CN101158584A - Voice destination navigation realizing method of vehicle mounted GPS - Google Patents
Voice destination navigation realizing method of vehicle mounted GPS Download PDFInfo
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Abstract
The invention discloses a navigation realization method of the voice destination of a vehicle GPS and can realize an automatic navigation aim of a navigation system during driving the vehicle only through sending out a voice command by means of adding an exchanging system of names of places and a voice identification module to an original navigation system. The invention emancipates hands of drivers and greatly facilitates the operation of the drivers.
Description
Technical field
The present invention relates to a kind of vehicle GPS technology, especially a kind of phonetic navigation method, specifically a kind of voice destination navigation implementation method of vehicle GPS.
Background technology
Current, because the relieving and the development of civilian GPS technology, the GPS technology has had and more and more has been used for civilian location and navigation application. current in-vehicle navigation apparatus in a large number, they can indicate current position comparatively accurately, and, greatly facilitate the driver according to road conditions demonstration route and Voice Navigation.
But these traditional navigator but be difficult to solve interaction problems, and the driver has to look for a place to be stopped for a purpose navigation ground is set, and with the hand input with search destination locations, this makes the convenience of destination navigation make a discount.
Therefore, invent a kind of driver of making and need not stop and can realize the destination Voice Navigation easily, the practicality and the ease for use of enhanced navigation are the task of top priority greatly.
Summary of the invention
The objective of the invention is the inconvenience that needs the driver to stop and set and bring at existing vehicle GPS speech guide system, invent a kind of method of destination voice as leading of utilizing voice to control to realize.
Technical scheme of the present invention is:
A kind of voice destination navigation implementation method of vehicle GPS is characterized in that it may further comprise the steps:
At first, in vehicle mounted GPS guidance system, increase by a speech recognition equipment, this device comprises microphone and voice conversion module, and voice conversion module is responsible for converting the voice signal that microphone is received to voice signal that vehicle mounted GPS guidance system can discern and is become the voice prompt tone with the affirmation information translation that vehicle mounted GPS guidance system is sent;
Secondly, in vehicle mounted GPS guidance system, increase by a place name converting system, the destination that this place name converting system promptly earlier the user being needed to be responsible for converts the voice information of place names that vehicle mounted GPS guidance system can be discerned to, need not in the use to import once more and can directly call the destination information of place names that sets in advance;
The 3rd, after the user gives expression to the destination with voice, be sent in the voice conversion module by microphone, voice conversion module converts thereof into the voice information of place names that vehicle mounted GPS guidance system can be discerned, and with compare by the predefined voice information of place names of place name converting system, if can not find the place name that is complementary then remind the user to utilize the place name converting system to carry out destination setting earlier, require the user to carry out voice to confirm if find the place name that is complementary then quote destination place name and relevant information thereof by speech recognition equipment immediately, it is then to enter Voice Navigation automatically that the user answered in the time of setting, if the user does not answer in the time of setting or answers not, then the system alert user says the destination place name once more or stops navigation.
The method that described place name converting system is obtained information of place names comprise the user in the vehicle GPS system from primary input or the name and obtain information of place names with network or way of short messages of selecting your destination by service centre, vehicle GPS is set up the navigation data that is complementary with this place name automatically.
Described place name converting system at first by calling the relevant interface that the place name converting system provides, is saved in form and the destination locations information of destination with another name in the file system, finishes and collects and the another name of record purpose place name and the position of correspondence; Secondly when speech recognition equipment starts, speech recognition equipment obtains another name in the place name converting system by interface, these are called as base of recognition, but so that provide identifying information to speech recognition equipment; After last speech recognition equipment obtains recognition result, pass to the place name converting system by the interface of place name converting system, after the place name converting system is received data, in the address information of having preserved, retrieve, and the address information that retrieves passed to the GPS navigation system, the beginning destination navigation.
The effect of place name converting system of the present invention is:
1, collects and writes down the another name and the corresponding position of purpose place name.Collection process is finished by GPS navigation engine, service centre or third party software.
But 2, provide identifying information, improve the accuracy rate of identification to speech recognition equipment.
3, receive the recognition result of speech recognition equipment, and provide map location to do the destination address of navigation to the GPS navigation engine by converting system.
1. speech recognition technology is used for voice collection and identification
This is a kind of technology that voice messaging is converted to Word message, it gathers sound by microphone is analog electrical signal, is converted to the voice data of PCM form through A/D, by the analysis to voice data, find best text matches, reach the effect of speech recognition.
2. voice enter for technology, are used for carrying out interactive voice with the operator
This is a kind of technology that text message is converted to voice messaging, it at first analyzes retrieval to Word message, voice to each literal correspondence synthesize sentence then, be converted to analog information through D/A then, play by loudspeaker again. by this technology, can carry out information feedback to the user by voice.
3.GPS navigational system receives recognition result, and destination navigation
The GPS navigation system is the system that positions by gps satellite and carry out destination navigation, it is by receiving gps satellite signal, by calculating the longitude and latitude of current position, information contrast with map in this and the system, give the detailed positional information of user, and can carry out the navigation of destination the user.
Beneficial effect of the present invention:
With speech recognition technology, voice enter for technology and the GPS navigation technological incorporation is arrived together by the present invention, and have successfully solved the recognition accuracy and the identification validity problem of voice destination navigation, have very big practicality and ease for use for the automobile navigation product.
Description of drawings
Fig. 1 realizes software configuration synoptic diagram of the present invention.
Fig. 2 is an adding purpose place name schematic flow sheet of the present invention.
Fig. 3 is a navigation software process flow diagram of the present invention.
Fig. 4 is a Voice Navigation schematic flow sheet of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Shown in Fig. 1-4.
A kind of voice destination navigation implementation method of vehicle GPS, it may further comprise the steps:
At first, in vehicle mounted GPS guidance system, increase by a speech recognition equipment, this device comprises microphone and voice conversion module, and voice conversion module is responsible for converting the voice signal that microphone is received to voice signal that vehicle mounted GPS guidance system can discern and is become the voice prompt tone with the affirmation information translation that vehicle mounted GPS guidance system is sent; Speech recognition system among suitable Fig. 1.
Secondly, in vehicle mounted GPS guidance system, increase by a place name converting system, the destination that this place name converting system promptly earlier the user being needed to be responsible for converts the voice information of place names that vehicle mounted GPS guidance system can be discerned to, need not in the use to import once more and can directly call the destination information of place names that sets in advance; Be equivalent in existing gps system, increase the place name converting system shown in a Fig. 1.
The 3rd, after the user gives expression to the destination with voice, be sent in the voice conversion module by microphone, voice conversion module converts thereof into the voice information of place names that vehicle mounted GPS guidance system can be discerned, and with compare by the predefined voice information of place names of place name converting system, if can not find the place name that is complementary then remind the user to utilize the place name converting system to carry out destination setting earlier, require the user to carry out voice to confirm if find the place name that is complementary then quote destination place name and relevant information thereof by speech recognition equipment immediately, it is then to enter Voice Navigation automatically that the user answered in the time of setting, if the user does not answer in the time of setting or answers not, then the system alert user says the destination place name once more or stops navigation, is equivalent to the speech guide system among Fig. 1.
Entire work process as shown in Figure 3.
One of key of the present invention is to have added the place name converting system in speech recognition system and speech guide system, and added flexibly user's control method and gone to control the place name converting system, allow the result of Voice Navigation among the control that is in the user, avoided since the map information of place names too much and place name repeat and call and the unmanageable problem of navigation results that causes such as influence, improved the practicality of Voice Navigation.Its interpolation process as shown in Figure 2.
Whole Voice Navigation flow process as shown in Figure 4.
The course of work of place name converting system:
1, collects and writes down the another name and the corresponding position of purpose place name.
By calling the relevant interface that the place name converting system provides, destination another name and destination locations information are saved in the file system.
But 2, provide identifying information to speech recognition equipment.
When speech recognition equipment started, speech recognition equipment obtained another name in the place name converting system by interface, with these another names as base of recognition.
3, receive the recognition result of speech recognition equipment, and provide map location to do the destination address of navigation to the GPS navigation engine by the place name converting system.
After speech recognition equipment obtains recognition result, pass to the place name converting system by the interface of place name converting system, after the place name converting system is received data, in the address information of having preserved, retrieve, and address breath passed to the GPS navigation system, the beginning destination navigation.
Fig. 1 is a voice destination navigation software architecture diagram of the present invention, has wherein clearly shown the effect of place name converting system in the speech recognition place name.
The user is another gordian technique of the present invention to user's control of place name converting system, provides multiple mode to add the voice information of place names to the place name converting system by it, and it comprises:
1, the user independently adds
This is a kind of mode of using always, and the user after map is selected wherein certain some position, allows the user from primary input or select the navigation name of this point after opening the GPS navigation map, then information is added to the place name converting system, makes it become effective recognition.
2, service centre adds
This is to be selected by service centre by the user, by network or short message mode, adds navigation information to the place name converting system automatically, makes it become effective recognition.
3, other modes
Except preceding dual mode, system also opens software interface to the external world, makes the third party can add navigation information.
Below be further described by an enforcement:
One, hardware comprises:
1.GSM phone, existing voice enter for and the speech recognition support in the system;
2.WINCE handheld device, the existing common GPS navigation software of system is supported;
3. phone and handheld device use serial ports to carry out communication;
Two, detailed process
At first, add speech recognition program in the GSM telephony side, this program realizes the place name speech recognition, and can obtain effective place name of place name converting system by serial ports and handheld device communication.
Secondly, revise the SMS module of GSM phone, allow to receive information of place names note and hull bottom and give speech recognition program.
The 3rd, on handheld device, add the place name modular converter, this module can be carried out the mutual of information of place names by serial communication and GSM phone simultaneously.
The 4th, revise GPS digital map navigation software, make it can receive specific address information, and add the function of choosing recognizing site and editor's identification name on the map.
Specific operation process is:
1, adds the navigation place name on the map voluntarily
The user has opened the map software on the handheld device, finds own home's position on map, and he chooses the dialog box that the input name is ejected in the back, and he has imported " going home ", and after the affirmation, prompting is preserved successfully.
2, Voice Navigation
The user strange place of having driven some day, he need go home, but it is nearest which bar road he does not know from, so he supresses the Voice Navigation button, system voice prompting " please say place name ", he answers " going home ", is system prompt " gone home "? " Yes or No ", he answers " Yes " afterwards, and navigation software is made as the destination position of user's setting " going home " automatically, the beginning Voice Navigation.
3, service centre supports
Some day, the user need arrive unfamiliar place " the People's Hospital ", he does not also know specifically at which, so having made a call, he gives service centre, after the attendant of the service centre inquiry, service center system has been sent out the bar note to him, receive note after a while after, voice suggestion " added identification place name: the People's Hospital ", at this moment, he presses navigation keys, and navigational system can receive " the People's Hospital " to destination navigation.
Circuit that the present invention does not relate to or device can be realized by prior art or relevant software as speech recognition equipment, place name converting system.
Fig. 4 is a kind of Voice Navigation schematic flow sheet that utilizes the technology of the present invention to realize.
Claims (3)
1. the voice destination navigation implementation method of a vehicle GPS is characterized in that it may further comprise the steps:
At first, in vehicle mounted GPS guidance system, increase by a speech recognition equipment, this device comprises microphone and voice conversion module, and voice conversion module is responsible for converting the voice signal that microphone is received to voice signal that vehicle mounted GPS guidance system can discern and is become the voice prompt tone with the affirmation information translation that vehicle mounted GPS guidance system is sent;
Secondly, in vehicle mounted GPS guidance system, increase by a place name converting system, the destination that this place name converting system promptly earlier the user being needed to be responsible for converts the voice information of place names that vehicle mounted GPS guidance system can be discerned to, need not in the use to import once more and can directly call the destination information of place names that sets in advance;
The 3rd, after the user gives expression to the destination with voice, be sent in the voice conversion module by microphone, voice conversion module converts thereof into the voice information of place names that vehicle mounted GPS guidance system can be discerned, and with compare by the predefined voice information of place names of place name converting system, if can not find the place name that is complementary then remind the user to utilize the place name converting system to carry out destination setting earlier, require the user to carry out voice to confirm if find the place name that is complementary then quote destination place name and relevant information thereof by speech recognition equipment immediately, it is then to enter Voice Navigation automatically that the user answered in the time of setting, if the user does not answer in the time of setting or answers not, then the system alert user says the destination place name once more or stops navigation.
2. the voice destination navigation implementation method of vehicle GPS according to claim 1, it is characterized in that method that described place name converting system is obtained information of place names comprise the user in the vehicle GPS system from primary input or the name and obtain information of place names with network or way of short messages of selecting your destination by service centre, vehicle GPS is set up the navigation data that is complementary with this place name automatically.
3. the voice destination navigation implementation method of vehicle GPS according to claim 2, it is characterized in that described place name converting system is at first by calling the relevant interface that the place name converting system provides, form and the destination locations information of destination with another name is saved in the file system, finishes and collect and the another name of record purpose place name and the position of correspondence; Secondly when speech recognition equipment starts, speech recognition equipment obtains another name in the place name converting system by interface, these are called as base of recognition, but so that provide identifying information to speech recognition equipment; After last speech recognition equipment obtains recognition result, pass to the place name converting system by the interface of place name converting system, after the place name converting system is received data, in the address information of having preserved, retrieve, and the address information that retrieves passed to the GPS navigation system, the beginning destination navigation.
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| CN2007101352718A CN101158584B (en) | 2007-11-15 | 2007-11-15 | Voice destination navigation realizing method of vehicle mounted GPS |
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| CN2007101352718A CN101158584B (en) | 2007-11-15 | 2007-11-15 | Voice destination navigation realizing method of vehicle mounted GPS |
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