CN104900174A - Automatic tourist attraction explanation device - Google Patents
Automatic tourist attraction explanation device Download PDFInfo
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- CN104900174A CN104900174A CN201510335424.8A CN201510335424A CN104900174A CN 104900174 A CN104900174 A CN 104900174A CN 201510335424 A CN201510335424 A CN 201510335424A CN 104900174 A CN104900174 A CN 104900174A
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Abstract
The invention discloses an automatic tourist attraction explanation device, and belongs to the technical field of explanation equipment. The automatic tourist attraction explanation device comprises a human body detection module, a central processing unit, a voice broadcast module and a power supply module. The voice broadcast module comprises an environmental noise input unit, an environmental noise processing unit and a voice output unit. The environmental noise input unit is used for conducting analog-to-digital conversion on environmental noise signals to form digital environmental noise signals. The environmental noise processing unit is used for conducting phase reversal processing on the digital environmental noise signals to obtain new digital environmental noise signals which are the same in amplitude and opposite in phase, and conducting gain adjustment. The voice output unit is used for receiving the digital environmental noise signals which are processed through gain adjustment, conducting digital-to-analog conversion on the digital environmental noise signals and outputting the result after the digital environmental noise signals and an original voice file are superposed. The automatic tourist attraction explanation device can provide an intelligent, high-tech and humanized explanation service for tourist attractions.
Description
Technical field
The present invention relates to a kind of tourist attractions automatic briefing apparatus, belong to explanation equipment technical field.
Background technology
Along with the raising of people's levels of substance, many common people are using the life style of tourism as amusement and recreation.People, when tourist attractions are visited, not only can loosen mood, can also increase humanity, historical knowledge.But the horizontal level of narrator is uneven, each one explanation level, explanation attitude are not quite similar.Therefore, various electronics explanation equipment arises at the historic moment.
Application number is 201310462048.X, the applying date be on September 28th, 2013 application discloses a kind of museum electronics narrator, comprise microprocessor module, the audio frequency storage circuit module connected with microprocessor module and power circuit block, the input end of microprocessor module is connected to human body detection sensor, the amplifying circuit connected successively is connected with between microprocessor module and human body detection sensor, filtering circuit and A/D change-over circuit, human body detection sensor connects with amplifying circuit, the output terminal of microprocessor module is connected to voice playing circuit module, voice playing circuit module connects with power amplification circuit module, power amplification circuit module connects with loudspeaker.Structure of the present invention is simple, and reasonable in design, easy to use, functional reliability is high, practical, and result of use is good.
Application number is 201510038901.4, the applying date be on January 26th, 2015 application discloses a kind of for wireless tour guide explanation frequency modulation transmitter, with improve visitor pay attention to the class scenic spot commentary efficiency and alleviate guide interpreting time physical demands.This frequency modulation transmitter comprises acoustoelectric signal converter, electronic signal processing module, microcontroller, antenna and power module; Acoustoelectric signal converter is used for that the acoustical signal sent during guide interpreting is converted to electric signal and exports electronic signal processing module to; Electronic signal processing module transfers to antenna after being used for that Electric signal processing is become FM signal; Microcontroller is used for, by mutual with electronic signal processing module, control electronic signal processing module and Electric signal processing being become FM signal; The receiving arrangement of frequency-modulated signal that antenna carries for FM signal being emitted to visitor; Power module, for for microcontroller and by microcontroller for acoustoelectric signal converter and electronic signal processing module provide power supply.Technical scheme of the present invention has feature with low cost, and has got rid of all drawbacks that guide uses loudspeaker to explain.
Application number is 201420666175.1, the applying date be on November 10th, 2014 application discloses a kind of virtual narrator's system simulating true man, comprise control module (1), voice module (2), memory module (3), display module (4); Display module (4) is display, and display module (4) is for showing the dynamic portrait of virtual narrator; Memory module (3) is for the portrait video data of storing virtual narrator and voice data; Voice module (2), memory module (3), display module (4) all couple with control module (1).This virtual narrator's system also comprises detecting module (5), couples with control module (1); Also comprise touch-screen, touch-screen is arranged on the outside surface of display, and touch-screen and control module (1) couple.Simulated sound and the image of true man narrator by voice module and display module, make virtual narrator's system not only possess the function of explanation, also have affine sense when true man narrator explains and lively sense.
The explanation service regulation that above-mentioned electronics explanation equipment provides, detailed, save the quantity of narrator greatly.But when explanation equipment provides explanation to serve, the volume of broadcasting is constant, meets the tourist season sometimes, and scenic spot rubber-neck's number is more, and environment is noisy, the sound of explanation equipment has all been submerged.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of tourist attractions automatic briefing apparatus, can neighbourhood noise automatically around filtering sight spot, regulate the broadcast sound volume of explaining device, very intelligent.
The present invention adopts following technical scheme for solving its technical matters:
A kind of tourist attractions automatic briefing apparatus, comprise human detection module, CPU (central processing unit), voice broadcast module and power supply module, wherein human detection module, CPU (central processing unit) are connected with voice broadcast sequence of modules, and human detection module, CPU (central processing unit) are connected with power supply module respectively with voice broadcast module; Whether described human detection module has people close before detecting sight spot, described CPU (central processing unit) is for receiving the information of human detection module transfer and sending instruction after carrying out multilevel iudge, described voice broadcast module is for playing the introduction at sight spot, and described power supply module is used for each module for power supply;
Described voice broadcast module comprises neighbourhood noise input block, neighbourhood noise processing unit and voice-output unit, wherein said neighbourhood noise input block is used for reception environment noise signal, this ambient noise signal is carried out analog to digital conversion and becomes digital environment noise signal, output to neighbourhood noise processing unit; Described neighbourhood noise processing unit, obtains the contrary digital environment noise signal of the suitable phase place of amplitude for this digital environment noise signal being carried out anti-phase process and carries out gain-adjusted, then exporting to voice-output unit; Digital environment noise signal after described voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out superposing rear output with original voice document.
As a preferred technical solution of the present invention: described power supply module adopts automatic charger.
As a preferred technical solution of the present invention: described human detection module adopts infrared human body heat releasing sensor.
As a preferred technical solution of the present invention: described neighbourhood noise processing unit comprises phase inverter and fader.
As a preferred technical solution of the present invention: described CPU (central processing unit) adopts Chip Microcomputer A tmel89C51.
A kind of tourist attractions of the present invention automatic briefing apparatus, adopts above technical scheme compared with prior art, has following technique effect:
1, the present invention is very intelligent, as long as visit personnel go to by sight spot, being arranged on the other explaining device in sight spot just can automatic briefing, accompanies visit without the need to guide.
2, the present invention well can carry out squelch according to real time environment after installing, and effectively enhances the effect of speech sound eeplaining.
3, power supply module of the present invention adopts automatic charger, once explaining device does not have electricity, can automatic charging, and without the need to artificial charging, greatly save manpower.
4, the present invention is the explanation service that tourist attractions provide wisdom, high-technicalization, hommization.
Embodiment
Below the invention is described in further details.
A kind of tourist attractions automatic briefing apparatus, comprise human detection module, CPU (central processing unit), voice broadcast module and power supply module, wherein human detection module, CPU (central processing unit) are connected with voice broadcast sequence of modules, and human detection module, CPU (central processing unit) are connected with power supply module respectively with voice broadcast module; Whether described human detection module has people close before detecting sight spot, described CPU (central processing unit) is for receiving the information of human detection module transfer and sending instruction after carrying out multilevel iudge, described voice broadcast module is for playing the introduction at sight spot, and described power supply module is used for each module for power supply;
Described voice broadcast module comprises neighbourhood noise input block, neighbourhood noise processing unit and voice-output unit, wherein said neighbourhood noise input block is used for reception environment noise signal, this ambient noise signal is carried out analog to digital conversion and becomes digital environment noise signal, output to neighbourhood noise processing unit; Described neighbourhood noise processing unit, obtains the contrary digital environment noise signal of the suitable phase place of amplitude for this digital environment noise signal being carried out anti-phase process and carries out gain-adjusted, then exporting to voice-output unit; Digital environment noise signal after described voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out superposing rear output with original voice document.
As a preferred technical solution of the present invention: described power supply module adopts automatic charger.
As a preferred technical solution of the present invention: described human detection module adopts infrared human body heat releasing sensor.
As a preferred technical solution of the present invention: described neighbourhood noise processing unit comprises phase inverter and fader.
As a preferred technical solution of the present invention: described CPU (central processing unit) adopts Chip Microcomputer A tmel89C51.
Whether the present invention adopts infrared human body heat releasing sensor to detect has people to go sight-seeing before sight spot, if visit personnel go to by sight spot, namely infrared human body heat releasing sensor senses, explaining device just can automatic briefing, accompanies visit without the need to guide.
The principle of infrared human body heat releasing sensor is as follows: human body has constant body temperature, and generally at 37 degree, so can send the infrared ray of specific wavelength about 10UM, passive type infrared probe carries out work by detecting the infrared ray of about the 10UM of human-body emitting.The infrared ray of about the 10UM of human-body emitting is by gathering on infrared induction source after your the optical filter enhancing of luxuriant and rich with fragrance mud.Infrared induction source adopts pyroelectricity element usually, and this element will lose charge balance when receiving human infrared radiation temperature and changing, and outwards discharges electric charge, just can produce alerting signal after subsequent conditioning circuit processes after testing.
If infrared human body heat releasing sensor main is by a kind of material of high Seebeck coefficient, as lead zirconate titanate system pottery, lithium tantalate, triglycine sulfate etc. make the detecting element being of a size of 2*1mm.One or two detecting element is loaded in each detector, and by two detecting elements with opposite polarities in series, to suppress the interference produced because own temperature raises.To be detected by detecting element and the infrared radiation received is transformed into faint voltage signal, amplify backward outer output through the field effect transistor be contained in probe.In order to improve the detection sensitivity of detector to increase detection range, generally install a Fresnel Lenses in the front of detector, this lens transparent plastic is made, upper and lower two parts of lens are respectively divided into some equal portions, make a kind of lens with special optical system, it and amplifying circuit match, and signal can be amplified more than 70 decibels, so just can measure the action of people within the scope of 10--20 rice.
Neighbourhood noise processing unit of the present invention adopts phase inverter to be used for that this digital environment noise signal is carried out anti-phase process and obtains the contrary digital environment noise signal of the suitable phase place of amplitude.
Neighbourhood noise processing unit of the present invention adopts fader.Fader is actually the one of dynamic processor.Its gain changes to some extent with the change of signal, negative-feedback circuit is have employed between the level and level of amplifier, the large-signal of input is after amplifier amplifies, distortion may be caused at output terminal, adopt negative feedback can make the gain reduction of amplifier stage, the small-signal of input, in order to obtain reasonable signal to noise ratio (S/N ratio) at output terminal, can weaken amount of negative feedback by negative-feedback circuit, the gain of amplifier stage is got a promotion, thus changes the low side of frequency response curve and the phenomenon of high-end decline.Gain controller is usually used in radio signal and accepts aspect, and radiowave is in communication process, and by the impact of earth Ionospheric variability, the radio signal that ground receives may be at times strong and at other times weak, particularly evident at front end.In order to weaken this impact, fader must be adopted.
Power supply module of the present invention adopts automatic charger, once explaining device does not have electricity, can automatic charging, and without the need to artificial charging, greatly save manpower.
Embodiment one:
If it is the center of circle that human detection module detects with sight spot, 3 meters be radius surveyed area in have people to go sight-seeing, then by this information transmission to CPU (central processing unit), the information of " broadcasting " is passed to voice broadcast module by CPU (central processing unit).Neighbourhood noise input block reception environment noise signal in voice broadcast module, carries out analog to digital conversion by this ambient noise signal and becomes digital environment noise signal, output to neighbourhood noise processing unit; Neighbourhood noise processing unit, carries out anti-phase process and obtains the contrary digital environment noise signal of the suitable phase place of amplitude and carry out gain-adjusted, then export to voice-output unit by this digital environment noise signal; Digital environment noise signal after voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out superposing rear output sight spot explaining information with original voice document.If human detection module detects unmanned viewing in surveyed area, namely automatically stop playing.
The present invention well can carry out squelch according to real time environment after installing, and effectively enhances the effect of speech sound eeplaining.The present invention is the explanation service that tourist attractions provide wisdom, high-technicalization, hommization.
Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (5)
1. a tourist attractions automatic briefing apparatus, comprise human detection module, CPU (central processing unit), voice broadcast module and power supply module, wherein human detection module, CPU (central processing unit) are connected with voice broadcast sequence of modules, and human detection module, CPU (central processing unit) are connected with power supply module respectively with voice broadcast module; Whether described human detection module has people close before detecting sight spot, described CPU (central processing unit) is for receiving the information of human detection module transfer and sending instruction after carrying out multilevel iudge, described voice broadcast module is for playing the introduction at sight spot, and described power supply module is used for each module for power supply;
It is characterized in that voice broadcast module comprises neighbourhood noise input block, neighbourhood noise processing unit and voice-output unit, wherein said neighbourhood noise input block is used for reception environment noise signal, this ambient noise signal is carried out analog to digital conversion and becomes digital environment noise signal, output to neighbourhood noise processing unit; Described neighbourhood noise processing unit, obtains the contrary digital environment noise signal of the suitable phase place of amplitude for this digital environment noise signal being carried out anti-phase process and carries out gain-adjusted, then exporting to voice-output unit; Digital environment noise signal after described voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out superposing rear output with original voice document.
2. a kind of tourist attractions according to claim 1 automatic briefing apparatus, is characterized in that described power supply module adopts automatic charger.
3. a kind of tourist attractions according to claim 1 automatic briefing apparatus, is characterized in that described human detection module adopts infrared human body heat releasing sensor.
4. a kind of tourist attractions according to claim 1 automatic briefing apparatus, is characterized in that described neighbourhood noise processing unit comprises phase inverter and fader.
5. a kind of tourist attractions according to claim 1 automatic briefing apparatus, is characterized in that described CPU (central processing unit) adopts Chip Microcomputer A tmel89C51.
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| CN201510335424.8A CN104900174A (en) | 2015-06-17 | 2015-06-17 | Automatic tourist attraction explanation device |
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| CN201510335424.8A CN104900174A (en) | 2015-06-17 | 2015-06-17 | Automatic tourist attraction explanation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112306448A (en) * | 2020-01-15 | 2021-02-02 | 北京字节跳动网络技术有限公司 | Method, apparatus, device and medium for adjusting output audio according to environmental noise |
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| US20120264481A1 (en) * | 2010-07-21 | 2012-10-18 | Huizhou Tcl Mobile Communication Co., Ltd. | Mobile Terminal, and Volume Adjusting Method and Device Thereof |
| CN103915103A (en) * | 2014-04-15 | 2014-07-09 | 成都凌天科创信息技术有限责任公司 | Voice quality enhancement system |
| CN104517551A (en) * | 2013-09-28 | 2015-04-15 | 西安天动数字科技有限公司 | Museum electronic interpreter |
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Patent Citations (7)
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| CN1909365A (en) * | 2005-08-02 | 2007-02-07 | 乐金电子（昆山）电脑有限公司 | Volume automatic regulating device and its method |
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| CN201215718Y (en) * | 2008-04-29 | 2009-04-01 | 上海回首数码科技有限公司 | Advertisement player having sound inputting function |
| CN201607915U (en) * | 2009-09-29 | 2010-10-13 | 天津恒达文博科技有限公司 | Human body induction automatic exposition device |
| US20120264481A1 (en) * | 2010-07-21 | 2012-10-18 | Huizhou Tcl Mobile Communication Co., Ltd. | Mobile Terminal, and Volume Adjusting Method and Device Thereof |
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Application publication date: 20150909 |