not have, directly with selected incoming call, conversed; If current existing ongoing conversation, directly enter the telephone conversation mode of operation.
(35) if the host will not call out and go back to instructor in broadcasting's formation again, but hang up, the call treatment process finishes, and preserves this call record.
(36) after the host is hung up this calling, by the multi-channel presentation-guiding work station, to accessing control server, send the SIP signaling, finish this conversation, and preserve the detailed record of this time calling.
(37), if the host is not hung up this time to be called out, go to the host and need to carry out treatment step to this calling according to program.
(38) change again instructor in broadcasting's formation over to if the host will call out, go to the instructor in broadcasting and as required treatment step is carried out in this calling.
(39) if the instructor in broadcasting does not change this calling over to the host formation, judge whether this calling is hung up,, if do not hang up, go to the instructor in broadcasting and as required step is controlled in this calling; , if hang up, finish this calling.
(4) if finish this time to call out and control, this time call control procedure finishes; Otherwise go to step (2) and wait for the E1 line call-up.
(5) if not by the blacklist inspection, perhaps do not call out and enter, go to step (2) and wait for the E1 line call-up.
Described hotline number assignment to the method for each channel in radio station is: carry out corresponding with the IP address of multi-channel presentation-guiding work station telephone number.Corresponding method is at first the multi-channel presentation-guiding work station that uses in each channel to be registered in accessing control server, the correspondence between the IP address of completing channel and multi-channel presentation-guiding work station; Then mode that can be by adding telephone number with the hotline number with register to channel in system and carry out correspondingly, so just completed the corresponding relation between the IP address of hotline number and multi-channel presentation-guiding work station.
In the inventive method, accessing control server can also be received and dispatched note by Short Message Service Gateway, and is presented at instructor in broadcasting and host's terminal.After receiving note from Short Message Service Gateway, at first be recorded in database, then be forwarded to corresponding channel work station and be shown to the instructor in broadcasting or the host according to default note number or short message content, the instructor in broadcasting can carry out mark to some note needs special concern with this note of prompting host.In the present embodiment, note adopts CMMP, and the self-defined TCP communication protocol of SGIP or T is completed reception.
When the host need to be treated to the multichannel processing according to program, automatically switch into the videoconference mode of operation, this mode of operation is by software audio mixing and the realization of audio mixing control algolithm, and the host can carry out " quiet ", " solo ", " He Zou " operation.Method is with corresponding one " passage " of each road hotline.When the host switches to conference model with the work at present pattern, system is carried out the software audio mixing on N-1 road for N participant of current videoconference, process is as follows: for each passage of videoconference, system is from other N-1 participant's of current videoconference passage, take out respectively the speech data of a frame, then system is carried out the software audio mixing for the N-1 frame speech data that takes out, and obtains a frame audio mixing speech data, and this frame speech data is sent in prepass.What hear N participant of videoconference like this is exactly the audio mixing of N-1 paths.The host, according to the program needs, may carry out quiet operation to a road of videoconference or the participant of multichannel.The multi-channel presentation-guiding work station is realized by the audio mixing control algolithm, process is as follows: for each passage, system is from other N-1 participant's of current videoconference passage, take out respectively a frame speech data, and will be in the speech data that takes out the passage of mute state from those and be set to 0, then system this N-1 frame speech data that will take out carries out the software audio mixing, and the speech data frame after audio mixing is sent in this passage.So just complete the Liao Duiyi road or the multichannel participant carries out quiet operation.
Described accessing control server is received and dispatched note by Short Message Service Gateway, and is presented at instructor in broadcasting and host's terminal; Accessing control server according to the call record of hotline count the every day of each column, weekly, per month call volume and note amount, call duration, calling charge etc.
Below the present invention is described in detail as example take closing of the circuit process shown in Figure 5, specific as follows:
The audience dials the hot line number and prepares to participate in program interaction;
Telecommunication bureau processes this number, and prompt tone is being connected in loopback;
Telecommunication bureau sends a telegram here by Optical Fiber Transmission this to accessing control server;
Accessing control server, according to access code, is forwarded to corresponding multi-channel presentation-guiding work station with it;
After the multi-channel presentation-guiding work station is received this notice, with its be presented at instructor in broadcasting and host's terminal and etc. pending;
The instructor in broadcasting connects it by mouse action after seeing this incoming call, so at the telephone set on instructor in broadcasting side, start ring;
The instructor in broadcasting picks up the telephone, and starts to exchange with the audience;
The instructor in broadcasting exchange with the audience complete after, audience incoming call is set to wait for;
The instructor in broadcasting changes it over to host formation;
When the audience enters in host's formation, will hear the broadcast content of the current frequency in broadcasting station, point out the audience soon with the host, to exchange with this;
The host connects this incoming call, and the audience exchanges with the host;
After exchanging end, host's hanging up calling, so far conversation is just completed, and preserves this call record.
Claims (7)
1. the control method of the director system of the digital multi-channel based on packet switch is characterized in that comprising the following steps:
Start, system initialization, the IP address of configuration accessing control server, audio collection server and multi-channel presentation-guiding work station, interconnect the three; And with the hotline number assignment of telecommunication bureau each channel to radio station;
Wait for the E1 line call-up;
Have and call out while entering, open up the call treatment process;
Judge whether finishing control of accessing control server;
If finishing control, host process finishes;
Open up the call treatment process and comprise following process:
Accessing control server is processed calling, according to caller ID, determines target channel, and the E1 signaling is changed into the SIP/RTP Frame, by local area network (LAN), delivers to multi-channel presentation-guiding work station corresponding to target channel;
The multi-channel presentation-guiding work station receives the calling that accessing control server is sent here, and instructor in broadcasting's formation is inserted in this calling;
The instructor in broadcasting processes this calling as required;
When the instructor in broadcasting changed this calling over to the host formation, the host need to process according to program;
If the host will not call out and go back to instructor in broadcasting's formation again after processing, but hang up, the call treatment process finishes, and preserves this call record.
2., by the control method of the director system of the digital multi-channel based on packet switch claimed in claim 1, it is characterized in that:
Do not call out if the host is hung up this time, go to the host and need to carry out treatment step to this calling according to program;
Perhaps, if the host will call out, change again instructor in broadcasting's formation over to, go to the instructor in broadcasting and as required treatment step is carried out in this calling;
Perhaps, if the instructor in broadcasting does not have to change this calling over to the host formation, but hang up, this time the call treatment process finishes;
Perhaps,, if the instructor in broadcasting does not have to change this calling over to the host formation, also do not hang up, the instructor in broadcasting that continues carries out treatment step to this calling as required.
3. by the control method of the director system of the digital multi-channel based on packet switch claimed in claim 1, it is characterized in that: described instructor in broadcasting processes and comprises this calling as required: converse, put wait, hang up, mark, change host's formation over to and add blacklist;
Perhaps, described host need to be treated to single channel according to program and process, and comprising: access/pick out sound console, hang up, mark, change instructor in broadcasting's formation over to and add blacklist.
4. press the control method of the director system of the digital multi-channel based on packet switch claimed in claim 1, it is characterized in that: described host need to be treated to multichannel according to program and process, automatically switch into the videoconference mode of operation, this mode of operation comprises: access/pick out sound console, hang up, mark, change instructor in broadcasting's formation over to, add blacklist, locking conversation, quiet, (instrumental) ensemble and solo; Realize " quiet ", " solo ", " He Zou " operation by software audio mixing and audio mixing control algolithm.
5. by the control method of the director system of the digital multi-channel based on packet switch claimed in claim 1, it is characterized in that: described hotline number assignment to the method for each channel in radio station is: carry out corresponding with the IP address of multi-channel presentation-guiding work station telephone number.
6. press the control method of the director system of the digital multi-channel based on packet switch claimed in claim 1, it is characterized in that: further comprising the steps of: after judgement has calling to enter, continue and judge that whether caller ID is by the blacklist inspection,, if by the blacklist inspection, continue and open up call treatment and carry out step; Wait for E1 line call-up step otherwise return.
7. by the control method of the director system of the digital multi-channel based on packet switch claimed in claim 1, it is characterized in that: described accessing control server is received and dispatched note by Short Message Service Gateway, and is presented at instructor in broadcasting and host's terminal.
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| CN102752400B (en) * | 2012-07-18 | 2016-08-24 | 中央人民广播电台 | Audio file multiple velocity safe transmission method and system between net |
| CN105656752A (en) * | 2014-11-14 | 2016-06-08 | 中国科学院沈阳计算技术研究所有限公司 | Communication method for digital guide broadcasting system |
| CN105119673A (en) * | 2015-08-19 | 2015-12-02 | 贺中义 | Interactive broadcast radio system |
| CN106341512A (en) * | 2016-01-20 | 2017-01-18 | 北京永安博技术有限公司 | Telephone access system and method supporting network control and call recording |
| CN106899578A (en) * | 2017-01-24 | 2017-06-27 | 上海东方传媒技术有限公司 | Hot-line telephone system and method |
| CN109976691B (en) * | 2019-03-29 | 2021-05-18 | 联想(北京)有限公司 | Information processing method, device, equipment and storage medium |
| CN110620897B (en) * | 2019-09-30 | 2021-02-02 | 国网山东省电力公司信息通信公司 | Multifunctional telephone conference system and method |
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