CN117119350A - Intelligent volume adjusting method and system for vehicle-mounted sound equipment - Google Patents
Intelligent volume adjusting method and system for vehicle-mounted sound equipment Download PDFInfo
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- CN117119350A CN117119350A CN202311249966.4A CN202311249966A CN117119350A CN 117119350 A CN117119350 A CN 117119350A CN 202311249966 A CN202311249966 A CN 202311249966A CN 117119350 A CN117119350 A CN 117119350A
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- 238000001514 detection method Methods 0.000 claims description 21
- 230000008921 facial expression Effects 0.000 claims description 6
- 238000013473 artificial intelligence Methods 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention provides an intelligent volume adjusting method and system for a vehicle-mounted sound box, wherein the method comprises the following steps: automatically detecting facial features and action features of personnel in the vehicle, and judging whether the personnel in the vehicle is in a talking state according to the facial features and the action features; if so, acquiring the current vehicle-mounted volume of the vehicle-mounted sound and the voice volume of the conversation of the personnel in the vehicle, and calculating the difference value of the current vehicle-mounted volume and the voice volume; and adjusting the vehicle-mounted volume of the vehicle-mounted sound equipment according to the difference value, so that the vehicle-mounted volume of the vehicle-mounted sound equipment is reduced to adapt to the volume of the conversation of the personnel in the vehicle. The invention can improve the comfort and intelligence of the vehicle and bring more abundant travel experience for people in the riding process.
Description
Technical Field
The invention relates to the technical field of sound volume adjustment, in particular to an intelligent sound volume adjustment method and system for a vehicle-mounted sound.
Background
Along with the stable development of the automobile industry in China, the vehicle-mounted entertainment projects steadily rise along with the market, and the vehicle-mounted sound box is used as the most main entertainment mode, so that not only can instant information be brought to drivers and passengers, but also the journey fatigue of people can be relieved, and further a good mood is provided for people. The existing vehicle-mounted sound equipment basically adjusts the volume manually or through voice, and the volume can be always kept after the volume is adjusted; when the vehicle runs at a high speed, if the volume in the vehicle is too large, the driver cannot concentrate on the vehicle, and when the driver manually adjusts the volume, driving accidents can be caused; and when people in the car need to communicate and chat, the volume can be adjusted manually or by voice, and the volume can be actively adjusted manually after the chat is finished, so that the operation is troublesome. Therefore, how to intelligently and conveniently adjust the volume of the vehicle-mounted sound equipment has important significance.
Disclosure of Invention
The invention provides an intelligent volume adjusting method and system for a vehicle-mounted sound box, which solve the problems of dangerous driving and inconvenient operation caused by manual or voice and other manual active volume adjustment of the existing vehicle-mounted sound box, can improve the comfort and intelligence of a vehicle, and bring more abundant travel experience to people in the riding process.
In order to achieve the above object, the present invention provides the following technical solutions:
an intelligent volume adjustment method for a vehicle audio system, comprising:
automatically detecting facial features and action features of personnel in the vehicle, and judging whether the personnel in the vehicle is in a talking state according to the facial features and the action features;
if so, acquiring the current vehicle-mounted volume of the vehicle-mounted sound and the voice volume of the conversation of the personnel in the vehicle, and calculating the difference value of the current vehicle-mounted volume and the voice volume;
and adjusting the vehicle-mounted volume of the vehicle-mounted sound equipment according to the difference value, so that the vehicle-mounted volume of the vehicle-mounted sound equipment is reduced to adapt to the volume of the conversation of the personnel in the vehicle.
Preferably, the method further comprises:
and acquiring the running speed of the vehicle, and judging the running state of the vehicle according to the running speed so as to enable the vehicle-mounted sound equipment to adjust the vehicle-mounted volume according to the running state of the vehicle.
Preferably, the adjusting the volume of the vehicle audio according to the difference value includes:
marking the voice volume as S Human body The vehicle-mounted volume is marked as S Vehicle with a frame The difference is marked as Δs, where Δs=s Human body -S Vehicle with a frame ；
Setting a standard deviation value and marking the standard deviation value as delta S Label (C) ；
When DeltaS is less than or equal to S Label (C) According to the formula DeltaS Adjustment of ＝S Vehicle with a frame －S Human body +ΔS Label (C) Calculating to obtain a volume adjustment value S Adjustment of ；
According to the volume adjustment value S Adjustment of And adjusting the volume of the vehicle-mounted sound equipment.
Preferably, the automatic detecting of facial features and action features of the person in the vehicle, and judging whether the person in the vehicle is in a talking state according to the facial features and the action features, includes:
and establishing an action detection model based on an artificial intelligence algorithm, wherein the action detection model identifies the facial expression and action of the personnel in the vehicle according to the facial features and the action features so as to determine whether the personnel in the vehicle is in a talking state.
Preferably, the method further comprises:
acquiring voice of personnel in the vehicle and performing voice recognition to obtain semantics of the personnel in the vehicle;
judging whether the personnel in the vehicle require to adjust the vehicle-mounted volume according to the semantics, and if so, adjusting the volume of the vehicle-mounted sound equipment to increase or decrease according to the semantics.
Preferably, the determining the running state of the vehicle according to the running speed, so that the vehicle-mounted sound device adjusts the vehicle-mounted volume according to the running state of the vehicle, includes:
and when the running speed is greater than the set high-speed threshold, judging that the vehicle is in a high-speed running state, and adjusting the volume of the vehicle-mounted sound equipment to be lower than the set volume threshold.
Preferably, the method further comprises:
and acquiring the noise level in the vehicle, and if the noise level is larger than a set noise threshold value and the vehicle is in a windowed running state, adjusting the volume of the vehicle-mounted sound equipment to reduce and carrying out window closing prompt.
The invention also provides an intelligent volume adjusting system for the vehicle-mounted sound equipment, which comprises the following steps of: the device comprises an image acquisition device, a voice detection device and a volume adjustment controller;
the volume adjustment controller is respectively connected with the image acquisition device, the voice detection device and the vehicle-mounted sound signal;
the image acquisition device is used for automatically detecting facial features and action features of personnel in the vehicle and sending the facial features and the action features to the volume adjustment controller;
the voice detection device is used for collecting the volume and voice of the conversation of the vehicle personnel so as to obtain the voice volume and the semantic of the conversation of the personnel in the vehicle;
the volume adjustment controller judges whether the personnel in the vehicle are in a talking state according to the facial features and the action features; if yes, calculating a difference value between the current vehicle-mounted volume of the vehicle-mounted sound and the voice volume; and adjusting the vehicle-mounted volume of the vehicle-mounted sound equipment according to the difference value, so that the vehicle-mounted volume of the vehicle-mounted sound equipment is reduced to adapt to the volume of the conversation of the personnel in the vehicle.
Preferably, the image acquisition apparatus includes: a camera and an image processor;
the camera performs facial expression and action on a person in the vehicle to perform an image;
the image processor is in signal connection with the camera, and processes and identifies the image.
Preferably, the human voice detection device includes: a microphone and a speech processor;
the microphone is in signal connection with the voice processor, and the voice processor is used for carrying out audio processing and recognition on sound information collected by the microphone so as to obtain corresponding semantics and voice volume.
The invention provides an intelligent volume adjusting method and system for a vehicle-mounted sound box. The problem of current on-vehicle stereo set manual or artificial initiative regulation volume of pronunciation lead to dangerous driving and inconvenient operation is solved, travelling comfort and intelligent that can improve the vehicle have brought richer trip experience for people in-process of riding.
Drawings
In order to more clearly illustrate the specific embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described.
Fig. 1 is a schematic diagram of an intelligent volume adjustment method for a vehicle audio system according to the present invention.
Fig. 2 is a schematic diagram of an intelligent volume adjustment system for a vehicle audio system according to the present invention.
Detailed Description
In order to make the solution of the embodiment of the present invention better understood by those skilled in the art, the embodiment of the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Aiming at the problems that the current volume adjustment of the vehicle-mounted sound equipment is inconvenient to operate and dangerous driving is easy to cause, the invention provides an intelligent volume adjustment method and system for the vehicle-mounted sound equipment, which solves the problems that the current manual or voice and other artificial active volume adjustment of the vehicle-mounted sound equipment causes dangerous driving and inconvenient operation, can improve the comfort and the intelligence of a vehicle, and brings richer travel experience to people in the riding process.
As shown in fig. 1, an intelligent volume adjustment method for a car audio includes:
s1: automatically detecting facial features and action features of personnel in the vehicle, and judging whether the personnel in the vehicle is in a talking state according to the facial features and the action features.
S2: if so, acquiring the current vehicle-mounted volume of the vehicle-mounted sound and the voice volume of the conversation of the personnel in the vehicle, and calculating the difference value of the current vehicle-mounted volume and the voice volume.
S3: and adjusting the vehicle-mounted volume of the vehicle-mounted sound equipment according to the difference value, so that the vehicle-mounted volume of the vehicle-mounted sound equipment is reduced to adapt to the volume of the conversation of the personnel in the vehicle.
Specifically, when the personnel in the vehicle is in a talking state, the volume of the sound in the vehicle is collected; when the vehicle-mounted volume is larger than the voice volume, calculating to obtain a volume adjustment value; reducing the volume of the loudspeaker according to the volume adjustment value; according to different states of the vehicle, the volume is intelligently adjusted, and driving accidents caused by inconvenience caused by suddenly adjusting the volume are avoided; and the volume of the conversation scene of the user can be intelligently identified, so that the intelligent experience of the user is improved.
The method further comprises the steps of: and acquiring the running speed of the vehicle, and judging the running state of the vehicle according to the running speed so as to enable the vehicle-mounted sound equipment to adjust the vehicle-mounted volume according to the running state of the vehicle.
Specifically, the running speed of the vehicle is obtained through a vehicle speed detection module, the facial features and the action features of personnel in the vehicle are obtained, and the running state of the vehicle is judged according to the running speed; the volume of the car stereo is adjusted according to the running state of the vehicle.
Further, the adjusting the volume of the vehicle-mounted sound according to the difference value includes:
marking the voice volume as S Human body The vehicle-mounted volume is marked as S Vehicle with a frame The difference is marked as Δs, where Δs=s Human body -S Vehicle with a frame ；
Setting a standard deviation value and marking the standard deviation value as delta S Label (C) ；
When DeltaS is less than or equal to S Label (C) According to the formula DeltaS Adjustment of ＝S Vehicle with a frame －S Human body +ΔS Label (C) Calculation ofObtain the volume adjustment value S Adjustment of ；
According to the volume adjustment value S Adjustment of And adjusting the volume of the vehicle-mounted sound equipment.
Further, the automatic detection of facial features and action features of the person in the vehicle, and judging whether the person in the vehicle is in a talking state according to the facial features and the action features, includes:
and establishing an action detection model based on an artificial intelligence algorithm, wherein the action detection model identifies the facial expression and action of the personnel in the vehicle according to the facial features and the action features so as to determine whether the personnel in the vehicle is in a talking state.
The method further comprises the steps of: acquiring voice of personnel in the vehicle and performing voice recognition to obtain semantics of the personnel in the vehicle; judging whether the personnel in the vehicle require to adjust the vehicle-mounted volume according to the semantics, and if so, adjusting the volume of the vehicle-mounted sound equipment to increase or decrease according to the semantics.
Further, the determining the running state of the vehicle according to the running speed, so that the vehicle-mounted sound equipment adjusts the vehicle-mounted volume according to the running state of the vehicle, includes:
and when the running speed is greater than the set high-speed threshold, judging that the vehicle is in a high-speed running state, and adjusting the volume of the vehicle-mounted sound equipment to be lower than the set volume threshold.
In practical use, it is necessary to reduce the volume of the car audio in order to avoid distracting the driver when the vehicle is at a high speed.
The method further comprises the steps of: and acquiring the noise level in the vehicle, and if the noise level is larger than a set noise threshold value and the vehicle is in a windowed running state, adjusting the volume of the vehicle-mounted sound equipment to reduce and carrying out window closing prompt.
In practical application, in order to avoid the influence of excessive volume of the vehicle-mounted sound in the vehicle on the person outside the vehicle, when the noise level in the vehicle is greater than the set noise threshold, the volume of the vehicle-mounted sound is reduced, and window closing prompt is carried out.
It can be seen that the invention provides an intelligent volume adjusting method for a vehicle-mounted sound box, which is used for judging whether the personnel in the vehicle are in a talking state or not by detecting facial features and action features of the personnel in the vehicle, if so, calculating the difference between the current vehicle-mounted volume and the voice volume, and adjusting the vehicle-mounted volume of the vehicle-mounted sound box according to the difference. The problem of current on-vehicle stereo set manual or artificial initiative regulation volume of pronunciation lead to dangerous driving and inconvenient operation is solved, travelling comfort and intelligent that can improve the vehicle have brought richer trip experience for people in-process of riding.
Correspondingly, the invention also provides an intelligent volume adjusting system for the vehicle-mounted sound equipment, which comprises the following steps of: image acquisition device, voice detection device and volume control ware.
And the volume adjustment controller is respectively connected with the image acquisition device, the voice detection device and the vehicle-mounted sound signal.
The image acquisition device is used for automatically detecting facial features and action features of personnel in the vehicle and sending the facial features and action features to the volume adjustment controller.
The voice detection device is used for collecting the volume and voice of the conversation of the vehicle personnel so as to obtain the voice volume and the semantic of the conversation of the personnel in the vehicle.
The volume adjustment controller judges whether the personnel in the vehicle are in a talking state according to the facial features and the action features; if yes, calculating a difference value between the current vehicle-mounted volume of the vehicle-mounted sound and the voice volume; and adjusting the vehicle-mounted volume of the vehicle-mounted sound equipment according to the difference value, so that the vehicle-mounted volume of the vehicle-mounted sound equipment is reduced to adapt to the volume of the conversation of the personnel in the vehicle.
Further, the image acquisition apparatus includes: a camera and an image processor; the camera performs facial expression and action on a person in the vehicle to perform an image; the image processor is in signal connection with the camera, and processes and identifies the image.
Further, the voice detection device includes: a microphone and a speech processor; the microphone is in signal connection with the voice processor, and the voice processor is used for carrying out audio processing and recognition on sound information collected by the microphone so as to obtain corresponding semantics and voice volume.
Further, the volume adjustment control may be implemented using a microprocessor.
The invention provides an intelligent volume adjusting system for a vehicle-mounted sound box, which is characterized in that the facial features and the action features of personnel in the vehicle are detected through an image acquisition device, the voice volume in the vehicle is acquired through a voice detection device, whether the personnel in the vehicle is in a talking state is judged by a volume adjusting controller, if so, the difference between the current vehicle-mounted volume and the voice volume is calculated, and the vehicle-mounted volume of the vehicle-mounted sound box is adjusted according to the difference. The problem of current on-vehicle stereo set manual or artificial initiative regulation volume of pronunciation lead to dangerous driving and inconvenient operation is solved, travelling comfort and intelligent that can improve the vehicle have brought richer trip experience for people in-process of riding.
While the construction, features and effects of the present invention have been described in detail with reference to the embodiments shown in the drawings, the above description is only a preferred embodiment of the present invention, but the present invention is not limited to the embodiments shown in the drawings, and all changes made according to the concepts of the present invention or modifications as equivalent embodiments are within the scope of the present invention without departing from the spirit covered by the specification and drawings.
Claims (10)
1. An intelligent volume adjustment method for a vehicle audio system, comprising:
automatically detecting facial features and action features of personnel in the vehicle, and judging whether the personnel in the vehicle is in a talking state according to the facial features and the action features;
if so, acquiring the current vehicle-mounted volume of the vehicle-mounted sound and the voice volume of the conversation of the personnel in the vehicle, and calculating the difference value of the current vehicle-mounted volume and the voice volume;
and adjusting the vehicle-mounted volume of the vehicle-mounted sound equipment according to the difference value, so that the vehicle-mounted volume of the vehicle-mounted sound equipment is reduced to adapt to the volume of the conversation of the personnel in the vehicle.
2. The intelligent volume adjustment method for a car stereo according to claim 1, further comprising:
and acquiring the running speed of the vehicle, and judging the running state of the vehicle according to the running speed so as to enable the vehicle-mounted sound equipment to adjust the vehicle-mounted volume according to the running state of the vehicle.
3. The intelligent volume adjustment method for a car audio according to claim 2, wherein the adjusting the volume of the car audio according to the difference value comprises:
marking the voice volume as S Human body The vehicle-mounted volume is marked as S Vehicle with a frame The difference is marked as Δs, where Δs=s Human body -S Vehicle with a frame ；
Setting a standard deviation value and marking the standard deviation value as delta S Label (C) ；
When DeltaS is less than or equal to S Label (C) According to the formula DeltaS Adjustment of ＝S Vehicle with a frame －S Human body +ΔS Label (C) Calculating to obtain a volume adjustment value S Adjustment of ；
According to the volume adjustment value S Adjustment of And adjusting the volume of the vehicle-mounted sound equipment.
4. The intelligent volume adjusting method for a car stereo according to claim 3, wherein the automatically detecting facial features and motion features of the person in the car and judging whether the person in the car is in a talking state based on the facial features and the motion features comprises:
and establishing an action detection model based on an artificial intelligence algorithm, wherein the action detection model identifies the facial expression and action of the personnel in the vehicle according to the facial features and the action features so as to determine whether the personnel in the vehicle is in a talking state.
5. The intelligent volume adjustment method for a car stereo of claim 4, further comprising:
acquiring voice of personnel in the vehicle and performing voice recognition to obtain semantics of the personnel in the vehicle;
judging whether the personnel in the vehicle require to adjust the vehicle-mounted volume according to the semantics, and if so, adjusting the volume of the vehicle-mounted sound equipment to increase or decrease according to the semantics.
6. The intelligent sound volume adjustment method for a vehicle audio according to claim 5, wherein the determining a running state of a vehicle according to the running speed so that the vehicle audio adjusts the vehicle sound volume according to the running state of the vehicle, comprises:
and when the running speed is greater than the set high-speed threshold, judging that the vehicle is in a high-speed running state, and adjusting the volume of the vehicle-mounted sound equipment to be lower than the set volume threshold.
7. The intelligent volume adjustment method for a car stereo of claim 6, further comprising:
and acquiring the noise level in the vehicle, and if the noise level is larger than a set noise threshold value and the vehicle is in a windowed running state, adjusting the volume of the vehicle-mounted sound equipment to reduce and carrying out window closing prompt.
8. An intelligent volume adjustment system for a car audio using the adjustment method of any one of claims 1 to 7, comprising: the device comprises an image acquisition device, a voice detection device and a volume adjustment controller;
the volume adjustment controller is respectively connected with the image acquisition device, the voice detection device and the vehicle-mounted sound signal;
the image acquisition device is used for automatically detecting facial features and action features of personnel in the vehicle and sending the facial features and the action features to the volume adjustment controller;
the voice detection device is used for collecting the volume and voice of the conversation of the vehicle personnel so as to obtain the voice volume and the semantic of the conversation of the personnel in the vehicle;
the volume adjustment controller judges whether the personnel in the vehicle are in a talking state according to the facial features and the action features; if yes, calculating a difference value between the current vehicle-mounted volume of the vehicle-mounted sound and the voice volume; and adjusting the vehicle-mounted volume of the vehicle-mounted sound equipment according to the difference value, so that the vehicle-mounted volume of the vehicle-mounted sound equipment is reduced to adapt to the volume of the conversation of the personnel in the vehicle.
9. The intelligent volume adjustment system for a vehicle audio system according to claim 8, wherein the image capturing device comprises: a camera and an image processor;
the camera performs facial expression and action on a person in the vehicle to perform an image;
the image processor is in signal connection with the camera, and processes and identifies the image.
10. The intelligent volume adjustment system for a car audio according to claim 9, wherein the human voice detection means comprises: a microphone and a speech processor;
the microphone is in signal connection with the voice processor, and the voice processor is used for carrying out audio processing and recognition on sound information collected by the microphone so as to obtain corresponding semantics and voice volume.
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| CN202311249966.4A CN117119350A (en) | 2023-09-25 | 2023-09-25 | Intelligent volume adjusting method and system for vehicle-mounted sound equipment |
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| CN202311249966.4A CN117119350A (en) | 2023-09-25 | 2023-09-25 | Intelligent volume adjusting method and system for vehicle-mounted sound equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117395567A (en) * | 2023-12-12 | 2024-01-12 | 东莞市天逸电子有限公司 | Self-adaptive sound field adjusting method for vehicle-mounted acoustic horn |
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2023
- 2023-09-25 CN CN202311249966.4A patent/CN117119350A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117395567A (en) * | 2023-12-12 | 2024-01-12 | 东莞市天逸电子有限公司 | Self-adaptive sound field adjusting method for vehicle-mounted acoustic horn |
| CN117395567B (en) * | 2023-12-12 | 2024-03-26 | 东莞市天逸电子有限公司 | Self-adaptive sound field adjusting method for vehicle-mounted acoustic horn |
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