CN105281856A - Public broadcasting system and method - Google Patents
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- CN105281856A CN105281856A CN201510765881.0A CN201510765881A CN105281856A CN 105281856 A CN105281856 A CN 105281856A CN 201510765881 A CN201510765881 A CN 201510765881A CN 105281856 A CN105281856 A CN 105281856A
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Abstract
The invention belongs to the technical field of public broadcasting and computers, and provides a public broadcasting system and method. The public broadcasting system comprises a computer, broadcasting software and sound amplification equipment. The broadcasting software comprises a broadcasting control module and a multichannel control module. The broadcasting control module forms voice files according to demands. The multichannel control module reads the voice files and plays voice through the sound amplification equipment. According to the public broadcasting method, public broadcasting of the formed voice file sequences is directly realized through the sound amplification equipment via the broadcasting software installed on the computer. According to the system, the level and the structure of public broadcasting can be greatly simplified, and multiple sets of sound amplification equipment can be directly driven by one computer as for multi-partition broadcasting so that original work completed by combination of multiple sets of input control equipment, output control equipment and power amplification equipment can be realized, and wiring work of cables can be greatly reduced.
Description
Technical field
The present invention relates to public broadcasting, field of computer technology, particularly relate to a kind of Public Address system and method.
Background technology
Need the occasion of public broadcasting a lot of at present, such as: the public places such as airport, railway, automobile, ferry, park, school, hospital, factory.Typical Public Address system comprises: audiogenic device, sound pick-up outfit, teller machines, zonal control equipment, broadcast subregion (being combined by power amplifying device+sound amplifier) and client cables etc., wherein: audiogenic device comprises the various equipment that can provide audio-source, as magnetic tape station, CD player, MP3 player etc.; The broadcast of taped broadcast person is responsible for by sound pick-up outfit; Teller machines is responsible for the output of audio frequency, and first the audio signal of output can be given to zonal control equipment, and each output audio forms an output channel; Zonal control equipment can receive the audio frequency from multiple passage, and according to priority rule, finally outputs to the broadcast subregion of specifying; A broadcast subregion is generally combined by power amplifier and sound amplifier, and power amplifying device received audio signal, carries out amplifying or be given to after signal transacting sound amplifier and carry out voice output; Sound amplifier comprises the audio amplifier of all size and plays facility; The transmission of audio frequency needs special cable to guarantee transmission quality and the distance of sound, and the client cables quality requirements of audio frequency will far above general data cable, and price is also more than the several times of general network cable.Public broadcasting has fixing broadcasting studio more, all broadcast is sent by central broadcast room, although have now part public broadcasting to have employed remote microphone or achieve the means suitable of podcast with the mode that phone accesses, need special access device, and need the input of cost.
The structural complexity of Public Address system causes broadcast subregion once after determining, the situation that just can not arbitrarily change; In addition, due to the characteristic that sound has superposition mutually and mutually interferes, the sound effect that obtain, need according to factors such as broadcast covering, reflection, superpositions when building, the angle of fixing sound amplifier and position, the later stage cannot be changed easily; Meanwhile, tone frequency channel wire generally all buries between floors when building, once the fault occurring the aging of circuit and disconnect, and a replacing large problem especially of cable.
The broadcast of multi partition also refers to multichannel output.There is the basic demand that multiple broadcast subregion is public broadcasting.General multi partition is broadcasted and is exported realization by multichannel audio frequency, and the audio frequency of each passage exports correspondence one can broadcast subregion, also can broadcast subregion (needing the priority by hardware controls audio frequency) by corresponding one of multiple passage.Airport is a typical example, and different broadcast subregions needs different flight broadcast, and needs to broadcast in time according to flight business, needs not interfere with each other.Broadcast subregion is how many relevant with design concept and service requirement, and in theory, broadcast subregion is more, the better effects if of sectorization broadcast, but the broadcast subregion of undue refinement can bring the steep increasing of construction cost.And when practical application, still exist and cannot carry out broadcast system expansion, sound amplifier cannot be installed and the broadcast dead angle of causing.
The center-control characteristic of public broadcasting constrains the individual demand of broadcast.The sound wide coverage of public broadcasting, in the public arena that some are large-scale, if all broadcast all passes through public broadcasting, will seem very noisy, and there is the phenomenon of broadcast queuing.Such as: on a busy airport, the broadcast of each flight needs about 1 ~ 2 minute, in time having 10 flights need broadcast, certainly exists the delay of broadcast simultaneously.
The unified broadcast characteristic of public broadcasting, also constrains people to individual character broadcast or the requirement of multilingual broadcast.Such as: in Civil Aviation Airport industry, airline wishes that airport can provide the broadcast except China and British very much, but airport is very difficult, more nervous broadcast will be caused to queue up because the broadcast often increasing a kind of languages means.
Summary of the invention
The technical issues that need to address of the present invention are: for above-mentioned technological deficiency, the present invention proposes a kind of Public Address system, comprise computer, broadcast software, public address equipment, it is characterized in that: described broadcast software comprises Broadcasting Control module, Multichannel controller module, described Broadcasting Control module forms voice document sequence according to demand, described Multichannel controller module reads voice document sequence, carries out speech play by public address equipment.
Preferably, described Broadcasting Control module comprises the broadcast of phonetic synthesis formula, and described phonetic synthesis formula broadcast, according to the rule request of broadcast, is spliced into a voice document sequence multiple voice document.
, described phonetic synthesis formula broadcast comprises fixing splicing in above-mentioned arbitrary execution mode preferably, and described fixing splicing is carried out being spliced into a voice document sequence according to fixing order by multiple voice document.
, described phonetic synthesis formula broadcast also comprises dynamic splicing in above-mentioned arbitrary execution mode preferably, and described dynamic splicing multiple voice document is spliced into flexibly according to business datum the voice document sequence adapted in various situation.
, described Broadcasting Control module also comprises transcription in above-mentioned arbitrary execution mode preferably, and described transcription directly uses described computer recorded voice to form voice document.
, described transcription also comprises voice document equalization processing module in above-mentioned arbitrary execution mode preferably, and institute's voice file equalization processing module is used for carrying out equalization processing to the sound that described computer is recorded.
, described Broadcasting Control module also comprises customization broadcast in above-mentioned arbitrary execution mode preferably, and described customization broadcast is the voice document recorded.
, described Broadcasting Control module also comprises TTS broadcast in above-mentioned arbitrary execution mode preferably, and described TTS broadcast is that text transfers voice document to.
In above-mentioned arbitrary execution mode preferably, described Multichannel controller module comprises multiple passage, the all corresponding broadcast lists of each passage, an audio frequency data output buffer district, a public address equipment, described broadcast lists receives and deposits voice document sequence to be played, described audio frequency data output buffer district receives the voice document sequence of described broadcast lists, outputs to public address equipment and carries out speech play.
, described broadcast software also comprises interface module in above-mentioned arbitrary execution mode preferably, and described interface module is used for the data interaction of peripheral system and the upgrading of described Public Address system.
In above-mentioned arbitrary execution mode preferably, described computer adopts panel computer, PC or other computer equipment.
In above-mentioned arbitrary execution mode preferably, described public address equipment adopts common audio amplifier, Baffle Box of Bluetooth, IP audio amplifier.
For solving the problems of the technologies described above: the present invention also been proposed a kind of public broadcasting method, the method is by installing
Broadcast software on computers, directly realizes public broadcasting by the voice document of formation by public address equipment.
Preferably, the multichannel sound card on described computer is decomposed into multiple single channel and processes, the public address equipment of the corresponding broadcast subregion of each single channel difference in described multiple single channel.
In above-mentioned arbitrary execution mode preferably, described each single channel includes play sequence and audio frequency data output buffer district respectively.
In above-mentioned arbitrary execution mode preferably, the mode of described formation voice document is the broadcast of phonetic synthesis formula or transcription or customizes broadcast or TTS broadcast.
In above-mentioned arbitrary execution mode preferably, the voice document of formation is deposited in the play sequence of respective channel, when starting broadcasting, voice document to be played is outputted to audio frequency data output buffer district by play sequence, and the public address equipment corresponding by described passage plays institute's voice file.
, when needing multilingual to broadcast, the voice document of various language is left in order in play sequence corresponding to passage to be played in above-mentioned arbitrary execution mode preferably.
Traditional Public Address system, contain: source of sound input, input control apparatus, output control equipment, power amplifying device, public address equipment etc., connected by special audio cable between equipment, broadcast software, in traditional public broadcasting, just plays the effect providing source of sound.The system cloud gray model of large-scale public broadcasting is controlled by multiple computers, needs the state monitoring each broadcasting equipment, and needs the input and output controlling each audio frequency.Traditional public broadcasting is the hardware engineering of fixed, by the broadcast of the Background control whole district, and broadcast software just auxiliary function wherein, and once build up and not easily expand, there is serious equipment, the problem of maintaining cables.Advantage of the present invention is the level and the structure that greatly simplify public broadcasting.For the broadcast of multi partition, just can the multiple sound amplifier of Direct driver with a computer, achieve and originally must be combined the work that just can complete, and be greatly reduced the wiring installation of cable by multiple input control apparatus, output control equipment, power amplifying device.Meanwhile, due to the function support of this computer, computer also achieves the source of sound input function such as original sound pick-up outfit, CD playback equipment.Due to the miniaturization of system, also bring removable, can be portable feature.In addition, the control and management of the input and output of voice is directly achieved due to software, particularly, use the loading of script Dynamic controlling voice document and the mode of synthesis, make the present invention can be adapted to the application requirement of various industry more neatly, there is not the maintenance issues of equipment existing for traditional public broadcasting and circuit.The requirement that the present invention outputs to sound amplifier for audio frequency is lower, can adjust position and the direction of sound amplifier as required at any time, have very large flexibility and convenience.Therefore, present system can realize the requirement of public broadcasting for personalization, multichannel, multilingual professional broadcast completely, can as traditional public broadcasting supplement, provide service to the public, even can replace the function of large-scale broadcast for some places.Specific as follows:
1) employing user interface, business model are separated with Controlling model, by the change to business model, go for different industries.The increase of languages can carry out flexible configuration according to backstage.
2) all phonetic syntheses, Broadcasting Control, database purchase are all by a conputer controlled, and building of sound amplifier is simple, can set up a professional broadcast platform as required at any time; Particularly, on-the-spot employing wireless sound box (as Baffle Box of Bluetooth), reduces the arrangement difficulty of audio amplifier.
3) mode of dynamically splicing voice document can be adopted, software can be revised more neatly according to the demand of client, and do not need to remodify program.
4) unified management is carried out to the multichannel of sound card, form the output of multiple source of sound.Adopt multi-channel method, manipulate multiple audio amplifier simultaneously, just can do the control of multiple sectorization broadcast in this locality, and realize multi partition broadcast.
5) provide multilingual broadcast support, the carrying out of user's more regulation and standardization can be allowed to broadcast, help user to improve service quality.
6) portable panel computer can be adopted to have mobile model, and all operations realize by touch manner, facilitate user's mobile operating.
Accompanying drawing explanation
Fig. 1 is according to a kind of Public Address system structural representation of the present invention.
Fig. 2 is according to multi-way contral logical schematic in a kind of Public Address system shown in the present invention.
Fig. 3 is according to adopting IP audio amplifier public address equipment schematic layout pattern in a kind of Public Address system shown in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail; what be necessary to herein means out is; following embodiment is only for being further detailed the present invention; can not be interpreted as limiting the scope of the invention, person skilled in art can make some nonessential improvement and adjustment according to foregoing invention content to the present invention.
As shown in Figure 1, a kind of Public Address system of the present invention, comprise computer, broadcast software, public address equipment, described broadcast software comprises Broadcasting Control module, Multichannel controller module, described Broadcasting Control module forms voice document according to demand, described Multichannel controller module reads voice document, is play by public address equipment.
On the computer that broadcast software is installed, computer adopts panel computer, PC or other computer equipment.Employing mouse, touch manner operate, convenient; For the output mode of audio frequency, sound card is needed to support the output of multichannel; For sound-recording function, need microphone support.
Described Broadcasting Control module comprises the broadcast of phonetic synthesis formula, and described phonetic synthesis formula broadcast, according to the rule request of broadcast, is spliced into a voice document sequence multiple voice document.
Described phonetic synthesis formula broadcast comprises fixing splicing and dynamically splices, and described fixing splicing is carried out being spliced into a voice document sequence according to fixing order by multiple voice document.
Described dynamic splicing multiple voice document is spliced into flexibly according to business datum the voice document sequence adapted in various situation.Under adapting to various situation, according to the requirement of business datum synthetic speech, the synthesis that the mode that have employed script achieves dynamic voice is dynamically spliced in the present invention.Script meets the requirement that basic voice document loads, and dynamic load can be carried out according to the situation of business datum, script can load voice, also the remarks of voice can be loaded, compared with fixing splicing, when after increase voice document, user can be adjusted by outside script file, and does not need update routine.The script file of dynamic splicing comprises script loading, script compile and script and runs.
Script loads: script file adopts text mode, and different broadcast types can adopt different scripts, and the loading of script carries out when needed.
Script compile: script file needs the grammar request conformed with the regulations, and the grammer of script comprises: the definition of the definition of variable, the definition of constant, function/process, conditional statement, Do statement, comparison operation, arithmetical operation and string operation.
Script runs: the dummy order forming software identification after compiling.Software performs dummy order successively, dummy order can read the information of business datum, but different amendment service data information, the object of dummy order is according to condition, load voice document or remark information, final formation one can broadcast the character string of voice document sequence and remarks broadcasted content.
The Passenger Address of civil aviaton has set form requirement.For the rule control of broadcast, the present invention is loaded dynamically by the operation of script.
Broadcasting as example with boarding, have fixing code requirement for Chinese and English broadcast, is below their the Chinese syntax:
Go to _ _ _ _ passengers please 1. notes:
(mend class) that you take 10. _ _ _ _ 2. secondary flight start boarding now.With your carry-on articles well, boarding card please be shown, by _ _ _ _ 4. a number boarding gate board a plane.Thanks!
Wherein:
1) " go to "--be voice document, be numbered: b001
2) " passengers please note: you take "--be voice document, be numbered: b002
3) " secondary flight is started boarding now.With your carry-on articles well, boarding card please be shown, by "--be voice document, be numbered: b003
4) " board a plane in a number boarding gate."--be voice document, be numbered: b004
5) " thanks "--be voice document, be numbered: b005
6) " class is mended "--be voice document, be numbered: b010
1. 2. 4. content 10. then loads corresponding voice document according to concrete Scheduled Flight.
The dynamic script of voice document is as follows:
var
a:string;
begin
$WAV('b001');
$WAV_DES();
$WAV('b002');
A:=$ GET (' benefit class ');
ifa='true'then
begin
$WAV('b010');
end;
$WAV_FLT();
$WAV('b003');
$WAV_GATE();
$WAV('b04);
$WAV('b005');
end;
The handling process of above script is:
1) $ WAV (' b001'); Load b001 voice document
2) $ WAV_DES (); Get the destination of current flight;
3) $ WAV (' b002'); Load b002 voice document
4) a:=$ GET (' mend class '); Get and mend class's mark
5) whether ifa='true'then is mend class
begin
$ WAV (' b010'); Load b010 voice document
end;
6) $ WAV_FLT (); Load flight number
7) $ WAV (' b003'); Load b003 voice document
8) $ WAV_GATE (); Load boarding gate
9) $ WAV (' b04); Load b004 voice document
10) $ WAV (' b04); Load b005 voice document
Suppose, need broadcast: CA123 goes in Beijing the flight boarding in Shanghai, and boarding gate is No. 2 boarding gates.After loading Chinese Broadcasting Control script, by formation broadcast sequence file, the content of its broadcast is:
The passengers please in Shanghai is gone to note:
Benefit class CA123 flight that you take is started boarding now.With your carry-on articles well, boarding card please be shown, boarded a plane by No. 2 boarding gates.Thanks!
Described Broadcasting Control module also comprises transcription, and described transcription directly uses the computer recorded voice installing broadcast software to form voice document.In order to ensure that recorded voice and other voice document are consistent, transcription also comprises voice document equalization processing module, voice document equalization processing module carries out equalization processing to sound, sound low for volume is carried out the lifting process of volume, and the process of flat amount is carried out to the sound of louder volume.Adopting this calculating sound recording and broadcast, is also a feature of the small and exquisite property of this broadcast system.
Described Broadcasting Control module also comprises customization broadcast, and described customization broadcast is the voice document recorded.Other the voice document recorded directly can be loaded in order, and be defined as a kind of special broadcast and broadcast.This broadcast and concrete business have nothing to do, and often have public character, such as: the passenger safety on airport is noticed, and the booking notice etc. in railway station.
Described Broadcasting Control module also comprises TTS broadcast, and described TTS broadcast is that text transfers voice document to.
As shown in Figure 2, described Multichannel controller module comprises multiple passage, broadcast system of the present invention is all decomposed into monophony the multichannel of the sound card of computer and processes, and one stereo can be decomposed into 2 passages, and 5.1 sound cards can be decomposed into 6 passages.The all corresponding broadcast lists of each passage, an audio frequency data output buffer district, a public address equipment, described broadcast lists receives and deposits voice document, described audio frequency data output buffer district receives the voice document of described broadcast lists, outputs to public address equipment and plays.
Described broadcast software also comprises interface module, and described interface module is used for the data interaction of peripheral system and the upgrading of described Public Address system.Data syn-chronization: the business datum of broadcast system of the present invention can be obtained by the mode of accesses external data sources.Data syn-chronization function maintenance native system data are consistent with external system data, and concrete conforming specification needs according to business demand.Config update: the content of config update comprises configuration parameter, script file, voice document and database.Software upgrading: the upgrading of this software executive program and relevant renewal.
Described public address equipment adopts common audio amplifier, Baffle Box of Bluetooth, IP audio amplifier.When adopting common audio amplifier, being exported by tone frequency channel wire and playing.When adopting Baffle Box of Bluetooth, achieve wireless transmission by application audio driven technology (ASIO).When adopting IP audio amplifier, layout as shown in Figure 3.
A kind of public broadcasting method of the present invention, by installing broadcast software on computers, directly realizes public broadcasting by the voice document of formation by public address equipment.Specific as follows:
Broadcast Chinese 2 English 1 time is needed for CA123 flight, phonetic synthesis broadcast is by dynamically splicing the voice document and English voice document that form Chinese respectively, and the number of broadcast times of these two voice document sequences and languages is required to issue Multichannel controller module as a broadcast item, Multichannel controller module is according to broadcast requirement, judge this type of broadcast needs at which passage (subregion) to broadcast, then this broadcast item is sent in the broadcast lists of corresponding passage control.Corresponding broadcast channel controls to check broadcast lists to be broadcast at any time, finds that there is the broadcast item that can broadcast, then according to languages requirement, broadcasts.As: Chinese 2 English 1 time, broadcast channel controls first to get Chinese broadcast sequence, be sent to audio frequency data output buffer district in order, voice output is controlled to public address equipment corresponding to this passage by audio frequency data output buffer district, broadcast, after all Chinese speech file outputs are complete, broadcast channel controls to judge whether also to need broadcast, if needed, then broadcast channel controls to continue Chinese speech sequence to export one time in order from the beginning to the end; If do not needed, broadcast channel controls then to load English broadcast sequence and carries out voice output.
In said method, the multichannel sound card on described computer is decomposed into multiple single channel and processes, the public address equipment of the corresponding broadcast subregion of each single channel difference in described multiple single channel.Each single channel includes play sequence and audio frequency data output buffer district respectively.
The mode of described formation voice document is the broadcast of phonetic synthesis formula or transcription or customizes broadcast or TTS broadcast.
Deposit in the play sequence of respective channel by the voice document of formation, when starting broadcasting, voice document to be played is outputted to audio frequency data output buffer district by play sequence, and the public address equipment corresponding by described passage plays institute's voice file.
When needing multilingual to broadcast, the voice document of various language is left in order in play sequence corresponding to passage to be played.
Claims (10)
1. a Public Address system, comprise computer, broadcast software, public address equipment, it is characterized in that: described broadcast software comprises Broadcasting Control module, Multichannel controller module, described Broadcasting Control module forms voice document sequence according to demand, described Multichannel controller module reads voice document sequence, carries out speech play by public address equipment.
2. Public Address system according to claim 1, is characterized in that: described Broadcasting Control module comprises the broadcast of phonetic synthesis formula, and described phonetic synthesis formula broadcast, according to the rule request of broadcast, is spliced into a voice document sequence multiple voice document.
3. Public Address system according to claim 2, is characterized in that: described phonetic synthesis formula broadcast comprises fixing splicing, and described fixing splicing is carried out being spliced into a voice document sequence according to fixing order by multiple voice document.
4. Public Address system according to claim 2, is characterized in that: described phonetic synthesis formula broadcast also comprises dynamic splicing, and described dynamic splicing multiple voice document is spliced into flexibly according to business datum the voice document sequence adapted in various situation.
5. Public Address system according to claim 1, is characterized in that: described Broadcasting Control module also comprises transcription, and described transcription directly uses described computer recorded voice to form voice document sequence.
6. Public Address system according to claim 5, is characterized in that: described transcription also comprises voice document equalization processing module, and institute's voice file equalization processing module is used for carrying out equalization processing to the sound that described computer is recorded.
7. Public Address system according to claim 1, is characterized in that: described Broadcasting Control module also comprises customization broadcast, and described customization broadcast is the voice document recorded.
8. Public Address system according to claim 1, is characterized in that: described Broadcasting Control module also comprises TTS broadcast, and described TTS broadcast is that text transfers voice document to.
9. Public Address system according to claim 1, it is characterized in that: described Multichannel controller module comprises multiple passage, the all corresponding broadcast lists of each passage, an audio frequency data output buffer district, a public address equipment, described broadcast lists receives and deposits voice document to be played, described audio frequency data output buffer district receives the voice document of described broadcast lists, outputs to public address equipment and plays.
10. a public broadcasting method, by installing broadcast software on computers, the language directly will formed
Sound file sequence realizes public broadcasting by public address equipment.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375053A (en) * | 2016-08-31 | 2017-02-01 | 合肥同益信息科技有限公司 | Intelligent public broadcasting system |
| CN106683253A (en) * | 2016-12-13 | 2017-05-17 | 上海迪爱斯通信设备有限公司 | Job number voice broadcasting system |
| CN109068236A (en) * | 2018-07-05 | 2018-12-21 | 上海塞嘉电子科技有限公司 | Automatic broadcasting equipment and method |
| CN112039619A (en) * | 2020-09-08 | 2020-12-04 | 广州白云国际机场股份有限公司一号航站楼管理分公司 | Civil aviation automatic broadcasting system and method |
| CN112164394A (en) * | 2020-09-10 | 2021-01-01 | 北京三快在线科技有限公司 | Information interaction method and device, storage medium and electronic equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090147837A1 (en) * | 2007-12-07 | 2009-06-11 | Eddie Lau | Wireless system synchronization using frequency shift modulation and on-off keying modulation |
| US7653344B1 (en) * | 2004-01-09 | 2010-01-26 | Neosonik | Wireless digital audio/video playback system |
| CN102324995A (en) * | 2011-04-20 | 2012-01-18 | 铁道部运输局 | Speech broadcasting method and system |
| CN102904656A (en) * | 2012-09-28 | 2013-01-30 | 天津市北海通信技术有限公司 | Digital train broadcasting transmitter |
| CN104093102A (en) * | 2014-07-30 | 2014-10-08 | 深圳市华美兴泰科技有限公司 | Wireless sound system for transmitting audio based on WIFI and application method of wireless sound system |
| CN104579716A (en) * | 2015-01-27 | 2015-04-29 | 河海大学常州校区 | Campus intelligence broadcasting system and working method thereof based on WLAN |
| CN204376926U (en) * | 2015-02-11 | 2015-06-03 | 江苏贝特信息技术有限公司 | A kind of intelligent movable broadcast |
| CN104934050A (en) * | 2015-06-29 | 2015-09-23 | 深圳市奋达科技股份有限公司 | Audio networking playing method and system based on wireless network |
-
2015
- 2015-11-11 CN CN201510765881.0A patent/CN105281856A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7653344B1 (en) * | 2004-01-09 | 2010-01-26 | Neosonik | Wireless digital audio/video playback system |
| US20090147837A1 (en) * | 2007-12-07 | 2009-06-11 | Eddie Lau | Wireless system synchronization using frequency shift modulation and on-off keying modulation |
| CN102324995A (en) * | 2011-04-20 | 2012-01-18 | 铁道部运输局 | Speech broadcasting method and system |
| CN102904656A (en) * | 2012-09-28 | 2013-01-30 | 天津市北海通信技术有限公司 | Digital train broadcasting transmitter |
| CN104093102A (en) * | 2014-07-30 | 2014-10-08 | 深圳市华美兴泰科技有限公司 | Wireless sound system for transmitting audio based on WIFI and application method of wireless sound system |
| CN104579716A (en) * | 2015-01-27 | 2015-04-29 | 河海大学常州校区 | Campus intelligence broadcasting system and working method thereof based on WLAN |
| CN204376926U (en) * | 2015-02-11 | 2015-06-03 | 江苏贝特信息技术有限公司 | A kind of intelligent movable broadcast |
| CN104934050A (en) * | 2015-06-29 | 2015-09-23 | 深圳市奋达科技股份有限公司 | Audio networking playing method and system based on wireless network |
Non-Patent Citations (2)
| Title |
|---|
| 北京奥科仕科技有限公司: "民用机场改扩建工程中公共广播系统的应用", 《智能建筑与城市信息》 * |
| 王旭宁: "机场航站楼广播系统设计", 《智能建筑与城市信息》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375053A (en) * | 2016-08-31 | 2017-02-01 | 合肥同益信息科技有限公司 | Intelligent public broadcasting system |
| CN106683253A (en) * | 2016-12-13 | 2017-05-17 | 上海迪爱斯通信设备有限公司 | Job number voice broadcasting system |
| CN109068236A (en) * | 2018-07-05 | 2018-12-21 | 上海塞嘉电子科技有限公司 | Automatic broadcasting equipment and method |
| CN112039619A (en) * | 2020-09-08 | 2020-12-04 | 广州白云国际机场股份有限公司一号航站楼管理分公司 | Civil aviation automatic broadcasting system and method |
| CN112039619B (en) * | 2020-09-08 | 2021-08-06 | 广州白云国际机场股份有限公司一号航站楼管理分公司 | Automatic broadcasting system for civil aviation |
| CN112164394A (en) * | 2020-09-10 | 2021-01-01 | 北京三快在线科技有限公司 | Information interaction method and device, storage medium and electronic equipment |
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Application publication date: 20160127 |