CN102607585A - Configuration-file-based navigation voice broadcasting method and device - Google Patents
Configuration-file-based navigation voice broadcasting method and device Download PDFInfo
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Abstract
The invention discloses a configuration-file-based navigation voice broadcasting method, which is characterized by comprising the following steps of: 1, extracting guide elements from a guide statement as keywords to form a keyword list; 2, analyzing the forms of various road junctions to obtain different statement templates for different forms of the road junctions; 3, writing the statement templates and the keyword list into a configuration file; 4, analyzing the form of a road junction in real time by using global positioning system (GPS) positioning information, and searching for a statement template corresponding to the form of the road junction from the configuration file; and 5, filling the keyword corresponding to the form of the road junction into the found statement template according to the GPS positioning information, thereby forming a voice command.
Description
Technical field
The invention belongs to field of navigation technology, relate in particular to a kind of navigation speech broadcasting method and device based on configuration file.
Background technology
Vehicle mounted guidance software can provide " phonetic order " to come driver instructor to advance along correct route." phonetic order " at first refers to a string character string, perhaps is passage.Class as " the place ahead bends to right for 500 meters, sails the North 2nd Ring Road into " such literal.It can be text conversion a sound through other follow-up voice module.Having application number in the prior art is 20091008587,0; Denomination of invention is the one Chinese patent application of " method of Voice Navigation and device in the navigation of electronic map system "; It provides the method and the device of Voice Navigation in a kind of navigation of electronic map system, and this method comprises: the phonetic and the phonetic tone of character in the information of voice prompt are stored in the text in the navigation of electronic map system; According to the guidance path that this navigation of electronic map system generates, determine required information of voice prompt; Obtain the phonetic that is stored in text character corresponding and phonetic tone,, information of voice prompt is exported through the mode of voice output according to the phonetic and the phonetic tone of character with this information of voice prompt.Phonetic and phonetic tone through with information of voice prompt in the navigation of electronic map system are stored in the text; Thereby reduced the shared storage space of information of voice prompt, made the navigation of electronic map system to carry out voice suggestion and guiding the point of interest of millions of meter.Yet how the scheme emphasis of prior art is " phonetic order " text-converted sound solving all, rather than pays close attention to the generation of " phonetic order " text.Because complicacy, the diversity of road form, different crossings need provide different " phonetic order " instructions.And these " phonetic orders " that generate to different crossings by the navigation software algorithm; Can seem dull, mechanical stiff; Be difficult to adapt to the custom of different regions, dialect or country variant language; Be difficult to adapt to the variation of different crossings key instruction, and make that the generating algorithm of " phonetic order " is extremely complicated.
Before in our the used technical scheme: the crossing form is analyzed on the limit in program, limit assembling " phonetic order ", and it is just fixing that program generates its exportable " phonetic order " of back, can't do change again by customer requirements, also can't be configured for multilingual.Each change " phonetic order " must be revised complicated program code, regenerates program again.
Summary of the invention
In view of the defective of prior art, the present invention provides a kind of navigation speech broadcasting method based on configuration file, it is characterized in that comprising the steps:
Guiding key element in step 1, the extraction boot statement forms lists of keywords as key word;
The form at step 2, the various different crossings of analysis obtains the different statement templates to different crossings form;
Step 3, said statement template and said lists of keywords are write in the configuration file;
Step 4, through GPS locating information real-time analysis crossing form, search the statement template of corresponding crossing form in the configuration file;
Step 5, be filled in the statement template that is found, thereby form phonetic order according to the keyword of GPS locating information with corresponding crossing form.
Further; Navigation speech broadcasting method based on configuration file of the present invention; In the guiding key element extracted be applicable to the different language environment, for the different language environment, can be through writing the phonetic order that different statement template configuration files produces the different language environment.
In addition, the present invention also provides a kind of navigation speech broadcast device based on configuration file, it is characterized in that comprising like lower module:
The guiding key element that is used for extracting boot statement forms the module of lists of keywords as key word;
Be used to analyze the form at various different crossings, obtain module to the different statement templates of different crossings form;
Be used for said statement template and said lists of keywords are write the module of configuration file;
Be used for searching the module of the statement template of corresponding crossing form in the configuration file through GPS locating information real-time analysis crossing form;
Be used for the keyword of corresponding crossing form being filled into the statement template that is found, thereby form the module of phonetic order according to the GPS locating information.
Further; The guiding key element of being extracted in the navigation speech broadcast device based on configuration file of the present invention is applicable to the different language environment; For the different language environment, can be through writing the phonetic order that different statement template configuration files produces the different language environment.
The present invention is based on the solution of configuration file, can solve navigation speech instruction dullness, mechanical stiff efficiently, be difficult to adapt to the custom of different regions, dialect or country variant language, be difficult to adapt to the diversified problem of different crossings key instruction.Easy configuration property through configuration file; Revise configuration file fast; Can adjust abundant phonetic order; Can adapt to " phonetic order " of country variant, dialect configuration traveling guidance, can conveniently increase " phonetic order " kind, kind has been enriched " phonetic order " that configuration comes out just can be more humane.
Description of drawings
Fig. 1 is the realization flow figure that the present invention is based on the navigation speech broadcasting method of configuration file;
Embodiment
For making above-mentioned purpose of the present invention, feature and advantage more obviously understandable, the present invention is done further detailed explanation below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the realization flow figure that the present invention is based on the navigation speech broadcasting method of configuration file; As shown in Figure 1, the navigation speech broadcasting method that the present invention is based on configuration file comprises the steps:
Guiding key element in step 1, the extraction boot statement forms lists of keywords as key word;
" guiding key element " is as " word " in the extraction boot statement.For example " the place ahead [300 meters] to [left-hand bend/right-hand bend], sail [North 2nd Ring Road/South 3rd Ring Road/abundant Cheng Lu/Chang'an street] through [rotary island] into." wherein part is extracted as " word " between []; be key word keyword of class " word " definition; that statement so just can be expressed as: " the place ahead [keyword_distance] to [keyword_turn], sails [keyword_roadname] through [keyword_type] into." the most important thing is here to separate " guiding key element " with language environment; if using English guiding instead, the statement for example can become [keyword_distance] ahead [keyword_turn] intothe [keyword_roadname]. " and then get this this key word formation Keyword List, as: [keyword_turn] can be " left-hand rotation " " right-hand rotation " " revolution " " left front turning ".
The form at step 2, the various different crossings of analysis obtains the different statement templates to different crossings form;
Analyze the form at various different crossings, obtain different statement templates.For example: obtain a template as " [right side/left side] [outlet/inlet] [rolling away from/sail into] [main road/bypass] walked in the place ahead for the crossing type that goes out main road."; Obtain another template as " the place ahead [300 meters] are located to [right-hand rotation/left-hand rotation], and then [right-hand rotation/left-hand rotation] sailed [so-and-so road] into for two continuous crossings.”。Can analyze the form at tens kinds of crossings thus, obtain tens kinds of statement templates.
Increased the disaggregated classification of some templates:
For example to same crossing, " the place ahead [keyword_distance] to [keyword_turn], sails [keyword_roadname] through [keyword_type] into to use template the time far away apart from the crossing." " [keyword_turn] sails [keyword_roadname] into to use brief statement when driving to the crossing.", the segmentation template can be more humane.When near apart from the crossing, prompting distance is nonsensical, and if the final voice that generate are oversize can incur loss through delay to fall best report opportunity.For example to special outlet configuration special template on the through street, shape is as " the place ahead [keyword_distance] second outlet is kept right and rolled away from, sails [keyword_roadname] into.”
Step 3, said statement template and said lists of keywords are write in the configuration file;
Top set by step one, step 2 the statement template and the lists of keywords that obtain write in the configuration file.When Navigator moves, through real-time analysis crossing form, search statement template corresponding in the configuration file, the key word in the filling template can obtain " phonetic order ".Can accomplish through writing different template configuration files for different language, remove the modification application program from.
Step 4, through GPS locating information real-time analysis crossing form, search the statement template of corresponding crossing form in the configuration file;
In this step, the GPS locating information is corresponding with map datum, confirm that vehicle is positioned on certain bar road, finds follow-up crossing along Planned Route.
Take out the map datum at follow-up crossing,, confirm that this crossing meets certain model in " the statement template " of step 2 output, chooses a certain statement according to distance and road name information from the crossing according to crossing shape and attribute information analysis.
Step 5, be filled in the statement template that is found, thereby form phonetic order according to the keyword of GPS locating information with corresponding crossing form.
In this step, take out the keyword in the statement, for example " [keyword_turn] sails [keyword_roadname] into to statement." in, take out " [keyword_turn] ", according to the crossing direction information of analyzing in the step 4; generate the lists of keywords in the configuration file in the finding step one; table 1 promptly, for example find " left-hand rotation ", replace to the road name " so-and-so road " after the turning to " [keyword_roadname] "; promptly exportable " left-hand rotation, sail into so-and-so road ".The configuration file that generates in the step 1 has been controlled the generation of final phonetic order.
The present invention at first analyzes " phonetic order " that be used for guiding has for which characteristic, and which its guiding will have.Extract these key elements then as key word, form grammatical statement; The degree of lip-rounding of satisfying the need again attitude is classified, and every type of crossing form is the independently grammatical statement of correspondence all, and all grammatical statements converge into configuration file.Read " grammatical configuration file " by programmed algorithm at last its parsing is filled a vacancy, " phonetic order " of synthetic complete smoothness.The readability of configuration file, be prone to revise characteristic, determined high-adaptability of the present invention, configurability has solved the problem that " phonetic order " adapts to the custom of different regions, dialect or country variant language; Each type crossing indication is expressed with different grammatical statements, solved the problem that " phonetic order " is dull, machinery is stiff, make and express variation, hommization.
" phonetic order " as referred to herein generates, and only refers to the generation of this section literal, do not comprise the conversion of literal to sound.Prior art is not carried out analytic induction to " guiding key element " in the guiding voice, sums up the syntax, so have no idea to come collocation method through configuration file, also the hommization with regard to illegal reaching " phonetic order " reaches easy configuration property.The present invention sums up the syntax through earlier " guiding key element " in " phonetic order " being carried out analytic induction, writes the syntax in the grammatical configuration file then.Through changing easily and enriching grammatical configuration file, can reach the hommization of " phonetic order " and be prone to configuration.In addition; The prior art degree of lip-rounding attitude of not satisfying the need is carried out sorted generalization, does not use the different syntax to go to generate " phonetic order " to each type, so general prompting " left-hand rotation " " right-hand rotation " is used at most crossings; Suggestion content is simply stiff like this, and " phonetic order " kind is abundant inadequately.The present invention carries out sorted generalization through the degree of lip-rounding attitude of satisfying the need; Every type of crossing form is generated " phonetic order " method of different hommizations; Easily the multiple syntax are configured in the configuration file by top 1 middle configuration file, reach " phonetic order " that generate the abundant hommization of kind fast.Because crossing form kind is very many, can increase abundant " phonetic order " fast through revising configuration file.
What we developed completion is the digital map navigation product, and the main guiding principle during product work is:
1, GPS receives customer position information, relates to the GPS module
2, matched position in map datum and planning route well, the crossing of finding the user to arrive relates to the location matches module.
3, generate " phonetic order " module of guiding.
3.1 data analysis crossing form is according to the map taken out crossing morphotype Type, analyzes the crossing and information TurnInfo such as turns to.
3.2 according to crossing morphotype Type, read the template configuration file, search the statement template Template of corresponding morphotype Type.
3.3 according to crossing shape information TurnInfo content, and statement template Template, filling template generates " statement instruction ".
4, utilize text to the sound modular converter, " phonetic order " come out through sound playing, relate to the speech play module.
More than be the main modular relevant with the present invention, 3.1,3.2,3.3 three sub-module of core wherein of the present invention in the 3rd module.
Also have other module, be connected with the present invention less, like modules such as map demonstrations.Do not describe in detail at this.
Key of the present invention is to use a kind of method based on configuration file to realize that program guide command is to the conversion based on the natural language speech instruction; It all is directly to come directly to generate the natural language output of guiding through program that the navigation speech that industry is current is reported scheme; Certainly will when adaptive different language and navigation demand, need higher customization cost like this; The present invention has then designed a kind of natural language speech method for transformation based on configuration file; This design key is: by the dictionary of key definition phonetic representation, by the syntactic structure of statement template definition phonetic representation, realized the automatic generation of voice configurationizations in this way.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can specific embodiments of the invention make amendment or the part technical characterictic is equal to replacement; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (4)
1. the navigation speech broadcasting method based on configuration file is characterized in that comprising the steps:
Guiding key element in step 1, the extraction boot statement forms lists of keywords as key word;
The form at step 2, the various different crossings of analysis obtains the different statement templates to different crossings form;
Step 3, said statement template and said lists of keywords are write in the configuration file;
Step 4, through GPS locating information real-time analysis crossing form, search the statement template of corresponding crossing form in the configuration file;
Step 5, be filled in the statement template that is found, thereby form phonetic order according to the keyword of GPS locating information with corresponding crossing form.
2. the navigation speech broadcasting method based on configuration file according to claim 1; The guiding key element that it is characterized in that in the step 1 being extracted is applicable to the different language environment; For the different language environment, can be through writing the phonetic order that different statement template configuration files produces the different language environment.
3. navigation speech broadcast device based on configuration file is characterized in that comprising like lower module:
The guiding key element that is used for extracting boot statement forms the module of lists of keywords as key word;
Be used to analyze the form at various different crossings, obtain module to the different statement templates of different crossings form;
Be used for said statement template and said lists of keywords are write the module of configuration file;
Be used for searching the module of the statement template of corresponding crossing form in the configuration file through GPS locating information real-time analysis crossing form;
Be used for the keyword of corresponding crossing form being filled into the statement template that is found, thereby form the module of phonetic order according to the GPS locating information.
4. the navigation speech broadcast device based on configuration file according to claim 3; It is characterized in that the guiding key element of being extracted is applicable to the different language environment; For the different language environment, can be through writing the phonetic order that different statement template configuration files produces the different language environment.
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| CN103884347A (en) * | 2012-12-21 | 2014-06-25 | 北京图盟科技有限公司 | Navigation guidance method and apparatus |
| CN104197946A (en) * | 2014-09-04 | 2014-12-10 | 百度在线网络技术（北京）有限公司 | Voice navigation method, device and system |
| CN107393530A (en) * | 2017-07-18 | 2017-11-24 | 国网山东省电力公司青岛市黄岛区供电公司 | Guide service method and device |
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| JP2022508006A (en) * | 2019-10-14 | 2022-01-19 | バイドゥ オンライン ネットワーク テクノロジー（ペキン） カンパニー リミテッド | Navigation broadcast management methods, equipment and equipment |
| JP7223112B2 (en) | 2019-10-14 | 2023-02-15 | バイドゥ オンライン ネットワーク テクノロジー（ペキン） カンパニー リミテッド | Navigation broadcast management method, device and device |
| US11906320B2 (en) | 2019-10-14 | 2024-02-20 | Baidu Online Network Technology (Beijing) Co., Ltd. | Method for managing navigation broadcast, and device |
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