CN106403975A - Voice prompting method and system - Google Patents
Voice prompting method and system Download PDFInfo
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- CN106403975A CN106403975A CN201610780689.3A CN201610780689A CN106403975A CN 106403975 A CN106403975 A CN 106403975A CN 201610780689 A CN201610780689 A CN 201610780689A CN 106403975 A CN106403975 A CN 106403975A
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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
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
- G01C21/343—Calculating itineraries, i.e. routes leading from a starting point to a series of categorical destinations using a global route restraint, round trips, touristic trips
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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
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
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- General Physics & Mathematics (AREA)
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- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
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- Traffic Control Systems (AREA)
Abstract
The invention provides a voice prompting method and system. The method comprises the following steps: obtaining the driving route of a vehicle, wherein the driving route at least comprises one intersection with a traffic light; obtaining the current position of the vehicle, determining the distance between the current position and a position of the intersection, which is closest to and in front of the vehicle; when the distance reaches a preset distance threshold, calculating the minimal time for passing the preset distance threshold, and broadcasting the calculated minimal time in voice. The provided voice prompting method and system can prompt a driver whether he can successfully pass a traffic light intersection or not.
Description
Technical field
The application is related to technical field of information processing, particularly to a kind of phonetic prompt method and system.
Background technology
With the continuous development of urban construction, in order to keep the order of urban road, often arrange at busy crossing
Traffic lights, to control the current of vehicle.
At present, people drive when can by terminal unit in install navigation system carry out path planning.Existing
In navigation system, often whether there are traffic lights in front of prompting car owner, if having monitoring, and the side that junction ahead should be advanced
To.However, will through traffic light intersection when, when car owner sees that green light will redirect as red light in reading the clock, possibly cannot
Judgement can pass through crossing before red light lights.If it is determined that inaccurate, then it is likely to result in and makes a dash across the red light or by car
The situation being parked in traffic light intersection occurs.
It should be noted that above the introduction of technical background is intended merely to the convenient technical scheme to the application carry out clear,
Complete explanation, and facilitate the understanding of those skilled in the art to illustrate.Can not be merely because these schemes be the application's
Background section is set forth and thinks that technique scheme is known to those skilled in the art.
Content of the invention
Whether the purpose of the embodiment of the present application is to provide a kind of phonetic prompt method and system, car owner can be pointed out can
It is smoothly through traffic light intersection.
For achieving the above object, the application one side provides a kind of phonetic prompt method, and methods described includes：Obtain in advance
The driving path of vehicle, described driving path includes at least one traffic light intersection；Obtain the current location of described vehicle, and
Determine the distance between described current location and the immediate traffic light intersection of vehicle front；When described distance reaches predeterminable range
During threshold value, calculate the minimum time by described predeterminable range threshold value；Calculated described minimum time is passed through voice
Form is reported.
Further, it is determined that described current location and the distance between the immediate traffic light intersection of vehicle front concrete bag
Include：The current location of described vehicle and vehicle front immediate traffic light intersection position is determined in described driving path；?
On described driving path, the path of described current location to described traffic light intersection position is defined as described current location
The distance between immediate traffic light intersection with vehicle front.
Further, calculate and specifically included by the minimum time of described predeterminable range threshold value：Obtain working as of described vehicle
Street information residing for front position, at least includes speed limit instruction in described street information；Specified according to described speed limit
High speed per hour and described predeterminable range threshold value, calculate the minimum time by described predeterminable range threshold value according to the following equation：
Wherein, t represents described minimum time, and s represents described predeterminable range threshold value, and v represents described F-Zero.
Further, calculated described minimum time is carried out report by the form of voice to specifically include：Obtain
The sound template pre-setting, described sound template includes temporal information note to be filled；Described minimum time is changed
For the time note that can play, and the time being converted to note is filled to described temporal information note, to generate voice
Information；Play described voice messaging.
Further, also include speed per hour information note to be filled in described sound template；Correspondingly, generate voice messaging
Step in also include：The F-Zero that described speed limit is specified is converted to playable speed per hour note, and will change
To speed per hour note fill to described speed per hour information note.
For achieving the above object, the present invention also provides a kind of speech prompting system, and described system includes：Driving path obtains
Unit, for obtaining the driving path of vehicle in advance, described driving path includes at least one traffic light intersection；Distance determines
Unit, for obtaining the current location of described vehicle, and determines described current location and vehicle front immediate traffic lights road
The distance between mouthful；Minimum time computing unit, for when described distance reaches predeterminable range threshold value, calculating by described pre-
If the minimum time of distance threshold；Voice broadcast unit, for the form by voice by calculated described minimum time
Reported.
Further, described distance determining unit specifically includes：Position determination module, for true in described driving path
The current location of fixed described vehicle and vehicle front immediate traffic light intersection position；Path determining module, for
On described driving path, the path of described current location to described traffic light intersection position is defined as described current location
The distance between immediate traffic light intersection with vehicle front.
Further, described minimum time computing unit specifically includes：Street information acquisition module, for obtaining described car
The street information residing for current location, at least include in described street information speed limit instruction；Computing module, for according to institute
State F-Zero and the described predeterminable range threshold value that speed limit is specified, calculate according to the following equation and pass through described predeterminable range threshold
The minimum time of value：
Wherein, t represents described minimum time, and s represents described predeterminable range threshold value, and v represents described F-Zero.
Further, described voice broadcast unit specifically includes：Sound template acquisition module, pre-sets for acquisition
Sound template, described sound template includes temporal information note to be filled；Time note fill module, for by described
The little time is converted to playable time note, and the time being converted to note is filled to described temporal information note,
To generate voice messaging；Playing module, for playing described voice messaging.
Further, also include speed per hour information note to be filled in described sound template；Correspondingly, described voice broadcast
Also include in unit：Speed per hour note fills module, and the F-Zero for specifying described speed limit is converted to playable
Speed per hour note, and the speed per hour being converted to note is filled to described speed per hour information note.
A kind of phonetic prompt method and system that the embodiment of the present application provides, can obtain the current driving path of vehicle,
And may determine that the distance of vehicle and front traffic light intersection.When described distance reaches the distance threshold pre-setting, permissible
Calculate by the minimum time needed for this distance threshold, then can with by calculated minimum time by voice in the form of broadcast
Offer car owner.Car owner passes through to observe the countdown of green light, such that it is able to judge whether to pass through this traffic light intersection,
Make a dash across the red light or car be parked in the situation at crossing to avoid the occurrence of.
With reference to explanation hereinafter and accompanying drawing, disclose in detail the particular implementation of the application, specify the former of the application
Reason can be in adopted mode.It should be understood that presently filed embodiment is not so limited in scope.In appended power
In the range of the spirit and terms that profit requires, presently filed embodiment includes many changes, modifications and is equal to.
The feature describing for a kind of embodiment and/or illustrating can be in same or similar mode one or more
Use in individual other embodiment, combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or assembly herein when using, but simultaneously
It is not excluded for the presence of one or more further features, one integral piece, step or assembly or additional.
Brief description
Included accompanying drawing is used for providing the embodiment of the present application is further understood from, and which constitutes of description
Point, for illustrating presently filed embodiment, and come together to explain the principle of the application with word description.It should be evident that under
Accompanying drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
On the premise of the property made is laborious, other accompanying drawings can also be obtained according to these accompanying drawings.In the accompanying drawings：
A kind of flow chart of phonetic prompt method that Fig. 1 provides for the embodiment of the present application；
A kind of functional block diagram of speech prompting system that Fig. 2 provides for the embodiment of the present application.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, real below in conjunction with the application
Apply the accompanying drawing in example, the enforcement it is clear that described is clearly and completely described to the technical scheme in the embodiment of the present application
Example is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common
All other embodiment that technical staff is obtained under the premise of not making creative work, all should belong to the application protection
Scope.
A kind of flow chart of phonetic prompt method that Fig. 1 provides for the embodiment of the present application.Although flow process is described below include
The multiple operations being occurred with particular order, but it should be clearly understood that these processes can include more or less of operation, this
A little operations can sequentially execute or executed in parallel (for example using parallel processor or multi-thread environment).As shown in figure 1, described side
Method can include：
Step S1：Obtain the driving path of vehicle in advance, described driving path includes at least one traffic light intersection.
In the present embodiment, vehicle can plan driving path in motion in advance, and described driving path can wrap
Include starting point and ending point.Between starting point and ending point, at least one traffic light intersection can be passed through.On described traveling road
In footpath, each traffic light intersection all can be considered as node to be detected.
In the present embodiment, described driving path may indicate that the current travel direction of vehicle.So, red green in detection
During lamp crossing, can only detect the traffic light intersection on vehicle heading.For the traffic light intersection having passed through, then not
With being monitored.
In the present embodiment, the driving path of vehicle can be obtained by calling the data of navigation software.Tool
Body ground, car owner, before travelling, can arrange this driving path by navigation software.The driving path of setting can preserve
In navigation software.So, by accessing the background data base of navigation software, this driving path can just be obtained.
Step S2：Obtain the current location of described vehicle, and determine that described current location and vehicle front are immediate red
The distance between green light crossing.
In the present embodiment, when vehicle travels, vehicle can be obtained by the built-in GPS module of terminal unit
Current location.Due to having determined that each traffic light intersection to be detected in driving path, so in vehicle travel process
In, the distance between current location and the immediate traffic light intersection of vehicle front can be determined in real time.
In the present embodiment, described distance can be straight line between current location and immediate traffic light intersection away from
From.But sometimes the path due to travelling is not necessarily straight line, and is likely to be bend.In this case, current location with
Air line distance between immediate traffic light intersection cannot truly reflect the distance of reality.Therefore, in the application one
In embodiment, when determining the distance between described current location and the immediate traffic light intersection of vehicle front, Ke Yi
The current location of described vehicle and vehicle front immediate traffic light intersection position is determined in described driving path.So, exist
Just the position of current location and immediate traffic light intersection can be marked in described driving path.As such, it is possible in described row
Sail, on path, the path of described current location to described traffic light intersection position is defined as described current location and vehicle
The distance between immediate traffic light intersection in front.The distance determined in this way just can truly reflect reality
Distance is such that it is able to convenient subsequently accurately calculated.
Step S3：When described distance reaches predeterminable range threshold value, calculate by described predeterminable range threshold value minimum when
Between.
In the present embodiment it is contemplated that apart from traffic light intersection farther out when, need not remind whether car owner can pass through
Crossing.Just need to be reminded typically only when close to traffic light intersection.In consideration of it, one can be pre-set apart from threshold
Value.This distance threshold can determine according to practical situation.For example described predeterminable range threshold value can be 50 meters.
In the present embodiment, can be with the distance between real-time monitoring current location and immediate traffic light intersection.When
When described distance reaches predeterminable range threshold value, just can calculate the minimum time by described predeterminable range threshold value.When this is minimum
Between can make reference to car owner, with judge can pass through this traffic light intersection.
Specifically, in the present embodiment, the F-Zero that may be limited due to different streets is also different.Therefore, exist
In present embodiment, the street information residing for the current location of described vehicle can be obtained, at least include in described street information
Speed limit indicates.Described speed limit instruction can limit the corresponding F-Zero of vehicle travelling on this street.So, according to described limit
F-Zero and described predeterminable range threshold value that speed is specified, can calculate according to the following equation by described predeterminable range threshold
The minimum time of value：
Wherein, t represents described minimum time, and s represents described predeterminable range threshold value, and v represents described F-Zero.
Step S4：Calculated described minimum time is reported by the form of voice.
In the present embodiment, after being calculated the minimum time by described predeterminable range threshold value, can will be somebody's turn to do
Minimum time is reported by the form of voice.So car owner just could be aware that currently pass through needed for this section minimum when
Between.So, the time of described minimum time and green light countdown is contrasted, whether car owner just can clearly know currently
Enough pass through this traffic light intersection.
Specifically, in the present embodiment, the sound template pre-setting can be obtained.Described sound template can be by many
Individual note is constituted, and in these notes, represents that the note of minimum time can be temporal information note to be filled.So,
After being calculated minimum time, described minimum time can be converted to playable time note.Then can will turn
The time note got in return is filled to described temporal information note, to generate voice messaging.Wherein, minimum time is converted to
Playable time note can adopt phoneme recognition technology, and described minimum time is converted to corresponding aligned phoneme sequence.For example,
" 4 seconds " can be converted to " simiao " such aligned phoneme sequence.Then by filling this aligned phoneme sequence to temporal information note
In, just can generate voice messaging.
In a specific example, the corresponding text of described sound template for example can be for " being needed by this crossing
Want ### ", wherein " ### " then can represent temporal information note to be filled.So, " 4 seconds " are filled to described sound template
Corresponding position, just can generate text be " by this crossing need 4 seconds " voice messaging.Generate voice messaging it
Afterwards, this voice messaging can just be play.
In the present embodiment, when playing voice messaging, the corresponding F-Zero of described minimum time can also be reminded.
So, described sound template can also include speed per hour information note to be filled.So, in the step generating voice messaging
In also include：The F-Zero that described speed limit is specified is converted to playable speed per hour note, and by be converted to when
Fast note is filled to described speed per hour information note.
For example, described sound template can be " needing ### by this crossing with the speed of * * * ", and wherein, " * * * " is permissible
Represent speed per hour information note to be filled, " ### " can represent temporal information note to be filled.So it is assumed that F-Zero
For 60 kilometers per hour, minimum time is 4 seconds, is " to pass through this road with 60 kilometers of speed hourly such that it is able to be generated as this
The voice messaging of mouth needs 4 seconds ".
The application also provides a kind of speech prompting system.Refer to Fig. 2, described system can include：
Driving path acquiring unit 100, for obtaining the driving path of vehicle in advance, described driving path includes at least one
Traffic light intersection；
Distance determining unit 200, for obtaining the current location of described vehicle, and determines described current location with vehicle front
The distance between close traffic light intersection；
Minimum time computing unit 300, for when described distance reaches predeterminable range threshold value, calculating and passing through described predeterminable range
The minimum time of threshold value；
Voice broadcast unit 400, for being reported calculated described minimum time by the form of voice.
In one embodiment of the application, described distance determining unit 200 specifically includes：
Position determination module, for determining that in described driving path the current location of described vehicle and vehicle front are immediate
Traffic light intersection position；
Path determining module, on described driving path by described current location to described traffic light intersection position
Path is defined as the distance between described current location and the immediate traffic light intersection of vehicle front.
In one embodiment of the application, described minimum time computing unit 300 specifically includes：
Street information acquisition module, for obtaining the street information residing for the current location of described vehicle, in described street information
At least include speed limit instruction；
Computing module, for the F-Zero specified according to described speed limit and described predeterminable range threshold value, according to following public affairs
Formula calculates the minimum time by described predeterminable range threshold value：
Wherein, t represents described minimum time, and s represents described predeterminable range threshold value, and v represents described F-Zero.
In one embodiment of the application, described voice broadcast unit 400 specifically includes：
Sound template acquisition module, for obtaining the sound template that pre-sets, when described sound template includes to be filled
Between information note；
Time note fills module, for described minimum time is converted to playable time note, and will be converted to
Time note is filled to described temporal information note, to generate voice messaging；
Playing module, for playing described voice messaging.
In one embodiment of the application, in described sound template, also include speed per hour information note to be filled；Accordingly
Ground, also includes in described voice broadcast unit 400：
Speed per hour note fills module, and the F-Zero for specifying described speed limit is converted to playable speed per hour note,
And fill the speed per hour being converted to note to described speed per hour information note.
It should be noted that the specific implementation of each functional module above-mentioned and computing formula all with step S1 to S4 in
Description consistent, just repeat no more here.
A kind of phonetic prompt method and system that the embodiment of the present application provides, can obtain the current driving path of vehicle,
And may determine that the distance of vehicle and front traffic light intersection.When described distance reaches the distance threshold pre-setting, permissible
Calculate by the minimum time needed for this distance threshold, then can with by calculated minimum time by voice in the form of broadcast
Offer car owner.Car owner passes through to observe the countdown of green light, such that it is able to judge whether to pass through this traffic light intersection,
Make a dash across the red light or car be parked in the situation at crossing to avoid the occurrence of.
Description to the various embodiments of the application is supplied to those skilled in the art with the purpose describing above.It is not
Be intended to exhaustion or be not intended to limit the invention to single disclosed embodiment.As described above, the application's is various
Substitute and change will be apparent from for above-mentioned technology one of ordinary skill in the art.Therefore although specifically begging for
Discuss the embodiment of some alternatives, but other embodiment will be apparent from, or those skilled in the art are relatively
Easily draw.The application is intended to be included in this all replacement of the present invention having discussed, modification and change, and falls
Other embodiment in the spirit and scope of above-mentioned application.
Claims (10)
1. a kind of phonetic prompt method is it is characterised in that include：
Obtain the driving path of vehicle in advance, described driving path includes at least one traffic light intersection；
Obtain the current location of described vehicle, and determine between described current location and the immediate traffic light intersection of vehicle front
Distance；
When described distance reaches predeterminable range threshold value, calculate the minimum time by described predeterminable range threshold value；
Calculated described minimum time is reported by the form of voice.
2. method according to claim 1 is it is characterised in that determine that described current location is immediate with vehicle front red
The distance between green light crossing specifically includes：
The current location of described vehicle and vehicle front immediate traffic light intersection position is determined in described driving path；
The path of described current location to described traffic light intersection position is defined as described working as by described driving path
The distance between front position and the immediate traffic light intersection of vehicle front.
3. method according to claim 1 is it is characterised in that calculate the minimum time tool by described predeterminable range threshold value
Body includes：
Obtain the street information residing for the current location of described vehicle, in described street information, at least include speed limit instruction；
The F-Zero specified according to described speed limit and described predeterminable range threshold value, calculate according to the following equation by described
The minimum time of predeterminable range threshold value：
Wherein, t represents described minimum time, and s represents described predeterminable range threshold value, and v represents described F-Zero.
4. method according to claim 3 it is characterised in that by calculated described minimum time the shape by voice
Formula carries out report and specifically includes：
Obtain the sound template pre-setting, described sound template includes temporal information note to be filled；
Described minimum time is converted to playable time note, and the time being converted to note was filled to the described time
In information note, to generate voice messaging；
Play described voice messaging.
5. method according to claim 4 is it is characterised in that also include speed per hour information to be filled in described sound template
Note；Correspondingly, also include in the step generating voice messaging：
The F-Zero that described speed limit is specified is converted to playable speed per hour note, and by the speed per hour being converted to note
Fill to described speed per hour information note.
6. a kind of speech prompting system is it is characterised in that described system includes：
Driving path acquiring unit, for obtaining the driving path of vehicle in advance, it is red that described driving path includes at least one
Green light crossing；
Distance determining unit, for obtaining the current location of described vehicle, and determines that described current location and vehicle front connect most
The distance between near traffic light intersection；
Minimum time computing unit, for when described distance reaches predeterminable range threshold value, calculating and passing through described predeterminable range threshold
The minimum time of value；
Voice broadcast unit, for being reported calculated described minimum time by the form of voice.
7. system according to claim 6 is it is characterised in that described distance determining unit specifically includes：
Position determination module, for determining that in described driving path the current location of described vehicle and vehicle front are immediate
Traffic light intersection position；
Path determining module, on described driving path by described current location to described traffic light intersection position
Path is defined as the distance between described current location and the immediate traffic light intersection of vehicle front.
8. system according to claim 6 is it is characterised in that described minimum time computing unit specifically includes：
Street information acquisition module, for obtaining the street information residing for the current location of described vehicle, in described street information
At least include speed limit instruction；
Computing module, for the F-Zero specified according to described speed limit and described predeterminable range threshold value, according to following public affairs
Formula calculates the minimum time by described predeterminable range threshold value：
Wherein, t represents described minimum time, and s represents described predeterminable range threshold value, and v represents described F-Zero.
9. system according to claim 8 is it is characterised in that described voice broadcast unit specifically includes：
Sound template acquisition module, for obtaining the sound template that pre-sets, when described sound template includes to be filled
Between information note；
Time note fills module, for described minimum time is converted to playable time note, and will be converted to
Time note is filled to described temporal information note, to generate voice messaging；
Playing module, for playing described voice messaging.
10. system according to claim 9 is it is characterised in that also include speed per hour letter to be filled in described sound template
Breath note；Correspondingly, also include in described voice broadcast unit：
Speed per hour note fills module, and the F-Zero for specifying described speed limit is converted to playable speed per hour note,
And fill the speed per hour being converted to note to described speed per hour information note.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780689.3A CN106403975A (en) | 2016-08-31 | 2016-08-31 | Voice prompting method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780689.3A CN106403975A (en) | 2016-08-31 | 2016-08-31 | Voice prompting method and system |
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| CN106403975A true CN106403975A (en) | 2017-02-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867088A (en) * | 2019-11-21 | 2020-03-06 | 宝能汽车有限公司 | Method and device for acquiring signal lamp state |
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2016
- 2016-08-31 CN CN201610780689.3A patent/CN106403975A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867088A (en) * | 2019-11-21 | 2020-03-06 | 宝能汽车有限公司 | Method and device for acquiring signal lamp state |
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Application publication date: 20170215 |