CN111883119A - Vehicle-mounted loudspeaker adjusting device and method - Google Patents

Vehicle-mounted loudspeaker adjusting device and method Download PDF

Info

Publication number
CN111883119A
CN111883119A CN202010681975.0A CN202010681975A CN111883119A CN 111883119 A CN111883119 A CN 111883119A CN 202010681975 A CN202010681975 A CN 202010681975A CN 111883119 A CN111883119 A CN 111883119A
Authority
CN
China
Prior art keywords
vehicle
signal
determining
control
voice
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010681975.0A
Other languages
Chinese (zh)
Inventor
张宇航
曾桂华
纪宏菲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FAW Group Corp
Original Assignee
FAW Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FAW Group Corp filed Critical FAW Group Corp
Priority to CN202010681975.0A priority Critical patent/CN111883119A/en
Publication of CN111883119A publication Critical patent/CN111883119A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/22Procedures used during a speech recognition process, e.g. man-machine dialogue
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/20Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/22Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G10L2015/223Execution procedure of a spoken command

Abstract

The embodiment of the invention discloses a vehicle-mounted loudspeaker adjusting device and a method, wherein the device comprises a voice receiving module, a control module and a motor which are connected in series, the motor is connected with a vehicle-mounted loudspeaker through a steering mechanism, and the voice receiving module is used for determining an electric signal according to a received voice signal and sending the electric signal to the control module; the control module is used for determining a control instruction according to the electric signal; and the motor is used for adjusting the angle of the vehicle-mounted loudspeaker through the steering mechanism according to the control instruction. Receive driver or passenger's in the car voice signal through voice receiving module, handle the voice signal and confirm control command, the motor passes through steering mechanism adjustment vehicle loudspeaker's angle according to control command, the problem of the unable angle regulation of vehicle loudspeaker in the vehicle has been solved, driver or passenger just can realize the effect of adjustment vehicle loudspeaker angle through pronunciation, need not manual setting, realized the best effect of music broadcast when guaranteeing to drive safety, improve user experience.

Description

Vehicle-mounted loudspeaker adjusting device and method
Technical Field
The embodiment of the invention relates to the technical field of loudspeaker control, in particular to a vehicle-mounted loudspeaker adjusting device and method.
Background
With the improvement of the quality of life of users and the demand for space individuation and entertainment of drivers in automobiles, the requirements of the automobile market on the automobile sound effect are always improved at present. Automobile manufacturers have been equipped with branded sound systems or a greater number of speakers on-board the automobile to improve sound quality to increase product attractiveness and user appeal. The vehicle-mounted speaker is a plurality of speakers fixed at different positions in the vehicle interior, including a tweeter, a woofer, a midrange speaker, and the like, and emits sound by receiving an alternating signal output from a power amplifier.
However, the space in the vehicle is narrow, the arrangement position of the loudspeaker is fixed, and the directivity of the loudspeaker in the high-pitch frequency band is strong, so that the sound effect heard at different positions in the vehicle is greatly different; meanwhile, the positioning of the sound field needs the combined action of the middle speaker and the high speaker to achieve better effect. The mode switching to enhance the auditory effect at a specific position requires manual setting, the driver cannot be distracted to perform manual operation during driving, and the auditory effect at other positions may be sacrificed.
Disclosure of Invention
The invention provides a vehicle-mounted loudspeaker adjusting device and method, which are used for realizing the angle adjustment of a vehicle-mounted loudspeaker controlled by voice.
In a first aspect, an embodiment of the present invention provides an adjusting apparatus for a vehicle-mounted speaker, including a voice receiving module, a control module, and a motor connected in series, where the motor is connected to the vehicle-mounted speaker through a steering mechanism,
the voice receiving module is used for determining an electric signal according to the received voice signal and sending the electric signal to the control module;
the control module is used for determining a control instruction according to the electric signal;
and the motor is used for adjusting the angle of the vehicle-mounted loudspeaker through the steering mechanism according to the control instruction.
In a second aspect, an embodiment of the present invention further provides a vehicle-mounted speaker adjusting method, where the vehicle-mounted speaker adjusting method is executed by a vehicle-mounted speaker adjusting apparatus, and includes:
the voice receiving module receives a voice signal, determines an electric signal according to the voice signal and sends the electric signal to the control module;
the control module determines a control instruction according to the electric signal and sends the control instruction to the motor;
and the motor adjusts the angle of the vehicle-mounted loudspeaker according to the control instruction.
The embodiment of the invention provides a vehicle-mounted loudspeaker adjusting device and a method, wherein the device comprises a voice receiving module, a control module and a motor which are connected in series, wherein the motor is connected with a vehicle-mounted loudspeaker through a steering mechanism, and the voice receiving module is used for determining an electric signal according to a received voice signal and sending the electric signal to the control module; the control module is used for determining a control instruction according to the electric signal; and the motor is used for adjusting the angle of the vehicle-mounted loudspeaker through the steering mechanism according to the control instruction. Receive driver or passenger's in the car voice signal through voice receiving module, handle the voice signal and confirm control command through control signal, the motor passes through steering mechanism adjustment vehicle mounted speaker's angle according to control command, the unable angle regulation's of vehicle mounted speaker problem in the current vehicle has been solved, driver or passenger just can realize the effect of adjustment vehicle mounted speaker angle through pronunciation, need not manual setting, the best effect of music broadcast has been realized when having guaranteed to drive safety, user experience has been improved.
Drawings
Fig. 1 is a structural diagram of an in-vehicle speaker adjusting apparatus according to a first embodiment of the present invention;
fig. 2 is a structural diagram of another vehicle-mounted speaker adjusting apparatus according to a first embodiment of the present invention;
fig. 3 is a structural diagram of an in-vehicle speaker adjusting apparatus according to a second embodiment of the present invention;
fig. 4 is a flowchart of an adjusting method for a vehicle-mounted speaker according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a structural diagram of an in-vehicle speaker adjusting apparatus according to an embodiment of the present invention, where the embodiment is applicable to adjusting an in-vehicle speaker, the apparatus includes: the voice control system comprises a voice receiving module 110, a control module 120 and a motor 130 which are connected in series, wherein the motor 130 is connected with a vehicle-mounted loudspeaker through a steering mechanism.
The voice receiving module 110 is configured to determine an electrical signal according to the received voice signal and send the electrical signal to the control module 120; a control module 120 for determining a control command according to the electrical signal; and the motor 130 is used for adjusting the angle of the vehicle-mounted loudspeaker through the steering mechanism according to the control instruction.
In the present embodiment, the voice receiving module may be understood as a device for collecting voice, such as a microphone, a sound sensor, and the like. The control module can be understood as a device that processes speech and controls the rotation of the motor. The motor is used for rotating according to the driving torque and further driving other objects connected with the motor to rotate. The rotor speed is controlled by the input signal, and can quickly respond, and can be used as an actuating element in an automatic control system, and has the advantages of small electromechanical time constant and high linearity.
In the present embodiment, the voice signal may be understood as a sound made by a driver or a passenger in the vehicle; the electric signal can be understood as a current signal, and a sound signal cannot be directly transmitted and needs to be converted into an electric signal for transmission; a control command may be understood as a command that controls the direction and angle of rotation of the motor.
When a driver or a passenger in the vehicle wants to adjust the sound, the driver or the passenger can control the loudspeaker to rotate through the voice, and then the purpose of adjusting the sound is achieved. The voice receiving module 110 receives a voice signal from a driver or a passenger and converts the voice signal into an electrical signal, for example, the voice receiving module 110 is a microphone, and converts the voice signal into the electrical signal by vibrating through a polymer material diaphragm isolated by permanent charges. The voice receiving module 110 sends the electrical signal to the control module 120, so that the control module 120 determines the control command after performing corresponding processing. The control module 120 processes the received electrical signal, recognizes an angle that the driver or the passenger wants to adjust, determines a control command according to the angle that the driver or the passenger wants to adjust, and sends the control command to the motor 130, and the motor 130 adjusts the angle of the vehicle-mounted speaker through the steering mechanism according to the control command.
The embodiment of the invention provides a vehicle-mounted loudspeaker adjusting device which comprises a voice receiving module, a control module and a motor which are connected in series, wherein the motor is connected with a vehicle-mounted loudspeaker through a steering mechanism; the control module is used for determining a control instruction according to the electric signal; and the motor is used for adjusting the angle of the vehicle-mounted loudspeaker through the steering mechanism according to the control instruction. Receive driver or passenger's in the car voice signal through voice receiving module, handle the voice signal and confirm control command through control signal, the motor passes through steering mechanism adjustment vehicle mounted speaker's angle according to control command, the unable angle regulation's of vehicle mounted speaker problem in the current vehicle has been solved, driver or passenger just can realize the effect of adjustment vehicle mounted speaker angle through pronunciation, need not manual setting, the best effect of music broadcast has been realized when having guaranteed to drive safety, user experience has been improved.
Further, fig. 2 provides a block diagram of another vehicle speaker adjusting apparatus, which includes a voice receiving module 210, a control module 220 and a motor 230 connected in series, wherein the motor 230 is connected to the vehicle speaker through a steering mechanism, and the control module 220 includes a processing unit 221 and an instruction determining unit 222.
The processing unit 221 is configured to perform noise removal processing on the electrical signal to obtain a denoising signal, and determine a voice recognition result according to the denoising signal; an instruction determining unit 222, configured to determine the control instruction according to the speech recognition result and by combining with a first preset algorithm.
In the present embodiment, the processing unit 221 may be understood as a unit for controlling noise processing on the electrical signal in the module; a denoised signal may be understood as a signal from which noise has been removed; the instruction determination unit 222 may be understood as a unit that determines a control instruction; the voice recognition result may be understood as a result of voice recognition of the user, and may be a mode or an angle that the user wants to adjust, for example, a driver mode, a 3 ° turn-up, and the like. The first preset algorithm can be understood as a preset algorithm or rule, and converts the voice recognition result into a corresponding control instruction.
A processing unit 221 in the control module 220 performs noise removal processing on the received electrical signal to obtain a denoising signal; the way of performing denoising processing on the electric signal may be filtering, wavelet transform, or the like. The denoising signal is converted and recognized to obtain a corresponding voice signal, the voice recognition result is determined by recognizing the corresponding voice signal, and the voice recognition result is determined by recognizing the voice signal. The embodiment of the invention also provides another mode for determining the voice recognition result: and the processing unit is used for converting the electric signal into a corresponding voice signal, removing noise from the voice signal to obtain a de-noised signal, and determining a voice recognition result according to the de-noised signal. The way of performing the denoising process on the speech signal may be to remove noise by a filter.
The instruction determining unit 222 uses the voice recognition result as an input of a first preset algorithm to obtain a control instruction calculated by the first preset algorithm, for example, a voice uttered by the driver or the passenger is "driver mode", and the corresponding control instruction is that the motor at the front left rotates to the direction of 45 degrees to the south east.
Further, the instruction determining unit 222 is specifically configured to: and determining adjustment direction information and adjustment time according to the voice recognition result and a first preset algorithm, determining an adjustment direction according to the adjustment direction information, determining an adjustment angle according to the adjustment time, and determining the control instruction according to the adjustment direction and the adjustment angle.
In this embodiment, the adjustment direction information may be understood as information for adjusting the motor to rotate in one direction; the adjustment time can be understood as the time during which the motor is rotating; the adjusting direction can be understood as the direction in which the motor needs to rotate; the adjustment angle can be understood as the angle that the motor needs to rotate.
The voice recognition result is used as the input of the first preset algorithm to obtain the adjustment direction information and the adjustment time, the adjustment direction, i.e. the rotation direction of the motor, can be determined according to the adjustment direction information, the adjustment angle can be determined according to the adjustment time, for example, when the rotation angle is 10 degrees, the adjustment time is 2s, and the control instruction is determined according to the adjustment direction and the adjustment angle.
Illustratively, when the voice sent by a passenger or a driver is in a "driver mode", the corresponding voice recognition result is determined to be the driver mode by recognizing the voice signal, and the driver mode defines in advance that the angle to which the motor should be adjusted is that the left front motor is 45 degrees south away from the east, the right front motor is 45 degrees west away from the south, the left rear motor is 45 degrees east away from the north, and the right rear motor is 45 degrees west away from the north. The voice sent by the passenger or the driver can be in a passenger mode, a passenger side driving mode and the like, different modes can be designed according to different requirements in advance, and angles required by the motor in the different modes are defined. If the voice sent by the passenger or the driver is that the speaker in the front left rotates 10 degrees leftwards, the adjustment direction information and the adjustment time are determined through a first preset algorithm, then the adjustment direction and the adjustment angle are determined, and finally the control instruction is determined. The voice sent by the passenger or the driver can have irregular conditions, and the speech can be processed to eliminate ambiguity in semantics and determine a regular voice signal.
In the embodiment of the invention, the number of the vehicle-mounted speakers is not specifically limited, so the number of the motors is not specifically limited, generally, in order to ensure the flexibility of angle adjustment of the vehicle-mounted speakers, the number of the motors is consistent with the number of the vehicle-mounted speakers, and one motor can be arranged to control a plurality of vehicle-mounted speakers. In the case where the number of the vehicle-mounted speakers is plural, if the driver or the passenger wants to control the rotation of the vehicle-mounted speakers by the motor but does not specify which vehicle-mounted speaker is to be controlled to rotate, for example, the driver or the passenger makes "15 degrees left turn", the vehicle-mounted speakers at the front left side may be set to rotate, the vehicle-mounted speakers at the front left side and the front right side may be set to rotate, or all the vehicle-mounted speakers may be set according to actual requirements. The same "15 degree turn" may be provided as a left turn, right turn, or down turn, etc.
The method has the advantages that the voice recognition result is processed through the preset first preset algorithm, the adjusting direction information and the adjusting time are firstly obtained, then the adjusting direction and the adjusting angle are determined, the control instruction is further determined, the rotating direction and the rotating angle of the motor can be accurately controlled according to the voice of a driver or a passenger, the voice can be accurately controlled to adjust the angle of the vehicle-mounted loudspeaker, the method is simple and easy to achieve, manual adjustment of the driver is avoided, and user experience is improved.
Example two
Fig. 3 is a structural diagram of an in-vehicle speaker adjusting apparatus according to a second embodiment of the present invention. The technical scheme of the embodiment is further detailed on the basis of the technical scheme, the device comprises a voice receiving module 310, a control module 320 and a motor 330 which are connected in series, the motor 330 is connected with a vehicle-mounted loudspeaker through a steering mechanism, and the control module 320 comprises a processing unit 321, an instruction determining unit 322 and a digital signal determining unit 323.
A digital signal determining unit 323 for determining a digital signal according to the speech recognition result.
In the present embodiment, the digital signal determination unit 323 can be understood as a unit that determines a digital signal. The digital signal determination unit 323 converts the voice recognition result into a corresponding digital signal.
Further, the apparatus further comprises: and a sound playing module 340.
And the sound playing module 340 is connected with the control module 320 and is used for controlling the output sound of the vehicle-mounted loudspeaker according to the digital signal sent by the control module 320.
In this embodiment, the audio playing module 340 may be understood as an integrated device for playing music in a vehicle, and the audio playing module receives the digital signal sent by the control module 320, where the digital signal includes information of a speech recognition result, that is, includes an adjustment intention of a driver or a passenger, determines an optimal sound when the vehicle-mounted speaker plays according to the digital signal, and further controls an output sound of the vehicle-mounted speaker.
Further, the audio playback module includes a control unit 341 and a power amplification unit 342:
a control unit 341, configured to determine mode control information or angle information according to the digital signal, and send the mode control information and/or angle information and an enable signal input by a user to the power amplifying unit 341;
and the power amplifying unit 342 is configured to determine a switch state according to the received enable signal, determine an audio signal according to the angle information in combination with a second preset algorithm and/or according to the mode control information when the switch state is an on state, and send the audio signal to the vehicle-mounted speaker, so that the vehicle-mounted speaker outputs sound according to the audio signal.
In this embodiment, the control unit 341 can be understood as a unit that controls the power amplifier to be turned on or off; the power amplifying unit 342 may be understood as a power amplifier, which refers to an amplifier capable of generating maximum power output to drive a load (e.g., a speaker) under a given distortion rate condition; the mode control information may be understood as information for controlling in which mode the power amplifier operates; the angle information can be understood as the angle which the driver or passenger has set and needs to be adjusted. The enable signal may be understood as a signal controlling the operation of the power amplifier and may be represented by a binary character, for example, 1 for on and 0 for off. The switch states include an on state and an off state. The second preset algorithm can be understood as a preset algorithm for adjusting the sound; an audio signal may be understood as a processed sound or music.
The control unit 341 processes the digital signal, analyzes information included in the digital signal, determines mode control information and angle information, for example, the voice uttered by the driver or the passenger is "the speaker at the left front side in the driver mode is turned downward by 5 degrees", the processed digital signal of the voice signal also includes the information, and processes the digital information, determines the mode control information as "the driver mode", and the angle information as "the speaker at the left front side is turned downward by 5 degrees". When the sound in the vehicle is turned on, the on-off state of the power amplification unit 342 indicated by the enable signal is always an on state, and if angle information exists, the angle information is used as the input of a second preset algorithm to obtain a corresponding audio signal; or if the mode control information exists, directly corresponding to the set audio signal; or if the angle information and the mode control information exist at the same time, the mode control information indicates the mode in which the vehicle-mounted speaker needs to work, the adjustment angle of the vehicle-mounted speaker (or the motor) is set in the corresponding mode, the final working angle of the vehicle-mounted speaker can be determined according to the angle information and the adjustment angle, and the audio signal can be determined according to the angle and the second preset algorithm. Generally, the working mode is determined, the adjusted angle and the audio signal are designed in advance, calculation through an algorithm is not needed any more, and because the angles cannot be exhausted or not all the angles are needed to be exhausted, when a driver or a passenger sends out the angle through voice, the optimal audio signal is calculated through the algorithm, so that resource waste caused by storage of all the angles is avoided, and the storage space is saved.
The embodiment of the invention provides a vehicle-mounted loudspeaker adjusting device which comprises a voice receiving module, a control module and a motor which are connected in series, wherein the motor is connected with a vehicle-mounted loudspeaker through a steering mechanism; the control module is used for determining a control instruction according to the electric signal; and the motor is used for adjusting the angle of the vehicle-mounted loudspeaker through the steering mechanism according to the control instruction. Receive driver or passenger's in the car voice signal through voice receiving module, handle the voice signal and confirm control command through control signal, the motor passes through steering mechanism adjustment vehicle mounted speaker's angle according to control command, the unable angle regulation's of vehicle mounted speaker problem in the current vehicle has been solved, driver or passenger just can realize the effect of adjustment vehicle mounted speaker angle through pronunciation, need not manual setting, the best effect of music broadcast has been realized when having guaranteed to drive safety, user experience has been improved. And the voice signals of the driver or the passenger are processed through the sound playing module to obtain corresponding audio signals, the audio signals output by the vehicle-mounted loudspeaker are guaranteed to be optimal audio signals, the problem that the vehicle-mounted loudspeaker in the prior art can only play fixed audio signals or audio signals determined according to the whole vehicle environment and the configuration of the vehicle-mounted loudspeaker is avoided, and the audio signals are adjusted according to the angle of the loudspeaker, so that the auditory experience of a user is improved.
EXAMPLE III
Fig. 4 is a flowchart of a vehicle-mounted speaker adjusting method according to a third embodiment of the present invention, where the method is executed by a vehicle-mounted speaker adjusting apparatus according to any embodiment, and includes the following steps:
step S410, the voice receiving module receives the voice signal, determines an electric signal according to the voice signal and sends the electric signal to the control module.
And step S420, the control module determines a control instruction according to the electric signal and sends the control instruction to the motor.
And step S430, adjusting the angle of the vehicle-mounted loudspeaker by the motor according to the control instruction.
The embodiment of the invention provides a vehicle-mounted loudspeaker adjusting method, which comprises the steps of determining an electric signal according to a received voice signal through a voice receiving module and sending the electric signal to a control module; the control module determines a control instruction according to the electric signal; and the motor adjusts the angle of the vehicle-mounted loudspeaker through the steering mechanism according to the control instruction. Receive driver or passenger's in the car voice signal through voice receiving module, handle the voice signal and confirm control command through control signal, the motor passes through steering mechanism adjustment vehicle mounted speaker's angle according to control command, the unable angle regulation's of vehicle mounted speaker problem in the current vehicle has been solved, driver or passenger just can realize the effect of adjustment vehicle mounted speaker angle through pronunciation, need not manual setting, the best effect of music broadcast has been realized when having guaranteed to drive safety, user experience has been improved.
Further, the control module comprises a processing unit and an instruction determining unit,
the control module determining a control command according to the electrical signal comprises: the processing unit carries out noise removal processing on the electric signal to obtain a de-noising signal, and determines a voice recognition result according to the de-noising signal;
and the instruction determining unit determines the control instruction according to the voice recognition result and by combining a first preset algorithm.
Further, the determining the control instruction by the instruction determining unit according to the voice recognition result and a first preset algorithm includes: the instruction determining unit determines adjusting direction information and adjusting time according to the voice recognition result and a first preset algorithm, determines adjusting direction according to the adjusting direction information, determines adjusting angle according to the adjusting time, and determines the control instruction according to the adjusting direction and the adjusting angle.
Further, the control module further comprises a digital signal determination unit,
the method further comprises the following steps: the digital signal determining unit determines a digital signal according to the voice recognition result.
Further, the method further comprises:
and the sound playing module controls the output sound of the vehicle-mounted loudspeaker according to the digital signal sent by the control module.
Further, the audio playing module comprises a control unit and a power amplifying unit, and the audio playing module controls the output sound of the vehicle-mounted speaker according to the digital signal sent by the control module comprises: the control unit determines mode control information and/or angle information according to the digital signal, and sends the mode control information and/or angle information and an enable signal input by a user to the power amplification unit; and the power amplification unit determines a switch state according to the received enable signal, determines an audio signal according to the angle information in combination with a second preset algorithm and/or according to the mode control information when the switch state is in an on state, and sends the audio signal to the vehicle-mounted loudspeaker so that the vehicle-mounted loudspeaker outputs sound according to the audio signal.
It should be noted that, in the embodiment of the vehicle-mounted speaker adjusting apparatus, the units and modules included in the embodiment are merely divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A vehicle-mounted loudspeaker adjusting device is characterized by comprising a voice receiving module, a control module and a motor which are connected in series, wherein the motor is connected with a vehicle-mounted loudspeaker through a steering mechanism,
the voice receiving module is used for determining an electric signal according to the received voice signal and sending the electric signal to the control module;
the control module is used for determining a control instruction according to the electric signal;
and the motor is used for adjusting the angle of the vehicle-mounted loudspeaker through the steering mechanism according to the control instruction.
2. The apparatus of claim 1, wherein the control module comprises:
the processing unit is used for removing noise from the electric signal to obtain a de-noising signal and determining a voice recognition result according to the de-noising signal;
and the instruction determining unit is used for determining the control instruction according to the voice recognition result and by combining a first preset algorithm.
3. The apparatus according to claim 2, wherein the instruction determination unit is specifically configured to: and determining adjustment direction information and adjustment time according to the voice recognition result and a first preset algorithm, determining an adjustment direction according to the adjustment direction information, determining an adjustment angle according to the adjustment time, and determining the control instruction according to the adjustment direction and the adjustment angle.
4. The apparatus of claim 2, wherein the control module further comprises:
and the digital signal determining unit is used for determining a digital signal according to the voice recognition result.
5. The apparatus of claim 4, further comprising:
and the sound playing module is connected with the control module and used for controlling the output sound of the vehicle-mounted loudspeaker according to the digital signal sent by the control module.
6. The apparatus of claim 5, wherein the audio playback module comprises:
the control unit is used for determining mode control information and/or angle information according to the digital signal and sending the mode control information and/or angle information and an enable signal input by a user to the power amplification unit;
the power amplification unit is used for determining a switch state according to the received enable signal, determining an audio signal according to the angle information in combination with a second preset algorithm and/or according to the mode control information when the switch state is in an on state, and sending the audio signal to the vehicle-mounted loudspeaker so that the vehicle-mounted loudspeaker outputs sound according to the audio signal.
7. A vehicle-mounted speaker adjusting method, performed by the vehicle-mounted speaker adjusting apparatus according to any one of claims 1 to 6, the method comprising:
the voice receiving module receives a voice signal, determines an electric signal according to the voice signal and sends the electric signal to the control module;
the control module determines a control instruction according to the electric signal and sends the control instruction to the motor;
and the motor adjusts the angle of the vehicle-mounted loudspeaker according to the control instruction.
8. The method of claim 7, wherein the control module comprises a processing unit and an instruction determining unit, and wherein the control module determines control instructions based on the electrical signals, respectively, comprising:
the processing unit carries out noise removal processing on the electric signal to obtain a de-noising signal, and determines a voice recognition result according to the de-noising signal;
and the instruction determining unit determines the control instruction according to the voice recognition result and by combining a first preset algorithm.
9. The method of claim 8, wherein the control module further comprises a digital signal determination unit, and wherein the method further comprises:
the digital signal determining unit determines a digital signal according to the voice recognition result.
10. The method of claim 9, further comprising:
and the sound playing module controls the output sound of the vehicle-mounted loudspeaker according to the digital signal sent by the control module.
CN202010681975.0A 2020-07-15 2020-07-15 Vehicle-mounted loudspeaker adjusting device and method Pending CN111883119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010681975.0A CN111883119A (en) 2020-07-15 2020-07-15 Vehicle-mounted loudspeaker adjusting device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010681975.0A CN111883119A (en) 2020-07-15 2020-07-15 Vehicle-mounted loudspeaker adjusting device and method

Publications (1)

Publication Number Publication Date
CN111883119A true CN111883119A (en) 2020-11-03

Family

ID=73155429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010681975.0A Pending CN111883119A (en) 2020-07-15 2020-07-15 Vehicle-mounted loudspeaker adjusting device and method

Country Status (1)

Country Link
CN (1) CN111883119A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102595275A (en) * 2012-02-29 2012-07-18 长城汽车股份有限公司 Vehicle loudspeaker system with adjustable sound field
CN104469604A (en) * 2014-12-12 2015-03-25 宁波市镇海声势清扬音响科技有限公司 Vehicle-mounted audio loudspeaker
EP2927642A1 (en) * 2014-04-02 2015-10-07 Volvo Car Corporation System and method for distribution of 3d sound in a vehicle
CN107901857A (en) * 2017-09-26 2018-04-13 上海思致汽车工程技术有限公司 A kind of automobile sound control camera system and control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102595275A (en) * 2012-02-29 2012-07-18 长城汽车股份有限公司 Vehicle loudspeaker system with adjustable sound field
EP2927642A1 (en) * 2014-04-02 2015-10-07 Volvo Car Corporation System and method for distribution of 3d sound in a vehicle
CN104469604A (en) * 2014-12-12 2015-03-25 宁波市镇海声势清扬音响科技有限公司 Vehicle-mounted audio loudspeaker
CN107901857A (en) * 2017-09-26 2018-04-13 上海思致汽车工程技术有限公司 A kind of automobile sound control camera system and control method

Similar Documents

Publication Publication Date Title
CN110691299B (en) Audio processing system, method, apparatus, device and storage medium
CN106231497B (en) Vehicle-mounted loudspeaker playing volume adjusting device and method and vehicle
CN110758235B (en) Pedestrian warning device system and pedestrian warning method
JP4450803B2 (en) Active acoustic control device for vehicle
JP2006060810A (en) Sound processing system for structuring audio signal in vehicle
JP2003158789A (en) Vehicle-mounted sound system
CN103692967A (en) Listening position adjusting method and system for automobile sound box
CN102666208A (en) Method for outputting music information in a vehicle
WO2011152920A1 (en) Method for adjusting a voice recognition system comprising a speaker and a microphone, and voice recognition system
CN213366129U (en) Acoustic device of making an uproar falls in car based on-vehicle ethernet
CN111883119A (en) Vehicle-mounted loudspeaker adjusting device and method
HU207914B (en) Method for operating radio receiver of vehicle and radio receiver for implementing said method
JP3280920B2 (en) In-vehicle sound reproduction method and apparatus
JP2002112400A (en) Car audio system
CN107172539B (en) Vehicle-mounted sound mixing method and device
CN112292872A (en) Sound signal processing device, mobile device, method, and program
CN101192812A (en) Onboard audio volume control device and method
KR102040918B1 (en) Apparatus for generating a virtual sound for vehicle
JP2002171587A (en) Sound volume regulator for on-vehicle acoustic device and sound recognition device using it
US9875078B1 (en) External amplifier interface
JP2012206655A (en) Sound reproducing apparatus for use in vehicle
JP2005277514A (en) Handsfree device
CN112839286A (en) Automobile volume adjusting system and method
KR102297078B1 (en) Active sound field control method of vehicle
KR101022584B1 (en) Audio system for vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20201103

RJ01 Rejection of invention patent application after publication