CN110415710A - Parameter regulation means, device, equipment and the medium of interactive system for vehicle-mounted voice - Google Patents
Parameter regulation means, device, equipment and the medium of interactive system for vehicle-mounted voice Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of parameter regulation means of interactive system for vehicle-mounted voice, device, equipment and media.Wherein, the parameter regulation means of interactive system for vehicle-mounted voice include: to obtain the current running state parameter of vehicle in real time in vehicle travel process；According to current running state parameter, the current running state of vehicle is judged；If it is determined that vehicle is in normally travel state, then the detection duration by the VAD service in interactive system for vehicle-mounted voice is set as standard detection duration；If it is determined that vehicle is in abnormality processing stage, then set the VAD detection duration serviced to extending detection duration.The technical solution of the embodiment of the present invention is by analyzing vehicle running state parameter, determine whether vehicle is in abnormality processing stage, it realizes and the detection duration of VAD service is adjusted in a sudden situation, it avoids that recording is caused to be interrupted in advance because handling abnormality, improves speech recognition success rate.
Description
Technical field
The present embodiments relate to the parameter adjustment sides of speech recognition technology more particularly to a kind of interactive system for vehicle-mounted voice
Method, device, equipment and medium.
Background technique
With the development of speech recognition technology, speech recognition system is had been applied in various electronic equipments,
And it is related to various aspects in daily life, for example, the voice assistant in intelligent sound box, smart phone and driving conditions.
Speech recognition system, which usually all has, to be started recording, identification typing voice, terminates voice input, provides recognition result
Ability.Wherein, terminate voice input scheme it is usual there are two types of, one is users to terminate manually, and one is system detection users
Voice input terminates and ends automatically.In the prior art, detect that user speech typing terminates and terminates common technology of recording
It is VAD (VAD, Voice Activity Detection) rear end detection technique, the energy of detection audio-frequency information can be passed through
Determine whether user terminates voice input.Thereafter end-point detection duration is fixed, and user is needed to protect in voice input process
The coherent of recording is deposited, however, user often stops voice because of road emergency situations whithin a period of time in driving procedure
Typing causes voice input to terminate in advance, and, it is also possible to because what user inputted when facing emergency situations is not intended to content,
Leading to the accuracy of speech recognition reduces, and leads to voice input mistake.
Summary of the invention
The embodiment of the present invention provides parameter regulation means, device, equipment and the medium of a kind of interactive system for vehicle-mounted voice, with
In vehicle travel process, the detection duration of VAD service is adjusted in real time according to vehicle running state parameter.
In a first aspect, the embodiment of the invention provides a kind of parameter regulation means of interactive system for vehicle-mounted voice, the side
Method includes:
In vehicle travel process, the current running state parameter of the vehicle is obtained in real time；
According to the current running state parameter, the current running state of the vehicle is judged；
If it is determined that the vehicle is in normally travel state, then the VAD in the interactive system for vehicle-mounted voice is serviced
Detection duration be set as standard detection duration；
If it is determined that the vehicle is in abnormality processing stage, then set the detection duration that the VAD is serviced to
Extend detection duration；
Wherein, the extension detection duration is greater than the standard detection duration.
Second aspect, it is described the embodiment of the invention also provides a kind of parameter adjustment controls of interactive system for vehicle-mounted voice
Device includes:
State parameter obtains module, for obtaining the current running state of the vehicle in real time in vehicle travel process
Parameter；
Driving status judgment module, for judging the current driving of the vehicle according to the current running state parameter
State；
Standard detection duration setting module, for if it is determined that the vehicle is in normally travel state, then by the vehicle
The detection duration for carrying the VAD service in voice interactive system is set as standard detection duration；
Extend detection duration setting module, for if it is determined that the vehicle is in abnormality processing stage, then by institute
The detection duration for stating VAD service is set as extending detection duration；
Wherein, the extension detection duration is greater than the standard detection duration.
The third aspect, the embodiment of the invention also provides a kind of electronic equipment, comprising:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the parameter regulation means for the interactive system for vehicle-mounted voice that any embodiment of that present invention provides.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes the parameter adjustment for the interactive system for vehicle-mounted voice that any embodiment of that present invention provides when the program is executed by processor
Method.
The technical solution of the embodiment of the present invention judges vehicle by obtaining the driving status parameter in vehicle travel process
Current running state, if it is determined that vehicle is in normally travel state, then by the inspection of the VAD service in interactive system for vehicle-mounted voice
Survey duration be set as standard detection duration, if it is determined that vehicle be in abnormality processing stage, then by VAD service detection when
It is long to be set as extending detection duration, it realizes in vehicle travel process, according to transport condition the detection of dynamic regulation VAD service
Duration is avoided because road emergency situations cause recording to terminate in advance, so that the case where causing speech recognition to fail, improves vehicle
Carry speech recognition success rate in voice interactive system.
Detailed description of the invention
Fig. 1 is the flow chart of the parameter regulation means of one of the embodiment of the present invention one interactive system for vehicle-mounted voice；
Fig. 2 is the flow chart of the parameter regulation means of one of the embodiment of the present invention two interactive system for vehicle-mounted voice；
Fig. 3 is the flow chart of the parameter regulation means of one of the embodiment of the present invention three interactive system for vehicle-mounted voice；
Fig. 4 is the structural representation of the parameter adjustment controls of one of the embodiment of the present invention four interactive system for vehicle-mounted voice
Figure；
Fig. 5 is a kind of structural schematic diagram for equipment that the embodiment of the present invention five provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is the flow chart of one of the embodiment of the present invention one parameter regulation means of interactive system for vehicle-mounted voice, this
The technical solution of embodiment is suitable for the case where adjusting interactive system for vehicle-mounted voice parameter according to vehicle running state, and this method can
To be executed by the parameter adjustment controls of interactive system for vehicle-mounted voice, which can be realized by software and/or hardware, and can be with
It is integrated in various general purpose computing devices, specifically comprises the following steps:
Step 110, in vehicle travel process, obtain the current running state parameter of the vehicle in real time.
In the present embodiment, in order to judge the driving status of vehicle, if detecting that user opens in vehicle travel process
Voice interactive system simultaneously starts typing voice, then the sensor carried by interactive system for vehicle-mounted voice obtains vehicle row in real time
Sail state parameter.Illustratively, voice interactive system and typing voice are opened when detecting user under vehicle running state, then
The velocity and acceleration that acceleration transducer and GPS sensor timing acquisition vehicle are carried by voice interactive system, for example, can
To be obtained every 0.5 second and record a velocity and acceleration value.
Optionally, the driving status parameter includes: the present speed and/or current acceleration of the vehicle.
In this optional embodiment, in order to judge the driving status of vehicle, the speed that can most characterize vehicle running state is chosen
Degree and acceleration value are as the driving status parameter for needing to obtain in real time.
Step 120, according to the current running state parameter, judge the current running state of the vehicle, if it is determined that
The vehicle is in normally travel state, thens follow the steps 130, if it is determined that and the vehicle is in abnormality processing stage,
Then follow the steps 140.
In the present embodiment, according to vehicle running state parameter (the predominantly speed and acceleration obtained in above-described embodiment
Degree), by setting rule, judge the current driving status of vehicle, wherein driving status may include normally travel state and different
The normal state processing stage.
Illustratively, it can pass through that judgement is current to be obtained by presetting the normal value range of velocity and acceleration
Whether the vehicle running state parameter arrived is within above-mentioned value range, the judgement of Lai Jinhang vehicle running state, at this point, if working as
Preceding traveling state parameter is within default value range, it is determined that vehicle is in normally travel state, if current running state
Beyond default value range at parameter, it is determined that vehicle is in abnormality processing stage；
Alternatively, the velocity and acceleration being previously obtained can also be input to by the vehicle running state parameter that will acquire
In prediction model, the prediction of the velocity and acceleration value range in Lai Jinhang subsequent time period is got eventually by judgement
Vehicle actual speed and/or acceleration whether be in estimation range, the judgement of Lai Jinhang vehicle running state, at this point, if
Current running state parameter is within estimation range, it is determined that vehicle is in normally travel state, if current running state is joined
Exceed estimation range at number, it is determined that vehicle is in abnormality processing stage.
Step 130, by the interactive system for vehicle-mounted voice VAD service detection duration be set as standard detection when
It is long.
In the present embodiment, when determining that vehicle current running state is in normally travel state, show that user can link up
Carry out voice input operation, then can by the VAD in interactive system for vehicle-mounted voice service detection duration remain default value,
Wherein, the default value of the detection duration of VAD service can be set to 1 second, it is of course also possible to autonomous setting according to the actual situation
The default duration.
Step 140 sets the detection duration that the VAD is serviced to extend detection duration；
Wherein, the extension detection duration is greater than the standard detection duration.
In the present embodiment, when determining that the vehicle is in abnormality processing stage, show that user may be because of place
It manages abnormality and stops voice input whithin a period of time, if the detection duration of VAD service at this time still uses default value,
It may result in recording to terminate in advance, to cause speech recognition to fail, therefore, it is necessary to postpone the detection duration of VAD service, i.e.,
The VAD detection duration serviced is set to extend detection duration.Exemplary, above-mentioned extension detection duration can be preset fixation
Duration, the fixation duration are greater than default detection duration；Alternatively, extending detection duration can be the urgency level according to abnormality
And the variable duration of flexible modulation.
The technical solution of the embodiment of the present invention judges vehicle by obtaining the driving status parameter in vehicle travel process
Current running state, if it is determined that vehicle is in normally travel state, then by the inspection of the VAD service in interactive system for vehicle-mounted voice
Survey duration be set as standard detection duration, if it is determined that vehicle be in abnormality processing stage, then by VAD service detection when
It is long to be set as extending detection duration, it realizes in vehicle travel process, according to transport condition the detection of dynamic regulation VAD service
Duration is avoided because road emergency situations cause recording to terminate in advance, so that the case where causing speech recognition to fail, improves vehicle
Carry speech recognition success rate in voice interactive system.
Embodiment two
Fig. 2 is a kind of flow chart of the parameter regulation means of interactive system for vehicle-mounted voice provided by Embodiment 2 of the present invention,
The present embodiment further refines on the basis of the above embodiments, provides according to the driving status parameter, judges the vehicle
Current running state specific steps and by the detection duration that the VAD is serviced be set as extend detection duration before
Specific steps.Below with reference to Fig. 2 to a kind of parameter regulation means of interactive system for vehicle-mounted voice provided by Embodiment 2 of the present invention
It is illustrated, comprising the following steps:
Step 210, in vehicle travel process, obtain the current running state parameter of the vehicle in real time.
Optionally, the driving status parameter includes: the present speed and/or current acceleration of the vehicle.
Step 220, speed and/or acceleration according to the vehicle in the first setting duration, obtain vehicle second
Set the range of predetermined speed and/or acceleration in duration.
In the present embodiment, the historical speed and acceleration that can be first passed through in advance in vehicle travel process construct speed and acceleration
The velocity and acceleration that first sets collected vehicle in duration (for example, 10 seconds) is separately input by the prediction model of degree
Velocity and acceleration prediction model carries out the prediction of car speed and acceleration in the second setting duration, illustratively, can incite somebody to action
Collected car speed and acceleration are input to prediction during 30 seconds the 28th minute to 40 seconds 28 minutes in vehicle travel process
In model, and predict the value range of car speed and acceleration in 41 seconds the 28th minute to 45 seconds 28 minutes.Wherein, speed
It can be the historical data according to car speed and acceleration with the prediction model of acceleration, obtained by conic fitting
The curve of speed and acceleration.
Whether the actual speed and/or acceleration of step 221, detection vehicle in the second setting duration exceed predetermined speed
And/or the range of acceleration, if so, 240~step 243 is thened follow the steps, conversely, executing step 230~step 231.
Step 230 determines that the vehicle is in normally travel state.
In the present embodiment, will test second is set in duration in the actual speed of vehicle and acceleration and step 220
The car speed of prediction and the value range of acceleration are compared, when actual speed and acceleration are respectively at the speed of prediction
Within the value range of acceleration, it is determined that vehicle is in normally travel state.Illustratively, vehicle is predicted in step 220
The value range of velocity and acceleration in 41 seconds the 28th minute to 45 seconds 28 minutes be respectively [40Km/h, 60Km/h] and
[-2m/s2, 2m/s2], when detecting the range of actual vehicle speed in 41 seconds the 28th minute to 45 seconds 28 minutes [40Km/h,
55Km/h], actual vehicle acceleration range is [- 0.5m/s2, 0.3m/s2], it is clear that the actual value of car speed and acceleration is all
Within estimation range, it is determined that vehicle is in normally travel state.
Step 231, by the interactive system for vehicle-mounted voice VAD service detection duration be set as standard detection when
It is long.
Step 240 determines that the vehicle is in abnormality processing stage.
In the present embodiment, will test second is set in duration in the actual speed of vehicle and acceleration and step 220
The car speed of prediction and the value range of acceleration are compared, when the speed of actual speed and/or acceleration beyond prediction
With the value range of acceleration, it is determined that vehicle is in abnormality processing stage.Illustratively, vehicle is predicted in step 220
The value range of velocity and acceleration in 41 seconds the 28th minute to 45 seconds 28 minutes be respectively [40Km/h, 60Km/h] and
[-2m/s2, 2m/s2], when detecting the range of actual vehicle speed in 41 seconds the 28th minute to 45 seconds 28 minutes [25Km/h,
55Km/h], actual vehicle acceleration range is [- 0.7m/s2, 0.3m/s2], it is clear that the actual value of car speed is beyond prediction model
It encloses, it is determined that vehicle is in abnormality processing stage.
It is worth noting that, when detecting that the actual speed of vehicle and acceleration are respectively at predetermined speed and prediction accelerates
When spending in value range, determine that vehicle is in normally travel state, once wherein a certain item actual value exceeds for speed or acceleration
Estimation range, it is determined that vehicle is in abnormality processing stage.
Step 241 according to the actual speed and acceleration and described predetermined speed in the second setting duration and/or adds
Relationship between the range of speed determines the urgency level of abnormality.
In the present embodiment, in order to carry out specific aim processing for the situation of different urgency levels, abnormality is carried out
Quantitative analysis, specifically, according to the model of actual speed and acceleration and predetermined speed and/or acceleration in the second setting duration
Relationship between enclosing seeks the urgency level of abnormality, wherein urgency level quantized value is bigger, indicates that current state is tighter
It is anxious.Illustratively, the case where the case where urgency level is 0.5 than urgency level is 0.2 is more urgent.
Optionally, according to the actual speed and acceleration and described predetermined speed in the second setting duration and/or add
Relationship between the range of speed determines the urgency level of the abnormality, comprising:
According to it is described second setting duration in vehicle actual speed deviate described predetermined speed range deviation value and
Current actual speed, the deviation ratio of calculating speed value；
Deviate the deviation of the range of the pre- measuring acceleration according to the actual acceleration of vehicle in the second setting duration
Value and currently practical acceleration, calculate the deviation ratio of acceleration value；
According to the velocity amplitude deviation ratio and the acceleration value deviation ratio, the urgency level of the unusual condition is calculated.
In this optional embodiment, provides one kind and more specifically set the actual speed in duration according to second and add
Relationship between speed and the range of predetermined speed and/or acceleration, the method for seeking the urgency level of abnormality.Firstly,
The deviation value and current actual speed for deviateing the range of predetermined speed according to the actual speed of vehicle in the second setting duration, calculate
The deviation ratio β of velocity amplitude, specific formula for calculation are as follows:
Wherein, v (t) indicates the maximum value or minimum value of the actual speed of vehicle in the second setting duration；
vhighIndicate the maximum value in predetermined speed range in the second setting duration；
vlowIndicate the minimum value in predetermined speed range in the second setting duration.
Then, the deviation of the range of pre- measuring acceleration is deviateed according to the actual acceleration of vehicle in the second setting duration
Value and currently practical acceleration, calculate the deviation ratio α of acceleration value, specific formula for calculation is as follows:
Wherein, a (t) indicates the maximum value or minimum value of the actual acceleration of vehicle in the second setting duration；
ahighIndicate the maximum value in the prediction acceleration range in the second setting duration；
alowIndicate the minimum value in the prediction acceleration range in the second setting duration.
Finally, calculating the urgency level η of the unusual condition according to velocity amplitude deviation ratio and acceleration value deviation ratio, have
Body calculation formula are as follows:
η=α β
Wherein, η value is bigger, indicates that current abnormality is more urgent.
Step 242, the urgency level according to abnormality calculate the extension and detect duration.
In the present embodiment, according to the urgency level of abnormality, calculates the extension and detect duration, according to abnormality
Urgency level, be adjusted flexibly VAD service detection duration, improve the success rate of speech recognition.
Optionally, it according to the urgency level of abnormality, calculates the extension and detects duration, comprising:
According to the urgency level of the abnormality and the standard detection duration, calculates the extension and detect duration.
In this optional embodiment, a kind of urgency level according to abnormality and standard detection duration are provided, is calculated
Extend the specific method of detection duration t', calculation formula is as follows:
T'=C η t
Wherein, η indicates the urgency level of unusual condition；
T indicates standard detection duration；
C is to extend detection duration calculation constant, wherein C η > 1.
As shown from the above formula, the urgency level of abnormality is more urgent, and the extension detection duration is bigger.
Step 243 sets the detection duration that the VAD is serviced to extend detection duration.
The technical solution of the present embodiment, by by vehicle travel process actual speed and acceleration and predetermined speed and
Acceleration range is compared, and determines the driving status of vehicle, and the actual speed in the by detecting second setting duration
Relationship between acceleration and predetermined speed and/or the range of acceleration calculates the urgency level of abnormality, further according to different
The urgency level of normal state calculates and extends detection duration, sets the detection duration that VAD is serviced to extend detection duration, real
Show the detection duration that VAD service is adjusted flexibly according to vehicle running state, the time of processing abnormality reserved to user,
The case where causing recording to be interrupted in advance because of emergency situations is avoided, the success rate of speech recognition is improved.
Embodiment three
Fig. 3 is the flow chart of one of the embodiment of the present invention three parameter regulation means of interactive system for vehicle-mounted voice, this
Embodiment further refines on the basis of the above embodiments, provides the current running state parameter for obtaining the vehicle in real time
Specific steps and by the detection duration that the VAD is serviced be set as extend detection duration after specific steps.It ties below
Fig. 3 is closed to be illustrated a kind of parameter regulation means for interactive system for vehicle-mounted voice that the embodiment of the present invention three provides, including with
Lower step:
Step 310, when detecting that the voice input service in the interactive system for vehicle-mounted voice is turned on, in real time obtain
The current running state parameter of the vehicle；
Wherein, the VAD services the end record length for detecting the voice input service.
In the present embodiment, when detecting that user opens interactive system for vehicle-mounted voice and starts to carry out voice input, pass through
The included sensor of interactive system for vehicle-mounted voice carrys out the current running state parameter of real-time measurement vehicle, to carry out vehicle driving shape
The judgement of state.
Step 320, according to the current running state parameter, judge the current running state of the vehicle, if it is determined that
The vehicle is in normally travel state, thens follow the steps 330, if it is determined that and the vehicle is in abnormality processing stage,
Then follow the steps 340
Step 330, by the interactive system for vehicle-mounted voice VAD service detection duration be set as standard detection when
It is long.
Step 340 sets the detection duration that the VAD is serviced to extend detection duration, and executes 341~step 342；
Wherein, the extension detection duration is greater than the standard detection duration.
Step 341 was obtained in the abnormality processing stage, and user's typing of service acquisition is inputted by the voice
Voice.
When user interactive system for vehicle-mounted voice carry out voice input during, be abnormal state, user may nothing
The some interjections of typing or pet phrase etc. are without practical significance information between consciousness, such as " ... " " oh, my ... " etc..The present embodiment
In, by obtaining in abnormality processing stage, user's typing voice of service acquisition is inputted by voice, with to wherein including
The information without practical significance handled.
Step 342 rejects the non-command information for including in user's typing voice.
In the present embodiment, rejected mainly for the information without practical significance for including in user's typing voice, to keep away
Exempt from it to adversely affect speech recognition.
Optionally, the non-command information for including in user's typing voice is rejected, comprising:
According to language model is not intended to, identify user in the abnormality processing stage from user's typing voice
Unconscious non-command information；
The unconscious non-command information is rejected from user's typing voice；
Wherein, the language model that is not intended to is using being not intended to what corpus was trained, for determining that user records
Enter whether voice belongs to unconscious non-command information.
In this optional embodiment, provides and a kind of reject the non-command information for including in user's typing voice
Concrete mode is not intended to language model firstly, the user's typing voice obtained in step 341 is input to, is not intended to by this
Then the non-command information for including in language model identification user's typing voice records the non-command information recognized from user
Enter in voice and is rejected.
The technical solution of the present embodiment, when detecting that the voice input service in interactive system for vehicle-mounted voice is turned on,
The current running state parameter of vehicle is obtained in real time, and parameter determines vehicle running state according to transport condition, when detecting vehicle
Be in abnormality processing stage, then by interactive system for vehicle-mounted voice VAD service detection duration be set as standard inspection
Survey duration, if it is determined that vehicle is in abnormality processing stage, then when being set as the VAD detection duration serviced to extend detection
It is long, meanwhile, the non-command information for including in user's typing voice is rejected, on the one hand, realize according to vehicle driving shape
The detection duration of state dynamic adjustment VAD service, avoids recording caused by because of bursty state and interrupt in advance, on the other hand, by user
The non-command information for including in typing voice is rejected, and the non-order letter of user's unconscious input in emergency situations is avoided
Breath adversely affects speech recognition, improves semantic task completion rate.
Example IV
Fig. 4 is the structural representation of one of the embodiment of the present invention four parameter adjustment controls of interactive system for vehicle-mounted voice
Figure, the parameter adjustment controls of the interactive system for vehicle-mounted voice, comprising: state parameter obtains module 410, driving status judgment module
420, standard detection duration setting module 430 and extension detection duration setting module 440.
State parameter obtains module 410, for obtaining the current driving shape of the vehicle in real time in vehicle travel process
State parameter；
Driving status judgment module 420, for judging the current line of the vehicle according to the current running state parameter
Sail state；
Standard detection duration setting module 430 is used for if it is determined that the vehicle be in normally travel state, then will described in
The detection duration of VAD service in interactive system for vehicle-mounted voice is set as standard detection duration；
Extend detection duration setting module 440, is used for if it is determined that the vehicle be in abnormality processing stage, then general
The detection duration of the VAD service is set as extending detection duration；
Wherein, the extension detection duration is greater than the standard detection duration.
The technical solution of the embodiment of the present invention judges vehicle by obtaining the driving status parameter in vehicle travel process
Current running state, if it is determined that vehicle is in normally travel state, then by the inspection of the VAD service in interactive system for vehicle-mounted voice
Survey duration be set as standard detection duration, if it is determined that vehicle be in abnormality processing stage, then by VAD service detection when
It is long to be set as extending detection duration, it realizes in vehicle travel process, according to transport condition the detection of dynamic regulation VAD service
Duration is avoided because road emergency situations cause recording to terminate in advance, so that the case where causing speech recognition to fail, improves vehicle
Carry speech recognition success rate in voice interactive system.
Optionally, the driving status parameter includes: the present speed and/or current acceleration of the vehicle；
Correspondingly, the driving status judgment module 420, comprising:
Horizon prediction unit obtains vehicle for the speed and/or acceleration according to the vehicle in the first setting duration
Second setting duration in predetermined speed and/or acceleration range；
Abnormality determination unit, for when detect vehicle it is described second setting duration in actual speed and/or
Acceleration beyond described predetermined speed and/or acceleration range when, determine that the vehicle is in abnormality processing stage；
Normal condition determination unit, for working as the actual speed and acceleration that detect vehicle in the second setting duration
When degree is in the range of described predetermined speed and/or acceleration, determine that the vehicle is in normally travel state.
Optionally, the parameter adjustment of the interactive system for vehicle-mounted voice, further includes:
Urgency level determining module, for being set as extending in the detection duration for servicing the VAD before detecting duration,
According between the actual speed and acceleration and described predetermined speed and/or the range of acceleration in the second setting duration
Relationship determines the urgency level of abnormality；
Extend detection duration calculation module, for the urgency level according to abnormality, calculates the extension and detect duration.
Optionally, the urgency level determining module, comprising:
Velocity shifts rate computing unit, it is described pre- for being deviateed according to the actual speed of vehicle in the second setting duration
The deviation value and current actual speed of the range for degree of testing the speed, the deviation ratio of calculating speed value；
Acceleration deviation ratio computing unit, for deviateing institute according to the actual acceleration of vehicle in the second setting duration
The deviation value and currently practical acceleration for stating the range of pre- measuring acceleration, calculate the deviation ratio of acceleration value；
Urgency level computing unit, for calculating institute according to the velocity amplitude deviation ratio and the acceleration value deviation ratio
State the urgency level of unusual condition.
Optionally, the extension detects duration calculation module, comprising:
Extend detection duration calculation unit, when for according to the urgency level and the standard detection of the abnormality
It is long, it calculates the extension and detects duration；
Wherein, the urgency level of the abnormality is more urgent, and the extension detection duration is bigger.
Optionally, the state parameter obtains module 410, comprising:
State parameter obtainment unit, for detecting that the voice input service in the interactive system for vehicle-mounted voice is opened
Qi Shi obtains the current running state parameter of the vehicle in real time；
Wherein, the VAD services the end record length for detecting the voice input service.
Optionally, the parameter adjustment controls of the interactive system for vehicle-mounted voice, further includes:
Voice obtains module, for being set as after extending detection duration in the detection duration for servicing the VAD, obtains
In the abnormality processing stage, user's typing voice of service acquisition is inputted by the voice；
Non- command information rejects module, for rejecting the non-command information for including in user's typing voice.
Optionally, the non-command information rejects module, comprising:
Non- order information identificating unit, for identifying and using from user's typing voice according to language model is not intended to
Unconscious non-command information of the family in the abnormality processing stage；
Non- command information culling unit, for picking the unconscious non-command information from user's typing voice
It removes；
Wherein, the language model that is not intended to is using being not intended to what corpus was trained, for determining that user records
Enter whether voice belongs to unconscious non-command information.
The executable present invention of the parameter adjustment controls of interactive system for vehicle-mounted voice provided by the embodiment of the present invention is any real
The parameter regulation means for applying interactive system for vehicle-mounted voice provided by example have the corresponding functional module of execution method and beneficial to effect
Fruit.
Embodiment five
Fig. 5 is the structural schematic diagram for a kind of electronic equipment that the embodiment of the present invention five provides, as shown in figure 5, the electronics is set
Standby includes processor 50 and memory 51；The quantity of processor 50 can be one or more in equipment, be handled in Fig. 5 with one
For device 50；Processor 50 in equipment can be connected with memory 51 by bus or other modes, to pass through bus in Fig. 5
For connection.
Memory 51 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, as one of embodiment of the present invention fall interactive system for vehicle-mounted voice the corresponding program of parameter regulation means refer to
Order/module is (for example, the state parameter in the parameter adjustment controls of interactive system for vehicle-mounted voice obtains module 310, driving status is sentenced
Disconnected module 320, standard detection duration setting module 330 and extension detection duration setting module 340).Processor 50 passes through operation
Software program, instruction and the module being stored in memory 51, at the various function application and data of equipment
Reason, that is, realize the parameter regulation means of above-mentioned interactive system for vehicle-mounted voice.
This method comprises:
In vehicle travel process, the current running state parameter of the vehicle is obtained in real time；
According to the current running state parameter, the current running state of the vehicle is judged；
If it is determined that the vehicle is in normally travel state, then in the interactive system for vehicle-mounted voice, VAD is serviced
Detection duration be set as standard detection duration；
If it is determined that the vehicle is in abnormality processing stage, then set the detection duration that the VAD is serviced to
Extend detection duration；
Wherein, the extension detection duration is greater than the standard detection duration.
Memory 51 can mainly include storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to terminal.This
Outside, memory 51 may include high-speed random access memory, can also include nonvolatile memory, for example, at least a magnetic
Disk storage device, flush memory device or other non-volatile solid state memory parts.In some instances, memory 51 can be further
Including the memory remotely located relative to processor 50, these remote memories can pass through network connection to equipment.It is above-mentioned
The example of network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Embodiment six
The embodiment of the present invention six also provides a kind of storage medium comprising computer executable instructions, and the computer can be held
Row instruction by computer processor when being executed for executing a kind of parameter regulation means of interactive system for vehicle-mounted voice, this method
Include:
In vehicle travel process, the current running state parameter of the vehicle is obtained in real time；
According to the current running state parameter, the current running state of the vehicle is judged；
If it is determined that the vehicle is in normally travel state, then the VAD in the interactive system for vehicle-mounted voice is serviced
Detection duration be set as standard detection duration；
If it is determined that the vehicle is in abnormality processing stage, then set the detection duration that the VAD is serviced to
Extend detection duration；
Wherein, the extension detection duration is greater than the standard detection duration.
It certainly, include the storage medium of computer executable instructions provided by the embodiment of the present invention, computer can be held
Vehicle-mounted voice interaction provided by any embodiment of the invention can also be performed in the method operation that row instruction is not limited to the described above
Relevant operation in the parameter regulation means of system.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, in a kind of embodiment of the parameter adjustment controls of above-mentioned interactive system for vehicle-mounted voice, it is included
Each unit and module be only divided according to the functional logic, but be not limited to the above division, as long as can be real
Now corresponding function；In addition, the specific name of each functional unit is also only for convenience of distinguishing each other, it is not limited to
Protection scope of the present invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (15)
1. a kind of parameter regulation means of interactive system for vehicle-mounted voice characterized by comprising
In vehicle travel process, the current running state parameter of the vehicle is obtained in real time；
According to the current running state parameter, the current running state of the vehicle is judged；
If it is determined that the vehicle is in normally travel state, then by the speech terminals detection in the interactive system for vehicle-mounted voice
The detection duration of VAD service is set as standard detection duration；
If it is determined that the vehicle is in abnormality processing stage, then the detection duration that the VAD is serviced is set as extending
Detect duration；
Wherein, the extension detection duration is greater than the standard detection duration.
2. the method according to claim 1, wherein the driving status parameter includes: the current of the vehicle
Speed and/or current acceleration；
According to the driving status parameter, the current running state of the vehicle is judged, comprising:
According to speed and/or acceleration of the vehicle in the first setting duration, vehicle is obtained in the second setting duration
The range of predetermined speed and/or acceleration；
When detect vehicle it is described second setting duration in actual speed exceed described predetermined speed range and/or acceleration
When degree exceeds the range of the pre- measuring acceleration, determine that the vehicle is in abnormality processing stage；
When detect vehicle it is described second setting duration in actual speed and acceleration respectively described predetermined speed and plus
When in the range of speed, determine that the vehicle is in normally travel state.
3. according to the method described in claim 2, it is characterized in that, being set as extending in the detection duration for servicing the VAD
Before detection duration, comprising:
According to the range of actual speed and acceleration and described predetermined speed and/or acceleration in the second setting duration it
Between relationship, determine the urgency level of abnormality；
According to the urgency level of abnormality, calculates the extension and detect duration.
4. according to the method described in claim 3, it is characterized in that, the actual speed according in the second setting duration
Relationship between acceleration and described predetermined speed and/or the range of acceleration determines the urgency level of the abnormality,
Include:
Deviate the deviation value of the range of described predetermined speed and current according to the actual speed of vehicle in the second setting duration
Actual speed, the deviation ratio of calculating speed value；
According to it is described second setting duration in vehicle actual acceleration deviate the pre- measuring acceleration range deviation value and
Currently practical acceleration calculates the deviation ratio of acceleration value；
According to the velocity amplitude deviation ratio and the acceleration value deviation ratio, the urgency level of the unusual condition is calculated.
5. according to the method described in claim 3, it is characterized in that, calculating the extension according to the urgency level of abnormality
Detect duration, comprising:
According to the urgency level of the abnormality and the standard detection duration, calculates the extension and detect duration；
Wherein, the urgency level of the abnormality is more urgent, and the extension detection duration is bigger.
6. method according to claim 1-5, which is characterized in that obtain the current driving shape of the vehicle in real time
State parameter, comprising:
When detecting that the voice input service in the interactive system for vehicle-mounted voice is turned on, working as the vehicle is obtained in real time
Preceding traveling state parameter；
Wherein, the VAD services the end record length for detecting the voice input service.
7. according to the method described in claim 6, it is characterized in that, being set as extending in the detection duration for servicing the VAD
After detection duration, further includes:
It obtains in the abnormality processing stage, user's typing voice of service acquisition is inputted by the voice；
The non-command information for including in user's typing voice is rejected.
8. the method according to the description of claim 7 is characterized in that the non-order that will include in user's typing voice
Information is rejected, comprising:
According to language model is not intended to, identify user in the nothing of the abnormality processing stage from user's typing voice
Realize non-command information；
The unconscious non-command information is rejected from user's typing voice；
Wherein, the language model that is not intended to is using being not intended to what corpus was trained, for determining user's typing language
Whether sound belongs to unconscious non-command information.
9. a kind of parameter adjustment controls of interactive system for vehicle-mounted voice characterized by comprising
State parameter obtains module, for obtaining the current running state parameter of the vehicle in real time in vehicle travel process；
Driving status judgment module, for judging the current running state of the vehicle according to the current running state parameter；
Standard detection duration setting module, for if it is determined that the vehicle is in normally travel state, then by the vehicle-mounted language
The detection duration of VAD service in sound interactive system is set as standard detection duration；
Extend detection duration setting module, for if it is determined that the vehicle is in abnormality processing stage, then by the VAD
The detection duration of service is set as extending detection duration；
Wherein, the extension detection duration is greater than the standard detection duration.
10. device according to claim 9, which is characterized in that the driving status parameter includes: the current of the vehicle
Speed and/or current acceleration；
The driving status judgment module, comprising:
Horizon prediction unit obtains vehicle and exists for the speed and/or acceleration according to the vehicle in the first setting duration
The range of predetermined speed and/or acceleration in the second setting duration；
Abnormality determination unit, for working as the actual speed and/or acceleration that detect vehicle in the second setting duration
When spending the range beyond described predetermined speed and/or acceleration, determine that the vehicle is in abnormality processing stage；
Normal condition determination unit detects that actual speed and acceleration of the vehicle in the second setting duration exist for working as
When in the range of described predetermined speed and/or acceleration, determine that the vehicle is in normally travel state.
11. device according to claim 10, which is characterized in that the parameter of the interactive system for vehicle-mounted voice adjusts, also
Include:
Urgency level determining module, for being set as extending in the detection duration for servicing the VAD before detecting duration, according to
The pass between actual speed and acceleration and described predetermined speed and/or the range of acceleration in the second setting duration
System, determines the urgency level of abnormality；
Extend detection duration calculation module, for the urgency level according to abnormality, calculates the extension and detect duration.
12. according to device described in claim 9-11, which is characterized in that the state parameter obtains module, comprising:
State parameter obtainment unit, for being turned in the voice input service in the interactive system for vehicle-mounted voice that detects
When, the current running state parameter of the vehicle is obtained in real time；
Wherein, the VAD services the end record length for detecting the voice input service.
13. device according to claim 12, which is characterized in that the parameter of the interactive system for vehicle-mounted voice adjusts dress
It sets, further includes:
Voice obtains module, for being set as after extending detection duration in the detection duration for servicing the VAD, obtains in institute
Abnormality processing stage is stated, user's typing voice of service acquisition is inputted by the voice；
Non- command information rejects module, for rejecting the non-command information for including in user's typing voice.
14. a kind of electronic equipment, which is characterized in that the equipment includes:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now such as the parameter regulation means of interactive system for vehicle-mounted voice described in any one of claims 1-8.
15. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The parameter regulation means such as interactive system for vehicle-mounted voice described in any one of claims 1-8 are realized when execution.
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