CN102865875A - Navigation method and navigation equipment - Google Patents
Navigation method and navigation equipment Download PDFInfo
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- CN102865875A CN102865875A CN2012103363756A CN201210336375A CN102865875A CN 102865875 A CN102865875 A CN 102865875A CN 2012103363756 A CN2012103363756 A CN 2012103363756A CN 201210336375 A CN201210336375 A CN 201210336375A CN 102865875 A CN102865875 A CN 102865875A
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Abstract
The embodiment of the invention discloses a navigation method and navigation equipment. The navigation method comprises the following steps of: preferentially inquiring matched text information in a frequently used character text to speech (TTS) data base in an internal memory of the navigation equipment for text information required to be subjected to speech output, and when a matching result is obtained, transforming the matched test information into speech information and outputting the speech information; and when the matching result is not obtained, inquiring matched test information from the TTS data base in a memory card of the navigation equipment, and when the matching result is obtained, transforming the matched text information into the speech information and outputting the speed information. When a speech hint is carried out, the frequently used character TTS data base in the internal memory of the navigation equipment is preferentially inquired, so that files in the TTS data base of the memory card can be prevented from being read frequently, the speech synthesis speed is improved, a process of repeatedly calling and releasing the memory card is reduced, and the loss of the memory card is reduced.
Description
Technical field
The embodiment of the invention relates to field of navigation technology, relates in particular to a kind of air navigation aid and navigator.
Background technology
In airmanship, the user inputs point of interest, and navigator can be determined the accurate location of point of interest in electronic chart, to user's indication of navigating.Navigator can be computer, mobile phone, navigator etc.Navigator can be car-mounted terminal, portable navigation device etc.
Usually, navigator can provide Voice Navigation, namely provides voice suggestion to the user, such as " turning right in the place ahead, please notes driving ".Navigator is when carrying out voice suggestion, need to constantly call the TTS(Text To Speech in the storage card, Text To Speech) library file, usually the basic standard GB/T 18030-2000(of Chinese information processing that issues according to country in the existing TTS database is called for short GBK2.0), it comprises 27533 Chinese characters, navigator need to be transferred this TTS database at every turn when carrying out voice suggestion, traversal Chinese character is wherein changed the lang sound prompting of going forward side by side until find required data just can finish TTS, and this mode can produce following problem:
Too frequent to TTS database read file, read on the navigator of file poor performance at some, cause TTS long switching time, be prone to obvious speech pause phenomenon, the Voice Navigation poor effect.
And when navigating for a long time or analogue navigation when travelling, TTS reads the file number of times can reach 1,000,000 grades, and this will affect the serviceable life of storage card.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of air navigation aid and navigator, improves the Voice Navigation effect.
The purpose of the embodiment of the invention is achieved through the following technical solutions:
A kind of air navigation aid and navigator comprise:
Needs are carried out the Word message of voice output, the text message of match query in the preferential everyday character Text To Speech TTS database in the internal memory of navigator, when matching result is arranged, the text message of described coupling is changed into the voice messaging line output of going forward side by side;
When not having matching result, the text message of match query in the TTS database in the storage card of described navigator when matching result is arranged, changes into the voice messaging line output of going forward side by side with the text message of described coupling.
A kind of air navigation aid and navigator comprise:
Query unit, for the Word message that needs is carried out voice output, the text message of match query in the preferential everyday character Text To Speech TTS database in the internal memory of navigator;
Output unit is used for inquiring about when matching result is arranged when described query unit, and the text message of described coupling is changed into the voice messaging line output of going forward side by side;
Described query unit also is used for when not having matching result the text message of match query in the TTS database in the storage card of described navigator.
As seen from the above technical solution provided by the invention, when carrying out voice suggestion, everyday character TTS database in the preferential enquiry navigation device memory, avoid frequently arriving the TTS database read file of storage card, thereby improve phonetic synthesis speed, minimizing has reduced the loss to storage card to the process of repeatedly transferring and discharging of storage card.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The schematic flow sheet of the air navigation aid that Fig. 1 provides for the embodiment of the invention.
The formation synoptic diagram of the navigator that Fig. 2 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, the embodiment of the invention provides a kind of air navigation aid, comprising:
11, needs are carried out the Word message of voice output, the text message of match query in the preferential everyday character Text To Speech TTS database in the internal memory of navigator, when matching result is arranged, the text message of described coupling is changed into the voice messaging line output of going forward side by side.
12, when not having matching result, the text message of match query in the TTS database in the storage card of described navigator when matching result is arranged, changes into the voice messaging line output of going forward side by side with the text message of described coupling.
As seen from the above technical solution provided by the invention, when carrying out voice suggestion, everyday character TTS database in the preferential enquiry navigation device memory, avoid frequently arriving the TTS database read file of storage card, thereby improve phonetic synthesis speed, minimizing has reduced the loss to storage card to the process of repeatedly transferring and discharging of storage card.
In the embodiment of the invention air navigation aid, can be with reference to the TTS database in the storage card of GBK2.0 standard navigation equipment.The internal memory of navigator can be RAM(Random access Memory, random access memory).
Embodiment of the invention air navigation aid can also comprise:
Set up everyday character TTS database, and described everyday character TTS database is stored in the internal memory of described navigator.
In the embodiment of the invention air navigation aid, need to carry out the Word message of voice output, can be that statement is carried out linguistic analysis, the Word message after the analysis that obtains.The judgement of linguistic analysis such as phonetically similar word, homonym, the participle of sentence, the analysis of sentence formula etc.Specifically can be understood with reference to prior art, therefore not to repeat here.
Particularly, the described mode of setting up everyday character TTS database can comprise:
The everyday character that Modern Chinese everyday character souvenir is carried and inferior everyday character are set up everyday character TTS database as described everyday character.
Exemplary, include 2500 of everyday characters in " Modern Chinese is commonly used word table " at present, and 1000 of inferior everyday characters.
Perhaps, can replace, the described mode of setting up everyday character TTS database can comprise:
To navigation speech prompting with the literal that comprises in the word as described everyday character, set up everyday character TTS database.
Exemplary, the navigation speech prompting with word such as " please travelling to the left front ", " please keep straight on ", etc., then to navigation speech prompting with the literal that comprises in the word as everyday character, set up everyday character TTS database, when being convenient to navigation speech and pointing out, improve phonetic synthesis speed, improve user's experience.
Perhaps, can replace, the described mode of setting up everyday character TTS database can comprise:
The literal that road name in the electronic map database is comprised sorts according to the frequency of occurrences.
And the literal that the frequency of occurrences is high is set up everyday character TTS database as described everyday character.
Wherein, described electronic map database comprises a kind of in national electronic map database, administrative province electronics map data base or the administrative city electronics map data base.
Exemplary, statistics is pressed the height ordering of frequency to the frequency that road name individual character in the electronic map database occurs, and sound bank or the rule corresponding the high individual character of frequency preferentially are loaded into internal memory.Road name such as Shen Nan, location name such as World Park.
Described rule is the rule of in carrying out speech recognition process the words sentence being judged, such as the judgement of participle, sentence formula and the voice suggestion of the judgement of phonetically similar word, homonym, sentence etc.
Concrete, all road names in the electronic map database of certain limit in the navigator are added up, the Chinese character that will occur according to occurrence number sorts, such as maximum 1000～2000 Chinese characters of occurrence number together with the voice suggestion word, voice suggestion is with word for example " turning right in the place ahead; please notes drivings ", and the TTS database of correspondence is preloaded in the internal memory.
Above-mentioned certain limit can be whole country, also can be the scope of a province, a prefecture-level city, can setting according to the scope automatic or manual of the performance of navigator, built-in electronic map datum.
For example, the navigator memory headroom is less, does not then recommend to take the road name of nationwide to carry out sort method.Again for example, only has A electronic map data inside the province in user's the navigator, the user also seldom need to go out province, so also just need not take the whole country, the Chinese character that sort method in a big way also should corresponding be chosen larger interval carries out prestrain (for example the whole country then is loaded on internal memory with TTS database corresponding to front 2000 Chinese characters, and prefecture-level city's scope then is loaded on internal memory with TTS database corresponding to front 1500 Chinese characters and gets final product).
Above-mentioned sort method can manually arrange or manually change and carry out when arranging the first of voice service, also can carry out when navigator identifies the change of current administrative division.
The previous ranking results of the follow-up automatic employing of navigator carries out prestrain, for example the user economizes self-driving from A and enters B province, at this moment navigator can automatically identify the change of current administrative division, thereby the road name that adopts B to economize in the scope carries out sort method, thereby the Chinese character that so more can avoid preparing carrying out the TTS phonetic synthesis can not find in the internal memory of prestrain and need to go that the TTS database read fetches data in the storage card.
As shown in Figure 2, the air navigation aid of corresponding above-described embodiment, the embodiment of the invention provide a kind of navigator, comprising:
Query unit 21, for the Word message that needs is carried out voice output, the text message of match query in the preferential everyday character Text To Speech TTS database in the internal memory of navigator.
As seen from the above technical solution provided by the invention, when carrying out voice suggestion, everyday character TTS database in the preferential enquiry navigation device memory, avoid frequently arriving the TTS database read file of storage card, thereby improve phonetic synthesis speed, minimizing has reduced the loss to storage card to the process of repeatedly transferring and discharging of storage card.
The navigator of the embodiment of the invention can also comprise: set up the unit, be used for setting up everyday character TTS database, and described everyday character TTS database is stored in the internal memory of described navigator.
Particularly, the described unit of setting up concrete is used for everyday character that Modern Chinese everyday character souvenir is carried and inferior everyday character as described everyday character, sets up everyday character TTS database.
Perhaps, interchangeable, the described unit of setting up, concrete being used for points out the literal that comprises with word as described everyday character navigation speech, sets up everyday character TTS database.
Perhaps, interchangeable, the described unit of setting up specifically comprises:
First sets up subelement, and the literal that road name in the electronic map database is comprised sorts according to the frequency of occurrences.
Second sets up subelement, and the literal that the frequency of occurrences is high is set up everyday character TTS database as described everyday character;
Wherein, described electronic map database comprises a kind of in national electronic map database, administrative province electronics map data base or the administrative city electronics map data base.
The navigator of the embodiment of the invention and the detailed description of formation thereof can correspondence be understood with reference to the corresponding contents of the air navigation aid of above-described embodiment, and therefore not to repeat here.
As fully visible, air navigation aid of the present invention and navigator selectively are preloaded into the TTS database in the terminal internal memory, and the system voice aggregate velocity is faster like this, has also reduced the process of repeatedly transferring and discharging to storage card, has reduced the loss to storage card.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, to come the relevant hardware of instruction to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process such as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or store-memory body (Random Access Memory, RAM) etc. at random.
Claims (10)
1. an air navigation aid is characterized in that, comprising:
Needs are carried out the Word message of voice output, the text message of match query in the preferential everyday character Text To Speech TTS database in the internal memory of navigator, when matching result is arranged, the text message of described coupling is changed into the voice messaging line output of going forward side by side;
When not having matching result, the text message of match query in the TTS database in the storage card of described navigator when matching result is arranged, changes into the voice messaging line output of going forward side by side with the text message of described coupling.
2. air navigation aid according to claim 1 is characterized in that, described method also comprises:
Set up everyday character TTS database, and described everyday character TTS database is stored in the internal memory of described navigator.
3. air navigation aid according to claim 2 is characterized in that, the described mode of setting up everyday character TTS database comprises:
The everyday character that Modern Chinese everyday character souvenir is carried and inferior everyday character are set up everyday character TTS database as described everyday character.
4. air navigation aid according to claim 2 is characterized in that, the described mode of setting up everyday character TTS database comprises:
To navigation speech prompting with the literal that comprises in the word as described everyday character, set up everyday character TTS database.
5. air navigation aid according to claim 2 is characterized in that, the mode of described definite everyday character information comprises:
The literal that road name in the electronic map database is comprised sorts according to the frequency of occurrences;
The literal that the frequency of occurrences is high is set up everyday character TTS database as described everyday character;
Wherein, described electronic map database comprises a kind of in national electronic map database, administrative province electronics map data base or the administrative city electronics map data base.
6. a navigator is characterized in that, comprising:
Query unit, for the Word message that needs is carried out voice output, the text message of match query in the preferential everyday character Text To Speech TTS database in the internal memory of navigator;
Output unit is used for inquiring about when matching result is arranged when described query unit, and the text message of described coupling is changed into the voice messaging line output of going forward side by side;
Described query unit also is used for when not having matching result the text message of match query in the TTS database in the storage card of described navigator.
7. navigator according to claim 6 is characterized in that, described navigator also comprises: set up the unit, be used for setting up everyday character TTS database, and described everyday character TTS database is stored in the internal memory of described navigator.
8. navigator according to claim 7 is characterized in that, the described unit of setting up concrete is used for everyday character that Modern Chinese everyday character souvenir is carried and inferior everyday character as described everyday character, sets up everyday character TTS database.
9. navigator according to claim 7 is characterized in that, the described unit of setting up, and concrete being used for points out the literal that comprises with word as described everyday character navigation speech, sets up everyday character TTS database.
10. navigator according to claim 7 is characterized in that, the described unit of setting up specifically comprises:
First sets up subelement, and the literal that road name in the electronic map database is comprised sorts according to the frequency of occurrences;
Second sets up subelement, and the literal that the frequency of occurrences is high is set up everyday character TTS database as described everyday character;
Wherein, described electronic map database comprises a kind of in national electronic map database, administrative province electronics map data base or the administrative city electronics map data base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103363756A CN102865875A (en) | 2012-09-12 | 2012-09-12 | Navigation method and navigation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103363756A CN102865875A (en) | 2012-09-12 | 2012-09-12 | Navigation method and navigation equipment |
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| CN102865875A true CN102865875A (en) | 2013-01-09 |
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| CN2012103363756A Pending CN102865875A (en) | 2012-09-12 | 2012-09-12 | Navigation method and navigation equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943109A (en) * | 2014-04-28 | 2014-07-23 | 深圳如果技术有限公司 | Method and device for converting voice to characters |
| WO2014176894A1 (en) * | 2013-10-16 | 2014-11-06 | 中兴通讯股份有限公司 | Voice processing method and terminal |
| CN104296771A (en) * | 2014-10-14 | 2015-01-21 | 广东翼卡车联网服务有限公司 | Method and system for announcing prompt information at vehicle-mounted navigation client |
| CN105890612A (en) * | 2016-03-31 | 2016-08-24 | 百度在线网络技术（北京）有限公司 | Voice prompt method and device in navigation process |
| CN110782869A (en) * | 2019-10-30 | 2020-02-11 | 标贝（北京）科技有限公司 | Speech synthesis method, apparatus, system and storage medium |
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| CN104296771A (en) * | 2014-10-14 | 2015-01-21 | 广东翼卡车联网服务有限公司 | Method and system for announcing prompt information at vehicle-mounted navigation client |
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Application publication date: 20130109 |