CN113113011A - Vehicle-mounted voiceprint control device and method - Google Patents
Vehicle-mounted voiceprint control device and method Download PDFInfo
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- CN113113011A CN113113011A CN202110396977.XA CN202110396977A CN113113011A CN 113113011 A CN113113011 A CN 113113011A CN 202110396977 A CN202110396977 A CN 202110396977A CN 113113011 A CN113113011 A CN 113113011A
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- 230000001276 controlling effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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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
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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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
- G10L17/00—Speaker identification or verification
- G10L17/02—Preprocessing operations, e.g. segment selection; Pattern representation or modelling, e.g. based on linear discriminant analysis [LDA] or principal components; Feature selection or extraction
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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
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
Abstract
The invention belongs to the field of intelligent voice control, and provides a vehicle-mounted voiceprint control device and a control method, wherein the device comprises the following steps: the voiceprint storage module is used for registering and storing a first voiceprint characteristic of a user in advance; the voice print acquisition module is used for acquiring and extracting a second voice print characteristic in the voice information of the user; the voiceprint recognition module compares the second voiceprint characteristics extracted by the voiceprint acquisition module with the first voiceprint characteristics stored by the voiceprint storage module; and the voiceprint recognition module transmits the comparison information to the vehicle-mounted control module, and the vehicle-mounted control module performs corresponding actions. The method comprises the following steps: step S1: registering and storing a first voiceprint feature of a user in advance; step S2: collecting and extracting a second voiceprint feature in the voice information of the user; step S3: comparing the second voiceprint feature to the first voiceprint feature; step S4: and transmitting the comparison information in the step S3 to the vehicle-mounted control module, and performing corresponding actions by the vehicle-mounted control module.
Description
Technical Field
The invention belongs to the field of intelligent voice control, and particularly relates to a vehicle-mounted voiceprint control device and method.
Background
Under the situation of high-speed development of current artificial intelligence, along with the continuous improvement of people on vehicle performance and safety requirements, an automobile control system is more and more humanized and intelligent, and voice control is gradually valued by people as a new control means.
When a driver of the vehicle opens and closes the vehicle door and the trunk, especially when both hands are occupied, for example: when a vehicle owner carries more articles to place the articles in a vehicle, hands are inevitably required to be vacated or the vehicle door or the trunk is opened after the articles are placed, so that manual operation is time-consuming and labor-consuming.
On the safety performance, the current vehicle-mounted equipment is controlled in a manual contact mode, and if switches of an air conditioner, music, a lighting lamp, a skylight and the like of the vehicle-mounted equipment need to be controlled when an automobile runs, the sight needs to be transferred to a control panel for corresponding operation, so that the operation is inconvenient, and the driving danger is increased by the behavior in the driving process.
Disclosure of Invention
In addition, the invention provides dual services of voice and voiceprint, which can distinguish the identity of the owner and avoid the voiceprint system of the vehicle from being awakened by people except the owner.
The invention provides a vehicle-mounted voiceprint control device, which comprises:
the voiceprint storage module is used for registering and storing a first voiceprint characteristic of a user in advance;
the voice print acquisition module is used for acquiring and extracting a second voice print characteristic in the voice information of the user;
the voiceprint recognition module is used for comparing the second voiceprint characteristics extracted by the voiceprint acquisition module with the first voiceprint characteristics stored by the voiceprint storage module;
and the voiceprint recognition module transmits the comparison information to the vehicle-mounted control module, and the vehicle-mounted control module performs corresponding actions.
Preferably, the apparatus further includes a voiceprint enhancement module, where the voiceprint enhancement module receives the first voiceprint feature information transmitted from the voiceprint storage module, and enhances the received first voiceprint feature.
Preferably, the device further comprises a microphone assembly connected with the voiceprint acquisition module and used for collecting voice transmitted by the user.
Preferably, the voiceprint recognition module further comprises a voiceprint comparison module, and the voiceprint comparison module is configured to receive and compare the first voiceprint feature and the second voiceprint feature.
Preferably, the device further comprises an instruction identification module, and the vehicle-mounted control module receives the processing information of the voiceprint identification module, processes the processing information through the instruction identification module, and executes corresponding actions on the vehicle.
Preferably, the device further comprises a control terminal, and the control terminal is used for receiving the instruction of the instruction identification module and transmitting the instruction to the vehicle.
The invention also provides a vehicle-mounted voiceprint control method, which comprises the vehicle-mounted voiceprint control device in the technical scheme, and the method comprises the following steps:
step S1: registering and storing a first voiceprint feature of a user in advance;
step S2: collecting and extracting a second voiceprint feature in the voice information of the user;
step S3: comparing the second voiceprint feature to the first voiceprint feature;
step S4: and transmitting the comparison information in the step S3 to an on-board control module, and carrying out corresponding actions by the on-board control module.
Preferably, the method further comprises step S12: the first voiceprint feature in said step S1 is enhanced.
The invention has the beneficial effects that:
(1) according to the invention, the vehicle-mounted voiceprint control device is arranged on the vehicle, the vehicle key or the mobile phone Bluetooth is used in the connectable range, the vehicle-mounted voiceprint control device is self-paired and started, so that the vehicle owner can open the vehicle door or the trunk by using the voice control of the external microphone of the vehicle when approaching the vehicle, but if the vehicle owner is near the vehicle, the vehicle-mounted voiceprint control device is self-paired and started, other people speak a voice command for opening the vehicle door or the trunk, and the application of voice and voiceprint can avoid the condition that other people open the vehicle door or the trunk.
(2) The vehicle driver can be in a certain range close to the vehicle, the vehicle key or the associated equipment is automatically paired through a low-frequency polling system of the vehicle, the vehicle wakes up a vehicle-mounted voice + voiceprint control system in advance, and the driver can open or close a vehicle door and a trunk through voice and can also control other vehicle-mounted equipment.
(3) The vehicle-mounted voiceprint control device is added with a voiceprint recognition function module, so that a vehicle owner can allow a voice to control a user of the vehicle-mounted equipment to input voiceprint information, and then the voice password of the vehicle owner and a non-vehicle owner can be detected, and other people are prevented from controlling the vehicle-mounted equipment.
(4) The vehicle-mounted voiceprint control device avoids the hand-touch behavior of the vehicle during running, is convenient to control and greatly improves the driving safety.
Drawings
FIG. 1 is a block diagram of a system apparatus of the present invention;
FIG. 2 is a schematic overall flow chart of the present invention.
Description of reference numerals:
100. a voiceprint storage module; 200. a voiceprint acquisition module; 300. a voiceprint recognition module; 310. a voiceprint comparison module; 400. a vehicle-mounted control module; 500. a voiceprint enhancement module; 600. a microphone assembly; 700. an instruction identification module; 800. and controlling the terminal.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
Example one
As shown in fig. 1, the present invention provides a vehicle-mounted voiceprint control apparatus, comprising:
a voiceprint storage module 100, configured to register and store a first voiceprint feature of a user in advance;
the voiceprint acquisition module 200 is configured to acquire and extract a second voiceprint feature in the voice information of the user;
the voiceprint recognition module 300 compares the second voiceprint features extracted by the voiceprint acquisition module 200 with the first voiceprint features stored by the voiceprint storage module 100;
the vehicle-mounted control module 400 and the voiceprint recognition module 300 transmit the comparison information to the vehicle-mounted control module 400, and the vehicle-mounted control module 400 performs corresponding actions.
The specific way of acquiring the first voiceprint feature by the voiceprint storage module 100 includes but is not limited to: and setting a fixed phrase according to the user requirement, and performing voiceprint registration and verification. The foregoing fixed phrase suggests no less than 6 Chinese characters, and does not contain repeated characters, which facilitates extraction of more complex voiceprint features. For example: "please open the trunk," dialect and other languages may also be supported.
The specific way in which the voiceprint capture module 200 captures the second voiceprint feature includes, but is not limited to: the vehicle-mounted voiceprint control device collects audio in a certain range of the vehicle through a sound receiving device (such as a microphone assembly 600 and the like), wherein the certain range refers to a distance of 5 meters to 10 meters from the vehicle or the inside of the vehicle.
Specifically, the working principle of the vehicle-mounted voiceprint control device is as follows: first voiceprint characteristics (awakening words and voiceprint characteristic information) are input through a voiceprint storage module 100 in the vehicle-mounted voiceprint control device, after registration is completed, a user can say the awakening words in a sound collection range inside and outside a vehicle, the vehicle-mounted voiceprint control device is awakened, and the user controls opening and closing of a vehicle door and a trunk or regulates and controls vehicle-mounted equipment such as an air conditioner and music through a voiceprint verification mode.
In addition, a user can only wake up part of modules of the vehicle-mounted voiceprint control device by speaking the wake-up words within the sound collection range inside and outside the vehicle, so that unnecessary modules are prevented from being woken up and not required to be used, the wake-up modules consume electric energy in a standby state, the matching among the modules in the device is not intelligent and compact enough, and the energy consumption is reduced by only waking up part of necessary modules or unnecessary modules to use a low-power-consumption state. For example, only the voiceprint collection module 200 and the voiceprint recognition module 300 are woken up, because the voiceprint collection module 200 collects the second voiceprint features, and the voiceprint recognition module 300 compares the second voiceprint features extracted by the voiceprint collection module 200 with the first voiceprint features pre-stored in the voiceprint storage module 100 to obtain the first voiceprint features different from the second voiceprint features, that is, the source of the voiceprint features collected in the sound collection range is not the owner or the user storing the voice information in the vehicle, at this time, the vehicle-mounted control module 400 does not need to execute any action, and accordingly, the vehicle-mounted control module 400 does not need to be woken up.
Preferably, the apparatus further includes a voiceprint enhancement module 500, and the voiceprint enhancement module 500 receives the first voiceprint feature information transmitted from the voiceprint storage module 100 and enhances the received first voiceprint feature. In detail, the process of enhancing the voiceprint feature by the voiceprint enhancement module 500 includes the following cases: the user reads out the fixed phrase with stable tone in a relatively quiet environment, and after the registration is completed, the reinforcement times are required to be not less than 2 times so as to extract more complex voiceprint features and reinforce the voiceprint feature model.
Preferably, the apparatus further comprises a microphone assembly 600 connected to the voiceprint acquisition module 200 for collecting the voice transmitted by the user. The microphone assembly 600 is installed in a sound collecting range inside and outside a vehicle, generally in the vehicle, and is used for a user to send a command to a vehicle-mounted voiceprint control device when the user is in the vehicle. When the microphone assembly 600 is used to collect voice information outside the vehicle, the microphone assembly 600 is preferably of a type having an excellent sound reception function.
Preferably, the voiceprint recognition module 300 further comprises a voiceprint comparison module 310, the voiceprint comparison module 310 being configured to receive and compare the first voiceprint feature and the second voiceprint feature. The voiceprint comparison module 310 comprises a module with a calculation function, compares the first voiceprint feature of the voiceprint storage module 100 with the second voiceprint feature of the voiceprint acquisition module 200 in the module with the calculation function, and transmits the comparison result to the onboard control module 400 in a form recognizable by the onboard control module 400. The recognition result of the voiceprint recognition module 300 is divided into two types, the first case is that the first voiceprint feature and the second voiceprint feature are the same or the error is in the error range stored in the module of the calculation function, and the user of the sound source is determined to be the owner of the vehicle or the user of the audio stored in the vehicle. And the second condition is that the first voiceprint characteristic and the second voiceprint characteristic are different or the error exceeds the error range stored by the module of the calculation function, and the user of the sound source is judged to be other people.
Preferably, the device further comprises an instruction recognition module 700, and the vehicle-mounted control module 400 receives the processing information of the voiceprint recognition module 300, and performs corresponding actions on the vehicle through the processing of the instruction recognition module 700. The execution time of the instruction recognition module 700 is after the voiceprint recognition module 300, and is mainly used for determining that the user of the sound source is the owner of the vehicle or the user storing the audio in the vehicle when the first voiceprint feature is the same as the second voiceprint feature or the error is within the error range stored in the module of the calculation function, and then recognizing the instruction of the user, such as: the user is outside the vehicle, and the user instruction is 'open the vehicle door' or 'open the trunk'; when a user is in the vehicle, the user's instruction is one or more of ' turn on vehicle music ' or ' turn on air conditioner ' and ' turn on light '. The command such as "open the door" or "open the trunk" is also referred to as a wakeup word. In particular, the instruction recognition module 700 is identical to the pre-stored first voiceprint feature based on the second voiceprint feature of the user. Specifically, for example, when the user registers the first voiceprint feature in the voiceprint storage module 100 in advance, it is registered that the door is opened, and the second voiceprint feature extracted by the voiceprint collection module 200 is also "door opened" instead of "air conditioner opened" or "light opened".
Preferably, the apparatus further comprises a control terminal 800, and the control terminal 800 is configured to receive the instruction from the instruction recognition module 700 and transmit the instruction to the vehicle. The control terminal 800 is used for intelligently linking the vehicle and the vehicle-mounted system and executing the identified user instruction.
The invention also provides a vehicle-mounted voiceprint control method, as shown in fig. 2, including the vehicle-mounted voiceprint control device, the vehicle-mounted voiceprint control method includes the following steps:
step S1: registering and storing a first voiceprint feature of a user in advance;
step S2: collecting and extracting a second voiceprint feature in the voice information of the user;
step S3: comparing the second voiceprint feature to the first voiceprint feature;
step S4: the comparison information in step S3 is transmitted to the in-vehicle control module 400, and the in-vehicle control module 400 performs corresponding operations.
Preferably, the method further comprises step S12: the first voiceprint feature in step S1 is emphasized.
Preferably, the method of the present invention further comprises step S5: whether the second voiceprint characteristic and the first voiceprint characteristic are in an error range or not is calculated, and because the sound characteristics of the same user can not be completely consistent under different conditions, the step S5 is added, the error between the second voiceprint characteristic of the audio in the acquisition range and the prestored first voiceprint characteristic is judged to be in an allowable range, and the user can be judged to be a command-sending user, namely, a vehicle owner or a user storing the audio in the vehicle, so that the accuracy of the device is improved, the judgment error is reduced, and the satisfaction degree of the user is improved.
Example two
When the vehicle-mounted voiceprint control device is matched with the CAN bus for use, when a vehicle is in an ignition state, the CAN bus detects a vehicle speed state, and when the vehicle speed is greater than zero, the opening and closing functions of a vehicle door are forbidden to be controlled through voice; when the detected vehicle speed is equal to zero, the CAN bus automatically wakes up the vehicle-mounted voiceprint control device, and the driver CAN open the vehicle door through voice.
Specifically, when the vehicle is in a flameout state, the CAN bus starts a low-energy-consumption remote pairing function, the low-frequency antenna delays and polls the pairing device, and when a vehicle key or mobile phone Bluetooth of a driver appears in a pairing range and is successfully paired, the vehicle-mounted voiceprint control device is started and the system is awakened, so that the driver CAN control the opening or closing of a vehicle door and a trunk through the voiceprint acquisition module 200 arranged outside the vehicle when approaching the vehicle; otherwise, the vehicle pairing device is continuously polled if the pairing fails.
According to the invention, the vehicle-mounted voiceprint control device is arranged on the vehicle, the vehicle key or the mobile phone Bluetooth is used in the connectable range, the vehicle-mounted voiceprint control device is self-paired and started, so that the vehicle owner can open the vehicle door or the trunk by using the voice control of the external microphone of the vehicle when approaching the vehicle, but if the vehicle owner is near the vehicle, the vehicle-mounted voiceprint control device is self-paired and started, other people speak a voice command for opening the vehicle door or the trunk, and the application of voice and voiceprint can avoid the condition that other people open the vehicle door or the trunk.
The vehicle driver can be in a certain range close to the vehicle, the vehicle key or the associated equipment is automatically paired through a low-frequency polling system of the vehicle, the vehicle wakes up a vehicle-mounted voice + voiceprint control system in advance, and the driver can open or close a vehicle door and a trunk through voice and can also control other vehicle-mounted equipment.
The vehicle-mounted voiceprint control device is added with a voiceprint recognition function module, so that a vehicle owner can allow a voice to control a user of the vehicle-mounted equipment to input voiceprint information, and then the voice password of the vehicle owner and a non-vehicle owner can be detected, and other people are prevented from controlling the vehicle-mounted equipment.
The vehicle-mounted voiceprint control device avoids the hand-touch behavior of the vehicle during running, is convenient to control and greatly improves the driving safety.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. An on-vehicle voiceprint control apparatus, said apparatus comprising:
the voiceprint storage module is used for registering and storing a first voiceprint characteristic of a user in advance;
the voice print acquisition module is used for acquiring and extracting a second voice print characteristic in the voice information of the user;
the voiceprint recognition module is used for comparing the second voiceprint characteristics extracted by the voiceprint acquisition module with the first voiceprint characteristics stored by the voiceprint storage module;
and the voiceprint recognition module transmits the comparison information to the vehicle-mounted control module, and the vehicle-mounted control module performs corresponding actions.
2. The vehicle-mounted voiceprint control device according to claim 1, further comprising a voiceprint enhancement module, wherein the voiceprint enhancement module receives the first voiceprint feature information transmitted from the voiceprint storage module and enhances the received first voiceprint feature.
3. The vehicle-mounted voiceprint control apparatus according to claim 1 or 2, wherein said apparatus further comprises a microphone assembly connected to said voiceprint acquisition module for collecting voice transmitted by a user.
4. The vehicle-mounted voiceprint control apparatus according to claim 1 or 2, wherein the voiceprint recognition module further comprises a voiceprint comparison module, and the voiceprint comparison module is configured to receive and compare the first voiceprint feature and the second voiceprint feature.
5. The vehicle-mounted voiceprint control device according to claim 1, further comprising an instruction recognition module, wherein the vehicle-mounted control module receives the processing information of the voiceprint recognition module, and executes corresponding actions on the vehicle through the processing of the instruction recognition module.
6. The vehicle-mounted voiceprint control device according to claim 5, further comprising a control terminal, wherein the control terminal is used for receiving the instruction of the instruction identification module and transmitting the instruction to the vehicle.
7. A vehicle-mounted voiceprint control method comprising the vehicle-mounted voiceprint control apparatus of claim 1, said method comprising the steps of:
step S1: registering and storing a first voiceprint feature of a user in advance;
step S2: collecting and extracting a second voiceprint feature in the voice information of the user;
step S3: comparing the second voiceprint feature to the first voiceprint feature;
step S4: and transmitting the comparison information in the step S3 to an on-board control module, and carrying out corresponding actions by the on-board control module.
8. The vehicle-mounted voiceprint control method according to claim 7, further comprising step S12: the first voiceprint feature in said step S1 is enhanced.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115278599A (en) * | 2022-08-02 | 2022-11-01 | 润芯微科技(江苏)有限公司 | Vehicle identification control terminal based on wireless communication and vehicle control method |
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| CN110910871A (en) * | 2019-07-30 | 2020-03-24 | 中国第一汽车股份有限公司 | Vehicle action control method and automobile |
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- 2021-04-13 CN CN202110396977.XA patent/CN113113011A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104575492A (en) * | 2014-12-31 | 2015-04-29 | 深圳市航盛电子股份有限公司 | Voiceprint recognition method, device and keyless safety lock system and implementing method |
| CN110910871A (en) * | 2019-07-30 | 2020-03-24 | 中国第一汽车股份有限公司 | Vehicle action control method and automobile |
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