CN112399035A - Pickup module and motor module linkage control method and device and camera - Google Patents
Pickup module and motor module linkage control method and device and camera Download PDFInfo
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- CN112399035A CN112399035A CN201910751585.3A CN201910751585A CN112399035A CN 112399035 A CN112399035 A CN 112399035A CN 201910751585 A CN201910751585 A CN 201910751585A CN 112399035 A CN112399035 A CN 112399035A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
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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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- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Studio Devices (AREA)
Abstract
The embodiment of the invention provides a pickup module and motor module linkage control method and device and a camera, and relates to the field of electronic equipment. The linkage control method of the pickup module and the motor module comprises the steps of obtaining frequency band information of the motor module according to the motion characteristics of the motor module of the camera; and filtering the audio belonging to the frequency band information in the audio collected by the pickup module of the camera according to the frequency band information. When the motion characteristic of the motor module changes, namely the frequency band information fluctuates, the change of the frequency band information can be quickly responded, the frequency band information where the motor module is located can be accurately filtered, the audio effect of the pickup module is ensured, and the overall quality of audio is improved.
Description
Technical Field
The invention relates to the field of electronic equipment, in particular to a method and a device for linkage control of a pickup module and a motor module and a camera.
Background
In the monitoring industry, the camera with the pickup module and the motor module is widely applied. The pickup module is controlled by the pickup control unit, the motor module is controlled by the motor control unit, and the pickup module and the motor module are mutually independent. Theoretically, the pickup module should keep away from motor module, nevertheless between the development of present camera volume toward miniaturized direction, often the motor of horizontal motor or perpendicular motor or optical lens self can be very close from pickup module distance among the motor module, and this will cause when the motor motion, and the sound of motor body can be by pickup module normal pickup, causes audio signal to disturb, influences the whole quality of audio frequency.
Disclosure of Invention
The invention aims to provide a method and a device for linkage control of a pickup module and a motor module and a camera, which can ensure the audio effect of the pickup module and improve the overall audio quality.
Embodiments of the invention may be implemented as follows:
in a first aspect, an embodiment of the present invention provides a method for controlling a pickup module and a motor module in a linkage manner, including:
acquiring frequency band information of a motor module of a camera according to the motion characteristic of the motor module;
and filtering the audio belonging to the frequency band information in the audio collected by the pickup module of the camera according to the frequency band information.
In an optional embodiment, the motor module includes a horizontal motor, a vertical motor, and a lens rotation motor, and the step of acquiring the frequency band information of the motor module according to the detected motion characteristic of the motor module includes:
acquiring a horizontal frequency band of the horizontal motor according to the detected motion characteristic of the horizontal motor;
acquiring a vertical frequency band of the vertical motor according to the detected motion characteristic of the vertical motor;
acquiring a rotation frequency band of the lens rotation motor according to the detected movement characteristic of the lens rotation motor;
and summarizing the horizontal frequency band, the vertical frequency band and the rotation frequency band into the frequency band information.
In an alternative embodiment, the horizontal frequency band of the horizontal motor is acquired according to the detected motion characteristic of the horizontal motor when the horizontal motor is rotated.
In an alternative embodiment, a vertical frequency band of the vertical motor is acquired according to the detected motion characteristic of the vertical motor when the vertical motor is rotated.
In an alternative embodiment, when the lens rotation motor rotates, a rotation frequency band of the lens rotation motor is obtained according to the detected motion characteristic of the lens rotation motor.
In an alternative embodiment, the motion characteristic comprises at least one of a rotational speed, a rotational angle and a rotational frequency.
In a second aspect, an embodiment of the present invention provides a linkage control apparatus for a sound pickup module and a motor module, where the linkage control module is configured to obtain frequency band information of the motor module according to a detected motion characteristic of the motor module; wherein the motion characteristics include at least one of a rotational speed, a rotational angle, and a rotational frequency;
and the audio filtering module is used for filtering the audio belonging to the frequency band information in the audio collected by the pickup module according to the frequency band information.
In an optional embodiment, the pickup module and motor module linkage control device further comprises:
the linkage control module is also used for acquiring the horizontal frequency band of the horizontal motor according to the detected motion characteristic of the horizontal motor;
the linkage control module is also used for acquiring a vertical frequency band of the vertical motor according to the detected motion characteristic of the vertical motor;
the linkage control module is also used for acquiring the rotation frequency band of the lens rotation motor according to the detected motion characteristic of the lens rotation motor;
the linkage control module is further configured to assemble the horizontal frequency band, the vertical frequency band, and the rotation frequency band into the frequency band information.
In an optional embodiment, the linkage control module is further configured to acquire a horizontal frequency band of the horizontal motor according to the detected motion characteristic of the horizontal motor when the horizontal motor rotates.
In a third aspect, an embodiment of the present invention provides a camera, including a controller, where a pickup module and a motor module linkage control program is stored on the controller, and the pickup module and the motor module linkage control program implements the pickup module and motor module linkage control method according to any one of the foregoing embodiments.
The embodiment of the invention has the following beneficial effects: the linkage control method of the pickup module and the motor module comprises the steps of obtaining frequency band information of the motor module according to the motion characteristics of the motor module of the camera; and filtering the audio belonging to the frequency band information in the audio collected by the pickup module of the camera according to the frequency band information. When the motion characteristic of the motor module changes, namely the frequency band information fluctuates, the change of the frequency band information can be quickly responded, the frequency band information where the motor module is located can be accurately filtered, the audio effect of the pickup module is ensured, and the overall quality of audio is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a flowchart of a linkage control method of a pickup module and a motor module according to a first embodiment of the present invention;
fig. 2 is a flowchart illustrating sub-steps of step S100 of a method for controlling linkage between a pickup module and a motor module according to a first embodiment of the present invention;
fig. 3 is a block diagram of a linkage control device of a pickup module and a motor module according to a second embodiment of the present invention.
Icon: 100-linkage control device of pickup module and motor module; 110-a linkage control module; 120-audio filtering module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
First embodiment
Referring to fig. 1, the present embodiment provides a linkage control method for a sound pickup module and a motor module, which can ensure an audio effect of the sound pickup module and improve the overall quality of audio.
The pickup module and the motor module linkage control method provided by the embodiment are mainly applied to the camera, the pickup module and the motor module can be both arranged in the shell of the camera, the pickup module can also be arranged in the shell, and the motor module is arranged outside the shell. Or the pickup module is arranged outside the shell, and the motor module is arranged in the shell. Or both may be mounted outside the housing. When motor module is driving the camera pivoted in-process, because pickup module is nearer with motor module mounted position, pickup module receives motor module's the interference of work easily when gathering the audio frequency. In this embodiment, the interference of the motor module to the sound pickup module during the motion process can be reduced. The specific working steps are as follows:
and S100, acquiring frequency band information of the motor module according to the motion characteristic of the motor module of the camera.
In the present embodiment, the motion characteristic includes at least one of a rotation speed, a rotation angle, and a rotation frequency.
In the present embodiment, the frequency band information of the motor module is obtained by detecting at least one of the rotational speed, the rotational angle, or the rotational frequency of the motor module.
Referring to fig. 2, step S100 may include step S110, step S120, step S130 and step S140.
In this embodiment, the motor module includes a horizontal motor, a vertical motor and a lens rotation motor, the horizontal motor is used for driving the camera to rotate in the horizontal direction, and the vertical motor is used for driving the camera to rotate in the vertical direction.
Step S110, acquiring a horizontal frequency band of the horizontal motor according to the detected motion characteristic of the horizontal motor.
In the present embodiment, when the horizontal motor is rotated, the horizontal frequency band of the horizontal motor is acquired in accordance with the detected motion characteristic of the horizontal motor.
In this embodiment, it is determined whether the horizontal motor is rotated, and when the horizontal motor is rotated, the motion characteristic of the horizontal motor is detected.
That is, in the present embodiment, it is determined whether the horizontal motor is in an operating state, and when the horizontal motor is in the operating state, the motion characteristic of the horizontal motor is detected, thereby acquiring the horizontal frequency band of the horizontal motor.
And step S120, acquiring a vertical frequency band of the vertical motor according to the detected motion characteristic of the vertical motor.
In the present embodiment, when the vertical motor is rotated, the vertical frequency band of the vertical motor is acquired according to the detected motion characteristic of the vertical motor.
In this embodiment, it is determined whether the vertical motor is rotated first, and when the vertical motor is rotated, the motion characteristic of the vertical motor is detected.
That is, in the present embodiment, it is determined whether the vertical motor is in an operating state, and when the vertical motor is in operation, the motion characteristic of the vertical motor is detected, so as to obtain the vertical frequency band of the vertical motor.
And step S130, acquiring the rotation frequency band of the lens rotation motor according to the detected motion characteristic of the lens rotation motor.
When the lens rotation motor rotates, the rotation frequency band of the lens rotation motor is obtained according to the detected motion characteristic of the lens rotation motor.
In this embodiment, it is determined whether the lens rotation motor rotates, and when the lens rotation motor rotates, the movement characteristic of the lens rotation motor is detected.
In this embodiment, it is first detected whether the lens rotation motor rotates, and when the lens rotation motor is in the operating state, it is described that the lens rotation motor is in the operating state, and the movement characteristic of the lens rotation motor in the operating state is detected, so as to obtain the rotation frequency band of the lens rotation motor.
In this embodiment, the steps S110, S120 and S130 are not in sequence, and the step S110 may be executed first, and then the steps S120 and S130 may be executed. Step S120 may be executed first, and step S110 and step S130 may be executed. Alternatively, step S130 is performed first, and then step S110 and step S120 are performed. That is, any one of the three steps may be performed first, any one of the remaining two may be performed, and the remaining one may be performed last. Step S110, step S120, and step S130 may be performed simultaneously.
Step S140, the horizontal band, the vertical band, and the rotation band are aggregated into band information.
In the present embodiment, the acquired horizontal band, the acquired vertical band, and the acquired rotation band are aggregated into band information.
In this embodiment, the frequency band information may include any one of the horizontal frequency band, the vertical frequency band, and the rotation frequency band, and may include any two or three of them, and is determined according to the operating states of the horizontal motor, the vertical motor, and the lens rotation motor at that time.
Referring to fig. 1, in step S200, the audio belonging to the frequency band information in the audio collected by the pickup module of the camera is filtered according to the frequency band information.
In this embodiment, the frequency band information of the motor module may be filtered by using a digital filter, a filter circuit, or a combination of digital filter and filter circuit.
In this embodiment, when the motion characteristic of motor module changes, the frequency band information appears undulantly promptly, and the frequency band information that can quick response frequency band information's change and accurate filtering motor module is located ensures pickup module's audio frequency effect, promotes the whole quality of audio frequency.
The working principle of the pickup module and motor module linkage control method provided by the embodiment is as follows: in this embodiment, it is first determined whether the horizontal motor, the vertical motor, and the lens rotation motor rotate and are in a working state. When it rotates, the motion characteristics of the rotating motor are detected and the corresponding frequency band is obtained. The frequency band information of the rotating motor is summarized. And then, audio belonging to frequency band information in the audio collected in the pickup module is filtered.
In summary, according to the sound pickup module and motor module linkage control method provided by this embodiment, when the motion characteristic of the motor module changes, that is, the frequency band information fluctuates, the change of the frequency band information can be responded quickly, the frequency band information where the motor module is located can be accurately filtered, the audio effect of the sound pickup module is ensured, and the overall quality of the audio is improved.
Second embodiment
Referring to fig. 3, the present embodiment provides a linkage control apparatus 100 for a sound pickup module and a motor module, which can ensure an audio effect of the sound pickup module and improve the overall quality of audio.
Where not mentioned, reference is made to embodiment one.
In this embodiment, the sound pickup module and motor module linkage control apparatus 100 includes:
and the linkage control module 110 is configured to obtain frequency band information of the motor module according to the detected motion characteristic of the motor module.
In the present embodiment, step S100 may be performed by the linkage control module 110.
And an audio filtering module 120, configured to filter, according to the frequency band information, audio belonging to the frequency band information in the audio collected by the sound pickup module.
In this embodiment, step S200 may be performed by the audio filtering module 120.
In this embodiment, the linkage control module 110 is further configured to obtain a horizontal frequency band of the horizontal motor according to the detected motion characteristic of the horizontal motor;
in this embodiment, the linkage control module 110 is further configured to obtain a vertical frequency band of the vertical motor according to the detected motion characteristic of the vertical motor;
in this embodiment, the linkage control module 110 is further configured to obtain a rotation frequency band of the lens rotation motor according to the detected motion characteristic of the lens rotation motor;
in this embodiment, the linkage control module 110 is further configured to aggregate the horizontal frequency band, the vertical frequency band, and the rotation frequency band into the frequency band information.
In the present embodiment, steps S110 to S140 may be performed by the linkage control module 110.
In the present embodiment, the linkage control module 110 and the audio filtering module 120 are integrated on the controller of the camera.
It should be noted that, in other embodiments of the present invention, the controller may further include a linkage control unit and an audio filtering unit, the linkage control module 110 is integrated on the linkage control unit, and the audio filtering module 120 is integrated on the linkage control unit. Alternatively, the controller includes a linkage control module 110 and an audio filtering module 120.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A pickup module and motor module linkage control method is characterized by comprising the following steps:
acquiring frequency band information of a motor module of a camera according to the motion characteristic of the motor module;
and filtering the audio belonging to the frequency band information in the audio collected by the pickup module of the camera according to the frequency band information.
2. The linkage control method of the pickup module and the motor module according to claim 1, wherein the motor module includes a horizontal motor, a vertical motor, and a lens rotation motor, and the step of acquiring the frequency band information of the motor module according to the motion characteristic of the motor module of the camera includes:
acquiring a horizontal frequency band of the horizontal motor according to the detected motion characteristic of the horizontal motor;
acquiring a vertical frequency band of the vertical motor according to the detected motion characteristic of the vertical motor;
acquiring a rotation frequency band of the lens rotation motor according to the detected movement characteristic of the lens rotation motor;
and summarizing the horizontal frequency band, the vertical frequency band and the rotation frequency band into the frequency band information.
3. The linkage control method of the pickup module and the motor module according to claim 2, wherein when the horizontal motor rotates, a horizontal frequency band of the horizontal motor is obtained according to the detected motion characteristic of the horizontal motor.
4. The linkage control method for the pickup module and the motor module according to claim 2, wherein when the vertical motor rotates, a vertical frequency band of the vertical motor is obtained according to the detected motion characteristic of the vertical motor.
5. The linkage control method of the pickup module and the motor module according to claim 2, wherein when the lens rotation motor rotates, a rotation frequency band of the lens rotation motor is obtained according to a detected movement characteristic of the lens rotation motor.
6. The method of claim 1, wherein the motion characteristic includes at least one of a rotational speed, a rotational angle, and a rotational frequency.
7. A linkage control device of a pickup module and a motor module is characterized in that,
the linkage control module is used for acquiring frequency band information of the motor module according to the detected motion characteristic of the motor module;
and the audio filtering module is used for filtering the audio belonging to the frequency band information in the audio collected by the pickup module according to the frequency band information.
8. The pickup module and motor module linkage control apparatus according to claim 7, further comprising:
the linkage control module is also used for acquiring the horizontal frequency band of the horizontal motor according to the detected motion characteristic of the horizontal motor;
the linkage control module is also used for acquiring a vertical frequency band of the vertical motor according to the detected motion characteristic of the vertical motor;
the linkage control module is also used for acquiring the rotation frequency band of the lens rotation motor according to the detected motion characteristic of the lens rotation motor;
the linkage control module is further configured to assemble the horizontal frequency band, the vertical frequency band, and the rotation frequency band into the frequency band information.
9. The pickup module and motor module linkage control apparatus according to claim 8,
and the linkage control module is also used for acquiring the horizontal frequency band of the horizontal motor according to the detected motion characteristic of the horizontal motor when the horizontal motor rotates.
10. A camera, comprising a controller, wherein a pickup module and motor module linkage control program is stored on the controller, and the pickup module and motor module linkage control program implements the pickup module and motor module linkage control method according to any one of claims 1 to 6.
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| CN201910751585.3A CN112399035B (en) | 2019-08-15 | 2019-08-15 | Pickup module and motor module linkage control method and device and camera |
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| CN201910751585.3A CN112399035B (en) | 2019-08-15 | 2019-08-15 | Pickup module and motor module linkage control method and device and camera |
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| CN112399035B CN112399035B (en) | 2022-06-14 |
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