CN102622949B - Wireless tour guide system - Google Patents
Wireless tour guide system Download PDFInfo
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- CN102622949B CN102622949B CN201110027621.5A CN201110027621A CN102622949B CN 102622949 B CN102622949 B CN 102622949B CN 201110027621 A CN201110027621 A CN 201110027621A CN 102622949 B CN102622949 B CN 102622949B
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Abstract
The invention provides a tour guide system and a tour guide method. The system comprises a main machine and a plurality of auxiliary machines, wherein the main machine is provided with a first emitting module, the auxiliary machines are provided with second receiving modules, the first emitting module of the main machine can send audio frequency information to the plurality of auxiliary machines through a first wireless channel, control information is positioned on a sideband of the channel, and the second receiving modules of the auxiliary machines can process the audio frequency information according to the control information. The wireless tour guide system is favorable for supporting a plurality of tour groups in one tourist point.
Description
Technical field
The present invention relates to a kind of wireless guide system.
Background technology
Along with universal, the speed-raising of high-speed railway of highway, the significantly lifting of aircraft capacity, the earth more and more becomes and resembles a village, and increasing people walk out door, to other places tourism.
Had the people of tourism experience all to understand, traditional guide uses loudspeaker to introduce sight spot knowledge and tourism points for attention to each member of its team.But, often in same tourist attractions, can there are multiple team simultaneously, therefore often there is noisy scene.Guide can catch in order to ensure his member, uses high-power loudspeaker to guarantee that each member of team can catch.But this is the things of bothering very much for other visitors of the member of this team not.And visitor can hear the different instruction from all these guides, thereby may do the reaction making mistake.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of guide system that can address the above problem of novelty.
For this reason, according to a first aspect of the invention, provide a kind of guide system.This system comprises main frame and multiple slave, and wherein main frame has the first transmitter module and slave has the second receiver module; The first transmitter module of main frame sends audio-frequency information by the first wireless channel to described multiple slaves, on the sideband of channel, carries control message, and the second receiver module of slave is according to control message processing audio information.
According to second aspect, provide a kind of guidance method.The method comprises that main frame passes through the first wireless channel and sends audio-frequency information to multiple slaves, on the sideband of channel, carries control message, and slave is according to control message playback of audio information.
Wireless guide system of the present invention contributes to be supported in multiple tourist parties in a tourist spot and deposit.Can there be multiple end-receiver in each team.Can adopt the wireless push-to-talk equipment of widely used specialty.It is applicable to Language Course, hearing class, museum, exhibition center, hospital, the industries such as gymnasium and tourism.
Wireless guide system at sight spot, the place such as tourist quarters, crowded supermarket, factory, museum is more and more welcome.Guide can provide high-quality speech guide explanation and point to for visitor.Equally, being also rich in constructive place is to utilize this system can guarantee do not have member to fall behind.
Aforementioned and other objects, feature and advantage of the present invention will become obvious from the following detailed description of the preferred embodiment with reference to some accompanying drawings.
Accompanying drawing explanation
Fig. 1 is wireless guide system according to an embodiment of the invention;
Fig. 2 shows the system block diagram that can realize Fig. 1 wireless guide system;
Fig. 3 is according to the schematic diagram of the wireless guide system of the second embodiment
Fig. 4 is according to the schematic diagram of the wireless guide system of the 3rd embodiment;
Fig. 5 shows the system block diagram that can be used for realizing Fig. 3 and the two-way call of Fig. 4 wireless guide system.
Embodiment
Fig. 1 is wireless guide system according to an embodiment of the invention.As shown in Figure 1, wireless guide system comprises a main frame and multiple slave.The mode that main frame is broadcasted by FM sends audio-frequency information to multiple slaves, and carries control message by the sideband of channel.
In operation, main frame can allocated channel, or search unoccupied channel within the specific limits.Then, main frame transmits control message to all slaves.Any slave receives control message and after examining, adds the marshalling of this main frame.After this sequence of operations, main frame starts guide's speech, music and/or sight spot introduction etc. to send to by the form of sound signal each slave of this group.Slave receives after sound signal, and this guide's speech, music and/or sight spot are introduced and played back.In an example, this group membership can hear by the earphone of slave guide's speech.In another example, this group membership can hear by the directional loudspeaker of slave guide's speech.
In one embodiment, main frame repeats to send at set intervals reminds member to note the control message with team, with all slaves of poll.If any slave is not received this control message after this period, send voice, remind this member not fall behind.
Fig. 2 shows the system block diagram that can realize Fig. 1 wireless guide system.Represent the block scheme of host computer side at the dexter subsystem 200 of Fig. 2.Subsystem 200 comprises transmitter 202 and controller 206.Controller 206 is by interface 212 and transmitter 202 interfaces.In addition, controller 206 can also be by interface 216 interfaces to external unit, for example peripheral control unit, button and/or switch.Transmitter 202 is coupled by interface 226 and emitting antenna 164.
In Fig. 2, the subsystem 260 of left-hand side represents slave.Subsystem 260 comprises receiver 204 and controller 208.Controller 208 is by interface 214 and receiver 204 interfaces.In addition, controller 208 can also be by interface 218 interfaces to external unit, for example peripheral control unit, button and/or switch.Receiver 204 is coupled by interface 228 and receiving antenna 176.
The audio frequency input 222 of main frame is linked and is sent to the receiver 204 of long-range slave and is transported to earphone 182 by ANTENN AUDIO.Control message offers transmitter 202 by controller, and the latter is added on the sideband of channel, and can transmit with audio-frequency information simultaneously.Receiver 204 audio reception information and control messages, and by means of control message processing audio information.Thus, the system shown in Fig. 2 provides audio transmission unidirectional between main frame and slave.
Fig. 3 is according to the schematic diagram of the wireless guide system of the second embodiment.In this embodiment, wireless guide system comprises a main frame and multiple slave.The mode that main frame is broadcasted by FM sends audio-frequency information through broadcast channel (being called the first channel) to multiple slaves, on the sideband of channel, can carry control message; Slave obtains audio-frequency information based on control information.This part content is as the first embodiment.But the slave of part can send to main frame the speech of audio form.
As shown in Figure 3, in an example, main frame is talked under default situation, and listens in all cases.All slaves all can be heard the instruction of main frame.There is default the listening to of slave of part, and can talk in pressing himself button.These slaves can be putd question to main frame through another channel (being called second channel) that is different from aforementioned the first channel by their half-duplex receiver.These slaves, in the marshalling that adds main frame, can transmit control message to main frame by the sideband of this second channel as required, and request obtains the right of two-way call.Main frame can be made automatic ruling based on request.Then, main frame sends and grants message to this slave, grants the ID that comprises this slave in message, ratifies this slave user speech.If multiple slaves are wished and main frame talk simultaneously, who first presses the button on slave so, and his request will be granted by main frame, and this slave has just occupied the channel of talking with main frame.
Fig. 4 is according to the schematic diagram of the wireless guide system of the 3rd embodiment.In this embodiment, wireless guide system comprises a main frame and multiple slave.The mode that main frame is broadcasted by FM sends audio-frequency information through broadcast channel (being called the first channel) to multiple slaves, and the sideband of the first channel can carry control message, and all slaves can obtain audio-frequency information according to control information.And all slaves can send by another channel (being called second channel) speech of relative users to main frame.
In operation, guide is facing to main frame speech under normal circumstances, and all slaves all can receive the instruction from main frame by the first channel.Main frame can allocated channel, or search unoccupied channel in the venue, as the first channel.Then, main frame sends the control message that is intended to confirmation to all slaves.Any slave receives this control message and after examining, confirmation is returned, thereby adds the marshalling of this main frame.So, in this group of host record, there are how many members, and send and grant ID (device identification), the ID difference of each slave to each slave.After this sequence of operations, main frame starts guide's speech to send to by the form of sound signal each slave of this group.Slave user can hear by the earphone of slave guide's speech.
Main frame repeats to send the control message of inquiry at set intervals, with all slaves of poll.Allly in contact range, beam back acknowledge message from chance for this inquiry.Once have slave all exceed main frame emissive power can contact range, return because this slave does not have confirmation so, main frame can be noticed this point.Thus, according to the slave ID not being confirmed, main frame is just known has a member to have fallen behind.
Slave can be talked in pressing himself button under specific circumstances.These slaves can be putd question to main frame by their half-duplex transceiver.In an example, these slaves, in the marshalling that adds main frame, can send a control message to main frame as required, and request obtains the right of two-way call.Then, main frame sends and grants ID to slave, ratifies their right.If multiple slaves are wished and main frame talk simultaneously, who first presses button so, and the slave that he grips has just occupied the channel of talking with main frame.
Fig. 5 shows the system block diagram that can be used for realizing Fig. 3 and the two-way call of Fig. 4 wireless guide system.Represent the block scheme of host computer side at the dexter subsystem 500 of Fig. 5, wherein the audio input end 522 of transceiver 562 is corresponding to the audio-frequency information receiving from microphone (not shown), audio output 524 output audio signals.Subsystem 500 comprises transmitter 502, receiver 504 and controller 506.Controller 506 passes through interface 512 and transmitter 502 interfaces, and by interface 514 and receiver 504 interfaces.In addition, controller 506 can also be by interface 516 interfaces to external unit, for example peripheral control unit, button and/or switch.Transmitter 502 is by interface 526 and emitting antenna 564 interfaces; Receiver 504 is by interface 528 and receiving antenna 566 interfaces.
In Fig. 5, the subsystem 550 of left-hand side represents the block scheme of slave.Subsystem 550 is identical with subsystem 500 essence, do not exist together and be only that the output audio 524 from receiver 504 is coupled with loudspeaker 582, and the audio frequency of transmitter 502 input 522 is provided by microphone 578.
Guide's speech, by audio frequency input 522 inputs of the transceiver 562 of main frame, is then linked and is sent to the transceiver 564 of long-range slave and is transported to earphone 582 by ANTENN AUDIO after transceiver 562 is processed.Equally, slave user's speech is processed through transmitter 512 after picking up by MIC578, is then received by the receiver 504 of main frame through ANTENN AUDIO link, then through audio frequency output 524 outputs.
As mentioned before, when audio frequency transmits by wireless channel, on the sideband of channel, carry control message, for the coordination of channel and the processing of audio-frequency information.
Certainly, in wireless audio frequency transmission function, can adopt key to encrypt audio-frequency information.Main frame adopts encrypting module to be encrypted audio-frequency information.Slave has deciphering module, and audio-frequency information is decrypted
Thus, the system shown in Fig. 5 provides audio transmission two-way between main frame and slave.
Should be appreciated that description above mainly combines mode of frequency regulation, but the present invention also can adopt other wireless transmission method to realize aforesaid guide's scheme.
Although the present invention is described according to specific embodiment, can expect that its change and change are certainly clearly to those skilled in the art.Therefore, mean, following claim should be interpreted as covering variation and the change that all these classes belong to true spirit of the present invention and scope.
Claims (9)
1. a guide system, comprises main frame and multiple slave, and wherein main frame has the first transmitter module and slave has the second receiver module; The first transmitter module of main frame sends audio-frequency information by the first wireless channel to described multiple slaves, on the sideband of channel, carries control message, and the second receiver module of slave is according to control message processing audio information;
Wherein, slave can send to main frame the speech of audio form;
Wherein at least a portion slave has the second transmitter module and a button, and the second transmitter module can send audio-frequency information to main frame by the second channel that is different from the first channel; Main frame has the first receiver module; Wherein, in the time that the button of slave is pressed, the second transmitter module of this slave sends request the control message of call to main frame by the sideband of second channel, main frame sends the control message of permitting by the first transmitter module by the sideband of the first channel in the time that the first receiver module receives control message to slave, this slave obtains the right to use of conversing by second channel thus.
2. guide system as claimed in claim 1, wherein said control message is prompting message, second this prompting message of receiver module periodic reinvestigation of slave, in the situation that not receiving prompting message, slave broadcasts prompting message.
3. guide system as claimed in claim 1, wherein said the first wireless channel is frequency modulation channel.
4. guide system as claimed in claim 1, wherein main frame has encrypting module, and audio-frequency information is encrypted; Slave has deciphering module, and audio-frequency information is decrypted.
5. a guidance method, comprises that main frame passes through the first wireless channel and sends audio-frequency information to multiple slaves, on the sideband of channel, carries control message, and slave is according to control message playback of audio information;
Wherein at least a portion slave has button, and can send audio-frequency information to main frame by the second channel that is different from the first channel; In the time that the button of slave is pressed, this slave sends request by the sideband of second channel the control message of conversing by second channel to main frame; Main frame sideband by the first channel in the time receiving control message sends the control message of permitting to slave, this slave obtains the right to use of conversing by second channel thus.
6. guidance method as claimed in claim 5, wherein said control message is prompting message, and described method comprises this prompting message of slave periodic reinvestigation, and in the situation that not receiving prompting message, slave broadcasts prompting message.
7. guidance method as claimed in claim 5, the step that wherein said main frame sends the control message of permitting by the sideband of the first channel to slave in the time receiving control message is included in the device identification of carrying the slave that is allowed to call in control message.
8. guidance method as claimed in claim 5, the step of audio-frequency information being encrypted comprising main frame.
9. guidance method as claimed in claim 5, wherein wireless channel is frequency modulation channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027621.5A CN102622949B (en) | 2011-01-26 | 2011-01-26 | Wireless tour guide system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027621.5A CN102622949B (en) | 2011-01-26 | 2011-01-26 | Wireless tour guide system |
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| Publication Number | Publication Date |
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| CN102622949A CN102622949A (en) | 2012-08-01 |
| CN102622949B true CN102622949B (en) | 2014-07-02 |
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| CN201110027621.5A Expired - Fee Related CN102622949B (en) | 2011-01-26 | 2011-01-26 | Wireless tour guide system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103943120B (en) * | 2014-05-05 | 2016-05-18 | 深圳市必肯科技有限公司 | A kind of audio/video flow mutual induction control system and control method |
| WO2019012528A1 (en) * | 2017-07-11 | 2019-01-17 | Haj Ali Afnan | System and method for establishing a session |
| CN107682818A (en) * | 2017-09-18 | 2018-02-09 | 浙江依特诺科技股份有限公司 | A kind of beeper applied to tourist group |
| US11071150B2 (en) | 2018-05-02 | 2021-07-20 | Google Llc | True wireless solution for BT stereo audio playback |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202025513U (en) * | 2011-01-26 | 2011-11-02 | 北京昆天科微电子技术有限公司 | Wireless tour guide system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972155A (en) * | 2005-11-21 | 2007-05-30 | 姬国良 | Tourism guiding and broadcasting information system |
| CN1874367A (en) * | 2006-06-15 | 2006-12-06 | 深圳市邦华电子有限公司 | Nandset of possessing function of interphone |
| CN101178867A (en) * | 2006-11-09 | 2008-05-14 | 上海真灼电子技术有限公司 | Electronic tour guide system used for tour community |
| CN201044161Y (en) * | 2007-05-24 | 2008-04-02 | 刘啟元 | Electric tourist guide system |
| JP2009025335A (en) * | 2007-07-17 | 2009-02-05 | Seiko Epson Corp | Guidance system, personal digital assistant and program |
| CN101247170B (en) * | 2007-12-27 | 2011-08-03 | 浙江大学 | Interactive wireless electric tour guide system and method |
| CN101626259A (en) * | 2008-06-11 | 2010-01-13 | 昆天公司 | Channel coordination between a wireless earphone and a transmitter |
| CN201465326U (en) * | 2009-06-09 | 2010-05-12 | 李晓阳 | Electronic guide device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202025513U (en) * | 2011-01-26 | 2011-11-02 | 北京昆天科微电子技术有限公司 | Wireless tour guide system |
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Owner name: NXP BV Free format text: FORMER OWNER: BEIJING QUINTIC MICROELECTRONICS CO., LTD. Effective date: 20150326 |
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Effective date of registration: 20150326 Address after: Holland Ian Deho Finn Patentee after: NXP BV Address before: 100084, B, building eight, Tsinghua Science Park, No.1, Zhongguancun East Road, Haidian District, Beijing, 301A Patentee before: Quintic Beijing Microelectroni |
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Granted publication date: 20140702 Termination date: 20190126 |