CN103023593A - Methods for sending and playing broadcast information, client equipment, server and system - Google Patents
Methods for sending and playing broadcast information, client equipment, server and system Download PDFInfo
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- CN103023593A CN103023593A CN2012104650298A CN201210465029A CN103023593A CN 103023593 A CN103023593 A CN 103023593A CN 2012104650298 A CN2012104650298 A CN 2012104650298A CN 201210465029 A CN201210465029 A CN 201210465029A CN 103023593 A CN103023593 A CN 103023593A
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Abstract
The invention is suitable for the technical field of aerospace, and provides methods for sending and playing broadcast information, and a system consisting of a server and client equipment. The method for sending the broadcast information comprises the following steps that the server sends a pause instruction to the client equipment according to the monitored broadcast information, so that the client equipment pauses a playing multimedia file according to the pause instruction; and the server sends the broadcast information to the client equipment, so that the client equipment plays the broadcast information. By the embodiment, the playing multimedia file is paused, so that passengers can hear safety instructions or emergency notices played by a flight crew; and therefore, the problem of potential safety hazard, which is caused by missing of important information during flying, of the passengers is solved.
Description
Technical field
The invention belongs to the aeronautical technology field, relate in particular to a kind of transmission, player method and client device, server and system of broadcast message.
Background technology
Along with the progress of science and technology of aviation, the configuration of aircraft from strength to strength, function is more and more complete, even aerial at height, terminal has accessed the airborne wireless communication system, also can realize function of surfing the Net, the passenger can be by netcast audio frequency, video, play games, to enjoy happy flight course.
Yet, in flight course, aircraft need to be play some safety instructions or emergency notice, to guarantee passenger's safety, and the passenger is when using terminal access airborne wireless communication system, and broadcast sound volume that can free control terminal is when the passenger transfers to the terminal volume when higher, then be difficult to safety instruction or the emergency notice of hearing that the crew plays, thereby cause the passenger in flight course, to have the problem of potential safety hazard because missing important information.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of broadcast message sending, receiving method, be intended to solve and existingly the terminal volume transferred to when higher as the passenger, then be difficult to safety instruction or the emergency notice of hearing that the crew plays, cause the passenger in flight course, to have the problem of potential safety hazard because missing important information.
The embodiment of the invention is achieved in that the method that a kind of broadcast message sends, and comprising:
Server sends pause instruction according to the broadcast message that listens to client device, so that described client device suspends in progress multimedia file according to described pause instruction;
Described server sends described broadcast message to described client device, so that described client device is play described broadcast message.
Another purpose of the embodiment of the invention is to provide a kind of method of broadcast message reception, comprising:
The pause instruction that the client device reception server sends, described pause instruction is sent to described client device according to the broadcast message that listens to by described server;
Described client device suspends in progress multimedia file according to described pause instruction;
Described client device receives the broadcast message that described server sends;
Described client device is play described broadcast message.
Another purpose of the embodiment of the invention is to provide a kind of server, comprising:
The first transmitting element is used for sending pause instruction according to the broadcast message that listens to client device, so that described client device suspends in progress multimedia file according to described pause instruction;
The second transmitting element is used for sending described broadcast message to described client device, so that described client device is play described broadcast message.
Another purpose of the embodiment of the invention is to provide a kind of client device, comprising:
The first receiving element is used for the pause instruction that reception server sends, and described pause instruction is sent to described client device according to the broadcast message that listens to by described server;
Suspend the unit, be used for suspending in progress multimedia file according to described pause instruction;
The second receiving element is used for receiving the broadcast message that described server sends;
Broadcast unit is used for playing described broadcast message.
Another purpose of the embodiment of the invention is to provide a kind of airborne PA signal management system, comprises server and a plurality of client device, and described server is connected with PA system signal on the aircraft.
In embodiments of the present invention, by in progress multimedia file is suspended, guarantee safety instruction or emergency notice that the passenger hears that the crew plays, in flight course, have the problem of potential safety hazard because missing important information to avoid the passenger.
Description of drawings
Fig. 1 is the realization flow figure of the report information transmission method that provides of the embodiment of the invention;
Fig. 2 is the realization flow figure of the broadcast message method of reseptance that provides of the embodiment of the invention;
Fig. 3 is the mutual realization flow of server and client side's equipment that the embodiment of the invention provides;
Fig. 4 is the structured flowchart of the broadcast message processing unit that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, 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, is not intended to limit the present invention.
In embodiments of the present invention, by in progress multimedia file is suspended, guarantee safety instruction or emergency notice that the passenger hears that the crew plays, in flight course, have the problem of potential safety hazard because missing important information to avoid the passenger.
Fig. 1 shows the realization flow of the report information transmission method that the embodiment of the 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 that listens to client device, so that this client device suspends in progress multimedia file according to this pause instruction.
In embodiments of the present invention, broadcast message is passenger's notice (PA:Passenger announcement) information, pass to server with the PA signal after the PA system generation by aircraft, 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 the airborne wireless communication system.Server needs the uninterrupted monitoring that keeps broadcast message, to guarantee receiving safety instruction or the emergency notice that the crew plays, specifically can increase a signal transceiver at server, realizes the monitoring to broadcast message.When server listens to broadcast message, broadcast message is decoded, draw discrete broadcast singal, in discrete broadcast singal, obtain switching signal, drive server to the client device transmission pause instruction of access airborne wireless communication system according to switching signal, so that client device suspends in progress multimedia file, guarantee safety instruction or emergency notice that the passenger hears that the crew plays.
In addition, client device describes the specific implementation process that in progress multimedia file suspends in subsequent embodiment, does not do at this and gives unnecessary details.
As a preferred embodiment of the present invention, server sends pause instruction according to the broadcast message that listens to client device and is specially: server obtains the rank of the broadcast message that listens to; When the rank of this broadcast message during greater than pre-set level, this server sends pause instruction to client device.
Specifically can be before the issue broadcast message, the crew is according to the rank of the content choice broadcast message of broadcast message, according to the rank of selecting, in the coding of broadcast message, add the rank identifier corresponding with it, the pass of rank and rank identifier is corresponding one by one, and the rank identifier is used for distinguishing the significance level of broadcast message.Rank such 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 rank identifier corresponding with it.The rank of broadcast message also can adopt high, normal, basic, upper inferior other mode to divide, and does not limit at this.
For ease of explanation, take practical application as example, when the content of broadcasting is the weather forecast of aircraft destination, during local customs, the crew can select the rank of broadcast message, when the crew is chosen as 2 grades with the broadcast message rank, at this moment, in the coding of broadcast message, add the 2 grade identifiers corresponding with it, adds complete after, pass through again passenger's broadcasting equipment transmission broadcast message, the server that always is in listening state gets access to broadcast message, and broadcast message decoded, drawing 2 grades of identifiers, the rank that draws broadcast message by these 2 grades of identifiers is 2 grades.When if pre-set level is 5 grades, 2 grades are not more than pre-set level, and then server does not send pause instruction to client device.In like manner, when pre-set level is 5 grades, when if 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 was 6 grades to 8 grades, this rank was greater than pre-set level, then server sends pause instruction to client device.
When if server obtains the broadcast message that listens to, at first judging behind the read switch signal may need to send pause instruction to client device, then again according to the rank identifier in the broadcast message, rank to broadcast message is judged, when the rank of broadcast message during 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, so that the crew can select rank voluntarily according to the significance level of broadcast message, controls flexibly broadcast message.
In step S102, server sends broadcast message to client device, so that this client device is play this broadcast message.
In embodiments of the present invention, server and client side's equipment has all accessed the airborne wireless communication system, client device is for being positioned at aircraft passenger compartment, the portable 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, portable terminal to all access airborne wireless communication systems sends broadcast message, so that all client devices receive broadcast message and play.
For ease of explanation, take practical application as example, aboard, and can be by the access way of wifi, aircraft and user's the portable terminal that carries connects, and forms the airborne wireless communication system.Preferably, server is the wifi server, when server listens to broadcast message, by the portable terminal transmission broadcast message of radio reception device to all access airborne wireless communication systems, so that the portable terminal that the passenger carries in use is when accessing airborne WIFI system plays audio frequency, video, even will carry mobile terminal loudness transfers to when higher, also can be by carrying the mobile terminal playing broadcast message, hear safety instruction or emergency notice that the crew plays, thereby stopped the potential safety hazard that the 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 invention to be provided receives, the executive agent of flow process is client device, details are as follows:
In step S201, the pause instruction that the client device reception server sends, this pause instruction is sent to client device according to the broadcast message that listens to by server.
In the present embodiment, client device is for being positioned at aircraft passenger compartment, the portable terminal of access airborne wireless communication system.Behind the client device access airborne communication system, need to carry out real-time listening to the content that server sends at client device.Can be when client device accesses airborne communication system, distribute unique identification for each client device, and with the form of a control, open and monitor instruction, monitor simultaneously pause instruction and broadcast message, be convenient to pause instruction and broadcast message that the client device reception server sends.
In step S202, client device suspends in progress multimedia file 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, judge by the execute file in system process, if exist multimedia player in work in the system, send the instruction of mandatory pause to multimedia player, the in progress multimedia file of client device is suspended, the sound interference of avoiding multimedia to exist has improved the attention of passenger to broadcast message simultaneously.
Because only have the audio files existence to the sound interference of broadcast message in multimedia file, as another preferred embodiment of the present invention, client device suspends audio signal and the vision signal of in progress multimedia file according to pause instruction.
In the present embodiment, can only send the instruction of mandatory pause to the player of audio frequency, video file, the in progress audio frequency of passenger, video file be suspended, 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 can be by in the client device prompt passengers control being installed, and set up the passage of control and sound card, allow simultaneously client device give the authority that this control is higher than other player, 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 in progress multimedia file is suspended, the client device receiving broadcasting information.
In step S204, client device is play broadcast message.Meanwhile, client device detects the output of sound card, if sound card output is closed, then opens output, and plays broadcast message at client device.
As the preferred embodiments of the present invention, when client device finishes broadcast message, return the successful response message of broadcast to server, after server receives and plays successful response message, determine that broadcast message finishes at client device, cancellation resends this broadcast message to this client device, avoids sending the broadcast message that repeats to same client device.In addition, client device finishes broadcast message, can judge by the end identifier in the identification broadcast message, and specifically detecting end identifier is known technology, does not do at this and gives unnecessary details.
What need to describe is, when there is rank in broadcast message and rank be not more than pre-set level, server does not send pause instruction to client device, directly sends broadcast message to client device.At this moment, after the broadcast message that the client device reception server sends, it can be play with in progress multimedia file, certainly also can select to ignore this broadcast information according to specifically arranging 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, this former progress is the playing progress rate of client device when suspending in progress multimedia file according to pause instruction.Particularly, playing progress rate when the record client device suspends in progress multimedia file, with this playing progress rate as former progress, after broadcast message finishes, send the instruction that continues broadcast to multimedia player, and pass through the before former progress of record, jump to corresponding position according to former progress, to realize and the continued access of former progress, be convenient to the multimedia file that the passenger continues to play.
As another preferred embodiment of the present invention, when playing broadcast message, may exist sound card fault or sound card quiet, and the unconcentrated problem of passenger's hearing, demonstrate broadcast message at screen, specifically can be by the page and the reading sign of drawing a demonstration, the content of display of broadcast on screen, when the passenger click read sign after, return to the sender of broadcast message and to read sign, the expression passenger reads, with the situation of avoiding the passenger not hear.
As a preferred embodiment of the present invention, if the same time of client device is when receiving n broadcast message, then obtain the rank of n broadcast message, this n is the integer greater than 1, according to the playing sequence of rank ordering just as broadcast message, according to playing sequence broadcast message is play.Such as 1 grade, 4 grades, 6 grades three ranks, then by 6 grades of ranks, 4 grades, 1 grade ordering broadcast message is play.
As a preferred embodiment of the present invention, client device is play with different display modes broadcast message according to the different stage of broadcast message.When if broadcast message is 6 grades to 8 grades, then play to strengthen the outstanding display mode of volume and display face; When if broadcast message is 3 grades to 5 grades, the display mode of the font of then comparatively deepening with moderate volume and color is play; When if broadcast message is 1 grade to 2 grades, then to play than 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, can also adopt other display mode to the broadcast of broadcast message, do 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 is received the pause instruction of server, this pause instruction is decoded, suspend in progress multimedia file according to this pause instruction;
3, client device returns the response message that runs succeeded to server, carries the broadcast message solicited message in the message;
4, after server is received the response message that runs succeeded that client device returns, send acknowledge message to client device, carry broadcast message in the message and send information, the transmitter ready of expression broadcast message;
5, the affirmation message that issues of client device reception server according to this confirmation, is prepared the reception to broadcast message;
6, server load broadcast information, and broadcast message encoded, encode complete after, send this broadcast message to client device, carry in the broadcast message and play successful return messages, be illustrated in the Preset Time, if do not receive the response message of the broadcast success that client device returns, then retransmit broadcast message to client device.
7, the broadcast message that issues of client device reception server is decoded to broadcast message, decode complete after, play broadcast message at client device, after finishing, send the successful response message of broadcast to server device, carry the cancellation retransmission information in the message.
8, after server was received the response message of the broadcast success that client device returns, cancellation retransmitted broadcast message to client device.
What need to describe is, when the rank of broadcast message is not more than pre-set level, server does not send pause instruction to client device, the mutual realization flow of server and client side's equipment this moment, only need to implement above-mentioned the 6th step and the 8th step, need not to carry out first above-mentioned step to the five steps, client device can not suspend in progress multimedia file in this case, but play-over broadcast message, certainly also can select to ignore this broadcast information according to specifically arranging of client device.
Fig. 4 shows the structured flowchart of a kind of broadcast message processing unit that the embodiment of the invention provides, and this device lays respectively at server and client side's equipment, moves respectively this Fig. 1 and the described report information transmission method of Fig. 2 embodiment and report information transmission method.This device can run on the diverse network communication terminal by wired or wireless network access server, include but not limited to airborne broadcasting equipment, airborne amusement equipment, 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, only show the part relevant with the present embodiment.
With reference to Fig. 4, at server, this device comprises:
The first transmitting element 41 is used for sending pause instruction according to the broadcast message that listens to client device, so that this client device suspends in progress multimedia file according to pause instruction.
The second transmitting element 42 is used for sending broadcast message to client device, so that this client device is play broadcast message.
Alternatively, this server also comprises:
The rank acquiring unit is for the rank of obtaining the broadcast message that listens to.
Send subelement, when being used for rank when broadcast message greater than pre-set level, server sends pause instruction to client device.
Particularly, server is for being positioned at aircraft passenger compartment, the server of access airborne wireless communication system.
Particularly, broadcast message is for flying Passenger On Board broadcasting equipment (Passenger Announcement, PA) the discrete broadcast singal transmission that produces, the broadcast singal that should disperse comprises the switching signal of Low level effective, and this switching signal is used for driving server and sends pause instruction to each described client device.
At client device, this device comprises:
The 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 that listens to by this server.
Suspend unit 44, suspend in progress multimedia file according to pause instruction.
The second receiving element 45, the broadcast message that reception server sends.
Alternatively, broadcast unit also is used for recovering to play in progress multimedia file after broadcast message finishes.
Alternatively, suspend audio signal and the vision signal that the unit specifically is used for suspending according to pause instruction in progress multimedia file.
Particularly, client device is for being positioned at aircraft passenger compartment, the portable terminal of access airborne wireless communication system.
In embodiments of the present invention, by in progress multimedia file is suspended, guarantee safety instruction or emergency notice that the passenger hears that the crew plays, in flight course, have the problem of potential safety hazard because missing important information to avoid the passenger.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the sending method of a broadcast message is characterized in that, comprising:
Server sends pause instruction according to the broadcast message that listens to client device, so that described client device suspends in progress multimedia file according to described pause instruction;
Described server sends described broadcast message to described client device, so that described client device is play described broadcast message.
2. the method for claim 1 is characterized in that, server sends pause instruction according to the broadcast message that listens to client device and is specially:
Described server obtains the rank of the described broadcast message that listens to;
When the rank of described broadcast message during 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 accesses the server of airborne wireless communication system for being positioned at aircraft passenger compartment, and described server to the concrete mode that described client device sends described broadcast message 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 broadcast message is notified PA information for the passenger, pass to described server with the PA signal after the PA system generation by aircraft, 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. the player method of a broadcast message is characterized in that, comprising:
The pause instruction that the client device reception server sends, described pause instruction is sent to client device according to the broadcast message that listens to by server;
Described client device suspends in progress multimedia file according to described pause instruction;
Described client device receives the broadcast message that described server sends;
Described client device is play described broadcast message.
6. method as claimed in claim 5 is characterized in that, described client device suspends in progress multimedia file according to described pause instruction and is specially:
Described client device suspends audio signal and the vision signal of described in progress multimedia file according to described pause instruction.
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, described former progress is the playing progress rate of described client device when suspending in progress multimedia file according to described pause instruction.
7. a server is characterized in that, comprising:
The first transmitting element is used for sending pause instruction according to the broadcast message that listens to client device, so that described client device suspends in progress multimedia file according to described pause instruction;
The second transmitting element is used for sending described broadcast message to described client device, so that described client device is play described broadcast message.
8. server as claimed in claim 7 is characterized in that, described the first transmitting element specifically comprises:
Rank is obtained subelement, is used for obtaining the rank of the described broadcast message that listens to;
Send subelement, when being used for rank when described broadcast message greater than pre-set level, described server sends described pause instruction to described client device.
9. a client device is characterized in that, comprising:
The first receiving element is used for the pause instruction that reception server sends, and described pause instruction is sent to described client device according to the broadcast message that listens to by described server;
Suspend the unit, be used for suspending in progress multimedia file according to described pause instruction;
The second receiving element is used for receiving the broadcast message that described server sends;
Broadcast unit is used for playing described broadcast message.
10. an airborne PA signal management system comprises claim 7 or 8 described servers and a plurality of client device, and described server is connected with PA system signal on the aircraft.
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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN103023593B CN103023593B (en) | 2015-10-28 |
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Also Published As
| Publication number | Publication date |
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| CN103023593B (en) | 2015-10-28 |
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