CN113963683B - Trunk opening control method and trunk opening control system - Google Patents
Trunk opening control method and trunk opening control system Download PDFInfo
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- 238000010079 rubber tapping Methods 0.000 claims description 35
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/06—Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/08—Speech classification or search
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
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Abstract
The invention discloses a trunk opening control method, which comprises the following steps: acquiring first audio data and second audio data in a trunk area of a vehicle; judging whether the trunk area is knocked according to the first audio data and the pre-stored tone and loudness data, performing voice recognition on the second audio data, and judging whether the voice content obtained after recognition meets a preset door-opening password; when the fact that the trunk area is knocked is determined, and the voice content meets the first door opening password, carrying out feature recognition on the second audio data and extracting to obtain corresponding second voice feature information; when the second voice characteristic information is consistent with any voice characteristic information in the pre-stored voice characteristic list in comparison, controlling the vehicle trunk to be opened; the voice characteristic list records voice characteristic information of one or more passengers in the vehicle cabin; the invention can reduce the probability of false opening of the trunk, and replace the traditional trunk opening control scheme so as to adapt to the real requirement of the actual vehicle scene.
Description
Technical Field
The invention relates to the technical field of intelligent control of vehicles, in particular to a trunk opening control method and a trunk opening control system.
Background
At present, the use of automobiles is becoming more popular, and the intellectualization of automobiles is also becoming more and more important for people; among them, in the car trunk control technology, the current market mainly uses mechanical keys or pull buttons, and the latest trend car machine system mostly adopts key remote control or kick sensing technology.
In the prior art, by combining the kick motion sensing technology and the voice matching technology, when the car machine system senses the kick motion and simultaneously matches the voice of a user, the trunk is controlled to be opened. However, in the prior art, the difficulty of judging whether to kick by a machine is high, and the probability of judging misoperation by a vehicle machine is high by adopting a kick induction technology; and the voice characteristics required to be input by adopting the voice control trunk technology are completely consistent with the pre-stored voice characteristics, so that the situation is too stiff in an actual vehicle scene, and when a vehicle carries an strange passenger, the voice characteristics of the strange passenger cannot be pre-stored, so that the coverage of the voice matching technology in the prior art is not wide enough.
Therefore, there is a need in the market for a trunk opening control strategy that can reduce the probability of the trunk being opened by mistake, and replace the conventional trunk opening control scheme to adapt to the real requirements of the actual vehicle scene.
Disclosure of Invention
The invention provides a trunk opening control method and a trunk opening control system, which can reduce the probability of the trunk being opened by mistake, replace the traditional trunk opening control scheme and adapt to the real requirements of actual vehicle scenes.
In order to solve the above technical problems, an embodiment of the present invention provides a trunk opening control method, including:
acquiring first audio data and second audio data in a trunk area of a vehicle;
judging whether the trunk area is knocked according to the first audio data and pre-stored tone and loudness data, performing voice recognition on the second audio data, and judging whether voice content obtained after recognition meets a preset door opening password;
when the trunk area is determined to be tapped and the voice content meets a first door-opening password, carrying out feature recognition on the second audio data and extracting to obtain corresponding second voice feature information;
When the second voice characteristic information is consistent with any voice characteristic information in the pre-stored voice characteristic list in comparison, controlling a trunk of the vehicle to be opened; wherein the voice feature list records voice feature information of one or more passengers in the vehicle cabin.
As a preferred solution, the generating process of the voice feature list specifically includes:
And acquiring third audio data in the passenger cabin of the vehicle, performing feature recognition on the third audio data, extracting voice feature information corresponding to the passenger in the passenger cabin of the vehicle, and generating a voice feature list.
Preferably, after the generating the voice feature list, the method further includes:
acquiring third audio data in real time, carrying out feature recognition on the third audio data in a first preset time range [ a-b, a ] from the current time, and updating a voice feature list according to the newly generated voice feature information so as to ensure that the acquisition time corresponding to the voice feature information in the voice feature list is always kept in the first preset time range from the current time; wherein a is the current time, and b is a preset time threshold.
Preferably, after the judging whether the voice content obtained after the recognition meets the preset door-opening password, the method further comprises: and when the trunk area is determined not to be tapped and the voice content meets a second door-opening password, carrying out feature recognition on the second audio data and extracting to obtain corresponding second voice feature information.
As a preferred solution, the step of determining whether the trunk area is knocked according to the first audio data and the pre-stored tone color and loudness data specifically includes:
extracting a tone value and a loudness value of the first audio data;
When the tone color value and the loudness value are determined to be in the numerical range of the pre-stored tone color and loudness data, determining that a tapping action occurs;
When the interval time of two adjacent tapping actions is not more than a second preset time range, determining that the currently-occurring tapping action is a continuous tapping action;
when the number of continuous tapping actions reaches a preset number, determining that a tapping instruction occurs in the trunk area.
Preferably, the preset number of times is 2 times.
As a preferred scheme, the establishing process of the numerical range of the pre-stored tone color and loudness data specifically includes:
The method comprises the steps of obtaining a tone color and loudness data sample of a tapping sound by tapping the vehicle trunk area;
and after the timbre and loudness data samples are processed, timbre and loudness data in the high-confidence interval are extracted and used as the numerical range of pre-stored timbre and loudness data.
Preferably, the step of tapping the trunk area of the vehicle specifically includes: normally knocking the trunk area of the vehicle through hands of a user; wherein the number of taps is multiple times; the tapping positions are multiple positions.
Preferably, the hand is specifically an index finger back or a middle finger back.
Another embodiment of the present invention correspondingly provides a trunk opening control system, including: the vehicle central control system, the voice recognition module arranged in the passenger cabin of the vehicle and the pick-up head arranged in the trunk area of the vehicle;
The pick-up head is used for collecting first audio data and second audio data in a trunk area of the vehicle;
The voice recognition module is used for collecting third audio data in the passenger cabin of the vehicle;
the vehicle center control system is configured to execute the trunk opening control method according to any one of the above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
1. the invention provides a trunk opening control method and a trunk opening control system, wherein the trunk opening is controlled by double matching judgment through a tapping instruction and voice recognition; by combining the voice characteristic information with a pre-stored voice characteristic list for matching and comparing, the voice of the passenger on the vehicle can be used as a key for opening the trunk, voice misoperation sent by passers-by outside the vehicle is prevented from triggering the trunk to be opened, the probability of the trunk to be opened by mistake is reduced, and the traditional trunk opening control scheme is replaced, so that the real requirement of an actual vehicle scene is met.
2. By updating the voice feature list in real time, the acquisition time corresponding to the voice feature information in the voice feature list is always kept within a first preset time range from the current time, the user triggering the trunk to be opened is guaranteed to be the passenger on the current vehicle to the greatest extent, the passenger carried in front of the vehicle is prevented from still having the right of triggering the trunk to be opened after a period of time, and the safety and reliability of the vehicle are further guaranteed.
3. According to the different occurrence states of the tapping instructions and the different voice contents, diversified trigger judgment conditions are provided, and the practicability of the technical scheme of the invention is further improved.
Drawings
Fig. 1: a schematic flow chart of a trunk opening control method provided by the embodiment of the invention;
fig. 2: a schematic flow chart of a trunk opening control method provided in the third embodiment of the present invention;
fig. 3: the invention provides a structure schematic diagram of a trunk opening control system correspondingly for another embodiment.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a flowchart of a trunk opening control method provided by an embodiment of the present invention includes steps 101 to 104, where the steps are as follows:
Step 101, acquiring first audio data and second audio data in a trunk area of a vehicle.
Specifically, when a user needs to open the trunk, an occupant on the vehicle gets off the vehicle and then reaches the trunk position, ready to open the trunk. At this time, first audio data in the trunk area of the vehicle, which is voice data emitted by a passenger getting off from the trunk being tapped in the trunk area, is collected by the voice collection device. Meanwhile, second audio data in the trunk area of the vehicle is acquired through the voice acquisition equipment, wherein the second audio data refers to voice contents for opening the trunk before, during or after the passenger taps the trunk.
Step 102, judging whether the trunk area is knocked according to the first audio data and pre-stored tone color and loudness data, performing voice recognition on the second audio data, and judging whether the voice content obtained after recognition meets a preset door opening password.
In this embodiment, in step 102, according to the first audio data and the pre-stored tone color and loudness data, the step of determining whether the trunk area is tapped specifically includes: step 1021, extracting the tone value and the loudness value of the first audio data; step 1022, determining that a tapping action occurs when determining that the tone color value and the loudness value are both within the numerical range of the pre-stored tone color and loudness data; step 1023, when the interval time of two adjacent tapping actions is not more than a second preset time range, determining that the current tapping action is a continuous tapping action; step 1024, when it is determined that the number of continuous tapping actions reaches the preset number of times, determining that a tapping instruction occurs in the trunk area. In this embodiment, the preset number of times is 2.
In this embodiment, the establishing process of the numerical range of the tone color and loudness data pre-stored in step 1022 specifically includes: step 10221, obtaining a tone and loudness data sample of the tapping sound by tapping the trunk area of the vehicle; step 10222, after processing the timbre and loudness data samples, extracting timbre and loudness data in the high confidence interval as a numerical range of pre-stored timbre and loudness data.
In this embodiment, the step 10221 of tapping the trunk area of the vehicle specifically includes: normally knocking the trunk area of the vehicle through hands of a user; wherein the number of taps is multiple times; the tapping positions are multiple positions. In this embodiment, the hand is specifically the back of the index finger or the back of the middle finger.
Specifically, in order to identify the sound of the passenger beating the trunk to trigger the judgment condition, the pre-stored tone and loudness numerical range is required to be stored in the vehicle central control system in advance, and the tone and loudness data of the sound of the trunk beating can be combined with a large number of vehicle templates to be generated, and the parts of the high-confidence intervals are extracted through processing. That is, the history data is created in advance by the user's normal tap of the trunk sound in tone and loudness intervals of the back of the finger (e.g., bending of the index finger, middle finger) so that the trunk can be correctly recognized when the trunk is normally tapped.
And step 103, when the trunk area is determined to be tapped and the voice content meets a first door-opening password, carrying out feature recognition on the second audio data and extracting to obtain corresponding second voice feature information.
Specifically, application scenario one of the present embodiment: the get-off passenger continuously and normally (moderately) taps the trunk with the finger backs (bending of the index finger) for more than 2 times and speaks a subset B of the voice content set { "open", "open trunk" }, the vehicle central control system extracts voice characteristic information, and the vehicle central control system judges that the trunk opening condition is met by matching with any one of the stored lists, executes the trunk opening action, and the vehicle central control system executes the trunk opening action. [ for the passenger to unlock the door by oneself and get things off, click the trunk and accompany the language request of opening the trunk ].
104, When the second voice characteristic information is consistent with any voice characteristic information in the pre-stored voice characteristic list in comparison, controlling a trunk of the vehicle to be opened; wherein the voice feature list records voice feature information of one or more passengers in the vehicle cabin.
In this embodiment, the generating process of the voice feature list in the step 104 specifically includes: and acquiring third audio data in the passenger cabin of the vehicle, performing feature recognition on the third audio data, extracting voice feature information corresponding to the passenger in the passenger cabin of the vehicle, and generating a voice feature list.
Specifically, one or more occupants are installed in the vehicle, and third audio data in the vehicle passenger compartment is acquired by the vehicle central control system when the vehicle central control system is started to operate. Wherein the third audio data refers to speech content of the occupant speaking in the vehicle, and the third audio data may be speech content including one or more of the occupant speaking. And then, carrying out feature recognition on the acquired third audio data, extracting voice feature information of personnel in the passenger cabin, and forming a voice feature list for storage according to one or more pieces of voice feature information of each passenger.
The invention provides a trunk opening control method, which is used for carrying out double-matching judgment and controlling the trunk opening through a tapping instruction and voice recognition; by combining the voice characteristic information with a pre-stored voice characteristic list for matching and comparing, the voice of the passenger on the vehicle can be used as a key for opening the trunk, voice misoperation sent by passers-by outside the vehicle is prevented from triggering the trunk to be opened, the probability of the trunk to be opened by mistake is reduced, and the traditional trunk opening control scheme is replaced, so that the real requirement of an actual vehicle scene is met.
Example two
Compared to the first embodiment, the second embodiment further includes, after the generating the voice feature list:
acquiring third audio data in real time, carrying out feature recognition on the third audio data in a first preset time range [ a-b, a ] from the current time, and updating a voice feature list according to the newly generated voice feature information so as to ensure that the acquisition time corresponding to the voice feature information in the voice feature list is always kept in the first preset time range from the current time; wherein a is the current time, and b is a preset time threshold.
Specifically, the voice characteristics of personnel in the passenger cabin in the last period of time T are analyzed and stored to form a voice characteristic list. It should be noted that, the last period of time T (the first preset time range) may be changed and modified according to the actual requirement, and the specific range of the time T is not a limiting condition for limiting the protection scope of the technical scheme of the present invention.
According to the embodiment, the voice feature list is updated in real time, so that the acquisition time corresponding to the voice feature information in the voice feature list is always kept within the first preset time range from the current time, the user triggering the trunk to open is ensured to be the passenger on the current vehicle to the greatest extent, the passenger carried in front of the vehicle is prevented from still having the authority of triggering the trunk to open after a period of time, and the safety reliability of the vehicle is further ensured.
Example III
Referring to fig. 2, a flow chart of a trunk opening control method according to a third embodiment of the present invention is shown, and compared with any of the above embodiments, the trunk opening control method according to the present embodiment further includes, after determining whether the voice content obtained after the recognition meets a preset door opening password: step 2032, when it is determined that no tapping occurs in the trunk area, and the voice content satisfies a second door-opening password, performing feature recognition on the second audio data, and extracting to obtain corresponding second voice feature information.
The embodiment provides a second application scenario for triggering the trunk to be opened. Specifically, scenario two: when personnel in the passenger cabin move to a trunk, a contracted sentence such as voice content A 'xiaoqixiaoqi' is spoken, the trunk is opened, a trunk pick-up head collects voice information, a signal is transmitted to a vehicle central control, the central control extracts whether voice recognition voice content is the contracted voice content A, if so, voice characteristic information is continuously extracted, the trunk is judged to be opened by matching with any one of the stored lists, and the trunk opening condition is judged to be met, so that the trunk opening action is executed; the grammar of the content is strict, and ' small chessman ' must be added, so that ' open trunk ' false triggering ' in a general scene dialogue is avoided. Therefore, in practical application, the grammar composition requirement of the second password is higher than that of the first password.
According to the embodiment, diversified trigger judgment conditions are provided according to different occurrence states of the tapping instruction and different voice contents, so that the practicability of the technical scheme of the invention is further improved.
Example IV
Referring to fig. 3, a schematic structural diagram of a trunk opening control system according to another embodiment of the present invention is provided, where the system includes: the vehicle central control system, the voice recognition module arranged in the passenger cabin of the vehicle and the pick-up head arranged in the trunk area of the vehicle;
the pick-up head is used for collecting first audio data and second audio data in a trunk area of the vehicle; the voice recognition module is used for collecting third audio data in the passenger cabin of the vehicle; the vehicle center control system is configured to execute the trunk opening control method according to any one of the above.
Specifically, in order to identify the sound of the passenger beating the trunk to trigger the judgment condition, the pre-stored tone and loudness numerical range is required to be stored in the vehicle central control system in advance, and the tone and loudness data of the sound of the trunk beating can be combined with a large number of vehicle templates to be generated, and the parts of the high-confidence intervals are extracted through processing. That is, the history data is created in advance by the user's normal tap of the trunk sound in tone and loudness intervals of the back of the finger (e.g., bending of the index finger, middle finger) so that the trunk can be correctly recognized when the trunk is normally tapped.
When one or more passengers are carried in the vehicle, the vehicle central control system starts working, and third audio data in the passenger cabin of the vehicle are acquired by the vehicle central control system. Wherein the third audio data refers to speech content of the occupant speaking in the vehicle, and the third audio data may be speech content including one or more of the occupant speaking. And then, carrying out feature recognition on the acquired third audio data, extracting voice feature information of personnel in the passenger cabin, and forming a voice feature list for storage according to one or more pieces of voice feature information of each passenger. Further, the voice characteristics of the personnel in the passenger cabin in the last period of time T are analyzed and stored to form a voice characteristic list. It should be noted that, the last period of time T (the first preset time range) may be changed and modified according to the actual requirement, and the specific range of the time T is not a limiting condition for limiting the protection scope of the technical scheme of the present invention.
When a user needs to open the trunk, an occupant on the vehicle gets off and then reaches the trunk position, ready to open the trunk. At this time, first audio data in the trunk area of the vehicle, which is voice data emitted by a passenger getting off from the trunk being tapped in the trunk area, is collected by the voice collection device. Meanwhile, second audio data in the trunk area of the vehicle is acquired through the voice acquisition equipment, wherein the second audio data refers to voice contents for opening the trunk before, during or after the passenger taps the trunk.
At this time, there are two scenarios: application scenario one: the get-off passenger continuously and normally (moderately) taps the trunk with the finger backs (bending of the index finger) for more than 2 times and speaks a subset B of the voice content set { "open", "open trunk" }, the vehicle central control system extracts voice characteristic information, and the vehicle central control system judges that the trunk opening condition is met by matching with any one of the stored lists, executes the trunk opening action, and the vehicle central control system executes the trunk opening action. [ for the passenger to unlock the door by oneself and get things off, click the trunk and accompany the language request of opening the trunk ]. Application scenario two: when personnel in the passenger cabin move to a trunk, a contracted sentence such as voice content A 'xiaoqixiaoqi' is spoken, the trunk is opened, a trunk pick-up head collects voice information, a signal is transmitted to a vehicle central control, the central control extracts whether voice recognition voice content is the contracted voice content A, if so, voice characteristic information is continuously extracted, the trunk is judged to be opened by matching with any one of the stored lists, and the trunk opening condition is judged to be met, so that the trunk opening action is executed; the grammar of the content is strict, and ' small chessman ' must be added, so that ' open trunk ' false triggering ' in a general scene dialogue is avoided. Therefore, in practical application, the grammar composition requirement of the second password is higher than that of the first password.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. A trunk opening control method, characterized by comprising:
acquiring first audio data and second audio data in a trunk area of a vehicle;
judging whether the trunk area is knocked according to the first audio data and pre-stored tone and loudness data, performing voice recognition on the second audio data, and judging whether voice content obtained after recognition meets a preset door opening password;
when the trunk area is determined to be tapped and the voice content meets a first door-opening password, carrying out feature recognition on the second audio data and extracting to obtain corresponding second voice feature information;
When the second voice characteristic information is consistent with any voice characteristic information in the pre-stored voice characteristic list in comparison, controlling a trunk of the vehicle to be opened; wherein, the voice characteristic list records voice characteristic information of one or more passengers in the vehicle cabin;
the step of judging whether the trunk area is knocked according to the first audio data and the pre-stored tone color and loudness data comprises the following steps:
extracting a tone value and a loudness value of the first audio data;
When the tone color value and the loudness value are determined to be in the numerical range of the pre-stored tone color and loudness data, determining that a tapping action occurs;
the establishing process of the numerical range of the prestored tone color and loudness data specifically comprises the following steps:
The method comprises the steps of obtaining a tone color and loudness data sample of a tapping sound by tapping the vehicle trunk area;
and after the timbre and loudness data samples are processed, timbre and loudness data in the high-confidence interval are extracted and used as the numerical range of pre-stored timbre and loudness data.
2. The trunk opening control method according to claim 1, wherein the voice feature list generation process specifically includes:
And acquiring third audio data in the passenger cabin of the vehicle, performing feature recognition on the third audio data, extracting voice feature information corresponding to the passenger in the passenger cabin of the vehicle, and generating a voice feature list.
3. The trunk opening control method according to claim 2, further comprising, after the generating of the voice feature list:
And acquiring third audio data in real time, carrying out feature recognition on the third audio data within a first preset time range [ a-b, a ] from the current time, and updating a voice feature list according to the newly generated voice feature information so as to ensure that the acquisition time corresponding to the voice feature information in the voice feature list is always kept within the first preset time range from the current time, wherein a is the current time, and b is a preset time threshold.
4. The trunk opening control method according to claim 1, wherein after said judging whether the voice content obtained after the recognition satisfies a preset door opening password, further comprising: and when the trunk area is determined not to be tapped and the voice content meets a second door-opening password, carrying out feature recognition on the second audio data and extracting to obtain corresponding second voice feature information.
5. The trunk opening control method of claim 1, wherein the step of judging whether the trunk area is tapped or not based on the first audio data and pre-stored tone color and loudness data, further comprises:
When the interval time of two adjacent tapping actions is not more than a second preset time range, determining that the currently-occurring tapping action is a continuous tapping action;
when the number of continuous tapping actions reaches a preset number, determining that a tapping instruction occurs in the trunk area.
6. The trunk opening control method according to claim 1, wherein the step of tapping the vehicle trunk area is specifically: normally knocking the trunk area of the vehicle through hands of a user; wherein the number of taps is multiple times; the tapping positions are multiple positions.
7. The trunk opening control method of claim 6, wherein the hand is particularly an index finger back or a middle finger back.
8. A trunk opening control system, comprising: the vehicle central control system, the voice recognition module arranged in the passenger cabin of the vehicle and the pick-up head arranged in the trunk area of the vehicle;
The pick-up head is used for collecting first audio data and second audio data in a trunk area of the vehicle;
The voice recognition module is used for collecting third audio data in the passenger cabin of the vehicle;
the vehicle center control system is configured to execute the trunk opening control method according to any one of claims 1 to 7.
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| JP2000080828A (en) * | 1998-09-07 | 2000-03-21 | Denso Corp | Vehicle control device |
| KR20140058720A (en) * | 2012-11-05 | 2014-05-15 | 현대자동차주식회사 | Operating apparatus for vehicle |
| KR20150086908A (en) * | 2014-01-21 | 2015-07-29 | 자동차부품연구원 | Vehicle control apparatus and method using voice or gesture |
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