CN103413511A - Voice navigation system - Google Patents
Voice navigation system Download PDFInfo
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- CN103413511A CN103413511A CN2013103010231A CN201310301023A CN103413511A CN 103413511 A CN103413511 A CN 103413511A CN 2013103010231 A CN2013103010231 A CN 2013103010231A CN 201310301023 A CN201310301023 A CN 201310301023A CN 103413511 A CN103413511 A CN 103413511A
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Abstract
The invention discloses a voice navigation system which is designed to resolve the problems that an existing voice navigation device is inconvenient to carry and maintain, complex to use, and the like. The voice navigation system comprises a memorizer and a directivity sound source device, wherein the memorizer is used for storing navigation information related to an exhibition object; the directivity sound source device is used for directionally playing the navigation information stored in the memorizer. The voice navigation system does not need to be carried, can directionally play the navigation information, saves energy, protects the environment, and is convenient to maintain and suitable for various places needing voice navigation.
Description
Technical field
The present invention relates to a kind of speech guide system.
Background technology
Audio beam loudspeaker is by amplitude or frequency modulation (PFM) mode, the audio frequency audio signal to be loaded on the amplitude or frequency parameter of ultrasonic carrier, thereby forms modulation wave signal; Rely on again power amplifier to drive ultrasonic transducer this modulation wave signal is radiated in air, rely on ultrasound wave in air, to propagate produce non-linear from the demodulation characteristic, produce the audio frequency audible sound of super directive property.
Current museum, science and technology center, the speech guide system of the tourist attractions such as park mostly adopts the Worn type ear speaker device, after the visitor carries this equipment, every exhibition position, need on conditioning equipment the receiving channels of corresponding explanation word, to listen to the explanation word of corresponding exhibition position.The shortcomings such as the mode of this speech guide exists carries inconvenience, uses relative complex, difficult in maintenance.
Summary of the invention
An object of the present invention is to propose a kind of without carrying, the speech guide system of orientable broadcasting guide to visitors information;
A further object of the present invention is to propose a kind ofly according to scanister scanning result automatic decision, whether to play the speech guide system of guide to visitors information, energy-conserving and environment-protective;
Also purpose of the present invention is to propose a kind of speech guide system with video playback capability.
For reaching this purpose, the present invention by the following technical solutions:
A kind of speech guide system, described speech guide system comprise storer and directional sound source device, wherein:
Storer, for the storage guide to visitors information relevant to the exhibition object;
The directional sound source device, play the guide to visitors information that is stored in described storer for orientation.
Further, described directional sound source device comprises audio player, source of sound processor and directional loudspeaker,
Audio player is converted into sound source signal by the guide to visitors information in described storer, and described source of sound processor is processed the sound source signal received and played back by the directional loudspeaker orientation.
Preferably, described source of sound processor comprises carrier modulator and the digital power amplifier be connected with described carrier modulator;
Described directional loudspeaker is the audio beam loudspeaker with ultrasound transducer array;
Described carrier modulator is loaded into sound source signal on ultrasonic carrier according to frequency modulation modulation system or amplitude-modulating modulation mode, form modulation wave signal, described digital power amplifier amplifies described modulation wave signal, drive described audio beam loudspeaker sounding, the guide to visitors information be stored in storer is played back.
Preferably, described source of sound processor is comprised of audio decoding circuit, D/A switch circuit and amplifying circuit;
Described directional loudspeaker is poly-sound bell-type directional loudspeaker;
Described sound source signal is play by poly-sound bell-type directional loudspeaker is directed after the source of sound processor is processed.
Preferably, described storer is the Flash flash chip.
Preferably, described speech guide system is arranged at exhibition object top.
Further, described speech guide system also comprises scanister and controller,
The scan round scanning result is transferred to controller in preset range of described scanister,
Described controller is controlled described directional sound source device according to described scanning result and whether is play described guide to visitors information.
Preferably, described scanister is infrared scanner.
Further, described preset range is the sound overlay area of described directional sound source device, and described sound overlay area is provided with sound arrester.
Further, described speech guide system also comprises display screen and video player, and described video player is play the video information relevant to the exhibition object, and shows by described display screen.
Beneficial effect of the present invention is:
(1) in speech guide system of the present invention, be provided with the directional sound source device, be arranged at exhibition object near zone, the visit personnel are without carrying guiding device, the sound overlay area that enters the directional sound source device gets final product the guide to visitors information of uppick exhibition object, can not interfere with other people, greatly alleviated the personnel's that visit burden, and easy to maintenance, only need regularly speech guide system to be safeguarded and got final product;
(2) in this system, also be provided with scanister, in preset range, carry out scan round, judged whether that according to scanning result the visit personnel are positioned at this preset range, and control the directional sound source device and whether play guide to visitors information, greatly saved the energy;
(3) in this system, also be provided with display screen and video player, for to the visit personnel, showing the video information of puting on display object, allow the visit personnel have further and to understand the exhibition object;
(4) the sound overlay area of directional sound source device is provided with sound arrester, has greatly reduced the reflection of sound wave, has further strengthened the directive property of sound.
The accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one speech guide system;
Fig. 2 is the schematic diagram that the embodiment of the present invention one speech guide system and exhibition object are used in conjunction with;
Fig. 3 is the structural representation of the embodiment of the present invention two speech guide systems;
Fig. 4 is the structural representation of the embodiment of the present invention three speech guide systems.
In figure:
1, controller; 2, storer; 3, audio player; 4, carrier modulator; 5, digital power amplifier; 6, audio beam loudspeaker; 7, audio decoding circuit; 8, D/A switch circuit; 9, amplifying circuit; 10, poly-sound bell-type directional loudspeaker; 11, video player; 12, display screen; 13, source of sound processor; 14, infrared scanner; 15, exhibition object; 16, abatvoix; 17, speech guide system.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate technical scheme of the present invention.
A kind of speech guide system that the present invention proposes comprises storer and directional sound source device, and storer is for the storage guide to visitors information relevant to the exhibition object; The directional sound source device is for the directed guide to visitors information that is stored in described storer of playing, it comprises audio player, source of sound processor and directional loudspeaker, audio player is converted into the guide to visitors information in described storer sound source signal and transfers to the source of sound processor, and described source of sound processor is processed the sound source signal received and played back by the directional loudspeaker orientation.
Speech guide system of the present invention is arranged at the near zone of exhibition object, the visit personnel are without carrying guiding device, the sound overlay area that enters the directional sound source device gets final product the guide to visitors information of uppick exhibition object, can not interfere with other people, greatly alleviated the personnel's that visit burden, and easy to maintenance, only need regularly speech guide system to be safeguarded and got final product.
Embodiment mono-
The structural representation of the speech guide system that Fig. 1 provides for the present embodiment, as shown in the figure, this speech guide system comprises controller 1, the audio beam loudspeaker 6 that controller 1 connects successively audio player 3, source of sound processor 13 and has ultrasound transducer array, wherein source of sound processor 13 comprises carrier modulator 4 and digital power amplifier 5, carrier modulator 4 connects the input end of digital power amplifier 5, and the output terminal of digital power amplifier 5 connects audio beam loudspeaker 6.Carrier modulator 4 can be loaded into sound source signal on ultrasonic carrier according to frequency modulation modulation system or amplitude-modulating modulation mode, forms modulation wave signal.Digital power amplifier 5 can amplify modulation wave signal, drives described audio beam loudspeaker 6 sounding, and guide to visitors information is played back.Controller 1 also is connected with storer 2 and the infrared scanner 14 of storage guide to visitors information.Storer 2 is the Flash flash chip.
The course of work of this speech guide system is: infrared scanner scan round scanning result is transferred to controller in preset range, controller analyzes in preset range according to scanning result whether the visit personnel are arranged, if have, controller reads the guide to visitors information be stored in storer and transfers to player, player is converted into sound source signal by guide to visitors information and transfers to carrier modulator, the sound source signal that carrier modulator will receive is loaded on ultrasonic carrier according to the frequency modulation modulation system, form modulation wave signal, digital power amplifier amplifies described modulation wave signal, drive the ultrasound transducer array in audio beam loudspeaker, the voice signal that modulation wave signal is converted into to assigned direction plays back, if do not visit personnel controller is controlled player and stopped playing, only have when the visit personnel are arranged in preset range and just play, greatly saved the energy.Preset range wherein is the sound overlay area of directional sound source device.
Fig. 2 is the schematic diagram that the present embodiment speech guide system and exhibition object are used in conjunction with, as shown in the figure, speech guide system 17 is arranged on the ceiling of exhibition object 15 front sides, after entering the sound overlay area, the visit personnel can hear corresponding speech guide information, the sound overlay area of directional sound source device is equipped with abatvoix 16, abatvoix can effectively absorb the sound wave that speech guide system sends, and prevents that acoustic reflection from affecting the directive property of sound.
Wherein, speech guide system can be arranged in the top or exhibition object neighboring area of exhibition object, can reach radio reception effect preferably and get final product; Storer is not limited to the Flash flash chip, and other nonvolatile memories also can.
Embodiment bis-
The structural representation of the speech guide system that Fig. 3 provides for the present embodiment, as shown in the figure, the basic structure of this speech guide system and embodiment mono-are similar, comprise controller 1, controller 1 is connected with storer 2 and the infrared scanner 14 of audio player 3, source of sound processor 13, directional loudspeaker, storage guide to visitors information.With the difference of embodiment mono-, be, described source of sound processor is comprised of audio decoding circuit 7, D/A switch circuit 8 and amplifying circuit 9; Described directional loudspeaker is poly-sound bell-type directional loudspeaker 10; Described sound source signal is play by poly-sound bell-type directional loudspeaker 10 orientations after source of sound processor 13 is processed.
The course of work of this speech guide system is: infrared scanner scan round scanning result is transferred to controller in preset range, controller analyzes in preset range according to scanning result whether the visit personnel are arranged, if have, controller reads the guide to visitors information be stored in storer and transfers to player, player is converted into sound source signal by guide to visitors information and transfers to the audio decoding circuit decoding, through the D/A switch circuit, carry out D/A switch and amplify by amplifying circuit, driving poly-sound bell-type directional loudspeaker plays back the voice signal that signal is converted into assigned direction, if do not visit personnel controller is controlled player and stopped playing, only have when the visit personnel are arranged in preset range and just play, greatly saved the energy.Preset range wherein is the sound overlay area of directional sound source device.
This speech guide system also can reach effect as identical as embodiment mono-.
Embodiment tri-
The structural representation of the speech guide system that Fig. 4 provides for the present embodiment, as shown in the figure, speech guide system basic structure and the embodiment mono-of the present embodiment are similar, comprise controller 1, the audio beam loudspeaker 6 that controller connects successively audio player 3, source of sound processor 13 and has ultrasound transducer array, wherein source of sound processor 13 comprises carrier modulator 4 and digital power amplifier 5, carrier modulator 4 connects the input end of digital power amplifier 5, and the output terminal of digital power amplifier 5 connects audio beam loudspeaker 6.Controller 1 also is connected with storer 2 and the infrared scanner 14 of storage guide to visitors information.
With embodiment mono-difference, be, the speech guide system of the present embodiment also comprises display screen 12 and video player 11, the video information relevant to the exhibition object in controller 1 read memory 2, and transfer to video player 11, video player 11 is play the video information received, and shows by display screen 12.The visit personnel, by watching video in conjunction with speech guide, can have further and understand the exhibition object.
Below only with embodiment, describe the present invention, but the present invention is not limited to above-mentioned size and outward appearance illustration, more should not form any restriction of the present invention.As long as within any improvement that the present invention is done or modification all belong to the protection domain that the claims in the present invention advocate.
Claims (10)
1. a speech guide system, is characterized in that, described speech guide system comprises storer (2) and directional sound source device, wherein:
Storer (2), for the storage guide to visitors information relevant to exhibition object (15);
The directional sound source device, play the guide to visitors information that is stored in described storer for orientation.
2. a kind of speech guide system according to claim 1, it is characterized in that: described directional sound source device comprises audio player (3), source of sound processor (13) and directional loudspeaker;
Audio player (3) is converted into sound source signal by the guide to visitors information in described storer (2), and described source of sound processor (13) is processed the sound source signal received and played back by the directional loudspeaker orientation.
3. a kind of speech guide system according to claim 2, it is characterized in that: described source of sound processor (13) comprises carrier modulator (4) and the digital power amplifier (5) be connected with described carrier modulator (4);
Described directional loudspeaker is the audio beam loudspeaker (6) with ultrasound transducer array;
Described carrier modulator (4) is loaded into sound source signal on ultrasonic carrier according to frequency modulation modulation system or amplitude-modulating modulation mode, form modulation wave signal, described digital power amplifier (5) amplifies described modulation wave signal, drive described audio beam loudspeaker (6) sounding, the guide to visitors information that will be stored in storer (2) plays back.
4. a kind of speech guide system according to claim 2, it is characterized in that: described source of sound processor (13) is comprised of audio decoding circuit (7), D/A switch circuit (8) and amplifying circuit (9);
Described directional loudspeaker is poly-sound bell-type directional loudspeaker (10);
Described sound source signal is play by poly-sound bell-type directional loudspeaker (10) is directed after source of sound processor (13) is processed.
5. a kind of speech guide system according to claim 1, it is characterized in that: described storer (2) is the Flash flash chip.
6. a kind of speech guide system according to claim 1 is characterized in that: described speech guide system is arranged at exhibition object top.
7. a kind of speech guide system according to claim 1, it is characterized in that: described speech guide system also comprises scanister and controller (1),
The scan round scanning result is transferred to controller (1) in preset range of described scanister,
Described controller (1) is controlled described directional sound source device according to described scanning result and whether is play described guide to visitors information.
8. a kind of speech guide system according to claim 7, it is characterized in that: described scanister is infrared scanner (14).
9. a kind of speech guide system according to claim 7, it is characterized in that: described preset range is the sound overlay area of described directional sound source device, and described sound overlay area is provided with sound arrester.
10. a kind of speech guide system according to claim 1, it is characterized in that: described speech guide system also comprises display screen (12) and video player (11), described video player (11) is play the video information relevant to the exhibition object, and shows by described display screen (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103010231A CN103413511A (en) | 2013-07-17 | 2013-07-17 | Voice navigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103010231A CN103413511A (en) | 2013-07-17 | 2013-07-17 | Voice navigation system |
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| CN103413511A true CN103413511A (en) | 2013-11-27 |
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| CN2013103010231A Pending CN103413511A (en) | 2013-07-17 | 2013-07-17 | Voice navigation system |
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Cited By (4)
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| WO2014114224A1 (en) * | 2013-01-28 | 2014-07-31 | 华为技术有限公司 | Method and device for caching data |
| CN108806353A (en) * | 2018-08-17 | 2018-11-13 | 中国图书进出口（集团）大连有限公司 | Spatialization sound reading system and method |
| CN109194999A (en) * | 2018-09-07 | 2019-01-11 | 深圳创维－Rgb电子有限公司 | It is a kind of to realize sound and image method, apparatus, equipment and medium with position |
| WO2020034519A1 (en) * | 2018-08-17 | 2020-02-20 | 中国图书进出口（集团）大连有限公司 | Spatial audio reading system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108806353A (en) * | 2018-08-17 | 2018-11-13 | 中国图书进出口（集团）大连有限公司 | Spatialization sound reading system and method |
| WO2020034519A1 (en) * | 2018-08-17 | 2020-02-20 | 中国图书进出口（集团）大连有限公司 | Spatial audio reading system and method |
| CN109194999A (en) * | 2018-09-07 | 2019-01-11 | 深圳创维－Rgb电子有限公司 | It is a kind of to realize sound and image method, apparatus, equipment and medium with position |
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Application publication date: 20131127 |
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