CN102063901A - Voice identification method for position service equipment and position service equipment - Google Patents

Abstract

The invention relates to a voice identification method for position service equipment in the technical field of position services. The method comprises the following steps of receiving voice instructions, and performing characteristic extraction on the voice instructions to acquire voice identification characteristics of the voice instructions; searching standard voice characteristics matched with the voice identification characteristics in a stored voice base; searching corresponding functional commands or interest points in the voice base according to the searched standard voice characteristics matched with the voice identification characteristics; and executing the functional commands, or displaying the interest points. The embodiment of the invention also provides the corresponding position service equipment. The position service equipment provided by the embodiment of the invention can identify voice tasks and solve the driving or walking safety problem of a user caused when the original position service equipment can execute the navigation service by means of single manual operation of the user.

Description

The audio recognition method of location-based service equipment and location-based service equipment

Technical field

The invention belongs to the location-based service technical field, relate in particular to the audio recognition method of a kind of location-based service equipment and location-based service equipment.

Background technology

Location-based service equipment is meant the equipment with location-based service and correlation function thereof.Location-based service equipment is example with the navigator, its principle of work is: navigator is determined the position coordinates of ad-hoc location, the position coordinates of putting down in writing in the electronic chart that itself and self are stored mates, and determines the accurate position of navigation object in electronic chart of this navigator of lift-launch with this.Navigator can be car-mounted terminal, portable navigation device, mobile phone terminal etc.Navigation object can be vehicle, pedestrian etc.After the user configured departure place and destination, navigator can be calculated guidance path, and according to calculate guidance path navigate for the user.

At present, the various operations of navigator all need user's manual operation, dwindle, adjust the ground angle of field, switch routing pattern etc. as map amplification, map, need the user manually at the enterprising line operate of navigator.This kind manual operation meeting influences the safety of user when travelling or walk, thereby influence is to the use of navigator.

Summary of the invention

Technical matters to be solved by this invention is to provide the audio recognition method of a kind of location-based service equipment and location-based service equipment, solves existing location-based service equipment and can only rely on user's manual operation, influences the problem of user security.

The objective of the invention is to be achieved through the following technical solutions:

The technical scheme that the present invention takes comprises: a kind of audio recognition method of location-based service equipment is provided, comprises the steps:

Receive phonetic order, described phonetic order is carried out feature extraction, obtain the speech recognition features of described phonetic order;

In the sound bank of storage, search the received pronunciation feature that obtains with described speech recognition features coupling; Described received pronunciation feature comprises: in phonetic order received pronunciation feature and the point of interest received pronunciation feature at least one; Described sound bank comprises in phonetic order storehouse and the point of interest sound bank at least one, preserves command function and command function received pronunciation corresponding relation in the described phonetic order storehouse, and the received pronunciation feature of preserving described command function received pronunciation; Preserve point of interest and point of interest received pronunciation corresponding relation in the described point of interest sound bank, and the received pronunciation feature of preserving this point of interest received pronunciation;

According to the received pronunciation feature of searching the described and described speech recognition features coupling that obtains, in described sound bank, search and obtain corresponding command function or point of interest;

Carry out described command function, or show described point of interest.

If search less than with the received pronunciation feature of described speech recognition features coupling, described method also comprises:

Show that identification is unsuccessful, the prompting user re-enters phonetic order.

The received pronunciation characteristic-acquisition method of described command function received pronunciation comprises:

The command function received pronunciation of memory function order correspondence; To the described command function received pronunciation of storage carry out feature extraction, obtain the received pronunciation feature; The corresponding relation of the received pronunciation feature of command function received pronunciation and extraction is set;

The received pronunciation characteristic-acquisition method of described point of interest received pronunciation comprises:

The point of interest received pronunciation of storage point of interest correspondence; Described point of interest received pronunciation to storage carries out feature extraction, obtains point of interest received pronunciation feature; The corresponding relation of the point of interest received pronunciation feature of point of interest received pronunciation and extraction is set.

Described point of interest received pronunciation comprises the received pronunciation of point of interest full name or point of interest keyword.

If show described point of interest, described method also comprises:

Receive the point of interest that the user selects;

With the current location is the departure place, is the destination path planning with the described point of interest of selecting;

Carry out navigation Service according to current location and described path planning.

The embodiment of the invention also provides a kind of location-based service equipment, comprising:

Voice receiving unit is used to receive phonetic order;

The speech recognition features extraction unit is used for described phonetic order is carried out feature extraction, obtains the speech recognition features of described phonetic order;

Storage unit, be used for the storaged voice storehouse, described sound bank comprises in phonetic order storehouse and the point of interest sound bank at least one, preserves command function and command function received pronunciation corresponding relation in the described phonetic order storehouse, and the received pronunciation feature of preserving described command function received pronunciation; Preserve point of interest and point of interest received pronunciation corresponding relation in the described point of interest sound bank, and the received pronunciation feature of preserving this point of interest received pronunciation;

First searches the unit, is used for searching the received pronunciation feature that obtains with described speech recognition features coupling at the sound bank of storage; Described received pronunciation feature comprises: in command function received pronunciation feature and the point of interest received pronunciation feature at least one;

Second searches the unit, is used for searching in described sound bank and obtaining corresponding command function or point of interest according to the received pronunciation feature of searching the described and described speech recognition features coupling that obtains;

The voice task executing units is used to carry out described second and searches the unit and search the command function that obtains, or shows described point of interest.

Also comprise:

Tip element, be used for search less than with the received pronunciation feature situation of described speech recognition features coupling under, show that identification is unsuccessful, the prompting user re-enters phonetic order.

Also comprise:

The task receiving element is used to receive the point of interest that the user selects;

Navigation elements, being used for the current location is the departure place, the described point of interest that the user who receives with described task receiving element selects is the destination path planning, and carries out navigation Service according to current location and described path planning.

The technical scheme that is provided by the invention described above embodiment as can be seen, the location-based service equipment that the embodiment of the invention provides can the recognizing voice task, overcome the single dependence of original location-based service equipment user manual operation and could carry out navigation Service, the safety problem of the user who brings when travelling or walk provides bigger facility by using speech identifying function for the use of location-based service equipment.

Description of drawings

Fig. 1 is the audio recognition method process flow diagram of the embodiment of the invention one location-based service equipment;

Fig. 2 is the audio recognition method process flow diagram of example one location-based service equipment of the present invention;

Fig. 3 is the audio recognition method process flow diagram of example two location-based service equipment of the present invention;

Fig. 4 is a kind of example structure synoptic diagram of the embodiment of the invention two location-based service equipment;

Fig. 5 is the another kind of example structure synoptic diagram of the embodiment of the invention two location-based service equipment;

Fig. 6 is another example structure synoptic diagram of the embodiment of the invention two location-based service equipment.

Embodiment

In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.

Core concept of the present invention is to provide a kind of location-based service equipment that can recognizing voice, this location-based service equipment can be after receiving the user's voice order, voice are discerned, the sound bank of contrast storage, determine corresponding command function or point of interest, thereby carry out the function corresponding order or show described point of interest, overcome the single dependence of original location-based service equipment user manual operation and could carry out navigation Service, the safety problem of the user who brings when travelling or walk.

The embodiment of the invention one provides a kind of audio recognition method of location-based service equipment, as shown in Figure 1, comprises the steps:

Step 10: receive phonetic order, described phonetic order is carried out feature extraction, obtain the speech recognition features of described phonetic order;

Wherein, the method for obtaining the speech recognition features of phonetic order adopts prior art, and the embodiment of the invention is not done qualification at this.

Step 11: in the sound bank of storage, search the received pronunciation feature that obtains with described speech recognition features coupling;

Described received pronunciation feature comprises: in command function received pronunciation feature and the point of interest received pronunciation feature at least one;

The described sound bank of the embodiment of the invention comprises in phonetic order storehouse and the point of interest sound bank at least one, preserve command function and command function received pronunciation corresponding relation in the described phonetic order storehouse, and the received pronunciation feature of preserving described command function received pronunciation; Preserve point of interest and point of interest received pronunciation corresponding relation in the described point of interest sound bank, and the received pronunciation feature of preserving this point of interest received pronunciation;

Wherein, the received pronunciation characteristic-acquisition method of described command function received pronunciation comprises:

The command function received pronunciation of memory function order correspondence; To the described command function received pronunciation of storage carry out feature extraction, obtain the received pronunciation feature; The corresponding relation of the received pronunciation feature of command function received pronunciation and extraction is set;

The received pronunciation characteristic-acquisition method of described point of interest received pronunciation comprises:

The point of interest received pronunciation of storage point of interest correspondence; Described point of interest received pronunciation to storage carries out feature extraction, obtains point of interest received pronunciation feature; The corresponding relation of the point of interest received pronunciation feature of point of interest received pronunciation and extraction is set.Described point of interest received pronunciation comprises the received pronunciation of point of interest full name or point of interest keyword.For example, point of interest " day amperage sign indicating number city ", point of interest full name be " day amperage sign indicating number city ", and the point of interest keyword is " a sky amperage sign indicating number " etc.

The corresponding relation of command function received pronunciation and command function can be shown in following table one in the phonetic order storehouse that an embodiment of the present invention provides

Table one

Be understandable that, the command function received pronunciation of the described location-based service equipment of the embodiment of the invention and the corresponding relation of command function are also more than that, for example can also comprise that command function is a navigation Service, the command function received pronunciation of navigation Service correspondence can be navigation, a kind of embodiment that last table one only provides for the inventor.

The corresponding relation of point of interest received pronunciation and point of interest can be shown in following table two in the point of interest sound bank that an embodiment of the present invention provides

Point of interest	The point of interest received pronunciation
		Historical record	History or historical record
Classification searching	Classification or classification searching
		The intersection	Crossing or intersection
The periphery refuelling station	The periphery refuelling station
		The periphery parking lot	The periphery parking lot
The periphery auto repair	The periphery auto repair
		The periphery restaurant	The periphery restaurant
Periphery bank	Periphery bank
		Periphery supermarket/convenience store	Periphery supermarket/convenience store
Periphery pharmacy	Periphery pharmacy
		The periphery amusement and recreation	The periphery amusement and recreation
The periphery public lavatory	The periphery public lavatory

Table two

Be understandable that the point of interest received pronunciation of the described location-based service equipment of the embodiment of the invention and the corresponding relation of point of interest and more than that, a kind of embodiment that last table two only provides for the inventor.

The received pronunciation feature of the described and described speech recognition features coupling of the embodiment of the invention, the matching degree of the received pronunciation feature of promptly described speech recognition features and preservation satisfies the preset matching condition.

The embodiment of the invention also comprises: if search less than with the received pronunciation feature of described speech recognition features coupling, show that then identification is unsuccessful, the prompting user re-enters phonetic order.

Step 12:, in described sound bank, search and obtain corresponding command function or point of interest according to the received pronunciation feature of searching the described and described speech recognition features coupling that obtains;

Step 13: carry out described command function, or show described point of interest.

If show described point of interest, the described location-based service equipment of the embodiment of the invention can also continue to carry out speech-recognition services or manual operation service, as: receive the point of interest that the user selects in a plurality of points of interest that show; With the current location is the departure place, is the destination path planning with the described point of interest of selecting; Carry out navigation Service according to current location and described path planning.

The embodiment of the invention has realized that location-based service equipment can the recognizing voice task, overcome the single dependence of original location-based service equipment user manual operation and could carry out navigation Service, the safety problem of the user who brings when travelling or walk provides bigger facility by using speech identifying function for the use of location-based service equipment.

For further understanding the present invention, with instantiation the method that the embodiment of the invention one provides is described in detail below.

Example one

" going home " with command function is example, the command function of preserving in the sound bank of location-based service equipment comprises " going home ", its corresponding command function received pronunciation is that voice " are gone home ", the received pronunciation feature that this command function received pronunciation of location-based service device storage " is gone home ", the identifying of " going home " phonetic order of this location-based service equipment comprises the steps: as shown in Figure 2

Step 20: receive phonetic order and " go home ";

For example, receive the user and send the voice of " going home " facing to Mike;

Step 21: extract the speech recognition features that phonetic order " is gone home ";

Step 22: in the received pronunciation feature of storage, search " going home " received pronunciation feature that the speech recognition features of " going home " with phonetic order meets the preset matching condition;

If can find the received pronunciation feature of " going home " of meeting the preset matching condition, then discern successfully execution in step 23; If can not find the received pronunciation feature of " going home " of meeting the preset matching condition, then identification is unsuccessful, and the prompting user re-enters phonetic order;

Step 23: in the sound bank of storage, obtain " going home " corresponding command function and be " going home " by the received pronunciation feature of " going home ".

Step 24: determine the departure place, the home location of storing is made as the destination;

Determine that the departure place can determine by the departure place that receives user's input, also current location can be defined as the departure place.Described current location can be determined by receiving gps signal.

Step 25: according to departure place and destination path planning;

Step 26: navigate according to current location and described path planning;

This navigation can be Voice Navigation or dynamic interface navigation, also can be that the navigation of Voice Navigation and dynamic interface combines.Described dynamic interface navigation can be to show described path planning and current location on electronic chart, because navigation object is transportable, the current location that shows on electronic chart also moves thereupon, and the current location that shows on electronic chart can be used icon representation.Voice Navigation can be to arrive or approach signal lamp, turning, crossing, branch branch road, expressway entrance and exit etc. need the place of prompting in current location, carries out voice suggestion.

Example two

" peripheral refuelling station " is example with command function, and the command function of location-based service equipment comprises " peripheral refuelling station ", and its corresponding received pronunciation is " peripheral refuelling station ".The corresponding relation of this received pronunciation of location-based service device storage " peripheral refuelling station " and command function " peripheral refuelling station ", and the received pronunciation feature of received pronunciation " peripheral refuelling station ", this location-based service equipment comprises the steps: to the identifying of " peripheral refuelling station " phonetic order as shown in Figure 3

Step 30: receive phonetic order " peripheral refuelling station ";

For example, can receive the user and send the voice of " peripheral refuelling station " facing to Mike;

Step 31: the speech recognition features of extracting phonetic order " peripheral refuelling station ";

Step 32: in the received pronunciation feature of storage, search " peripheral refuelling station " the received pronunciation feature that meets the preset matching condition with the speech recognition features of phonetic order " peripheral refuelling station ";

If can find the received pronunciation feature of " the peripheral refuelling station " that meet the preset matching condition, then discern successfully execution instep 33; If can not find the received pronunciation feature of " the peripheral refuelling station " that meet the preset matching condition, then identification is unsuccessful, and the prompting user re-enters phonetic order;

Step 33: in sound bank, obtain corresponding command function and be " peripheral refuelling station " by the received pronunciation feature of " peripheral refuelling station ".

Step 34: retrieval is the point of interest of refuelling station apart from the attribute in the distance range of current location setting, shows result for retrieval;

Finished the identifying operation of phonetic order " peripheral refuelling station " this moment, and follow-up can the continuation operated according to user's request, as described in step 35-37:

Step 35: receive the point of interest that the user selects in Search Results, it is made as the destination;

This user selects the operation of point of interest can user's manual operation.

Step 36: with the current location is the departure place, according to departure place and destination path planning;

Current location can be determined by receiving gps signal;

Step 37: navigate according to current location and described path planning;

This navigation can be Voice Navigation or dynamic interface navigation, also can be that the navigation of Voice Navigation and dynamic interface combines.Described dynamic interface navigation can be to show described path planning and current location on electronic chart, because navigation object is transportable, the current location that shows on electronic chart also moves thereupon, and the current location that shows on electronic chart can be used icon representation.Voice Navigation can be to arrive or approach signal lamp, turning, crossing, branch branch road, expressway entrance and exit etc. need the place of prompting in current location, carries out voice suggestion.

The embodiment of the invention two provides a kind of location-based service equipment, as shown in Figure 4, comprising:

Voice receiving unit 40 is used to receive phonetic order;

Speech recognition featuresextraction unit 41 is used for described phonetic order is carried out feature extraction, obtains the speech recognition features of described phonetic order;

Storage unit 42, be used for the storaged voice storehouse, described sound bank comprises in phonetic order storehouse and the point of interest sound bank at least one, preserves command function and command function received pronunciation corresponding relation in the described phonetic order storehouse, and the received pronunciation feature of preserving described command function received pronunciation; Preserve point of interest and point of interest received pronunciation corresponding relation in the described point of interest sound bank, and the received pronunciation feature of preserving this point of interest received pronunciation;

First searches unit 43, is used for searching the received pronunciation feature that obtains with described speech recognition features coupling at the sound bank of storage; Described received pronunciation feature comprises: in command function received pronunciation feature and the point of interest received pronunciation feature at least one;

Second searches unit 44, is used for searching in described sound bank and obtaining corresponding command function or point of interest according to the received pronunciation feature of searching the described and described speech recognition features coupling that obtains;

Voicetask executing units 45 is used to carry out described second and searches the unit and search the command function that obtains, or shows described point of interest.

The method that described each unit matching of location-based service equipment of the embodiment of the invention is discerned voice repeats no more with reference to described in the embodiment one herein.

As shown in Figure 5, described location-based service equipment also comprises:

Tip element 46, be used for search less than with the received pronunciation feature situation of described speech recognition features coupling under, show that identification is unsuccessful, the prompting user re-enters phonetic order.

As shown in Figure 6, described location-based service equipment can also comprise:

Task receiving element 47 is used to receive the point of interest that the user selects;

Navigation elements 48, being used for the current location is the departure place, the described point of interest that the user who receives with described task receiving element selects is the destination path planning, and carries out navigation Service according to current location and described path planning.

Be the inventive point of outstanding location-based service equipment of the present invention, the embodiment of the invention has been omitted the description of the more existing functions of location-based service equipment.

The embodiment of the invention has realized that location-based service equipment can the recognizing voice task, overcome the single dependence of original location-based service equipment user manual operation and could carry out navigation Service, the safety problem of the user who brings when travelling or walk provides bigger facility by using speech identifying function for the use of location-based service equipment.

In sum, the embodiment of the invention has realized that location-based service equipment can the recognizing voice task, overcome the single dependence of original location-based service equipment user manual operation and could carry out navigation Service, the safety problem of the user who brings when travelling or walk provides bigger facility by using speech identifying function for the use of location-based service equipment.

The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. the audio recognition method of a location-based service equipment is characterized in that, comprises the steps:

Receive phonetic order, described phonetic order is carried out feature extraction, obtain the speech recognition features of described phonetic order;

In the sound bank of storage, search the received pronunciation feature that obtains with described speech recognition features coupling; Described received pronunciation feature comprises: in phonetic order received pronunciation feature and the point of interest received pronunciation feature at least one; Described sound bank comprises in phonetic order storehouse and the point of interest sound bank at least one, preserves command function and command function received pronunciation corresponding relation in the described phonetic order storehouse, and the received pronunciation feature of preserving described command function received pronunciation; Preserve point of interest and point of interest received pronunciation corresponding relation in the described point of interest sound bank, and the received pronunciation feature of preserving this point of interest received pronunciation;

According to the received pronunciation feature of searching the described and described speech recognition features coupling that obtains, in described sound bank, search and obtain corresponding command function or point of interest;

Carry out described command function, or show described point of interest.

2. the method for claim 1 is characterized in that, if search less than with the received pronunciation feature of described speech recognition features coupling, described method also comprises:

Show that identification is unsuccessful, the prompting user re-enters phonetic order.

3. the method for claim 1 is characterized in that, the received pronunciation characteristic-acquisition method of described command function received pronunciation comprises:

The command function received pronunciation of memory function order correspondence; To the described command function received pronunciation of storage carry out feature extraction, obtain the received pronunciation feature; The corresponding relation of the received pronunciation feature of command function received pronunciation and extraction is set;

The received pronunciation characteristic-acquisition method of described point of interest received pronunciation comprises:

The point of interest received pronunciation of storage point of interest correspondence; Described point of interest received pronunciation to storage carries out feature extraction, obtains point of interest received pronunciation feature; The corresponding relation of the point of interest received pronunciation feature of point of interest received pronunciation and extraction is set.

4. method as claimed in claim 3 is characterized in that described point of interest received pronunciation comprises the received pronunciation of point of interest full name or point of interest keyword.

5. the method for claim 1 is characterized in that, if show described point of interest, described method also comprises:

Receive the point of interest that the user selects;

With the current location is the departure place, is the destination path planning with the described point of interest of selecting;

Carry out navigation Service according to current location and described path planning.

6. a location-based service equipment is characterized in that, comprising:

Voice receiving unit is used to receive phonetic order;

The speech recognition features extraction unit is used for described phonetic order is carried out feature extraction, obtains the speech recognition features of described phonetic order;

Storage unit, be used for the storaged voice storehouse, described sound bank comprises in phonetic order storehouse and the point of interest sound bank at least one, preserves command function and command function received pronunciation corresponding relation in the described phonetic order storehouse, and the received pronunciation feature of preserving described command function received pronunciation; Preserve point of interest and point of interest received pronunciation corresponding relation in the described point of interest sound bank, and the received pronunciation feature of preserving this point of interest received pronunciation;

First searches the unit, is used for searching the received pronunciation feature that obtains with described speech recognition features coupling at the sound bank of storage; Described received pronunciation feature comprises: in command function received pronunciation feature and the point of interest received pronunciation feature at least one;

Second searches the unit, is used for searching in described sound bank and obtaining corresponding command function or point of interest according to the received pronunciation feature of searching the described and described speech recognition features coupling that obtains;

The voice task executing units is used to carry out described second and searches the unit and search the command function that obtains, or shows described point of interest.

7. location-based service equipment as claimed in claim 6 is characterized in that, also comprises:

Tip element, be used for search less than with the received pronunciation feature situation of described speech recognition features coupling under, show that identification is unsuccessful, the prompting user re-enters phonetic order.

8. location-based service equipment as claimed in claim 6 is characterized in that, also comprises:

The task receiving element is used to receive the point of interest that the user selects;

Navigation elements, being used for the current location is the departure place, the described point of interest that the user who receives with described task receiving element selects is the destination path planning, and carries out navigation Service according to current location and described path planning.

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