CN101339044B - Navigation system and navigation system voice prompt method - Google Patents

Navigation system and navigation system voice prompt method Download PDF

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Publication number
CN101339044B
CN101339044B CN2008101182707A CN200810118270A CN101339044B CN 101339044 B CN101339044 B CN 101339044B CN 2008101182707 A CN2008101182707 A CN 2008101182707A CN 200810118270 A CN200810118270 A CN 200810118270A CN 101339044 B CN101339044 B CN 101339044B
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China
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module
navigation
voice
highway
vehicle
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CN2008101182707A
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Chinese (zh)
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CN101339044A (en
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张文星
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深圳市凯立德欣软件技术有限公司
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Publication of CN101339044A publication Critical patent/CN101339044A/en
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Abstract

The invention provides a navigation system and a navigation system voice prompt method thereof. The navigation system comprises a navigation module, a user interface control module and a map data management module; wherein, the navigation module comprises a navigation control module, a self-position detection module, a road type judgment module and a voice prompt module; wherein, the road type judgment module receives vehicle positioning information from the self-position detection module, obtains map data from the map data management module and judges the type of the road in which the vehicle is located; the voice prompt module selects different languages to prompt distance according to different road types and carries out voice prompt when the value of the specific position of the driving distance of the vehicle is less than the corresponding voice prompt distance threshold value of the current road type. By selecting different voice to remind distance threshold value according to the type of the located road of the user, the navigation system gives the user sufficient time to make corresponding preparations after hearing the voice prompt without burdening the system and affecting the function of the navigation system.

Description

A kind of navigational system and navigation system voice prompt method

Technical field

The invention belongs to field of navigation technology, relate in particular to a kind of navigational system and navigation system voice prompt method.

Background technology

At present, (Global Positioning System GPS) is one of GPS navigation important application direction to automobile-used GPS.The gps antenna of automobile-used GPS navigation system receives from 3 data messages that transmitted in earth-circling 24 gps satellites at least; In conjunction with the electronic chart that is stored in the Vehicular navigation terminal; The position coordinates of confirming through gps satellite signal is complementary therewith, confirms the accurate position of navigation object in electronic chart.The user of steering vehicle can transfer to computer and select driving path when driving, and as direction guiding, thereby correctly arrive the destination apace.

Fig. 1 is the structural drawing of Vehicular guidance system in the prior art, and this Vehicular guidance system is made up of loudspeaker 1, chuck assembly 2, input media 3, voice output 4, display device 5, control device 6, GPS receiving trap 7 etc.

Chuck assembly 2 can be reduced into numerical data to the recorded content that inserts in the recording medium that records map datum, control program data etc. wherein, and delivers to and deliver to control device 6.

Input media 3 is made up of button, rocking bar, knob, touch-screen etc.Input media 3 is used to import user's various requirement.Input media 3 is delivered to user's input signal in the control device 6.

The voice data translation that voice output 4 is sent control device 6 here is a voice signal, delivers to loudspeaker 1.The voice signal that loudspeaker 1 is sent voice output 4 here converts sound and output to, and like this, loudspeaker 1 just can cooperate the needs of control device 6, sends the voice of various operational notifications and route guidance.

Display device 5 is generally LCD (Liquid Crystal Display) screen, according to the video data that control device 6 is sent here, shows the image that it is corresponding.

Control device 6 is microcomputer (for example palm PC, smart mobile phone, a car-mounted terminal etc.).

7 receptions of GPS receiving trap detect the present position and the moving direction of vehicle from the signal of gps satellite, and convert detected result to protocol data, and these protocol datas further are sent to control device 6.

Control device 6 receives the input of input media 3, generates and the desired content corresponding processing result of input, delivers among voice output 4, the display device 5.And read map datum from chuck assembly 2, also contain the data content that is useful on picture guiding usefulness in these map datums.

Usually, navigational system, can be sent voice suggestion and remind the user to operate accordingly to ad-hoc location in user's vehicle ' during like fork in the road, turning, destination.But the defective of existing navigational system is; Can only be that threshold value triggers voice suggestion with the distance of system or user preset, promptly no matter when the speed of a motor vehicle how, be expert at and sail out of ad-hoc location a distance inform the user will turn or arrives the destination after how many distances (distance threshold); Need to carry out correct operation; When the speed of a motor vehicle is too fast, will be too short because of the prompting distance, miss turning or destination thereby make the user have little time reaction; Or navigation is promptly beginning frequently to send voice suggestion than distant location apart from ad-hoc location, though this mode makes the user have the sufficiently long reaction time, reckons without different road conditions, and the user is fed up with.

Though provide in the prior art according to user's current vehicle speed and come the dynamically method of the distance threshold of adjustment voice suggestion; But the navigational system of operation technique scheme needs incessantly monitor vehicle speed and carries out the backstage and calculate; Increased the weight of system burden, reduced system running speed and influence its navigation feature.

Summary of the invention

The object of the present invention is to provide a kind of navigational system, navigation system voice prompt method; Be intended to solve current navigational system and come the dynamically distance threshold of adjustment voice suggestion according to user's current vehicle speed; Increased the weight of system burden, reduced system running speed and influence the problem of its navigation feature.

The technical scheme that the present invention taked is: a kind of navigational system; Comprise navigation module, user interface control module and map data management module; Said navigation module comprises the Navigation Control module, detection module, road type judge module and voice cue module from the car position; Said road type judge module receives the vehicle location information from the detection module from the car position; And obtain map datum from the map data management module, and judge the type of the current road of living in of vehicle, said voice cue module is chosen different voice prompting distance according to different road types; During apart from threshold values, carry out voice suggestion less than the pairing voice suggestion of current road type apart from the value of ad-hoc location in vehicle '.

The technical scheme that the present invention takes also comprises: said voice cue module stores highway section sign-prompting apart from correspondence table, chooses the prompting distance according to the current highway section of living in of vehicle sign, and wherein, the highway section sign is corresponding with road type.

The technical scheme that the present invention takes also comprises: said navigation module also comprises the parameter modification module, and said parameter modification module is made amendment apart from the correlation parameter of correspondence table to the highway section sign-prompting of storing in the voice cue module.

The technical scheme that the present invention takes also comprises: said correlation parameter comprises that the highway section identifies pairing speed limit value and voice suggestion distance.

The another technical scheme that the present invention takes is: a kind of navigation system voice prompt method comprises: steps A: judge road type according to the highway section sign; Step B:, confirm the voice suggestion distance of current road type of living in according to the type of user's road of living in; Step C: if vehicle ' apart from the value of ad-hoc location greater than the voice suggestion distance threshold, then do not carry out voice suggestion; Step D: if vehicle ' apart from the value of ad-hoc location less than the voice suggestion distance threshold, carry out voice suggestion.

The technical scheme that the present invention takes also comprises: said steps A specifically comprises: receive the vehicle location information from the detection module from the car position, and obtain map datum from the map data management module, judge the type of the current road of living in of vehicle.

The technical scheme that the present invention takes also comprises: the concrete grammar of confirming the voice suggestion distance of current road type of living in is: the highway section sign-prompting of reading storage is apart from correspondence table; Confirm the prompting distance according to the highway section sign; Wherein, the highway section sign is corresponding with road type.

The technical scheme that the present invention takes also comprises: in said step B, the voice suggestion distance is provided with by the user.

The present invention reminds distance threshold owing to choose different voice according to the type of user's road of living in; Therefore have according to different road conditions and carry out voice suggestion, make the user after hearing voice suggestion, have the sufficient time to carry out corresponding preparation and can not increase the weight of system burden and influence the technique effect of its navigation feature.

Description of drawings

Fig. 1 is the structural drawing of Vehicular guidance system in the prior art;

Fig. 2 is the module map of navigational system of the present invention;

Fig. 3 is the process flow diagram of navigation system voice prompt method of the present invention.

Embodiment

In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.

Design of the present invention is that at first the type of judges road of living in is expressway, through street or general highway section, according to the common travel speed in above-mentioned highway section, in conjunction with user's reaction time, the distance threshold that triggers voice suggestion is set again.

See also Fig. 2, be the module map of navigational system of the present invention.Navigational system of the present invention mainly comprises navigation module, user interface control module, map data management module.Wherein, navigation module further comprises detection module, path searcher module, route guidance module, Navigation Control module, map display module, road type judge module, voice cue module and parameter modification module from the car position.

When the user uses navigational system to carry out path navigation; Detection module receives the signal from gps satellite through the GPS receiving trap from the car position; Detect position, moving direction and the gait of march of vehicle, and, be sent to path searcher module detected result.

Path searcher module receives the vehicle location information from the detection module from the car position simultaneously; And with the present position of vehicle as the departure place; The user imports the place as the destination; Obtain map datum from the map data management module, and processing is directly explored in walking along the street in fact, and with track search return path bootstrap module as a result.

Then; Route guidance module obtains map datum from the map data management module; It is carried out the path induce processing, and, read and Navigation Control so that the map data management module is predicted inducing result to return to map data management module and Navigation Control module.

Navigation Control module controls map display module generates the video data that map shows usefulness according to the map data information of reading from the map data management module, delivers to the user interface control module.Data such as the interface in the time of also will inducing in addition, navigation speech send the user interface control module to, and the user is navigated.

The road type judge module receives the vehicle location information from the detection module from the car position, and obtains map datum from the map data management module, judges the type of the current road of living in of vehicle, wherein, includes the road type data in the map datum.

Store highway section sign-prompting in the voice cue module apart from correspondence table, this correspondence table indicates that different highway sections identifies corresponding different voice prompting distance.Table 1 be the embodiment of the invention described highway section sign-prompting apart from correspondence table, certainly, highway section of the present invention sign-prompting can also be other forms apart from correspondence table.

Table 1

The highway section sign Speed limit (km/h) Top speed (m/s) Prompting distance (reaction time 5s) At a high speed 120 34 170 Fast 90 25 125 Generally 60 17 85

The road conditions that be to adapt to different regions, with wherein speed limit numerical associations in the branch highway section overspeed prompting function that navigational system provided

Voice cue module receives vehicle ' that the Navigation Control module sends apart from the road type information that the information and the road type judge module of ad-hoc location sends, and confirms the voice suggestion distance of current road type of living in.Voice cue module judge vehicle ' apart from the value of ad-hoc location whether less than the voice reminder distance threshold, if less than the voice reminder distance threshold, then send the related voice reminder-data to the user interface control module, the user is reminded.

The parameter modification module can be made amendment apart from the correlation parameter of correspondence table to the highway section sign-prompting of storing in the voice cue module, for example, revises the highway section and identifies pairing speed limit value or revise the voice suggestion distance, to satisfy requirements of different users.

See also Fig. 3, be the process flow diagram of navigation system voice prompt method of the present invention.Navigation system voice prompt method of the present invention may further comprise the steps:

Step 100: judge road type according to the highway section sign, promptly the type of judges road of living in is expressway, through street or general highway section;

The road type judge module receives the vehicle location information from the detection module from the car position, and obtains map datum from the map data management module, judges the type of the current road of living in of vehicle, wherein, includes the road type data in the map datum;

Step 200:, confirm the voice suggestion distance of current road type of living in according to the type of user's road of living in;

Store highway section sign-prompting in the voice cue module apart from correspondence table; This correspondence table indicates that different highway sections identifies corresponding different voice prompting distance, and voice cue module is called highway section sign-prompting apart from the voice suggestion distance of correspondence table with definite current road type of living in.

For avoiding the user to miss turning or destination; Suppose that the user goes with the top speed in highway section of living in; Then user's travel speed and reaction time are confirmed through table 1; Table 1 be the embodiment of the invention described highway section sign-prompting apart from correspondence table, certainly, highway section of the present invention sign-prompting can also be other forms apart from correspondence table.

Table 1

The highway section sign Speed limit (km/h) Top speed (m/s) Prompting distance (reaction time 5s) At a high speed 120 34 170 Fast 90 25 125 Generally 60 17 85

Wherein, the distance threshold of voice suggestion is provided with according to the common travel speed in above-mentioned highway section and user's reaction time.The road conditions that be to adapt to different regions in the branch highway section overspeed prompting function that navigational system provided, can provide wherein speed limit numerical associations usually in the default and revise this numerical value option.Certainly, also can add the option of the different highway section prompting of direct modification distance, so that user's modification.

Step 300: judge vehicle ' apart from the value of ad-hoc location whether less than the pairing voice suggestion of current road apart from threshold values;

Step 400: if vehicle ' apart from the value of ad-hoc location greater than the pairing voice suggestion of current road apart from threshold values, then do not carry out voice suggestion;

Step 500: if vehicle ' apart from the value of ad-hoc location less than the pairing voice suggestion of current road apart from threshold values, voice cue module sends the related voice reminder-data to the user interface control module, carries out voice suggestion.

Adopt after the technical scheme of the present invention; Different voice prompting distance threshold can be arranged in the system in advance; Can choose different voice according to the type of user's road of living in and remind distance threshold; Have according to different road conditions and carry out voice suggestion, make the user after hearing voice suggestion, have the sufficient time to carry out corresponding preparation, and can not increase the weight of system burden and influence its navigation feature.

The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. navigational system; Comprise navigation module, user interface control module and map data management module; Said navigation module comprise the Navigation Control module and from the car position detection module, it is characterized in that said navigation module also comprises road type judge module and voice cue module; Said road type judge module receives the vehicle location information from the detection module from the car position; And obtain map datum from the map data management module, and judge the type of the current road of living in of vehicle, said voice cue module is chosen different voice prompting distance according to different road types; During apart from threshold values, carry out voice suggestion less than the pairing voice suggestion of current road type apart from the value of ad-hoc location in vehicle '.
2. the system of claim 1 is characterized in that, said voice cue module stores highway section sign-prompting apart from correspondence table, chooses the prompting distance according to the current highway section of living in of vehicle sign, and wherein, the highway section sign is corresponding with road type.
3. system as claimed in claim 2 is characterized in that said navigation module also comprises the parameter modification module, and said parameter modification module is made amendment apart from the correlation parameter of correspondence table to the highway section sign-prompting of storing in the voice cue module.
4. system as claimed in claim 3 is characterized in that, said correlation parameter comprises that the highway section identifies pairing speed limit value and voice suggestion distance.
5. navigation system voice prompt method comprises:
Steps A: judge road type according to the highway section sign;
Step B:, confirm the voice suggestion distance of current road type of living in according to the type of user's road of living in;
Step C: if vehicle ' apart from the value of ad-hoc location greater than the voice suggestion distance threshold, then do not carry out voice suggestion;
Step D: if vehicle ' apart from the value of ad-hoc location less than the voice suggestion distance threshold, carry out voice suggestion.
6. method as claimed in claim 5 is characterized in that, said steps A specifically comprises: receive the vehicle location information from the detection module from the car position, and obtain map datum from the map data management module, judge the type of the current road of living in of vehicle.
7. method as claimed in claim 6; It is characterized in that, confirm that the concrete grammar of the voice suggestion distance of current road type of living in is: the highway section sign-prompting of reading storage is confirmed the prompting distance apart from correspondence table according to the highway section sign; Wherein, the highway section sign is corresponding with road type.
8. method as claimed in claim 5 is characterized in that, in said step B, the voice suggestion distance is provided with by the user.
CN2008101182707A 2008-08-12 2008-08-12 Navigation system and navigation system voice prompt method CN101339044B (en)

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CN101799298B (en) * 2009-02-06 2013-01-09 神达电脑股份有限公司 Method for reminding user of future appointment
CN101957214B (en) * 2010-06-03 2014-09-24 宇龙计算机通信科技(深圳)有限公司 Navigation prompting method and navigation device
CN101908273B (en) * 2010-07-15 2013-04-10 北京世纪高通科技有限公司 Processing method and device of traffic road condition data
CN102364550B (en) * 2011-10-12 2013-09-18 北京世纪高通科技有限公司 Method and device for selecting information trigger position
CN103162704A (en) * 2011-12-14 2013-06-19 上海博泰悦臻电子设备制造有限公司 Vehicle-mounted device and voice prompt method
CN103528589B (en) * 2012-07-06 2016-02-03 昆达电脑科技(昆山)有限公司 Navigation lock path method and navigational system thereof
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CN103618838B (en) * 2013-12-12 2016-07-13 惠州Tcl移动通信有限公司 A kind of method and system utilizing mobile terminal auxiliary to drive
CN103776460B (en) * 2014-01-27 2017-01-04 上海安吉星信息服务有限公司 A kind of voice broadcast method of navigation system
CN103940439A (en) * 2014-04-28 2014-07-23 广州通易科技有限公司 Intelligent terminal navigation system based on routes and voice shared by other people
CN105320709A (en) * 2014-08-05 2016-02-10 阿里巴巴集团控股有限公司 Information reminding method and device on terminal equipment
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CN107545012B (en) * 2016-06-29 2020-03-13 高德软件有限公司 Road endpoint angle determination method and device
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