CN103575288A - Navigation method and device thereof for video broadcast situations - Google Patents
Navigation method and device thereof for video broadcast situations Download PDFInfo
- Publication number
- CN103575288A CN103575288A CN201210258399.4A CN201210258399A CN103575288A CN 103575288 A CN103575288 A CN 103575288A CN 201210258399 A CN201210258399 A CN 201210258399A CN 103575288 A CN103575288 A CN 103575288A
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- China
- Prior art keywords
- guider
- voice broadcast
- volume
- car
- turning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3629—Guidance using speech or audio output, e.g. text-to-speech
Abstract
The invention discloses a navigation method and a device thereof for video broadcast situations. The navigation method comprises steps of starting the navigation device and connecting car audio; starting the navigation function of the navigation device and generating navigation information; determining whether a turning instruction is detected according to the navigation information; if the turning instruction is detected, determining the surplus distance to a road junction to adjust the sound volume of the whole navigation device; adjusting the sound volume to be low if the distance is far; adjusting the sound volume to be medium if the distance is medium; adjusting the sound volume to be loud if the distance is short; and calculating the angle between a car running direction and a straight line defined by the next turning road junction and a car, using the angle as a sounding simulation position of a sound field and performing video broadcast. By the steps, a car driver can guess a possible direction of the next road junction the first time the driver heard the video broadcast through aids of characteristics of video left and right channel stereophonic sound and proper control of the sound volume.
Description
[technical field]
The present invention relates to a kind of phonetic navigation method, particularly a kind of air navigation aid of voice broadcast situation.
[background technology]
At present, automobile-used satellite navigation PND on the market, has possessed speech navigation function mostly, but because the consideration of hardware cost, and the sound quality that the loudspeaker of PND are sent is poor, cannot mention in the same breath with vehicle sound equipment.And application above voice for this often also only has the function of adjusting sound size sound.There is on the market at present part product, can utilize the mode of wireless connections to allow vehicle sound equipment become the loudspeaker of PND.
When user drives, under guider opening, because the content of voice broadcast is sometimes when very long, example: " 500 meters, the place ahead; one section, the Nan Gang road of travelling of please turning right ", if driver is not just when " please turn right " three words are caught, the very first time can be confused about this left-hands rotation on earth or right-hand rotation, at this moment the notice that driver must shift driving goes to see that guiding aircraft screen also turns right to confirm this left-hand rotation of the end, easily causes danger.
In view of this, the present invention is utilizing the stereosonic characteristic of vehicle sound equipment left and right acoustic channels and the kind control with volume, assists driver the very first time after hearing voice broadcast can guess the orientation that next crossing is possible.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of air navigation aid and device thereof of voice broadcast situation, its stereosonic characteristic of available sound equipment left and right acoustic channels and the kind control with volume, assist driver the very first time after hearing voice broadcast can guess the orientation that next crossing is possible.
For solving the problems of the technologies described above, the air navigation aid of voice broadcast situation of the present invention, it includes following steps: open a guider and connect vehicle sound equipment; Start the navigation feature of described guider and produce navigation information; According to this navigation information, judge whether to detect a turning indication; If detect a turning indication, judge the volume of crossing Distance Remaining adjustment guider integral body; And calculate straight line that next turning crossing and car define and the angle between car direct of travel as the emulation position of sound field pronunciation and carry out voice broadcast.
The guider of the guider kind voice broadcast situation of voice broadcast situation of the present invention, is characterized in that, described device comprises: a wireless connection device, connects described guider and a vehicle sound equipment; One figure provides database; An and microprocessor, described microprocessor starts the navigation feature of described guider, described figure provides database and produces navigation information and judge whether to detect a turning indication according to this navigation information, if detect a turning indication, described microprocessor judges crossing Distance Remaining is adjusted the volume of guider integral body, and described microprocessor calculates the emulation position that straight line that next turning crossing and car define and the angle between car direct of travel pronounce as sound field and carries out voice broadcast.
The present invention utilizes the sounding position of stereo left and right acoustic channels and coordinating of volume, simulation image is to have ewscaster to stand in turning to speak, allow driver can from sound, tentatively tell possible orientation, next crossing, without the notice of shift driving, go to see that guiding aircraft screen also turns right to confirm this left-hand rotation of the end.Voice broadcast can judge significance level according to the distance at next crossing of turning (or speed camera), and the more important information of near distance can be reported by larger volume, allows driver more know the content of reporting.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the flow chart of steps of air navigation aid of the voice broadcast situation of a preferred embodiment of the present invention.
Fig. 2 shows that the position of sound field pronunciation in the air navigation aid of voice broadcast situation of a preferred embodiment of the present invention is how to confirm.
Fig. 3 is the configuration diagram of guider of the voice broadcast situation of a preferred embodiment of the present invention.
[embodiment]
Figure 1 shows that the flow chart of steps of air navigation aid of the voice broadcast situation of the present invention's one most preferred embodiment.
First, open a guider and connect vehicle sound equipment (step 11), in the present embodiment, guider can connect vehicle sound equipment by wireless connection devices such as bluetooth or frequency modulation transmitters (FM transmitter), makes vehicle sound equipment can be used as the loudspeaker of guider.Then, start the navigation feature of described guider and produce navigation information (step 12).According to this navigation information, judge whether to detect a turning indication (step 13).If no, continue step 13.If detect a turning indication, judge the volume (step 14) of crossing Distance Remaining adjustment guider integral body.If distant, be for example greater than 500m, the volume of guider is made as to little sound (step 15).If distance is medium, as 100～500m, the volume of guider is made as to medium (step 16).If distance is very near, as 100m, the volume of guider is made as (step 17) loudly.Calculate straight line that next turning crossing and car define and the angle between car direct of travel as the emulation position of sound field pronunciation and carry out voice broadcast (step 18).Fig. 2 has shown that the position of sound field pronunciation is how to confirm, the direction that car is advanced is X, next turning crossing is that A is positioned at the right-hand of car direct of travel, line between car and next turning crossing is Y, angle β between line Y between car direct of travel X and car and next turning crossing, the position emulation of sound field sounding becomes car middle angle of eccentricity β to the right.By that analogy, when next turning crossing A is positioned at the left of car, the position emulation that sound field occurs becomes car middle certain angle of taking back.It should be noted that in step 18, in the process of voice broadcast, although sound field effect can affect the volume of left and right acoustic channels, the whole volume of guider is constant.Through smoothly behind a turning crossing, guider will return to the step 13 crossing detecting of proceeding to turn.
In step 18, the straight line defining according to next turning crossing and car and the angle between car direct of travel, utilize the stereo position of carrying out emulation sound sounding, paying special attention to this angle value not necessarily directly brings and uses when the angle of sound field sounding, the position angle of institute's emulation may be looked driver's sense organ effect, in angle, will additionally adjust.
Fig. 3 is shown as the guider of air navigation aid of the utilization voice broadcast situation of the present invention of the present invention's one most preferred embodiment.The guider 200 of voice broadcast situation of the present invention at least comprises a wireless connection device 210, microprocessor 220, and a figure provides database 230.Open guider 200 of the present invention, by described wireless connection device 210, connect vehicle sound equipment A, make vehicle sound equipment A as the loudspeaker arrangement of guider 200 of the present invention.Described microprocessor 220 starts the navigation feature of described guider, described figure provides database 230 and produces navigation information and judge whether to detect a turning indication according to this navigation information, if detect a turning indication, described microprocessor 220 judgement crossing Distance Remainings are adjusted the volume of guider integral body, if distant, for example be greater than 500m, the volume of guider be made as to little sound.If distance medium, as 100～500m, the volume of guider is made as medium, if distance very near, as 100m, the volume of guider is made as loudly.Voice broadcast is also carried out in the emulation position that the straight line that described microprocessor 220 next turning crossing of calculating and car define and the angle between car direct of travel pronounce as sound field.
Be more than air navigation aid and the device thereof of the voice broadcast situation of most preferred embodiment of the present invention, the present invention utilizes the sounding position of stereo left and right acoustic channels and coordinating of volume, simulation image is to have ewscaster to stand in turning to speak, allow driver can from sound, tentatively tell possible orientation, next crossing, without the notice of shift driving, go to see that guiding aircraft screen also turns right to confirm this left-hand rotation of the end.Voice broadcast can judge significance level according to the distance at next crossing of turning (or speed camera), and the more important information of near distance can be reported by larger volume, allows driver more know the content of reporting.
Separately, it should be noted that guider of the present invention can be personal navigation apparatus, vehicle navigation device or there is mobile phone of navigation feature etc.
In sum, the various embodiments described above and diagram are only the present invention's preferred embodiment, when can not with the scope of restriction the invention process, the equalization of generally being done according to the present patent application the scope of the claims changes and modifies, and all should be covered by the present invention within the scope of the patent.
Claims (10)
1. an air navigation aid for voice broadcast situation, is characterized in that, said method comprising the steps of:
Open a guider and connect vehicle sound equipment;
Start the navigation feature of described guider and produce navigation information;
According to this navigation information, judge whether to detect a turning indication;
If detect a turning indication, judge the volume of crossing Distance Remaining adjustment guider integral body; And
Calculate straight line that next turning crossing and car define and the angle between car direct of travel as the emulation position of sound field pronunciation and carry out voice broadcast.
2. the air navigation aid of voice broadcast situation according to claim 1, is characterized in that, if described method detects a turning indication in step, judges that crossing Distance Remaining is adjusted and further includes following steps after the volume of guider integral body:
If distant, the volume of guider is made as to little sound;
If distance is medium, the volume of guider is made as medium;
If distance is very near, the volume of guider is made as loudly.
3. the air navigation aid of voice broadcast situation according to claim 1, it is characterized in that, calculating the emulation position that straight line that next turning crossing and car define and the angle between car direct of travel pronounce as sound field and carrying out in the step of voice broadcast, in the process of voice broadcast, although sound field effect can affect the volume of left and right acoustic channels, the whole volume of guider is constant.
4. the air navigation aid of voice broadcast situation according to claim 1, is characterized in that, is opening a guider and is connecting in vehicle sound equipment step, and described guider connects vehicle sound equipment by bluetooth
5. the air navigation aid of voice broadcast situation according to claim 1, is characterized in that, is opening a guider and is connecting in vehicle sound equipment step, and described guider connects vehicle sound equipment by frequency modulation transmitter.
6. a guider for voice broadcast situation, is characterized in that, described device comprises:
One wireless connection device, connects described guider and a vehicle sound equipment;
One figure provides database; And
One microprocessor, described microprocessor starts the navigation feature of described guider, described figure provides database and produces navigation information and judge whether to detect a turning indication according to this navigation information, if detect a turning indication, described microprocessor judges crossing Distance Remaining is adjusted the volume of guider integral body, and described microprocessor calculates the emulation position that straight line that next turning crossing and car define and the angle between car direct of travel pronounce as sound field and carries out voice broadcast.
7. the guider of voice broadcast situation according to claim 6, it is characterized in that, described microprocessor is detecting a turning indication, described microprocessor judges crossing Distance Remaining is adjusted after the volume of guider integral body, if distant, the volume of guider is made as to little sound, if distance is medium, the volume of guider is made as medium, if distance very near, the volume of guider is made as loudly.
8. the guider of voice broadcast situation according to claim 6, it is characterized in that, calculating the analog position that straight line that next turning crossing and car define and the angle between car direct of travel pronounce as sound field and carrying out in the process of voice broadcast, although sound field effect can affect the volume of left and right acoustic channels, the whole volume of guider is constant.
9. the guider of voice broadcast situation according to claim 6, is characterized in that, described wireless connection device is a Bluetooth connection device.
10. the guider of voice broadcast situation according to claim 6, is characterized in that, described wireless connection device is a frequency modulation transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258399.4A CN103575288A (en) | 2012-07-25 | 2012-07-25 | Navigation method and device thereof for video broadcast situations |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258399.4A CN103575288A (en) | 2012-07-25 | 2012-07-25 | Navigation method and device thereof for video broadcast situations |
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| CN103575288A true CN103575288A (en) | 2014-02-12 |
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| CN201210258399.4A Pending CN103575288A (en) | 2012-07-25 | 2012-07-25 | Navigation method and device thereof for video broadcast situations |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055116A (en) * | 2016-07-26 | 2016-10-26 | 广东欧珀移动通信有限公司 | Control method and control device |
| CN106791042A (en) * | 2016-11-30 | 2017-05-31 | 努比亚技术有限公司 | A kind of Voice Navigation processing method, device and terminal |
| CN108519097A (en) * | 2018-03-14 | 2018-09-11 | 联想(北京)有限公司 | Air navigation aid and voice playing equipment |
| CN111402879A (en) * | 2020-03-19 | 2020-07-10 | 斑马网络技术有限公司 | Vehicle navigation prompt voice control method, device, equipment and medium |
| CN112672259A (en) * | 2019-10-16 | 2021-04-16 | 北京地平线机器人技术研发有限公司 | Loudspeaker control method and device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055116A (en) * | 2016-07-26 | 2016-10-26 | 广东欧珀移动通信有限公司 | Control method and control device |
| CN106791042A (en) * | 2016-11-30 | 2017-05-31 | 努比亚技术有限公司 | A kind of Voice Navigation processing method, device and terminal |
| CN108519097A (en) * | 2018-03-14 | 2018-09-11 | 联想(北京)有限公司 | Air navigation aid and voice playing equipment |
| CN112672259A (en) * | 2019-10-16 | 2021-04-16 | 北京地平线机器人技术研发有限公司 | Loudspeaker control method and device |
| CN112672259B (en) * | 2019-10-16 | 2023-03-10 | 北京地平线机器人技术研发有限公司 | Loudspeaker control method and device |
| CN111402879A (en) * | 2020-03-19 | 2020-07-10 | 斑马网络技术有限公司 | Vehicle navigation prompt voice control method, device, equipment and medium |
| CN111402879B (en) * | 2020-03-19 | 2023-10-31 | 斑马网络技术有限公司 | Vehicle navigation prompt voice control method, device, equipment and medium |
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Application publication date: 20140212 |