CN102543078A - Electronic card system, speech recording method and speech retrieval method of electronic card - Google Patents
Electronic card system, speech recording method and speech retrieval method of electronic card Download PDFInfo
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Abstract
The invention discloses an electronic card system which comprises a speech acquisition module, a speech analysis module, a speech characteristic extraction module, a keyword recognition module, an electronic card manager and an electronic card database, wherein the speech acquisition module is used for acquiring speech; the speech analysis module is used for transmitting an effective speech signal to the speech characteristic extraction module; the speech characteristic extraction module is used for extracting speech characteristics according to the received speech signal; the keyword recognition module is used for carrying out keyword recognition on the speech characteristics and outputting a keyword; the electronic card manager is used for establishing an electronic card in the electronic card database according to the keyword or browsing, retrieving, deleting and correcting the electronic card established in the electric card database; and the electronic card database stores the electronic card. The invention also discloses a speech recording method and a speech retrieval method of the electronic card, and also discloses an effective speech judgment method. According to the invention, contact information can be conveniently recorded and the electronic card is established, and multiple electronic cards can be rapidly retrieved.
Description
Technical field
The present invention relates to infotech, the voice input method of particularly a kind of electronic business card system and electronic business card, speech retrieval method.
Background technology
Business card is a kind of economical and practical articles for use during private contact of contemporary society and public affair are associated.Business card since print standard, literal succinct, be easy to carry, be easy to preserve, receive the welcome of various circles of society, in various circles of society, be widely used.
Common business card all is on business card, to print relevant information; Work as people like this and do not carry the business card of printing in advance; When then people will exchange some contact details, if do not have the paper pen or be inconvenient to use the paper pen, the contact information record that can't easily the other side be informed between the people was got off.
In addition, if when people receives a lot of business card, numerous business cards is put in order, the expensive time of preservation meeting, and numerous business cards retrieved seek a business card and also need a lot of times.
Summary of the invention
The technical matters that the present invention will solve is can write down contact details easily and set up electronic business card, and can retrieve fast numerous electronic business cards.
For solving the problems of the technologies described above, the invention provides a kind of electronic business card system, comprise voice acquisition module, speech analysis module, pronunciation extracting module, key word recognition module, electronic business card manager, electronic business card database;
Voice acquisition module is used to gather voice, and the output voice signal is to speech analysis module;
Speech analysis module, whether be efficient voice, if efficient voice then is transferred to pronunciation extracting module with voice signal if being used to detect voice signal;
Pronunciation extracting module extracts phonetic feature and outputs to the key word recognition module according to the voice signal that receives;
The key word recognition module is used for phonetic feature is carried out key word recognition, and the output keyword is to the electronic business card manager;
The electronic business card manager is used for setting up the different electronic business card of identification code according to keyword at the electronic business card database, or browses, retrieves, deletes, revises the electronic business card of setting up in the electronic business card database;
The electronic business card database is used for the store electrons business card, and each electronic business card in the electronic business card database comprises that an identification code and a plurality of attribute-property value are right.
If said electronic business card manager receives the keyword that gets into the typing state; Perhaps receive the typing state selection signal that the user sends through alternate manner; Then get into the typing state; The electronic business card manager that gets into the typing state is used for the electronic business card that a newly-built identification code is different from the existing electronic business card of electronic business card database, and makes newly-built electronic business card active.
If said electronic business card manager receives the keyword that gets into browse state; Perhaps receive the user and select signal through the browse state that alternate manner sends; Then get into browse state, the electronic business card manager that gets into browse state is used for exporting the electronic business card of electronic business card database.
Receive an electronic business card identification code if get into the electronic business card manager of browse state, perhaps receive the selection signal of user, then make this electronic business card active through an electronic business card of alternate manner transmission.
If said electronic business card manager receives the keyword that gets into retrieval status; Perhaps receive the user and select signal through the retrieval status that alternate manner sends; Then get into retrieval status; The electronic business card manager that gets into retrieval status is used for said electronic business card database is carried out electronic business card retrieval, the electronic business card in the electronic business card database that output retrieves.
Get into the electronic business card manager of retrieval status, receive search key, if having property value and search key coupling in the electronic business card database, then output comprises all properties and the property value of each electronic business card of this property value.
Behind all properties and property value of each electronic business card that the electronic business card manager output of entering retrieval status retrieves; If receive the identification code keyword of the electronic business card that retrieves; Perhaps receive the selection signal of the electronic business card that retrieves that the user sends through alternate manner, then make this electronic business card that retrieves active.
Said electronic business card manager, when an electronic business card enlivens,
If receive deletion electronic business card keyword, then delete this and enliven electronic business card,
If receive an existing attribute keywords in this electronic business card, then make this attribute in this electronic business card active, if receive an attribute keywords that does not have in this electronic business card, newly-built this attribute and make it active in this electronic business card then.
Said electronic business card manager, when an attribute enlivens in this electronic business card,
If receive delete property value keyword, then delete this attribute and respective attributes value in this electronic business card;
Activate the property value keyword if receive, then make the property value of this attribute in this electronic business card active.
Said electronic business card manager, when the property value of an attribute in this electronic business card enlivens,
If receive a property value keyword, then replace the former property value of this attribute of this electronic business card with this property value that newly receives.
Voice acquisition module can be microphone.
Speech analysis module divides frame to handle voice signal, and the energy of current speech signal frame is E, and the voice threshold values is T, and the initial speech threshold values is Ti, and the workflow of speech analysis module is following:
One. beginning, T=Ti;
Two. the energy E of current speech signal frame is compared with voice threshold values T, if if E carries out step 3 less than T, if if E carries out step 4 more than or equal to T;
Three. be judged to be non-efficient voice, get into non-efficient voice state, with the current speech transfer of signals to pronunciation extracting module, and new speech threshold value T=E*a more carries out step 2 then;
Four. be judged to be efficient voice, get into the efficient voice state, to pronunciation extracting module, and new speech threshold value T=E*b more carries out step 2 then with the current speech transfer of signals;
Wherein a, b are threshold coefficient, 0＜b＜a≤1.
When the key word recognition module is carried out key word recognition to phonetic feature, provide optimum a plurality of results earlier and supply the user to select, therefrom select the result who confirms to output to the electronic business card DBM user then as keyword.
The key word recognition module, the phonetic feature or the user that extract according to pronunciation extracting module select signal to confirm that the user therefrom selects the result who confirms through the result that alternate manner sends.
For solving the problems of the technologies described above, the present invention also provides a kind of voice input method of electronic business card, may further comprise the steps:
One. gather voice signal;
Two. whether be efficient voice, if efficient voice then carries out step 3, otherwise carry out step 1 if detecting voice signal;
Three. extract phonetic feature according to the voice signal of gathering;
Four. phonetic feature is carried out key word recognition, the output keyword;
Five. set up in the electronic business card database according to keyword and to comprise an identification code and the right electronic business card of a plurality of attribute-property value.
For solving the problems of the technologies described above, the present invention also provides a kind of speech retrieval method of electronic business card, may further comprise the steps:
One. set up the electronic business card database, each electronic business card in the electronic business card database comprises that an identification code and a plurality of attribute-property value are right, and the identification code of each electronic business card is different;
Two. gather voice signal;
Three. whether be efficient voice, if efficient voice then carries out step 3, otherwise carry out step 1 if detecting voice signal;
Four. extract phonetic feature according to the voice signal of gathering;
Five. phonetic feature is carried out key word recognition, the output keyword;
Six. with the matching degree of the property value in the electronic business card database electronic business card database is carried out the electronic business card retrieval according to keyword.
The present invention also provides a kind of efficient voice decision method, may further comprise the steps:
One. beginning, T=Ti, T are the voice threshold values, Ti is the initial speech threshold values;
Two. the energy E of current speech signal frame is compared with voice threshold values T, if if E carries out step 3 less than T, if if E carries out step 4 more than or equal to T;
Three. be judged to be non-efficient voice, and new speech threshold value T=E*a more, carry out step 2 then;
Four. be judged to be efficient voice, and new speech threshold value T=E*b more, carry out step 2 then;
A, b are threshold coefficient, 0＜b＜a≤1.
The present invention with user's business card electronization, can get into typing, browses, state such as retrieval; Under the typing state, if the card information that the user will employ (like name, phone, email address etc.) say, just electronic business card system can be noted this card information in the electronic business card database; Set up an electronic business card; Under retrieval status, as long as the user says attribute arbitrarily or the property value that oneself can remember, just electronic business card system can be inquired about the electronic business card database; Provide corresponding electronic business card information to the user, realize quick retrieval numerous electronic business cards.Electronic business card among the present invention is the set of a series of attribute-property values, has good extendability, is convenient to the user individual customization.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Fig. 1 is electronic business card system one an embodiment synoptic diagram of the present invention;
Fig. 2 is the workflow synoptic diagram of speech analysis module;
Fig. 3 is the electronic business card synoptic diagram;
Fig. 4 is the voice input method process flow diagram of electronic business card;
Fig. 5 is the speech retrieval method flow diagram of electronic business card.
Embodiment
Electronic business card system one embodiment of the present invention is as shown in Figure 1, comprises voice acquisition module, speech analysis module, pronunciation extracting module, key word recognition module, electronic business card manager, electronic business card database;
Voice acquisition module is used to gather voice, and the output voice signal is to speech analysis module, and voice acquisition module can be microphone;
Speech analysis module, whether be efficient voice, if efficient voice then is transferred to pronunciation extracting module with voice signal, if not efficient voice, then voice signal is not transferred to pronunciation extracting module if being used to detect voice signal;
Speech analysis module divides frame to handle voice signal, and establishing 20ms is a frame, and the energy of current speech signal frame is E, and the voice threshold values is T, and the initial speech threshold values is Ti, and the workflow of speech analysis module is as shown in Figure 2:
One. beginning, voice threshold values T equals initial speech threshold values Ti, T=Ti;
Two. the energy E of current speech signal frame is compared with voice threshold values T, if if E carries out step 3 less than T, if if E carries out step 4 more than or equal to T;
Three. be judged to be non-efficient voice, get into non-efficient voice state, with the current speech transfer of signals to pronunciation extracting module, and new speech threshold value T=E*a more carries out step 2 then;
Four. be judged to be efficient voice, get into the efficient voice state, to pronunciation extracting module, and new speech threshold value T=E*b more carries out step 2 then with the current speech transfer of signals;
Wherein a, b are threshold coefficient, 0＜b＜a≤1, and threshold coefficient example a, b adjust as required, for example can get a=1.0, b=0.3; Among this embodiment, voice threshold values T changes with the energy E and the voice status of current speech signal frame, can teach and take out efficient voice accurately.
Pronunciation extracting module; Extract phonetic feature and output to the key word recognition module according to the voice signal that receives, like Mei Er cepstrum parameter (MFCC) commonly used, in the process of extracting characteristic parameter; Will be earlier through voice enhancing, silence detection, to improve system performance and robustness;
The key word recognition module is used for the phonetic feature that pronunciation extracting module extracts is carried out key word recognition, and the output keyword is to the electronic business card manager; Key word recognition belongs to a branch of speech recognition; It is intended in the continuous speech through the analysis to phonetic feature; Detect interested speech, and ignore uninterested information, the key word recognition module is when providing keyword; Can provide optimum a plurality of results earlier and supply the user to select, therefrom select the result who confirms to output to the electronic business card manager user then as keyword.
The key word recognition module can select signal to confirm that the user therefrom selects the result who confirms through the result that alternate manner sends according to phonetic feature or the user that pronunciation extracting module extracts.One embodiment; The user provides voice; The key word recognition module provides " 1. Zhang San ", " 2. Zhang Sanfeng ", " 3. Li Si " three results, if the result of user expectation is " Zhang San ", then the user says " Zhang San " again or reads " 1 " and confirms; Perhaps the user says " cancellation " again and finishes this key word recognition and carry out next key word recognition; The key word recognition module if the phonetic feature that extracts according to pronunciation extracting module subsequently recognizes keyword " Zhang San " perhaps " 1 ", is then exported keyword " Zhang San " to the electronic business card DBM after providing said three results and selecting to the user; If the phonetic feature that extracts according to pronunciation extracting module subsequently recognizes keyword " cancellation ", then finish this key word recognition and carry out next key word recognition.
The electronic business card database is used for the store electrons business card, and each electronic business card in the electronic business card database is as shown in Figure 3, comprises that an identification code and a plurality of attribute-property value are right;
The electronic business card manager is set up the different electronic business card of identification code according to the keyword that the key word recognition module transmits, or is browsed, retrieves, deletes, revises the electronic business card of setting up in the electronic business card database in said electronic business card database;
If said electronic business card manager receives the keyword (like " typing ") that gets into the typing state; Perhaps receive the typing state selection signal that the user sends through alternate manner; Then get into the typing state; The electronic business card manager that gets into the typing state is used for the electronic business card that a newly-built identification code is different from the existing electronic business card of electronic business card database, and makes this newly-built electronic business card active;
If said electronic business card manager receives the keyword (like " browsing ") that gets into browse state; Perhaps receive the user and select signal through the browse state that alternate manner sends; Then get into browse state, the electronic business card manager that gets into browse state is used for exporting the electronic business card of electronic business card database; Receive an electronic business card identification code if get into the electronic business card manager of browse state, perhaps receive the selection signal of user, then make this electronic business card active through an electronic business card of alternate manner transmission;
If said electronic business card manager receives the keyword (like " retrieval ") that gets into retrieval status; Perhaps receive the user and select signal through the retrieval status that alternate manner sends; Then get into retrieval status; The electronic business card manager that gets into retrieval status is used for said electronic business card database is carried out electronic business card retrieval, the electronic business card in the electronic business card database that output retrieves; Get into the electronic business card manager of retrieval status; Receive search key (like " Zhang San "); If there is property value and search key (" Zhang San ") coupling in the electronic business card database; Then output comprise each electronic business card of this property value all properties and property value (as " and identification code 1, name Zhang San, phone * * * * * * * * "); Behind all properties and property value of each electronic business card that the electronic business card manager output of entering retrieval status retrieves; If receive the identification code of the electronic business card that retrieves; Perhaps receive the selection signal of the electronic business card that retrieves that the user sends through alternate manner, then make this electronic business card that retrieves active;
Said electronic business card manager; When an electronic business card enlivens,, then delete this and enliven business card if receive deletion electronic business card keyword; If receive an existing attribute keywords (like " name ") in this electronic business card; Then make this attribute (" name ") in this electronic business card active, if receive an attribute keywords (like " mailbox ") that does not have in this electronic business card, newly-built this attribute (" mailbox ") and make it active in this electronic business card then;
Said electronic business card manager when an attribute enlivens in this electronic business card, if receive delete property value keyword, is then deleted this attribute and respective attributes value in this electronic business card; Activate property value keyword (like " property value ") if receive, then make the property value of this attribute in this electronic business card active;
Said electronic business card manager when the property value of an attribute in this electronic business card enlivens, if receive a property value keyword (like " Zhang San "), is then replaced the former property value of this attribute of this electronic business card with this property value that newly receives (like " Zhang San ").
Electronic business card system of the present invention, the voice input method of electronic business card is as shown in Figure 4, may further comprise the steps:
One. gather voice signal;
Two. whether be efficient voice, if efficient voice then carries out step 3, otherwise carry out step 1 if detecting voice signal;
Three. extract phonetic feature according to the voice signal of gathering;
Four. phonetic feature is carried out key word recognition, the output keyword;
Five. set up in the electronic business card database according to keyword and to comprise an identification code and the right electronic business card of a plurality of attribute-property value.
Electronic business card system of the present invention, the speech retrieval method of electronic business card is as shown in Figure 5, may further comprise the steps:
One. set up the electronic business card database, each electronic business card in the electronic business card database comprises attribute, property value two data item;
Two. gather voice signal;
Three. whether be efficient voice, if efficient voice then carries out step 3, otherwise carry out step 1 if detecting voice signal;
Four. extract phonetic feature according to the voice signal of gathering;
Five. phonetic feature is carried out key word recognition, the output keyword;
Six. with the matching degree of the property value in the electronic business card database electronic business card database is carried out the electronic business card retrieval according to keyword.
The present invention with user's business card electronization, can get into typing, browses, state such as retrieval; Under the typing state, if the card information that the user will employ (like name, phone, email address etc.) say, just electronic business card system can be noted this card information in the electronic business card database; Set up an electronic business card; Under retrieval status, as long as the user says attribute arbitrarily or the property value that oneself can remember, just electronic business card system can be inquired about the electronic business card database; Provide corresponding electronic business card information to the user, realize quick retrieval numerous electronic business cards.Electronic business card among the present invention is the set of a series of attribute-property values, has good extendability, is convenient to the user individual customization.
Claims (18)
1. an electronic business card system is characterized in that, comprises voice acquisition module, speech analysis module, pronunciation extracting module, key word recognition module, electronic business card manager, electronic business card database;
Voice acquisition module is used to gather voice, and the output voice signal is to speech analysis module;
Speech analysis module, whether be efficient voice, if efficient voice then is transferred to pronunciation extracting module with voice signal if being used to detect voice signal;
Pronunciation extracting module extracts phonetic feature and outputs to the key word recognition module according to the voice signal that receives;
The key word recognition module is used for phonetic feature is carried out key word recognition, and the output keyword is to the electronic business card manager;
The electronic business card manager is used for setting up the different electronic business card of identification code according to keyword at the electronic business card database, or browses, retrieves, deletes, revises the electronic business card of setting up in the electronic business card database;
The electronic business card database is used for the store electrons business card, and each electronic business card in the electronic business card database comprises that an identification code and a plurality of attribute-property value are right.
2. electronic business card system according to claim 1; It is characterized in that; If said electronic business card manager receives the keyword that gets into the typing state, perhaps receive the user through the typing state selection signal that alternate manner sends, then get into the typing state; The electronic business card manager that gets into the typing state is used for the electronic business card that a newly-built identification code is different from the existing electronic business card of electronic business card database, and makes newly-built electronic business card active.
3. electronic business card system according to claim 1; It is characterized in that; If said electronic business card manager receives the keyword that gets into browse state; Perhaps receive the user and select signal through the browse state that alternate manner sends, then get into browse state, the electronic business card manager that gets into browse state is used for exporting the electronic business card of electronic business card database.
4. electronic business card system according to claim 3; It is characterized in that; Receive an electronic business card identification code if get into the electronic business card manager of browse state, perhaps receive the selection signal of user, then make this electronic business card active through an electronic business card of alternate manner transmission.
5. electronic business card system according to claim 1; It is characterized in that; If said electronic business card manager receives the keyword that gets into retrieval status, perhaps receive the user and select signal through the retrieval status that alternate manner sends, then get into retrieval status; The electronic business card manager that gets into retrieval status is used for said electronic business card database is carried out electronic business card retrieval, the electronic business card in the electronic business card database that output retrieves.
6. electronic business card system according to claim 5; It is characterized in that; Get into the electronic business card manager of retrieval status; Receive search key, if having property value and search key coupling in the electronic business card database, then output comprises all properties and the property value of each electronic business card of this property value.
7. electronic business card system according to claim 6; It is characterized in that; Behind all properties and property value of each electronic business card that the electronic business card manager output of entering retrieval status retrieves; If receive the identification code keyword of the electronic business card that retrieves, perhaps receive the selection signal of the electronic business card that retrieves that the user sends through alternate manner, then make this electronic business card that retrieves active.
8. according to claim 2,4 or 7 each described electronic business card systems, it is characterized in that, said electronic business card manager, when an electronic business card enlivens,
If receive deletion electronic business card keyword, then delete this and enliven electronic business card,
If receive an existing attribute keywords in this electronic business card, then make this attribute in this electronic business card active, if receive an attribute keywords that does not have in this electronic business card, newly-built this attribute and make it active in this electronic business card then.
9. electronic business card system according to claim 8 is characterized in that, said electronic business card manager, and when an attribute enlivens in this electronic business card,
If receive delete property value keyword, then delete this attribute and respective attributes value in this electronic business card;
Activate the property value keyword if receive, then make the property value of this attribute in this electronic business card active.
10. electronic business card system according to claim 9 is characterized in that, said electronic business card manager, and when the property value of an attribute in this electronic business card enlivens,
If receive a property value keyword, then replace the former property value of this attribute of this electronic business card with this property value that newly receives.
11. electronic business card system according to claim 1 is characterized in that, voice acquisition module is a microphone.
12. electronic business card system according to claim 1 is characterized in that, speech analysis module divides frame to handle voice signal, and the energy of current speech signal frame is E, and the voice threshold values is T, and the initial speech threshold values is Ti, and the workflow of speech analysis module is following:
One. beginning, T=Ti;
Two. the energy E of current speech signal frame is compared with voice threshold values T, if if E carries out step 3 less than T, if if E carries out step 4 more than or equal to T;
Three. be judged to be non-efficient voice, get into non-efficient voice state, with the current speech transfer of signals to pronunciation extracting module, and new speech threshold value T=E*a more carries out step 2 then;
Four. be judged to be efficient voice, get into the efficient voice state, to pronunciation extracting module, and new speech threshold value T=E*b more carries out step 2 then with the current speech transfer of signals;
Wherein a, b are threshold coefficient, 0＜b＜a≤1.
13. electronic business card system according to claim 12 is characterized in that, a=1.0, b=0.3.
14. electronic business card system according to claim 1; It is characterized in that; When the key word recognition module is carried out key word recognition to phonetic feature; Provide optimum a plurality of results earlier and supply the user to select, therefrom select the result who confirms to output to the electronic business card DBM user then as keyword.
15. electronic business card system according to claim 14; It is characterized in that; The key word recognition module, the phonetic feature or the user that extract according to pronunciation extracting module select signal to confirm that the user therefrom selects the result who confirms through the result that alternate manner sends.
16. the voice input method of an electronic business card is characterized in that, may further comprise the steps:
One. gather voice signal;
Two. whether be efficient voice, if efficient voice then carries out step 3, otherwise carry out step 1 if detecting voice signal;
Three. extract phonetic feature according to the voice signal of gathering;
Four. phonetic feature is carried out key word recognition, the output keyword;
Five. set up in the electronic business card database according to keyword and to comprise an identification code and the right electronic business card of a plurality of attribute-property value.
17. the speech retrieval method of an electronic business card is characterized in that, may further comprise the steps:
One. set up the electronic business card database, each electronic business card in the electronic business card database comprises that an identification code and a plurality of attribute-property value are right, and the identification code of each electronic business card is different;
Two. gather voice signal;
Three. whether be efficient voice, if efficient voice then carries out step 3, otherwise carry out step 1 if detecting voice signal;
Four. extract phonetic feature according to the voice signal of gathering;
Five. phonetic feature is carried out key word recognition, the output keyword;
Six. with the matching degree of the property value in the electronic business card database electronic business card database is carried out the electronic business card retrieval according to keyword.
18. an efficient voice decision method is characterized in that, may further comprise the steps:
One. beginning, T=Ti, T are the voice threshold values, Ti is the initial speech threshold values;
Two. the energy E of current speech signal frame is compared with voice threshold values T, if if E carries out step 3 less than T, if if E carries out step 4 more than or equal to T;
Three. be judged to be non-efficient voice, and new speech threshold value T=E*a more, carry out step 2 then;
Four. be judged to be efficient voice, and new speech threshold value T=E*b more, carry out step 2 then;
A, b are threshold coefficient, 0＜b＜a≤1.
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| WO2017128150A1 (en) * | 2016-01-27 | 2017-08-03 | 张仓 | Method for recording traveling cost using speech and cost calculation system |
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