CN106847261A - The Voiceprint Recognition System and method for recognizing sound-groove of a kind of Set Top Box - Google Patents
The Voiceprint Recognition System and method for recognizing sound-groove of a kind of Set Top Box Download PDFInfo
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- CN106847261A CN106847261A CN201611208792.7A CN201611208792A CN106847261A CN 106847261 A CN106847261 A CN 106847261A CN 201611208792 A CN201611208792 A CN 201611208792A CN 106847261 A CN106847261 A CN 106847261A
- Authority
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- China
- Prior art keywords
- vocal print
- top box
- set top
- analog signal
- signal
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42203—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] sound input device, e.g. microphone
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Collating Specific Patterns (AREA)
Abstract
The present invention provides a kind of Voiceprint Recognition System and method for recognizing sound-groove of Set Top Box, wherein, system includes vocal print input block, feature extraction unit, vocal print comparing unit, data storage cell, microcontroller processing unit；The feature extraction unit is used to extract the vocal print analog signal after the characteristic parameter of voice signal, and output characteristic extraction；The vocal print comparing unit is used to for the vocal print analog signal after feature extraction to be compared output digit signals after computing with reference to vocal print analog signal；The microcontroller processing unit is used for the Set Top Box according to the Digital Signals and opens or be not turned on, so that user only needs to be said to the microphone of Set Top Box by logining the corresponding voice signal of account with user opens Set Top Box, with simple operation, the good advantage of user experience, when using the Set Top Box in the family, it is easy to user effectively to manage the time of child's viewing TV.
Description
Technical field
The present invention relates to Set Top Box control technology field, and in particular to the Voiceprint Recognition System and vocal print of a kind of Set Top Box are known
Other method.
Background technology
Nowadays TV programme are more and more, and programme content is also more and more rich and varied so that many children enjoy a lot
Viewing TV programme.But, because the ability of self control of child is weak, father and mother not at one's side when, it is unfavorable in TV programme of easily wallowing in
Child's Yu grows up healthy and sound, and the father and mother for also causing outgoing work are very much to worry, in the prior art, user is typically by pressing remote control
Device button or pressing Set Top Box front panel keys complete to interact with Set Top Box, the interactive mode not only excessively mechanization, it is impossible to real
The multi-user management of existing Set Top Box, user can not be limited by setting the access rights of Set Top Box child's viewing TV when
Between.
The content of the invention
The present invention provides a kind of Voiceprint Recognition System and method for recognizing sound-groove of Set Top Box, sets special by Set Top Box
Extraction unit and vocal print comparing unit are levied, the multi-user management of Set Top Box is realized, it is good with simple operation, user experience
Advantage, when in the family using the Set Top Box, is easy to user effectively to manage the time of child's viewing TV.
In order to solve the above-mentioned technical problem, the technical solution used in the present invention is：
One aspect of the present invention provides a kind of Voiceprint Recognition System of Set Top Box, including vocal print input block, feature extraction list
Unit, vocal print comparing unit, data storage cell, microcontroller processing unit；The vocal print input block connects the feature and carries
Unit is taken, the feature extraction unit connects the vocal print comparing unit and the data storage cell, and the vocal print is more single
Unit's connection microcontroller processing unit；
The vocal print input block is used to receive the voice signal of user input；
The feature extraction unit is used to extract the vocal print after the characteristic parameter of the voice signal, and output characteristic extraction
Analog signal；
The data storage cell is used to store with reference to vocal print analog signal；Described is that user is pre- with reference to vocal print analog signal
The voice signal of first typing is through the vocal print analog signal after feature extraction；
The vocal print comparing unit is used to carry out the vocal print analog signal after feature extraction with reference to vocal print analog signal
Output digit signals after comparison operation；
The microcontroller processing unit is used to judge that the vocal print after the feature extraction is simulated according to the data signal
Signal, if the match is successful, controls the Set Top Box to open and login described with whether the match is successful with reference to vocal print analog signal
With reference to vocal print analog signal, corresponding user logins account, if matching is unsuccessful, Set Top Box is not turned on.
Further, the characteristic parameter is mel-frequency cepstrum coefficient.
Further, the vocal print comparing unit is provided with comparator, the first input end input feature vector of the comparator
Vocal print analog signal after extraction, the second input input reference vocal print analog signal of the comparator, the comparator
Data signal after output end output comparison operation.
Further, state and login account one-to-one corresponding with reference to vocal print analog signal and user.
Specifically, the vocal print input block is provided with microphone.
Another aspect of the present invention provides a kind of method for recognizing sound-groove of Set Top Box, including with reference to vocal print collection of simulant signal step
Rapid and vocal print verification step；
It is described to include with reference to vocal print collection of simulant signal step：
S11：User with Set Top Box access rights is to the Set Top Box typing voice signal；
S12：Extract the reference vocal print analog signal after the characteristic parameter of voice signal in S11, and output characteristic extraction；
S13：Storage is described with reference to vocal print analog signal；
The voice print verification step includes：
S21：The user for accessing the Set Top Box is needed to be input into user voice signal to the Set Top Box；
S22：Extract the vocal print simulation after the characteristic parameter of the voice signal of user input in S21, and output characteristic extraction
Signal；
S23：Entering with reference to vocal print analog signal in vocal print analog signal after the feature extraction that will be exported in S22 and S12
Output digit signals after row comparison operation；
S24：Judge that the vocal print analog signal after the feature extraction simulates letter with reference to vocal print according to the data signal
Number whether the match is successful, if the match is successful, controls the Set Top Box to open and login described with reference to vocal print analog signal correspondence
User login account, if matching is unsuccessful, Set Top Box is not turned on.
Further, the characteristic parameter is mel-frequency cepstrum coefficient.
Further, the S23 is compared computing by comparator, and the first input end input of the comparator is special
The vocal print analog signal after extracting is levied, the second input input of the comparator is with reference to vocal print analog signal, the comparator
Output end output comparison operation after data signal.
Further, it is described to login account one-to-one corresponding with reference to vocal print analog signal and user.
Specifically, user passes through microphone Set Top Box input speech signal.
The present invention provides a kind of Voiceprint Recognition System and method for recognizing sound-groove of Set Top Box, by microcontroller processing unit
The reference vocal print mould that the corresponding vocal print analog signal of voice signal according to user input Set Top Box is stored with data storage cell
Intend the data signal that signal is compared computing output, control the Set Top Box to open or be not turned on so that user is only needed to machine
The microphone of top box opens Set Top Box by saying voice signal corresponding with account is logined, and simple operation improves user's body
Degree of testing.Meanwhile, the multi-user management of Set Top Box is also achieved, when in the family using the Set Top Box, be conducive to user to small
The time of child's viewing TV is effectively managed；Overcome in the prior art user by pressing remote controller key or pressing machine top
Box front panel keys complete to interact with Set Top Box, it is impossible to realize the problem of the multi-user management of Set Top Box.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the Voiceprint Recognition System of Set Top Box of the invention；
Fig. 2 is a kind of reference vocal print collection of simulant signal step block diagram of the method for recognizing sound-groove of Set Top Box of the invention；
Fig. 3 is a kind of voice print verification step block diagram of the method for recognizing sound-groove of Set Top Box of the invention.
Specific embodiment
Embodiments of the present invention are specifically illustrated below in conjunction with the accompanying drawings, and accompanying drawing is only for reference and explanation is used, and it is right not constitute
The limitation of scope of patent protection of the present invention.
On the one hand the embodiment of the present invention provides a kind of Voiceprint Recognition System of Set Top Box, as shown in figure 1, including vocal print input
Unit, feature extraction unit, vocal print comparing unit, data storage cell, microcontroller processing unit；The vocal print input block
The feature extraction unit is connected, the feature extraction unit connects the vocal print comparing unit and the data storage cell,
The vocal print comparing unit connects the microcontroller processing unit；
The vocal print input block is used to receive the voice signal of user input；
The feature extraction unit is used to extract the vocal print after the characteristic parameter of the voice signal, and output characteristic extraction
Analog signal；
The data storage cell is used to store with reference to vocal print analog signal；Described is that user is pre- with reference to vocal print analog signal
The voice signal of first typing is through the vocal print analog signal after feature extraction；
The vocal print comparing unit is used to carry out the vocal print analog signal after feature extraction with reference to vocal print analog signal
Output digit signals after comparison operation；
The microcontroller processing unit is used to judge that the vocal print after the feature extraction is simulated according to the data signal
Signal, if the match is successful, controls the Set Top Box to open and login described with whether the match is successful with reference to vocal print analog signal
With reference to vocal print analog signal, corresponding user logins account, if matching is unsuccessful, Set Top Box is not turned on.
Preferably, the characteristic parameter is mel-frequency cepstrum coefficient MFCC (Mel Frequency Cepstrum
Coefficient, Mel frequency cepstral coefficient MFCC).
Preferably, the vocal print comparing unit is provided with comparator, and the first input end input feature vector of the comparator is extracted
Vocal print analog signal afterwards, the second input input of the comparator is with reference to vocal print analog signal, the output of the comparator
Data signal after the output comparison operation of end.
Specifically, the vocal print input block is provided with microphone.
Preferably, it is described to login account one-to-one corresponding with reference to vocal print analog signal and user.Due to described with reference to vocal print mould
It is the voice signal of the advance typing of user through the vocal print analog signal after feature extraction to intend signal, therefore the user logins account
Voice signal with the advance typing of user is also corresponded, therefore, when user needs to login Set Top Box, only need to be to the Set Top Box
Microphone say voice signal identical voice signal with advance typing, the vocal print mould after the speech recognition
Plan signal will the match is successful with the reference vocal print analog signal, and microcontroller processing unit will control the Set Top Box to open,
And enter and login account with reference to the corresponding user of vocal print analog signal so that only need to be said to microphone and login account with user
Corresponding voice signal can open the Set Top Box, the characteristics of with simple operation, improve the Experience Degree of user.
On the other hand the embodiment of the present invention provides a kind of method for recognizing sound-groove of Set Top Box, including with reference to vocal print analog signal
Acquisition step and vocal print verification step；
It is described to include with reference to vocal print collection of simulant signal step：
S11：User with Set Top Box access rights is to the Set Top Box typing voice signal；
S12：Extract the reference vocal print analog signal after the characteristic parameter of voice signal in S11, and output characteristic extraction；
S13：Storage is described with reference to vocal print analog signal；
The voice print verification step includes：
S21：The user for accessing the Set Top Box is needed to be input into user voice signal to the Set Top Box；
S22：Extract the vocal print simulation after the characteristic parameter of the voice signal of user input in S21, and output characteristic extraction
Signal；
S23：Entering with reference to vocal print analog signal in vocal print analog signal after the feature extraction that will be exported in S22 and S12
Output digit signals after row comparison operation；
S24：Judge that the vocal print analog signal after the feature extraction simulates letter with reference to vocal print according to the data signal
Number whether the match is successful, if the match is successful, controls the Set Top Box to open and login described with reference to vocal print analog signal correspondence
User login account, if matching is unsuccessful, Set Top Box is not turned on.
Preferably, the characteristic parameter is mel-frequency cepstrum coefficient MFCC (Mel Frequency Cepstrum
Coefficient, Mel frequency cepstral coefficient MFCC).
Preferably, the S23 is compared computing by comparator, and the first input end input feature vector of the comparator is carried
Vocal print analog signal after taking, the second input input of the comparator with reference to vocal print analog signal, the comparator it is defeated
The data signal gone out after the output comparison operation of end.
Preferably, it is described to login account one-to-one corresponding with reference to vocal print analog signal and user.
Specifically, user passes through microphone Set Top Box input speech signal.
In the present embodiment, as shown in Figure 2 and Figure 3, the specific implementation of Set Top Box Voiceprint Recognition System and method for recognizing sound-groove
Process is：User with Set Top Box access rights is user A or user B to the Set Top Box typing voice signal, specifically
The microphone of opposite Set Top Box is said user and logins the corresponding voice signal A of account or voice signal B, and the Set Top Box will be described
The voice signal A or voice signal B of user input are obtained with reference to vocal print analog signal A or with reference to vocal print mould after carrying out feature extraction
Intend signal B, and stored described with reference to vocal print analog signal, now, the User logs in account typing of Set Top Box terminates.Often
When user needs to open Set Top Box, it is only necessary to said to the microphone of Set Top Box and believed with the voice signal A or voice of advance typing
Number B identical voice signals, Set Top Box is by the vocal print analog signal after the speech recognition and described with reference to vocal print
Analog signal A is carried out after the match is successful with reference to vocal print analog signal B, and microcontroller processing unit controls the Set Top Box to open
Open, and enter and login account with reference to the corresponding user of vocal print analog signal；For not in Set Top Box, advance typing is with reference to sound
When the user input of the corresponding voice signal of line analog signal logins account similar voice to user, will be unable to and reference vocal print
The match is successful for analog signal, i.e., cannot open Set Top Box, the Set Top Box can the multiple users of typing simultaneously voice signal, because
This, realizes the multi-user management of the Set Top Box, and when in the family using the Set Top Box, user only needs not typing child's
Voice signal, you can control child watches the authority of TV, child only agrees to just see TV programme through adult, is easy to user
Time to child's viewing TV is effectively managed, it is to avoid child is weak due to ability of self control, in TV programme of wallowing in
Risk.
It should be noted that the voice signal of each user input extracts the vocal print analog signal not phase after feature
Together, therefore, even if other users for logining Set Top Box without permission obtain be allowed to the user for logining Set Top Box voice letter
Number, Set Top Box cannot be also opened, the user for being only allowed to login Set Top Box says user and posts to the Set Top Box
Number corresponding voice signal could open Set Top Box, realize the safe, reliable and effective management of the Set Top Box.
Above disclosed is only presently preferred embodiments of the present invention, it is impossible to rights protection model of the invention is limited with this
Enclose, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of Voiceprint Recognition System of Set Top Box, it is characterised in that including vocal print input block, feature extraction unit, vocal print
Comparing unit, data storage cell, microcontroller processing unit；The vocal print input block connects the feature extraction unit,
The feature extraction unit connects the vocal print comparing unit and the data storage cell, and the vocal print comparing unit connects institute
State microcontroller processing unit；
The vocal print input block is used to receive the voice signal of user input；
The vocal print simulation that the feature extraction unit is used to extract after the characteristic parameter of the voice signal, and output characteristic extraction
Signal；
The data storage cell is used to store with reference to vocal print analog signal；It is described with reference to vocal print analog signal for user records in advance
The voice signal for entering is through the vocal print analog signal after feature extraction；
The vocal print comparing unit is used to be compared the vocal print analog signal after feature extraction with reference to vocal print analog signal
Output digit signals after computing；
The microcontroller processing unit is used to judge the vocal print analog signal after the feature extraction according to the data signal
With whether the match is successful with reference to vocal print analog signal, if the match is successful, control the Set Top Box to open and login the reference
The corresponding user of vocal print analog signal logins account, if matching is unsuccessful, Set Top Box is not turned on.
2. a kind of Voiceprint Recognition System of Set Top Box as claimed in claim 1, it is characterised in that：The characteristic parameter is Mel
Frequency cepstral coefficient.
3. a kind of Voiceprint Recognition System of Set Top Box as claimed in claim 1, it is characterised in that：The vocal print comparing unit sets
Vocal print analog signal after thering is comparator, the first input end input feature vector of the comparator to extract, the second of the comparator
Input input is with reference to vocal print analog signal, the data signal after the output end output comparison operation of the comparator.
4. a kind of Voiceprint Recognition System of Set Top Box as claimed in claim 1, it is characterised in that：It is described to simulate letter with reference to vocal print
Number with user login account one-to-one corresponding.
5. a kind of Voiceprint Recognition System of Set Top Box as claimed in claim 1, it is characterised in that：The vocal print input block sets
There is microphone.
6. a kind of method for recognizing sound-groove of Set Top Box, it is characterised in that：Including with reference to vocal print collection of simulant signal step and vocal print
Verification step；
It is described to include with reference to vocal print collection of simulant signal step：
S11：User with Set Top Box access rights is to the Set Top Box typing voice signal；
S12：Extract the reference vocal print analog signal after the characteristic parameter of voice signal in S11, and output characteristic extraction；
S13：Storage is described with reference to vocal print analog signal；
The voice print verification step includes：
S21：The user for accessing the Set Top Box is needed to be input into user voice signal to the Set Top Box；
S22：Extract the vocal print analog signal after the characteristic parameter of the voice signal of user input in S21, and output characteristic extraction；
S23：Being compared with reference to vocal print analog signal in vocal print analog signal after the feature extraction that will be exported in S22 and S12
Compared with output digit signals after computing；
S24：The vocal print analog signal after the feature extraction is judged according to the data signal is with reference to vocal print analog signal
No the match is successful, if the match is successful, controls the Set Top Box to open and login described with reference to the corresponding use of vocal print analog signal
Account is logined at family, if matching is unsuccessful, Set Top Box is not turned on.
7. a kind of method for recognizing sound-groove of Set Top Box as claimed in claim 7, it is characterised in that：The characteristic parameter is Mel
Frequency cepstral coefficient.
8. a kind of method for recognizing sound-groove of Set Top Box as claimed in claim 7, it is characterised in that：The S23 passes through comparator
Be compared computing, the first input end input feature vector of the comparator extract after vocal print analog signal, the comparator
The input of second input is with reference to vocal print analog signal, the data signal after the output end output comparison operation of the comparator.
9. a kind of method for recognizing sound-groove of Set Top Box as claimed in claim 7, it is characterised in that：It is described to simulate letter with reference to vocal print
Number with user login account one-to-one corresponding.
10. a kind of method for recognizing sound-groove of Set Top Box as claimed in claim 7, it is characterised in that：User passes through Mike's blower fan
Top box input speech signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611208792.7A CN106847261A (en) | 2016-12-23 | 2016-12-23 | The Voiceprint Recognition System and method for recognizing sound-groove of a kind of Set Top Box |
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| CN201611208792.7A CN106847261A (en) | 2016-12-23 | 2016-12-23 | The Voiceprint Recognition System and method for recognizing sound-groove of a kind of Set Top Box |
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