CN103023593B - The transmission of broadcast message, player method, client device, server and system - Google Patents
The transmission of broadcast message, player method, client device, server and system Download PDFInfo
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- CN103023593B CN103023593B CN201210465029.8A CN201210465029A CN103023593B CN 103023593 B CN103023593 B CN 103023593B CN 201210465029 A CN201210465029 A CN 201210465029A CN 103023593 B CN103023593 B CN 103023593B
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Abstract
The present invention is applicable to technical field of aerospace, provides a kind of transmission of broadcast message, player method, additionally provides the system that a kind of server and client side's equipment is combined into.The sending method of broadcast message comprises: server sends pause instruction according to the broadcast message listened to client device, suspends to make described client device the multimedia file play according to described pause instruction; Described server sends described broadcast message to described client device, plays described broadcast message to make described client device.In embodiments of the present invention, by being suspended by the multimedia file play, ensure that passenger hears the safety instruction that crew plays or emergency notice, with the problem avoiding passenger to there is potential safety hazard because missing important information in flight course.
Description
Technical field
The invention belongs to technical field of aerospace, particularly relate to a kind of transmission of broadcast message, player method and client device, server and system.
Background technology
Along with the progress of science and technology of aviation, from strength to strength, function is more and more complete in the configuration of aircraft, even if aerial at height, terminal has accessed airborne wireless communication system, also can realize function of surfing the Net, passenger can by netcast audio frequency, video, play games, to enjoy happy flight course.
But, in flight course, aircraft needs to play some safety instructions or emergency notice, to ensure the safety of passenger, and passenger is when using terminal access airborne wireless communication system, can the broadcast sound volume of free control terminal, when terminal volume is adjusted to higher by passenger, the safety instruction being then difficult to hear that crew plays or emergency notice, thus cause passenger in flight course, there is the problem of potential safety hazard because missing important information.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of broadcast message sending, receiving method, be intended to solution existing when terminal volume is adjusted to higher by passenger, the safety instruction being then difficult to hear that crew plays or emergency notice, cause passenger in flight course, there is the problem of potential safety hazard because missing important information.
The embodiment of the present invention is achieved in that and comprises a kind of method that broadcast message sends:
Server sends pause instruction according to the broadcast message listened to client device, suspends to make described client device the multimedia file play according to described pause instruction;
Described server sends described broadcast message to described client device, plays described broadcast message to make described client device.
Another object of the embodiment of the present invention is to comprise a kind of method providing broadcast message to receive:
The pause instruction that client device reception server sends, described pause instruction is sent to described client device according to the broadcast message listened to by described server;
Described client device suspends the multimedia file play according to described pause instruction;
Described client device receives the broadcast message that described server sends;
Described client device plays described broadcast message.
Another object of the embodiment of the present invention is to provide a kind of server, comprising:
First transmitting element, for sending pause instruction according to the broadcast message listened to client device, suspends to make described client device the multimedia file play according to described pause instruction;
Second transmitting element, for sending described broadcast message to described client device, plays described broadcast message to make described client device.
Another object of the embodiment of the present invention is to provide a kind of client device, comprising:
First receiving element, for the pause instruction that reception server sends, described pause instruction is sent to described client device according to the broadcast message listened to by described server;
Suspend unit, for suspending the multimedia file play according to described pause instruction;
Second receiving element, for receiving the broadcast message that described server sends;
Broadcast unit, for playing described broadcast message.
Another object of the embodiment of the present invention is to provide a kind of airborne PA signal management system, and comprise server and multiple client device, described server is connected with the PA system signal on aircraft.
In embodiments of the present invention, by being suspended by the multimedia file play, ensure that passenger hears the safety instruction that crew plays or emergency notice, with the problem avoiding passenger to there is potential safety hazard because missing important information in flight course.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the report information transmission method that the embodiment of the present invention provides;
Fig. 2 is the realization flow figure of the broadcast message method of reseptance that the embodiment of the present invention provides;
Fig. 3 is the mutual realization flow of server and client side's equipment that the embodiment of the present invention provides;
Fig. 4 is the structured flowchart of the broadcast message processing unit that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, by being suspended by the multimedia file play, ensure that passenger hears the safety instruction that crew plays or emergency notice, with the problem avoiding passenger to there is potential safety hazard because missing important information in flight course.
Fig. 1 shows the realization flow of the report information transmission method that the embodiment of the present invention provides, and in the present embodiment, the executive agent of flow process is server, and details are as follows:
In step S101, server sends pause instruction according to the broadcast message listened to client device, suspends to make this client device the multimedia file play according to this pause instruction.
In embodiments of the present invention, broadcast message is passenger's notice (PA:Passenger announcement) information, by aircraft PA system produce after with PA signal transmission to server, this PA signal comprises the switching signal of Low level effective, and described server sends described pause instruction according to described switching signal to client device.
In the present embodiment, server is positioned at aircraft passenger compartment and has accessed airborne wireless communication system.Server needs the monitoring uninterruptedly kept broadcast message, to ensure the safety instruction or the emergency notice that receive crew's broadcasting, specifically can increase a signal transceiver at server, realize the monitoring to broadcast message.When server listens to broadcast message, broadcast message is decoded, draw discrete broadcast singal, switching signal is obtained in discrete broadcast singal, server is driven to send pause instruction to the client device of access airborne wireless communication system according to switching signal, to make client device suspend the multimedia file play, guarantee that passenger hears the safety instruction that crew plays or emergency notice.
In addition, the multimedia file play is carried out the specific implementation process suspended by client device, is described, does not repeat at this in subsequent embodiment.
As a preferred embodiment of the present invention, server sends pause instruction according to the broadcast message listened to client device and is specially: server obtains the rank of the broadcast message listened to; When the rank of this broadcast message is greater than pre-set level, this server sends pause instruction to client device.
Specifically can before issue broadcast message, crew is according to the rank of the content choice broadcast message of broadcast message, according to the rank selected, the Level Identifier corresponding with it is added in the coding of broadcast message, the pass of rank and Level Identifier is one_to_one corresponding, and Level Identifier is for distinguishing the significance level of broadcast message.Rank as broadcast message is divided into 1 to 8 grade, and rank is by sorting from low to high, and 8 grades is highest.When the rank of broadcast message is chosen as 1 grade, in coding, add the 1 grade identifier corresponding with it, in like manner, when the rank of broadcast message is chosen as other rank, in coding, add the Level Identifier corresponding with it.The rank of broadcast message also can adopt high, normal, basic, upper other mode inferior to divide, and does not limit at this.
For ease of explanation, for practical application, when the weather forecast that the content broadcasted is aircraft destination, during local customs, crew can select the rank of broadcast message, when broadcast message rank is chosen as 2 grades by crew, now, the 2 grade identifiers corresponding with it are added in the coding of broadcast message, after interpolation, broadcast message is sent again by passenger's broadcasting equipment, the server being always in listening state gets broadcast message, and broadcast message is decoded, draw 2 grades of identifiers, show that the rank of broadcast message is 2 grades by these 2 grades of identifiers.If when pre-set level is 5 grades, 2 grades are not more than pre-set level, then server does not send pause instruction to client device.In like manner, when pre-set level is 5 grades, if when the rank of broadcast message is 1 grade to 5 grades, this rank is not more than pre-set level, then server does not send pause instruction to client device, if when the rank of broadcast message is 6 grades to 8 grades, this rank is greater than pre-set level, then server sends pause instruction to client device.
If when server obtains the broadcast message listened to, can first judge after read switch signal may need to send pause instruction to client device, then again according to the Level Identifier in broadcast message, the rank of broadcast message is judged, when the rank of broadcast message is greater than pre-set level, server sends pause instruction to client device.If the rank of broadcast message is not more than pre-set level, then server does not send pause instruction to client device, to make crew can select rank voluntarily according to the significance level of broadcast message, controls broadcast message flexibly.
In step s 102, server sends broadcast message to client device, plays this broadcast message to make this client device.
In embodiments of the present invention, server and client side's equipment has all accessed airborne wireless communication system, client device is for being positioned at aircraft passenger compartment, the mobile terminal of access airborne wireless communication system, server can be the server of airborne wireless communication system, when server listens to broadcast message, passes through radio reception device, mobile terminal to all access airborne wireless communication systems sends broadcast message, receives broadcast message to make all client devices and plays.
For ease of illustrating, for practical application, aboard, can by the access way of wifi, the mobile terminal carried of aircraft and user connects, forming machine carrier radio communication system.Preferably, server is wifi server, when server listens to broadcast message, by the mobile terminal transmission broadcast message of radio reception device to all access airborne wireless communication systems, airborne WIFI system plays audio frequency is accessed with the mobile terminal making passenger carry in use, during video, even if mobile terminal loudness will be carried when being adjusted to higher, also can by carrying mobile terminal playing broadcast message, hear the safety instruction that crew plays or emergency notice, thus stopped the potential safety hazard that passenger exists because missing important information in flight course.
The realization flow of the method that a kind of broadcast message that Fig. 2 shows the embodiment of the present invention to be provided receives, the executive agent of flow process is client device, and details are as follows:
In step s 201, the pause instruction that client device reception server sends, this pause instruction is sent to client device according to the broadcast message listened to by server.
In the present embodiment, client device, for being positioned at aircraft passenger compartment, accesses the mobile terminal of airborne wireless communication system.After client device access airborne communication system, the content to server sends is needed to carry out real-time listening at client device.Can when client device accesses airborne communication system, distribute unique identification to each client device, and with the form of a control, open and monitor instruction, monitor pause instruction and broadcast message simultaneously, be convenient to pause instruction and the broadcast message of the transmission of client device reception server.
In step S202, client device suspends the multimedia file play according to pause instruction.
In embodiments of the present invention, multimedia file includes but not limited to audio files, image file, graphic file, text file.When client device receives pause instruction, judged by the execute file in system process, if there is multimedia player in system in work, the instruction of mandatory pause is sent to multimedia player, the multimedia file that client device is being play is suspended, avoid the sound interference that multimedia may exist, improve the attention of passenger to broadcast message simultaneously.
Owing to only having the sound interference of audio files existence to broadcast message in multimedia file, as another preferred embodiment of the present invention, client device suspends audio signal and the vision signal of the multimedia file play according to pause instruction.
In the present embodiment, only can send the instruction of mandatory pause to the player of audio frequency, video file, the audio frequency play passenger, video file suspend, to avoid the interference of audio frequency, video sound.Alternatively, also can the passage that other player is connected with sound card be shielded, specifically by installing control in client device prompt passengers, and set up the passage of control and sound card, allow client device give the authority of this control higher than other player simultaneously, when client device receives the pause instruction of aircraft, shield the passage that other player is connected with sound card.
In step S203, client device receives the broadcast message that this server sends.
After the multimedia file play is suspended, client device receiving broadcasting information.
In step S204, client device plays broadcast message.Meanwhile, the output of client device to sound card detects, and closes, then open output, and play broadcast message on a client device if sound card exports.
As the preferred embodiments of the present invention, when client device finishes broadcast message, return to server and play successful response message, after server receives and plays successful response message, determine that broadcast message finishes at client device, cancel and resend this broadcast message to this client device, avoid sending to same client device the broadcast message repeated.In addition, client device finishes broadcast message, and by identifying that the end identifier in broadcast message judges, concrete detection end identifier is known technology, does not repeat at this.
Need to be described, when broadcast message exists rank and rank is not more than pre-set level, server does not send pause instruction to client device, sends broadcast message directly to client device.Now, after the broadcast message that client device reception server sends, it can be play together with the multimedia file play, certainly also can ignore this broadcast information according to the selection that specifically arranges of client device.
As another preferred embodiment of the present invention, after broadcast message finishes, client device recovers the former progress of multimedia file, and according to former progress, multimedia file is play, the playing progress rate of this former progress when to be client device suspend according to pause instruction the multimedia file play.Particularly, record client device suspends the playing progress rate during multimedia file play, using this playing progress rate as former progress, after broadcast message finishes, the instruction continuing to play is sent to multimedia player, and the former progress by recording before, jump to corresponding position according to former progress, to realize the continued access with former progress, be convenient to the multimedia file that passenger continues to play.
As another preferred embodiment of the present invention, when playing broadcast message, sound card fault may be there is or sound card quiet, and the problem that passenger's hearing is not concentrated, screen demonstrates broadcast message, specifically by the page of drafting one display and mark can be read, the content of display of broadcast on screen, after passenger clicks reading mark, the sender to broadcast message returns and reads mark, represent that passenger reads, situation about not hearing to avoid passenger.
As a preferred embodiment of the present invention, if the client device same time is when receiving n broadcast message, then obtain the rank of n broadcast message, this n be greater than 1 integer, according to rank height sequence as the playing sequence of broadcast message, according to playing sequence, broadcast message is play.As 1 grade, 4 grades, 6 grades three ranks, then by rank 6 grades, the sequence of 4 grades, 1 grade, broadcast message is play.
As a preferred embodiment of the present invention, client device, according to the different stage of broadcast message, is play with different display modes broadcast message.If when broadcast message is 6 grades to 8 grades, then the display mode of giving prominence to VOLUME UP and display face is play; If when broadcast message is 3 grades to 5 grades, then the display mode of the font of comparatively deepening with moderate volume and color is play; If when broadcast message is 1 grade to 2 grades, then to play compared with amount of bass and the display mode that the font of being fade-in fade-out is carried out, to reach diversified display effect, in addition, other display mode can also be adopted to the broadcasting of broadcast message, not limit at this.
As another preferred embodiment of the present invention, Fig. 3 shows the mutual realization flow of server and client side's equipment, and details are as follows:
1, server sends pause instruction to client device;
2, after client device receives the pause instruction of server, this pause instruction is decoded, suspend the multimedia file play according to this pause instruction;
3, client device returns the response message run succeeded to server, carries broadcast message solicited message in message;
4, after server receives the response message run succeeded that client device returns, send acknowledge message to client device, carry broadcast message in message and send information, represent the transmitter ready of broadcast message;
5, the acknowledge message that issues of client device reception server, according to this confirmation, prepares the reception to broadcast message;
6, server load broadcast information, and broadcast message is encoded, after coding, this broadcast message is sent to client device, carry in broadcast message and play successful return messages, represent that in Preset Time the successful response message of broadcasting that client device returns if do not receive then retransmits broadcast message to client device.
7, the broadcast message that issues of client device reception server, decodes to broadcast message, after decoding, play broadcast message on a client device, after finishing, send to server device and play successful response message, in message, carry cancellation retransmission information.
8, after server receives the successful response message of broadcasting that client device returns, cancel and retransmit broadcast message to client device.
What needs were described is, when the rank of broadcast message is not more than pre-set level, server does not send pause instruction to client device, the realization flow that now server and client side's equipment is mutual, only need implement above-mentioned 6th step and the 8th step, without the need to carrying out first above-mentioned step to five steps, in this case client device can not suspend the multimedia file play, but play-over broadcast message, certainly also can ignore this broadcast information according to the selection that specifically arranges of client device.
Fig. 4 shows the structured flowchart of a kind of broadcast message processing unit that the embodiment of the present invention provides, and this device lays respectively at server and client side's equipment, runs this report information transmission method described in Fig. 1 and Fig. 2 embodiment and report information transmission method respectively.This device can run on the various network communication terminals by wired or wireless network access server, include but not limited to airborne broadcasting equipment, vehicle entertainment device, mobile phone, pocket computer (Pocket Personal Computer, PPC), palmtop PC, computer, notebook computer, personal digital assistant (Personal Digital Assistant, PDA) etc.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 4, at server, this device comprises:
First transmitting element 41, for sending pause instruction according to the broadcast message listened to client device, suspends to make this client device the multimedia file play according to pause instruction.
Second transmitting element 42, for sending broadcast message to client device, plays broadcast message to make this client device.
Alternatively, this server also comprises:
Rank acquiring unit, for obtaining the rank of the broadcast message listened to.
Send subelement, for when the rank of broadcast message is greater than pre-set level, server sends pause instruction to client device.
Particularly, server, for being positioned at aircraft passenger compartment, accesses the server of airborne wireless communication system.
Particularly, broadcast message is for flying Passenger On Board broadcasting equipment (Passenger Announcement, PA) the discrete broadcast singal transmission produced, this discrete broadcast singal comprises the switching signal of Low level effective, and this switching signal sends pause instruction for driving server to client device described in each.
At client device, this device comprises:
First receiving element 43, the pause instruction that reception server sends, this pause instruction is sent to this client device according to the broadcast message listened to by this server.
Suspend unit 44, suspend the multimedia file play according to pause instruction.
Second receiving element 45, the broadcast message that reception server sends.
Broadcast unit 46, plays broadcast message.
Alternatively, broadcast unit, also for after broadcast message finishes, recovers to play the multimedia file play.
Alternatively, unit is suspended specifically for suspending audio signal and the vision signal of the multimedia file play according to pause instruction.
Particularly, client device, for being positioned at aircraft passenger compartment, accesses the mobile terminal of airborne wireless communication system.
In embodiments of the present invention, by being suspended by the multimedia file play, ensure that passenger hears the safety instruction that crew plays or emergency notice, with the problem avoiding passenger to there is potential safety hazard because missing important information in flight course.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a sending method for broadcast message, is characterized in that, comprising:
Server sends pause instruction according to the broadcast message listened to client device, suspends to make described client device the multimedia file play according to described pause instruction;
Described server sends described broadcast message to described client device, plays described broadcast message to make described client device;
Wherein, described broadcast message notifies PA information for passenger, after being produced by the PA system of aircraft with PA signal transmission to server;
Wherein, described server is positioned at aircraft passenger compartment, and accessed the server of airborne wireless communication system, and described client device, for being positioned at aircraft passenger compartment, accesses the mobile terminal of airborne wireless communication system.
2. the method for claim 1, is characterized in that, server sends pause instruction according to the broadcast message listened to client device and is specially:
Described server obtains the rank of the described broadcast message listened to;
When the rank of described broadcast message is greater than pre-set level, described server sends described pause instruction to described client device.
3. method as claimed in claim 1 or 2, is characterized in that, described server is for being positioned at aircraft passenger compartment, and access the server of airborne wireless communication system, the concrete mode that described server sends described broadcast message to described client device is:
Described server sends described broadcast message by wireless network to described client device.
4. method as claimed in claim 1 or 2, it is characterized in that, described PA signal comprises the switching signal of Low level effective, and described server sends described pause instruction according to described switching signal to client device.
5. a player method for broadcast message, is characterized in that, comprising:
The pause instruction that client device reception server sends, described pause instruction is sent to client device according to the broadcast message listened to by server;
Described client device suspends the multimedia file play according to described pause instruction;
Described client device receives the broadcast message that described server sends;
Described client device plays described broadcast message;
Wherein, described broadcast message notifies PA information for passenger, after being produced by the PA system of aircraft with PA signal transmission to server;
Wherein, described server is positioned at aircraft passenger compartment, and accessed the server of airborne wireless communication system, and described client device, for being positioned at aircraft passenger compartment, accesses the mobile terminal of airborne wireless communication system.
6. method as claimed in claim 5, it is characterized in that, described client device suspends according to described pause instruction the multimedia file play and is specially:
The audio signal of the multimedia file play described in described client device suspends according to described pause instruction and vision signal;
Described method also comprises: after client device finishes described broadcast message, described client device recovers the former progress of described multimedia file, and according to described former progress, described multimedia file is play, the playing progress rate of described former progress when to be described client device suspend according to described pause instruction the multimedia file play.
7. a server, is characterized in that, comprising:
First transmitting element, for sending pause instruction according to the broadcast message listened to client device, suspends to make described client device the multimedia file play according to described pause instruction;
Second transmitting element, for sending described broadcast message to described client device, plays described broadcast message to make described client device;
Wherein, described broadcast message notifies PA information for passenger, after being produced by the PA system of aircraft with PA signal transmission to server;
Wherein, described server is positioned at aircraft passenger compartment, and accessed the server of airborne wireless communication system, and described client device, for being positioned at aircraft passenger compartment, accesses the mobile terminal of airborne wireless communication system.
8. server as claimed in claim 7, it is characterized in that, described first transmitting element, specifically comprises:
Rank obtains subelement, for obtaining the rank of the described broadcast message listened to;
Send subelement, for when the rank of described broadcast message is greater than pre-set level, described server sends described pause instruction to described client device.
9. a client device, is characterized in that, comprising:
First receiving element, for the pause instruction that reception server sends, described pause instruction is sent to described client device according to the broadcast message listened to by described server;
Suspend unit, for suspending the multimedia file play according to described pause instruction;
Second receiving element, for receiving the broadcast message that described server sends;
Broadcast unit, for playing described broadcast message;
Wherein, described broadcast message notifies PA information for passenger, after being produced by the PA system of aircraft with PA signal transmission to server;
Wherein, described server is positioned at aircraft passenger compartment, and accessed the server of airborne wireless communication system, and described client device, for being positioned at aircraft passenger compartment, accesses the mobile terminal of airborne wireless communication system.
10. an airborne PA signal management system, comprises the server described in claim 7 or 8 and multiple client device, and described server is connected with the PA system signal on aircraft;
Wherein, described server is positioned at aircraft passenger compartment, and accessed the server of airborne wireless communication system, and described client device, for being positioned at aircraft passenger compartment, accesses the mobile terminal of airborne wireless communication system.
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| CN201210465029.8A CN103023593B (en) | 2012-11-16 | 2012-11-16 | The transmission of broadcast message, player method, client device, server and system |
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| US9686816B2 (en) | 2014-07-22 | 2017-06-20 | Huawei Technologies Co., Ltd. | Pause signals for full-duplex wireless networks |
| CN104640209A (en) * | 2015-03-11 | 2015-05-20 | 李兴松 | System and method for wireless cell paging based on WIFI (wireless fidelity) |
| CN105263063A (en) * | 2015-10-14 | 2016-01-20 | 天脉聚源(北京)传媒科技有限公司 | Playing control method and device |
| CN111711503B (en) * | 2020-06-03 | 2022-07-22 | 广州辉群智能科技有限公司 | Broadcasting system, control method of broadcasting system and electronic equipment |
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