CN101867582A - Directional sound advertisement system based on network control and network control method - Google Patents
Directional sound advertisement system based on network control and network control method Download PDFInfo
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- CN101867582A CN101867582A CN201010201173A CN201010201173A CN101867582A CN 101867582 A CN101867582 A CN 101867582A CN 201010201173 A CN201010201173 A CN 201010201173A CN 201010201173 A CN201010201173 A CN 201010201173A CN 101867582 A CN101867582 A CN 101867582A
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Abstract
The invention discloses a directional sound advertisement system based on network control, comprising a directional sound working unit, a network access module and a server; each directional sound working unit is connected with the internet by the network access module, and fixed IP address is obtained; the server is accessed to the internet, and network control of the directional sound working unit is realized, the system is further improved, the system adopts a multi-level server framework, the server at the lower layer is connected with the server at the upper layer by a switchboard and is controlled by the server at the upper layer, the server at the lowest layer is accessed to the internet and is connected to a plurality of the directional sound working units; in the invention, network control technology is fully utilized, the control range is large, the controlled working units are more, so as to effectively overcome the disadvantages that the control coverage range is small, controllable playing devices are less, the function is single and the content switching speed is slow in the traditional mode; in addition, the invention further discloses a network control method of the directional sound advertisement system.
Description
Technical field
The present invention relates to the voice directional spreading technology, particularly a kind of directional sound advertisement system of control Network Based, and a kind of directional sound advertisement system network control method.
Background technology
Existing outdoor advertising audio frequency broadcast system all is the isotropic voice playing mode that adopts, and in practice process, there is following problem in it:
1. sound directivity is relatively poor, and the ad system that has is easy to generate the problem that noise disturbs residents because control is improper, and resident's normal life does not only reach the purpose of advertisement, but also can cause audient's dislike near disturbing;
2. network control is not strong, and usually such advertisement all is to operate several audio playing apparatus by 1 control device to carry out advertisement and play, and little, the controlled playing device of the coverage of its control is few, function singleness, content switch speed are slow;
In view of this, be necessary to design a kind of advanced network control technology of having utilized, can realize controlling covering on a large scale.Now designed the straight sound audio advertisement Play System that the playing device of One's name is legion is controlled, this system can realize the orientation broadcast of sound, can not produce interference to the crowd beyond the alignment regions.
Summary of the invention
In view of this, one of purpose of the present invention provides a kind of directional sound advertisement system of control Network Based, made full use of the 3G network control technology, by multistage server architecture, can realize network control to thousands of sound playing unit, utilized simultaneously that directed SATT is little, the characteristics of long transmission distance, had that directionality is good, compact conformation, control advantage easily.Two of purpose of the present invention provides a kind of directional sound advertisement system network control method.
One of purpose of the present invention is achieved through the following technical solutions:
The directional sound advertisement system of control Network Based of the present invention comprises direct sound working cell, network access module and server, each direct sound working cell realizes being connected by network access module and the Internet, and the IP address that is fixed, described server inserts the Internet, by the Internet network control is realized in the direct sound unit.
Further, described system adopts multistage server architecture, the server of its superiors is a master server, the server of lower floor links by switch and the top service device under it and controlled by it, be in undermost server and insert the Internet and each the undermost server mode by corresponding IP address and be connected to a plurality of direct sounds working cell, and manage according to the control command of the top service device under it direct sound working cell to its connection;
Further, described direct sound working cell comprises the microcontroller of external memory, audio output unit, direct sound transmitter unit and band MP3 playing function, described network access module, audio output unit and external memory link with the corresponding port of microcontroller respectively, and the signal input part of the signal output part of described audio output unit and direct sound transmitter unit links;
Further, described system also comprises power subsystem, the power supply output of described power subsystem links with the power supply input of external memory, audio output unit, direct sound transmitter unit and microcontroller respectively, and the control port of described power subsystem links with the corresponding port of microcontroller and controlled by it;
Further, described direct sound transmitter unit comprises the voice signal control unit, the modulation treatment unit, power amplification unit, impedance matching unit and ultrasonic transducer, the signal input part of described voice signal control unit and the sound output of audio output unit link, the signal input part of the signal output part of voice signal control unit and modulation treatment unit links, the signal output part of modulation treatment unit and the signal input part of power amplification unit link, the signal output part of power amplification unit and the signal input part of impedance matching unit link, and the signal output part of impedance matching unit and the signal input part of ultrasonic transducer link;
Further, described ultrasonic transducer is the piezoelectric supersonic wave transducer;
Further, described direct sound transmitter unit also comprises the local oscillation signal source, and the signal output part in described local oscillation signal source and the carrier wave input of modulation treatment unit link.
Two of purpose of the present invention is achieved through the following technical solutions:
This method may further comprise the steps:
1) directional sound advertisement system is divided into a plurality of direct sounds working cell, the Internet is inserted by network access module in each sound working cell, and is assigned to fixed IP addresses;
2) master server is set, master server inserts the Internet, and by the Internet network control is carried out in the direct sound working cell with fixed ip address.
Further, in step 2) in adopt multistage server architecture, the server that is in the superiors is a master server, the server of lower floor is realized exchanges data and controlled by it by switch and the top service device under it, be in undermost server and insert the Internet and each the undermost server mode by corresponding IP address and be connected to a plurality of direct sounds working cell, and manage according to the control command of the top service device under it direct sound working cell to its connection;
Further, described direct sound working cell has comprised the microcontroller of external memory, audio output unit, direct sound transmitter unit and band MP3 playing function, and described network access module, audio output unit and external memory link with the corresponding port of microcontroller respectively;
Described direct sound transmitter unit has comprised the voice signal control unit, modulation treatment unit, power amplification unit, impedance matching unit and the ultrasonic transducer that connect successively, wherein, the voice signal control unit receives the audio signal from audio output unit, and after modulation treatment, power amplification, impedance matching, export by ultrasonic transducer, realize that the orientation of advertisement sound is play.
The invention has the beneficial effects as follows:
1. the present invention has made full use of the 3G network control technology, the direct sound working cell is connected with NodeB by network access module, be linked in the Internet, because each network access module just can obtain a unique IP address in the back of connecting to network, thereby each working cell that the master server that adopts online on control end just can the access control corresponding address, its control range is big, the working cell One's name is legion of control, has overcome effectively that little, the controlled playing device of traditional mode control coverage is few, function singleness, the slow defective of content switch speed;
2. the present invention can also be by the setting of master server and subordinate's server, adopt multistage form management server, overcome a station server main frame on the timeliness, the bottleneck that exists on the network bandwidth, can realize network control, further increase and controlled the size thousands of sound playing unit;
3. the present invention has utilized also that directed SATT is little, the characteristics of long transmission distance; can with voice signal by modulation, amplification and coupling and impedance conversion after; Modulated Ultrasonic ripple signal by the ultrasonic transducer output directional; utilize the nonlinear effect of air; this sound only can hear in the appointed area that ultrasonic wave is advanced, and because the centrality of sound can not produce the acoustic crosstalk between the zones of different; promptly realize " straight sound " effect, and can not disturb other regional normal activities.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction from the practice of the present invention to investigating hereinafter.Target of the present invention and other advantages can realize and obtain by following specification and claims.
Description of drawings
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing, wherein:
Fig. 1 is a control connection schematic diagram of the present invention;
Fig. 2 is the connection diagram of direct sound working cell;
Fig. 3 is the connection diagram of direct sound transmitter unit.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment only for the present invention is described, rather than in order to limit protection scope of the present invention.
As shown in Figure 1, the directional sound advertisement system of control Network Based of the present invention comprises direct sound working cell 1, network access module 2, master server 3 and secondary server 4, wireless connections with the Internet are carried out by network access module 2 in each direct sound working cell 1, and the IP address that is fixed, master server 3 links by the control input end of switch and secondary server 4, the Internet is inserted in the control output end of secondary server 4, the mode of each secondary server by corresponding IP address realizes the management to some direct sounds working cell 1, realizes network control.In the present embodiment, network access module is selected the 3G wireless module for use, can realize the wireless connections of direct sound working cell and the Internet by 3G technology, in addition, native system has only adopted the secondary server framework, in theory, can also adjust (as three grades, level Four framework etc.) to the framework mode of server according to what of the direct sound working cell that will control, to satisfy the needs of big order of magnitude control.
As shown in Figure 2, direct sound working cell 1 comprises the microcontroller 14 of external memory 11, audio output unit 12, direct sound transmitter unit 13 and band MP3 playing function, network access module 2, audio output unit 12 and external memory 11 link with the corresponding port of microcontroller 14 respectively, and the signal input part of the signal output part of audio output unit 12 and direct sound transmitter unit 13 links.
In the present embodiment, external memory 11 adopts FLASH ROM, microcontroller is selected the AT89C51SND1 single-chip microcomputer for use, this single-chip microcomputer is 51 Series MCU that a MP3 of being used for of atmel corp's release plays, it carries out function expansion on the basis of ATM9C51, compare with 51 common series monolithics, its main functional characteristics shows: hardware MP3 decoding module; Output audio signal able to programme; Two passage ADC input; The USB2.1 controller; 44 I/O comprise keyboard input, SPI interface, multimedia card interface etc., and it is very suitable to be used for system of the present invention.
Native system also comprises power subsystem 5, the power supply output of power subsystem 5 links with the power supply input of external memory 11, audio output unit 12, direct sound transmitter unit 13 and microcontroller 14 respectively, and the control port of power subsystem 5 links with the corresponding port of microcontroller 14 and controlled by it.
As shown in Figure 3, described direct sound transmitter unit 13 comprises voice signal control unit 130, modulation treatment unit 131, power amplification unit 132, impedance matching unit 133 and ultrasonic transducer 134, the sound output of the signal input part of described voice signal control unit 130 and audio output unit 12 links, the signal input part of the signal output part of voice signal control unit 130 and modulation treatment unit 131 links, the signal input part of the signal output part of modulation treatment unit 131 and power amplification unit 132 links, the signal input part of the signal output part of power amplification unit 132 and impedance matching unit 133 links, and the signal input part of the signal output part of impedance matching unit 133 and ultrasonic transducer 134 links.
In the present embodiment, ultrasonic transducer can also be selected the piezoelectric supersonic wave transducer for use.Direct sound transmitter unit 13 also comprises local oscillation signal source 135, and the carrier wave input of the signal output part in local oscillation signal source 135 and modulation treatment unit 131 links, and is used for incoming carrier and carries out the signal modulation.
System of the present invention is when work, the microprocessor controls network access module inserts 3G network and obtains the IP address, send playing request by master server to fixed ip address, after master server is received playing request, by the Internet mp3 file that will play is transferred among the FLASH ROM by network access module, and pass the reproduction time table back, network access module is in resting state after finishing.Microprocessor is resolved the reproduction time table, and mp3 file is decoded, and send audio output unit to handle back output advertisement audio signal, and this audio signal orientation after the sound directive emission cell is handled plays out.Microprocessor is monitored Play System according to the reproduction time table in broadcast, as occur unusual, start network access module and beam back the hostdown code, make mistakes in this working cell of caution main frame, simultaneously according to timetable control electric power system, the operational module of open and close correspondence is realized the optimization utilization of electric energy in real time.
Based on above-mentioned system, the present invention also provides a kind of directional sound advertisement system network control method, may further comprise the steps:
1) directional sound advertisement system is divided into a plurality of direct sounds working cell, the Internet is inserted by network access module in each sound working cell, and is assigned to fixed IP addresses;
2) master server is set, master server inserts the Internet, and network control is carried out in the direct sound working cell with fixed ip address by the Internet, as further improvement, can adopt multistage server architecture, many subordinate's servers promptly also are set, subordinate's server is realized exchanges data and controlled by it by switch and the higher level's server under it, the subordinate server that is in final end position inserts the Internet and each terminal subordinate server and is connected to the direct sound working cell of some by the mode of corresponding IP address, and manages according to the control command of the higher level's server under it direct sound working cell to its connection.
The direct sound working cell of mentioning in this method has comprised the microcontroller of external memory, audio output unit, direct sound transmitter unit and band MP3 playing function, and network access module, audio output unit and external memory link with the corresponding port of microcontroller respectively;
The direct sound transmitter unit has comprised the voice signal control unit, modulation treatment unit, power amplification unit, impedance matching unit and the ultrasonic transducer that connect successively, wherein, the voice signal control unit receives the audio signal from audio output unit, and after modulation treatment, power amplification, impedance matching, export by ultrasonic transducer, realize that the orientation of advertisement sound is play.
Networking structure of the present invention is particularly suitable for carrying out on the public transport platform layout of directional sound advertisement system, its advertisement termination capacity can expand to more than 3000, the sound advertisement system of each platform and central control system wireless connections, each advertisement platform case of advertisements of central machine room control monitoring, adopt the long distance wireless mode to realize point-to-point advertisement broadcast, time control, the advertising pronunciation real-time update, functions such as ad system false alarm, by adopting the voice directional spreading technology that the broadcast of sound is concentrated in the fixing zone, can not produce noise jamming to the peripheral masses' life, not only advertisement specific aim is strengthened, and has great importance for building civilized society simultaneously.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. the directional sound advertisement system of control Network Based, it is characterized in that: comprise at least one direct sound working cell (1), network access module (2) and server, each direct sound working cell (1) realizes being connected by network access module (2) and the Internet, and the IP address that is fixed, described server inserts the Internet, by the Internet direct sound unit (1) is realized network control.
2. the directional sound advertisement system of control Network Based according to claim 1, it is characterized in that: described system adopts multistage server architecture, the server of its superiors is master server (3), the server of lower floor links by switch and the top service device under it and controlled by it, be in undermost server (4) and insert the Internet and each undermost server (4) mode by corresponding IP address and be connected to a plurality of direct sounds working cell, and manage according to the control command of the top service device under it direct sound working cell (1) to its connection.
3. the directional sound advertisement system of control Network Based according to claim 1 and 2, it is characterized in that: described direct sound working cell (1) comprises the microcontroller (14) of external memory (11), audio output unit (12), direct sound transmitter unit (13) and band MP3 playing function, described network access module (2), audio output unit (12) and external memory (11) link with the corresponding port of microcontroller (14) respectively, and the signal input part of the signal output part of described audio output unit (12) and direct sound transmitter unit (13) links.
4. the directional sound advertisement system of control Network Based according to claim 3, it is characterized in that: described system also comprises power subsystem (5), the power supply output of described power subsystem (5) links with the power supply input of external memory (11), audio output unit (12), direct sound transmitter unit (13) and microcontroller (14) respectively, and the control port of described power subsystem (5) links with the corresponding port of microcontroller (14) and controlled by it.
5. the directional sound advertisement system of control Network Based according to claim 4, it is characterized in that: described direct sound transmitter unit (13) comprises voice signal control unit (130), modulation treatment unit (131), power amplification unit (132), impedance matching unit (133) and ultrasonic transducer (134), the sound output of the signal input part of described voice signal control unit (130) and audio output unit (12) links, the signal input part of the signal output part of voice signal control unit (130) and modulation treatment unit (131) links, the signal input part of the signal output part of modulation treatment unit (131) and power amplification unit (132) links, the signal input part of the signal output part of power amplification unit (132) and impedance matching unit (133) links, and the signal input part of the signal output part of impedance matching unit (133) and ultrasonic transducer (134) links.
6. the directional sound advertisement system of control Network Based according to claim 5, it is characterized in that: described ultrasonic transducer (134) is the piezoelectric supersonic wave transducer.
7. the directional sound advertisement system of control Network Based according to claim 6, it is characterized in that: described direct sound transmitter unit (13) also comprises local oscillation signal source (135), and the carrier wave input of the signal output part in described local oscillation signal source (135) and modulation treatment unit (131) links.
8. directional sound advertisement system network control method is characterized in that: may further comprise the steps:
1) directional sound advertisement system is divided into a plurality of direct sounds working cell, the Internet is inserted by network access module in each sound working cell, and is assigned to fixed IP addresses;
2) master server is set, master server inserts the Internet, and by the Internet network control is carried out in the direct sound working cell with fixed ip address.
9. directional sound advertisement system network control method according to claim 8, it is characterized in that: in step 2) in adopt multistage server architecture, the server that is in the superiors is a master server, the server of lower floor is realized exchanges data and controlled by it by switch and the top service device under it, be in undermost server and insert the Internet and each the undermost server mode by corresponding IP address and be connected to a plurality of direct sounds working cell, and manage according to the control command of the top service device under it direct sound working cell to its connection.
10. according to Claim 8 or 9 described directional sound advertisement system network control methods, it is characterized in that: described direct sound working cell has comprised the microcontroller of external memory, audio output unit, direct sound transmitter unit and band MP3 playing function, and described network access module, audio output unit and external memory link with the corresponding port of microcontroller respectively;
Described direct sound transmitter unit has comprised the voice signal control unit, modulation treatment unit, power amplification unit, impedance matching unit and the ultrasonic transducer that connect successively, wherein, the voice signal control unit receives the audio signal from audio output unit, and after modulation treatment, power amplification, impedance matching, export by ultrasonic transducer, realize that the orientation of advertisement sound is play.
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| CN 201010201173 CN101867582B (en) | 2010-06-13 | 2010-06-13 | Directional sound advertisement system based on network control and network control method |
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| CN 201010201173 CN101867582B (en) | 2010-06-13 | 2010-06-13 | Directional sound advertisement system based on network control and network control method |
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| CN101867582A true CN101867582A (en) | 2010-10-20 |
| CN101867582B CN101867582B (en) | 2013-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110070709A (en) * | 2019-05-29 | 2019-07-30 | 杭州聚声科技有限公司 | A kind of pedestrian's street crossing orientation speech prompting system and its method |
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| CN101326541A (en) * | 2005-09-30 | 2008-12-17 | 谷歌公司 | Advertising with audio content |
| WO2009112070A1 (en) * | 2008-03-12 | 2009-09-17 | Genelec Oy | Data transfer method and system for loudspeakers in a digital sound reproduction system |
| CN101587674A (en) * | 2009-06-18 | 2009-11-25 | 重庆交通大学 | Outdoor directional sound advertising device |
| CN201733327U (en) * | 2010-06-13 | 2011-02-02 | 重庆交通大学 | Directional sound advertising system based on network control |
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2010
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101326541A (en) * | 2005-09-30 | 2008-12-17 | 谷歌公司 | Advertising with audio content |
| CN101197738A (en) * | 2006-12-06 | 2008-06-11 | 赵建奇 | Wide band mobile visible communication network system |
| WO2009112070A1 (en) * | 2008-03-12 | 2009-09-17 | Genelec Oy | Data transfer method and system for loudspeakers in a digital sound reproduction system |
| CN101587674A (en) * | 2009-06-18 | 2009-11-25 | 重庆交通大学 | Outdoor directional sound advertising device |
| CN201733327U (en) * | 2010-06-13 | 2011-02-02 | 重庆交通大学 | Directional sound advertising system based on network control |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110070709A (en) * | 2019-05-29 | 2019-07-30 | 杭州聚声科技有限公司 | A kind of pedestrian's street crossing orientation speech prompting system and its method |
| CN110070709B (en) * | 2019-05-29 | 2023-10-27 | 杭州聚声科技有限公司 | Pedestrian crossing directional voice prompt system and method thereof |
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