WO2023061111A1 - 音频变焦的方法、装置、折叠屏设备及存储介质 - Google Patents

音频变焦的方法、装置、折叠屏设备及存储介质 Download PDF

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Publication number
WO2023061111A1
WO2023061111A1 PCT/CN2022/117617 CN2022117617W WO2023061111A1 WO 2023061111 A1 WO2023061111 A1 WO 2023061111A1 CN 2022117617 W CN2022117617 W CN 2022117617W WO 2023061111 A1 WO2023061111 A1 WO 2023061111A1
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WO
WIPO (PCT)
Prior art keywords
audio
folding
screen device
microphone
folding screen
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.)
Ceased
Application number
PCT/CN2022/117617
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English (en)
French (fr)
Inventor
施素碧
陈要刚
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.)
Huizhou TCL Mobile Communication Co Ltd
Original Assignee
Huizhou TCL Mobile Communication Co Ltd
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Filing date
Publication date
Application filed by Huizhou TCL Mobile Communication Co Ltd filed Critical Huizhou TCL Mobile Communication Co Ltd
Priority to US18/700,631 priority Critical patent/US20250287146A1/en
Publication of WO2023061111A1 publication Critical patent/WO2023061111A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0241—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings using relative motion of the body parts to change the operational status of the telephone set, e.g. switching on/off, answering incoming call
    • H04M1/0243—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings using relative motion of the body parts to change the operational status of the telephone set, e.g. switching on/off, answering incoming call using the relative angle between housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72433—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for voice messaging, e.g. dictaphones
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/40—Systems for automatic generation of focusing signals using time delay of the reflected waves, e.g. of ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
    • 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
    • H04N23/67—Focus control based on electronic image sensor signals
    • 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
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the technical field of folding screens, and in particular to an audio zooming method, device, folding screen device and storage medium.
  • smart phones can use audio zoom technology to focus the screen to a preset position to record the desired sound source, and then shoot the desired video for the user.
  • the audio zoom technology is widely used in smart phones, the audio zoom technology is also applied to smart phones with folding screens. Since the position of the pickup microphone in the folding screen mobile phone is fixed in the mobile phone, when the folding screen mobile phone is in the state of multi-angle flip, the relative position between the pickup microphones changes, resulting in the impact of video recording. Performance of audio zoom.
  • the embodiment of the present application provides an audio zooming method, device, folding screen device, and storage medium, which are used to solve the poor performance of audio zooming when the screen in the folding screen device in the prior art is in a multi-angle state for video shooting. technical problems.
  • the present application provides a data storage method, which includes:
  • an audio zooming device which includes:
  • a loading unit configured to load audio zoom parameters preset in the folding screen device
  • a receiving unit configured to receive an audio zoom request sent by a user
  • a first acquiring unit configured to acquire a folding angle of the folding screen device
  • the first calling unit is configured to call an audio parameter matching the folding angle among the audio zooming parameters and perform audio zooming in the folding screen device according to the audio parameter.
  • the embodiment of the present application further provides a folding screen device, including a memory, a processor, and a computer program stored in the memory and operable on the processor, wherein the processor executes the The computer program realizes the audio zooming method described in the first aspect above.
  • the embodiment of the present application further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the processor executes the above-mentioned The audio zooming method described in the first aspect.
  • the embodiments of the present application provide an audio zooming method, device, folding screen device, and storage medium.
  • the method includes: loading a preset audio zoom parameter in the folding screen device; receiving an audio zoom request sent by a user; acquiring the folding angle of the folding screen device; calling the audio zooming parameter and the folding angle matching audio parameters and performing audio zooming in the folding screen device according to the audio parameters.
  • This application loads the parameters for audio zooming in the folding screen device in advance, and when the user requests audio zooming, directly obtains the folding angle of the folding screen device, and then obtains and folds from the loaded parameters through the folding angle
  • the parameters matching the included angle further realize the automatic audio zoom function of the folding screen, and solve the technical problem of poor audio zoom performance in the prior art when the folding screen mobile phone is in a state of multi-angle flip.
  • FIG. 1 is a schematic flowchart of an audio zooming method provided in an embodiment of the present application
  • FIG. 2 is a schematic flow chart of an audio zooming method provided in an embodiment of the present application.
  • FIG. 3 is another schematic flowchart of the audio zooming method provided by the embodiment of the present application.
  • FIG. 4 is another schematic flowchart of the audio zooming method provided by the embodiment of the present application.
  • FIG. 5 is another schematic flowchart of the audio zooming method provided by the embodiment of the present application.
  • FIG. 6 is another schematic flowchart of the audio zooming method provided by the embodiment of the present application.
  • FIG. 7 is another schematic flowchart of the audio zooming method provided by the embodiment of the present application.
  • FIG. 8 is a schematic block diagram of an audio zooming device provided by an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a folding screen device provided by an embodiment of the present application.
  • Fig. 10 is a front view of the folding screen device provided in the embodiment of the present application in a state of being folded 180°;
  • Fig. 11 is a rear view of the foldable screen device in the folded 180° state provided by the embodiment of the present application;
  • Fig. 12 is a side view of a folding screen device in a state of being folded by 90° according to an embodiment of the present application.
  • FIG. 1 is a schematic flowchart of an audio zooming method provided by an embodiment of the present application.
  • the audio zooming method described in the embodiment of the present application is applied to a folding screen device, and the method implements the audio zooming method through application software installed in the folding screen device.
  • the folding screen device can be a terminal device with the function of connecting to the Internet, or a terminal device without the function of connecting to the Internet.
  • the terminal device is an LCD TV with a folding screen, a desktop computer, a notebook computer, a tablet computer or cell phone etc.
  • the method includes the following steps S110-S140.
  • the audio zoom parameter is a parameter that is pre-set in the folding screen device by the manufacturer of the folding screen device so that the audio zooming can be performed according to the audio zooming parameter when the folding screen device performs audio zooming information.
  • the folding screen device After the folding screen device detects the instruction information of the user's request for video shooting, it can execute the loading of the audio zoom parameters.
  • the audio zoom parameter is set according to the folded angle of the foldable screen of the foldable screen device, and the audio zoom parameter can be an audio parameter of one folded angle, or multiple folded folders
  • the audio parameters of the angle can also be the audio parameters of an included angle area, and can also be the audio parameters of multiple included angle areas.
  • the specific audio zoom parameters can be set according to the actual situation, which will not be done here. Specific limits.
  • S120 Receive an audio zoom request sent by the user.
  • the audio zoom request is the instruction information for the user to request audio zooming during the video shooting process of the folding screen device, that is, the instruction information for the user to click on the folding screen of the folding screen device to perform audio zooming .
  • the folding screen device can perform a series of subsequent audio zoom steps and provide the user with the best audio zoom effect.
  • the folding angle is the angle at which the folding screen of the folding screen device is flipped when the user uses the folding screen device for video shooting.
  • the Audio parameters matching the current folding angle of the folding screen of the folding screen device are obtained from the audio zooming parameters to perform audio zooming.
  • Figure 10 is a front view of the folding screen device provided by the embodiment of the present application in a 180° folded state
  • Figure 11 is a rear view of the foldable screen device provided by the embodiment of the present application in a 180° folded state
  • FIG. 12 is a side view of the folding screen device provided in the embodiment of the present application in a state of being folded at 90°.
  • the folding screen device is provided with a first pickup microphone MIC1, a second pickup microphone MIC2, and a third pickup microphone MIC3, and the first pickup microphone MIC1 is set on the The uppermost end of the upper screen of the folding screen device, the second pickup microphone MIC2 is set in the middle of the upper end of the upper screen of the folding screen device, and the third pickup microphone MIC3 is set on the folding screen device At the bottom of the screen at the lower end of the screen, each pickup microphone can be used as the main microphone in the audio zoom, and similarly, each pickup microphone in the folding screen device can be used as a noise canceling microphone in the audio zoom.
  • the folding angle is the angle between the upper screen of the folding screen device and the lower screen after being turned over.
  • the upper screen of the folding screen device When the upper screen of the folding screen device is parallel to the lower screen, the upper screen and the lower screen of the folding screen device
  • the folding angle between the screens is 180°; when the upper screen of the folding screen device is perpendicular to the lower screen, the folding angle between the upper screen and the lower screen of the folding screen device is 90°.
  • step S130 includes sub-steps S131 and S132.
  • the screen state is whether the folding screen of the folding screen in the folding screen device is in the open state, and the three-dimensional coordinates of the folding screen device are the X, Y, and Z dimensions of the folding screen device.
  • Coordinate information the sensor in the folding screen device obtains the current gravity parameter value of the folding screen device, and then calculates the corresponding formula to obtain the three-dimensional coordinates of the folding screen device, and finally through the folding screen
  • the three-dimensional coordinates of the equipment can be used to calculate the folding angle.
  • the screen state of the folding screen in the folding screen device is detected by using the Hall switch in the folding screen device, wherein the Hall switch is a switch made of a Hall element and is set in the In the folding screen device mentioned above.
  • the principle of the Hall switch detecting the screen state of the folding screen device is: when the magnetic object in the folding screen device moves close to the Hall switch, the Hall element on the switch detecting surface The state of the internal circuit of the switch changes, thereby identifying whether the folding screen of the folding screen in the folding screen device is in an open state.
  • step S132 includes sub-steps S1321 and S1322.
  • the top microphone is the second pickup microphone MIC2
  • the bottom microphone is the first pickup microphone MIC1
  • the folding screen device obtains its own After the coordinate information in the three dimensions of X, Y, and Z, the parameters of the three pickup microphones installed in the folding screen device are converted and calculated, and each pickup microphone can be obtained in X, Y, and Z. The coordinate information in three dimensions can then calculate the folding angle of the folding screen in the folding screen device.
  • step S1322 includes sub-steps S13221 and S13222.
  • the mapping relationship table between the distance and the folding angle is constructed in advance, so that the distance between the top microphone and the bottom microphone is calculated by using the three-dimensional coordinates of the top microphone and the three-dimensional coordinates of the bottom microphone. After the distance between them, the folding angle of the folding screen device can be determined from the mapping relationship table.
  • S140 Call an audio parameter matching the folding angle among the audio zoom parameters, and perform audio zooming in the folding screen device according to the audio parameter.
  • the audio zooming parameters include a plurality of audio parameters
  • the microphone in the folding screen device can perform audio zooming through any one of the audio zooming parameters, and each of the folding screen devices Each folding angle corresponds to one audio parameter in the audio zoom parameters. Therefore, after obtaining the folding angle of the folding screen device, the audio parameters corresponding to the folding angle of the folding screen device can be called from the loaded audio zoom parameters so that the pickup in the folding screen device
  • the audio microphone performs audio algorithm processing in the folding screen device according to the called audio parameters, and then realizes audio zooming.
  • step S140 includes sub-steps S141 , S142 and S143 .
  • the audio zoom parameters include a first audio parameter, a second audio parameter, and a third audio parameter
  • the first audio parameter is for the folding angle of the folding screen device to be between 90° and 120°.
  • the second audio parameter is the parameter information for the audio algorithm performed by the pickup microphone when the folding angle of the folding screen device is between 120° and 150°
  • the third audio parameter is the parameter information for the audio algorithm performed by the pickup microphone when the folding angle of the folding screen device is between 150° and 180°
  • the difference between the parameter and the third audio parameter is that the parameter information for setting the pre-amplification gain value of the microphone and defining the primary and secondary roles between the microphones are all different.
  • the folding screen device cannot obtain the target object by adjusting the focal length of the lens for audio zooming.
  • the foldable screen device cannot call the audio parameters of the audio zoom parameters to perform audio zoom and return to the state of preloading the audio zoom parameters.
  • step S140 further includes sub-steps S144, S145 and S146.
  • a mapping table of the folding angle and the position information of the main microphone and the noise-canceling microphone in the folding screen device is constructed in advance, and after obtaining the folding angle of the folding device, the mapping table can be Obtain the position information of the current main microphone and noise-cancelling microphone, and then determine the main microphone and noise-cancelling microphone in the foldable screen device. After determining the main microphone and noise-cancelling microphone, it can be set according to the zoom parameter called The pre-amplification gain values of the main microphone and the noise-canceling microphone in the folding screen device can then perform an audio algorithm to realize audio zooming in the folding screen device.
  • the folding device when the folding angle is between 90° and 120°, the folding device is in the desktop placement mode at this time, and the third pickup microphone MIC3 on the back of the folding device is the closest to the target sound source, so the third The pickup microphone MIC3 is used as the main microphone, the first pickup microphone MIC1 and the second pickup microphone MIC2 are used as sub-microphones, and the preamp gain value set by the third pickup microphone MIC3 is higher than that of the first pickup microphone MIC1 and the second pickup microphone.
  • the pre-amplification gain value of the pickup microphone MIC2 is used to ensure the maximum recorded target sound, and the first pickup microphone MIC1 and the second pickup microphone MIC2 are used as noise-cancellation microphones to suppress sound sources outside the target range.
  • the core idea of the audio algorithm is: when the device is in the video shooting mode, if the video shooting screen is focused on a specific position to record the audio of the target at that position, the sound of the target will change as the focal length of the video increases. If the device is far away from the target sound source and it is not clear, adjust the focal length of the lens to zoom in on the screen, and the target sound source will be brought closer to the device accordingly; if the target sound source is disturbed by surrounding noisy sound sources , just zoom in on the screen, and the audio source will be zoomed in on the device accordingly.
  • steps S146a and S146b are also included.
  • the folding screen device calculates the distance between the target sound source and the folding screen device by detecting the strength of the current target sound source transmitted to the folding screen device, and then judges whether the distance exceeds a preset threshold , if the preset threshold is exceeded, the folding screen device will automatically adjust the focal length of the lens so that the main microphone can better record the target sound source.
  • the audio zooming method by loading the audio zooming parameters preset in the folding screen device; receiving the audio zooming request sent by the user; obtaining the folding angle of the folding screen device; calling the Among the audio zoom parameters, an audio parameter that matches the folding angle is selected, and audio zooming is performed in the folding screen device according to the audio parameter.
  • This application loads the parameters for audio zooming in the folding screen device in advance, and when the user requests audio zooming, directly obtains the folding angle of the folding screen device, and then obtains and folds from the loaded parameters through the folding angle
  • the parameters of the included angle match, and then realize the automatic audio zoom function of the folding screen, and solve the technical problem of poor audio zoom performance in the prior art when the folding screen mobile phone is in the state of multi-angle flipping, so that the user no matter how flipping
  • the folding screen allows users to experience the best audio zoom effect during video shooting.
  • the embodiment of the present application also provides an audio zooming apparatus 100, which is used to implement any embodiment of the foregoing audio zooming method.
  • FIG. 8 is a schematic block diagram of an audio zooming apparatus 100 provided in an embodiment of the present application.
  • the audio zooming device 100 includes: a loading unit 110 , a receiving unit 120 , a first acquiring unit 130 and a first calling unit 140 .
  • the loading unit 110 is configured to load audio zoom parameters preset in the folding screen device.
  • the receiving unit 120 is configured to receive an audio zoom request sent by a user.
  • the first obtaining unit 130 is configured to obtain the folding angle of the folding screen device.
  • the first acquisition unit 130 includes: a detection unit and a first calculation unit.
  • the detection unit is configured to detect the screen state of the folding screen device according to the Hall switch of the folding screen device; the first calculation unit is configured to detect the screen state of the folding screen device according to the three-dimensional coordinates of the folding screen device if the screen state is an open state. Calculate the fold angle.
  • the first calculation unit includes: a second acquisition unit and a second calculation unit.
  • the second acquisition unit is used to acquire the three-dimensional coordinates of the top microphone and the three-dimensional coordinates of the bottom microphone of the folding screen device; the second calculation unit is used to calculate the three-dimensional coordinates of the top microphone and the bottom microphone The folding angle.
  • the second calculation unit includes: a third calculation unit and a first determination unit.
  • the third calculation unit is used to calculate the distance between the top microphone and the bottom microphone according to the three-dimensional coordinates of the top microphone and the three-dimensional coordinates of the bottom microphone; the first determination unit is used to determine according to the distance The folding angle.
  • the first calling unit 140 is configured to call an audio parameter matching the folding angle among the audio zoom parameters and perform audio zooming in the folding screen device according to the audio parameters.
  • the first calling unit 140 includes: a second calling unit, a third calling unit and a fourth calling unit.
  • the second calling unit is used to call the first audio parameter in the audio zoom parameters if the folding angle is between 90° and 120°; the third calling unit is used to call the first audio parameter if the folding angle is between 120° Between ° ⁇ 150°, call the second audio parameter in the audio zoom parameter; the fourth call unit is used to call the audio zoom parameter if the folding angle is between 150° ⁇ 180° The third audio parameter.
  • the first calling unit 140 further includes: a second determining unit, a setting unit, and an audio algorithm unit.
  • the second determination unit is used to determine the main microphone and the noise cancellation microphone in the folding screen device according to the folding angle; the setting unit is used to set the preamplification gain of the main microphone according to the audio parameters value and the pre-amplification gain value of the noise-canceling microphone; an audio algorithm unit, configured to perform audio algorithm processing on the main microphone and the noise-canceling microphone whose pre-amplification gain value is set to realize the audio zoom.
  • the audio zooming apparatus 100 further includes: a fourth calculating unit and an adjusting unit.
  • the fourth calculation unit is used to calculate the distance between the target sound source and the folding screen device; the adjustment unit is used to adjust the lens focal length of the folding screen device if the distance exceeds a preset threshold.
  • the audio zooming device 100 provided in the embodiment of the present application is used to execute the above-mentioned loading of the preset audio zooming parameters in the folding screen device; receive the audio zooming request sent by the user; obtain the folding angle of the folding screen device; call The audio zooming in the folding screen device is performed according to the audio parameter matching the folding angle among the audio zooming parameters.
  • the above audio zooming apparatus may be implemented in the form of a computer program, and the computer program may run on the folding screen device as shown in FIG. 9 .
  • FIG. 9 is a schematic block diagram of a folding screen device provided by an embodiment of the present application.
  • the folding screen device 500 may be a terminal, wherein the terminal may be an electronic device with a communication function such as a smart phone with a folding screen, a tablet computer, a notebook computer, a desktop computer, a personal digital assistant, and a wearable device.
  • the folding screen device 500 includes a processor 502 connected through a system bus 501 , a memory and a network interface 505 , where the memory may include a non-volatile storage medium 503 and an internal memory 504 .
  • the non-volatile storage medium 503 can store an operating system 5031 and a computer program 5032 .
  • the computer program 5032 includes program instructions. When executed, the program instructions can cause the processor 502 to perform an audio zooming method.
  • the processor 502 is used to provide computing and control capabilities to support the operation of the entire folding screen device 500 .
  • the internal memory 504 provides an environment for running the computer program 5032 in the non-volatile storage medium 503.
  • the processor 502 can execute an audio zooming method.
  • the network interface 505 is used for network communication with other devices.
  • the structure shown in Figure 9 is only a block diagram of a partial structure related to the solution of this application, and does not constitute a limitation on the folding screen device 500 to which the solution of this application is applied.
  • the screen device 500 may include more or fewer components than shown in the figure, or combine certain components, or have a different arrangement of components.
  • the processor 502 is configured to run the computer program 5032 stored in the memory to implement the following steps: load the audio zoom parameters preset in the folding screen device; receive an audio zoom request sent by the user; obtain the folding screen device. The folding angle of the screen device; call the audio parameter matching the folding angle among the audio zoom parameters, and perform audio zooming in the folding screen device according to the audio parameter.
  • the processor 502 when the processor 502 implements the acquisition of the folding angle of the folding screen device, the following steps are specifically implemented: detecting the screen state of the folding screen device according to the Hall switch of the folding screen device; If the screen state is an open state, the folding angle is calculated according to the three-dimensional coordinates of the folding screen device.
  • the processor 502 when the processor 502 implements the calculation of the folding angle according to the three-dimensional coordinates of the folding screen device, the following steps are specifically implemented: acquiring the three-dimensional coordinates of the top microphone and the bottom microphone of the folding screen device The three-dimensional coordinates of the top microphone and the three-dimensional coordinates of the bottom microphone are used to calculate the folding angle.
  • the processor 502 when the processor 502 calculates the folding angle according to the three-dimensional coordinates of the top microphone and the three-dimensional coordinates of the bottom microphone, it specifically implements the following steps: according to the three-dimensional coordinates of the top microphone . Calculate the distance between the top microphone and the bottom microphone based on the three-dimensional coordinates of the bottom microphone; determine the folding angle according to the distance.
  • the processor 502 when the processor 502 implements the calling of the audio parameters matching the folding angle among the audio zoom parameters, the following steps are specifically implemented: if the folding angle is between 90° and 120° In between, call the first audio parameter in the audio zoom parameters; if the folding angle is between 120° ⁇ 150°, call the second audio parameter in the audio zooming parameters; if the folding angle If it is between 150° and 180°, call the third audio parameter in the audio zoom parameters.
  • the processor 502 when the processor 502 implements the audio zooming in the folding screen device according to the audio parameters, it specifically implements the following steps: determine the main position in the folding screen device according to the folding angle Microphone and noise cancellation microphone; set the preamplification gain value of the main microphone and the preamplification gain value of the noise cancellation microphone according to the audio parameters; set the preamplification gain value of the main microphone and noise cancellation The microphone performs audio algorithm processing to realize the audio zooming.
  • the processor 502 before the processor 502 implements the audio zooming in the folding screen device according to the determined main microphone and the noise canceling microphone, the following steps are specifically implemented: calculating the distance between the target sound source and the folding screen device the distance between them; if the distance exceeds a preset threshold, adjust the focal length of the lens of the folding screen device.
  • the processor 502 may be a central processing unit (Central Processing Unit, CPU), the processor 502 can also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the computer program includes program instructions, and the computer program can be stored in a storage medium, which is a computer-readable storage medium.
  • the program instructions are executed by at least one processor in the computer system to implement the process steps of the above method embodiments.
  • the present application also provides a storage medium.
  • the storage medium may be a computer readable storage medium.
  • the storage medium stores a computer program, wherein the computer program includes program instructions.
  • the processor executes the following steps: load the preset audio zoom parameters in the folding screen device; receive the audio zoom request sent by the user; obtain the folding angle of the folding screen device; call the Among the audio zoom parameters, an audio parameter that matches the folding angle is selected, and audio zooming is performed in the folding screen device according to the audio parameter.
  • the processor executes the program instructions to achieve the acquisition of the folding angle of the folding screen device, the following steps are specifically implemented: detecting the folding angle according to the Hall switch of the folding screen device The screen status of the folding screen device; if the screen status is on, the folding angle is calculated according to the three-dimensional coordinates of the folding screen device.
  • the processor executes the program instructions to realize the calculation of the folding angle according to the three-dimensional coordinates of the folding screen device
  • the following steps are specifically implemented: obtaining the top of the folding screen device The three-dimensional coordinates of the microphone and the three-dimensional coordinates of the bottom microphone; the folding angle is calculated according to the three-dimensional coordinates of the top microphone and the three-dimensional coordinates of the bottom microphone.
  • the processor executes the program instructions to realize the calculation of the folding angle according to the three-dimensional coordinates of the top microphone and the three-dimensional coordinates of the bottom microphone
  • the following steps are specifically implemented: according to The three-dimensional coordinates of the top microphone and the three-dimensional coordinates of the bottom microphone calculate the distance between the top microphone and the bottom microphone; determine the folding angle according to the distance.
  • the processor executes the program instructions to implement the calling of the audio parameters matching the folding angle among the audio zoom parameters, the following steps are specifically implemented: if the folder If the angle is between 90° and 120°, call the first audio parameter in the audio zoom parameters; if the folding angle is between 120° and 150°, call the second audio parameter in the audio zoom parameters ; If the folding angle is between 150° and 180°, call the third audio parameter in the audio zoom parameters.
  • the processor executes the program instructions to implement the audio zooming in the folding screen device according to the audio parameters
  • the following steps are specifically implemented: determining the folding screen according to the folding angle
  • the main microphone and the noise-canceling microphone in the folding screen device according to the audio parameters, the pre-amplification gain value of the main microphone and the pre-amplification gain value of the noise-canceling microphone are set; for setting the pre-amplification gain
  • the main microphone and the noise canceling microphone of the value are processed by an audio algorithm to realize the audio zoom.
  • the processor executes the program instructions to implement audio zooming in the folding screen device according to the determined main microphone and noise-canceling microphone, the following steps are specifically implemented: calculating the target sound source The distance from the folding screen device; if the distance exceeds a preset threshold, adjust the focal length of the lens of the folding screen device.
  • the storage medium may be various computer-readable storage media capable of storing program codes, such as a U disk, a mobile hard disk, a read-only memory (Read-Only Memory, ROM), a magnetic disk, or an optical disk.
  • program codes such as a U disk, a mobile hard disk, a read-only memory (Read-Only Memory, ROM), a magnetic disk, or an optical disk.
  • the disclosed devices and methods may be implemented in other ways.
  • the device embodiments described above are illustrative only.
  • the division of each unit is only a logical function division, and there may be another division method in actual implementation.
  • several units or components may be combined or integrated into another system, or some features may be omitted, or not implemented.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of software products, and the computer software products are stored in a storage medium
  • several instructions are included to make a folding screen device (which may be a personal computer, a terminal, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.

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Abstract

本申请实施例公开了一种音频变焦的方法、装置、折叠屏设备及存储介质。该方法包括：加载所述折叠屏设备中预置的音频变焦参数；接收用户发送的音频变焦请求；获取所述折叠屏设备的折叠夹角；调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。本申请可以解决现有技术中折叠屏手机处于多角度翻转的状态时，音频变焦的性能较差的技术问题。

Description

音频变焦的方法、装置、折叠屏设备及存储介质
本申请要求申请日为2021年10月11日、申请号为CN202111183467.0、发明名称为“音频变焦的方法、装置、折叠屏设备及存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及折叠屏技术领域，尤其涉及一种音频变焦的方法、装置、折叠屏设备及存储介质。
 背景技术
目前，智能手机在进行视频拍摄的过程中，可采用音频变焦技术将画面对焦至预设的位置处，以录制所需的音源，进而为用户拍摄所需的视频。
随着音频变焦技术在智能手机中得到了广泛的应用，音频变焦技术同样也应用于折叠屏的智能手机中。由于拾音麦克在折叠屏手机中的位置在手机中处于固定位置，当折叠屏手机处于多角度翻转的状态时，拾音麦克之间的相对位置发生了变化，导致在进行视频拍摄时，影响音频变焦的性能。
 技术问题
本申请实施例提供了一种音频变焦的方法、装置、折叠屏设备及存储介质，用于解决现有技术中折叠屏设备中的屏幕处于多角度状态进行视频拍摄时，音频变焦的性能较差的技术问题。
 技术解决方案
为了解决上述技术问题，本申请所采用的技术方案如下：
第一方面，本申请提供一种数据存储方法，其包括：
加载所述折叠屏设备中预置的音频变焦参数；
接收用户发送的音频变焦请求；
获取所述折叠屏设备的折叠夹角；
调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
第二方面，本申请实施例提供了一种音频变焦的装置，其包括：
加载单元，用于加载所述折叠屏设备中预置的音频变焦参数；
接收单元，用于接收用户发送的音频变焦请求；
第一获取单元，用于获取所述折叠屏设备的折叠夹角；
第一调用单元，用于调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
第三方面，本申请实施例又提供了一种折叠屏设备，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现如上述第一方面所述的音频变焦的方法。
第四方面，本申请实施例还提供了一种计算机可读存储介质，其中，所述计算机可读存储介质存储有计算机程序，所述计算机程序当被处理器执行时使所述处理器执行上述第一方面所述的音频变焦的方法。
 有益效果
与现有技术相比，本申请实施例提供了一种音频变焦的方法、装置、折叠屏设备及存储介质。该方法包括：加载所述折叠屏设备中预置的音频变焦参数；接收用户发送的音频变焦请求；获取所述折叠屏设备的折叠夹角；调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。本申请通过预先在折叠屏设备中加载用于进行音频变焦的参数，当用户请求进行音频变焦时，直接获取折叠屏设备的折叠夹角，然后通过折叠夹角从加载后的参数中获取与折叠夹角相匹配的参数，进而实现了折叠屏的自动音频变焦功能，解决了现有技术中折叠屏手机处于多角度翻转的状态时，音频变焦的性能较差的技术问题。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的音频变焦的方法的流程示意图；
图2为本申请实施例提供的音频变焦的方法的一流程示意图；
图3为本申请实施例提供的音频变焦的方法的另一流程示意图；
图4为本申请实施例提供的音频变焦的方法的另一流程示意图；
图5为本申请实施例提供的音频变焦的方法的另一流程示意图；
图6为本申请实施例提供的音频变焦的方法的另一流程示意图；
图7为本申请实施例提供的音频变焦的方法的另一流程示意图；
图8为本申请实施例提供的音频变焦的装置的示意性框图；
图9为本申请实施例提供的折叠屏设备的示意性框图；
图10为本申请实施例提供的折叠屏设备处于折叠180°状态的正视图；
图11为本申请实施例提供的折叠屏设备处于折叠180°状态的后视图；
图12为本申请实施例提供的折叠屏设备处于折叠90°状态的侧视图。
本申请的实施方式
为下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
应当理解，当在本说明书和所附权利要求书中使用时，术语“包括”和“包含”指示所描述特征、整体、步骤、操作、元素和/或组件的存在，但并不排除一个或多个其它特征、整体、步骤、操作、元素、组件和/或其集合的存在或添加。
还应当理解，在此本申请说明书中所使用的术语仅仅是出于描述特定实施例的目的而并不意在限制本申请。如在本申请说明书和所附权利要求书中所使用的那样，除非上下文清楚地指明其它情况，否则单数形式的“一”、“一个”及“该”意在包括复数形式。
还应当进一步理解，在本申请说明书和所附权利要求书中使用的术语“和/或”是指相关联列出的项中的一个或多个的任何组合以及所有可能组合，并且包括这些组合。
请参阅图1，图1为本申请实施例提供的音频变焦的方法的流程示意图。本申请实施例的所述的音频变焦的方法应用于折叠屏设备中，该方法通过安装于折叠屏设备中的应用软件进行执行音频变焦的方法。其中，折叠屏设备既可以为具备接入互联网功能的终端设备，也可以为不具备接入互联网功能的终端设备，该终端设备为具有折叠屏幕的液晶电视、台式电脑、笔记本电脑、平板电脑或手机等。
下面对所述的音频变焦的方法进行详细说明。
如图1所示，该方法包括以下步骤S110~S140。
S110、加载所述折叠屏设备中预置的音频变焦参数。
其中，所述音频变焦参数为制造所述折叠屏设备的供应商预先在所述折叠屏设备中设定以便于所述折叠屏设备进行音频变焦时可根据所述音频变焦参数进行音频变焦的参数信息。所述折叠屏设备检测到用户请求进行视频拍摄的指令信息后，便可执行所述音频变焦参数的加载。
在本实施例中，所述音频变焦参数根据所述折叠屏设备的折叠屏翻转的夹角设定，所述音频变焦参数既可以为一个折叠夹角的音频参数，也可以为多个折叠夹角的音频参数，还可以为一个夹角区域的音频参数，同时也可以为多个夹角区域的音频参数，其中，具体音频变焦参数的设定可根据实际情况进行设定，在此不做具体限定。
S120、接收用户发送的音频变焦请求。
具体的，所述音频变焦请求为用户在采用所述折叠屏设备进行视频拍摄的过程中请求进行音频变焦的指令信息，即用户在所述折叠屏设备的折叠屏上点击进行音频变焦的指令信息。所述折叠屏设备在接收到用户向所述音频变焦请求后，便可进行后续一系列的音频变焦的步骤并为用户提供最佳的音频变焦效果。
S130、获取所述折叠屏设备的折叠夹角。
具体的，所述折叠夹角为用户在使用所述折叠屏设备进行视频拍摄时所述折叠屏设备的折叠屏翻转的夹角，通过获取所述折叠屏设备的折叠夹角后，便可根据从所述音频变焦参数中获取与所述折叠屏设备的折叠屏当前的折叠夹角相匹配的音频参数以进行音频变焦。
如图10-图12所示，图10为本申请实施例提供的折叠屏设备处于折叠180°状态的正视图；图11为本申请实施例提供的折叠屏设备处于折叠180°状态的后视图；图12为本申请实施例提供的折叠屏设备处于折叠90°状态的侧视图。如图10-图12所示，所述折叠屏设备中设置有第一拾音麦克MIC1、第二拾音麦克MIC2以及第三拾音麦克MIC3，所述第一拾音麦克MIC1设置在所述折叠屏设备的上端屏幕的最上端，所述第二拾音麦克MIC2设置在所述折叠屏设备的上端屏幕的中上端的正中间，所述第三拾音麦克MIC3设置在所述折叠屏设备的下端屏幕的最下端，每个拾音麦克均可作为音频变焦中的主麦克，同样的，所述折叠屏设备中的每个拾音麦克均可作为音频变焦中的消噪麦克。所述折叠夹角为所述折叠屏设备的上端屏幕翻转后与下端屏幕之间的夹角，当所述折叠屏设备的上端屏幕与下端屏幕平行时，所述折叠屏设备的上端屏幕与下端屏幕之间的折叠夹角为180°；当所述折叠屏设备的上端屏幕与下端屏幕垂直时，所述折叠屏设备的上端屏幕与下端屏幕之间的折叠夹角为90°。
在其他发明实施例中，如图2所示，步骤S130包括子步骤S131和S132。
S131、根据所述折叠屏设备的霍尔开关检测所述折叠屏设备的屏幕状态；
S132、若所述屏幕状态为开启状态，根据所述折叠屏设备的三维坐标计算所述折叠夹角。
具体的，所述屏幕状态为所述折叠屏设备中折叠屏的折叠屏是否处于开启的状态，所述折叠屏设备的三维坐标为所述折叠屏设备在X、Y、Z三个维度上的坐标信息，所述折叠屏设备中的传感器在获取到所述折叠屏设备当前的重力参数值，然后进行相应的公式计算，便可得到所述折叠屏设备的三维坐标，最后通过所述折叠屏设备的三维坐标便可计算出所述折叠夹角。
在本实施例中，通过采用所述折叠屏设备中的霍尔开关来检测所述折叠屏设备中的折叠屏的屏幕状态，其中霍尔开关是利用霍尔元件做成的开关并设置在所述折叠屏设备中。其中，霍尔开关检测所述折叠屏设备的屏幕状态的原理为：当所述折叠屏设备中的磁性物件移近霍尔开关时，开关检测面上的霍尔元件因产生霍尔效应而使开关内部电路状态发生变化，进而识别所述叠屏设备中折叠屏的折叠屏是否处于开启的状态。
在其他发明实施例中，如图3所示，步骤S132包括子步骤S1321和S1322。
S1321、获取所述折叠屏设备的顶部麦克的三维坐标以及底部麦克的三维坐标；
S1322、根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角。
在本实施例中，如图10-图12所示，所述顶部麦克为第二拾音麦克MIC2，所述底部麦克为第一拾音麦克MIC1，所述折叠屏设备在通过自身传感器获得自身在X、Y、Z三个维度上的坐标信息后，根据三个拾音麦克在所述折叠屏设备中安装时的参数进行转换计算，便可得到每个拾音麦克在X、Y、Z三个维度上的坐标信息，进而便可计算处所述折叠屏设备中折叠屏的折叠夹角。
在其他发明实施例中，如图4所示，步骤S1322包括子步骤S13221和S13222。
S13221、根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述顶部麦克与所述底部麦克之间的距离；
S13222、根据所述距离确定所述折叠夹角。
在本实施例中，预先构建所述距离与折叠夹角之间的映射关系表，使得通过所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述顶部麦克与所述底部麦克之间的距离后，便可从该映射关系表中确定所述折叠屏设备的折叠夹角。
S140、调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
在本实施例中，所述音频变焦参数包括多个音频参数，所述折叠屏设备中的麦克可通过所述音频变焦参数中的任意一个音频参数来进行音频变焦，所述折叠屏设备的每一个折叠夹角均对应所述音频变焦参数中的一个音频参数。因此在获取所述折叠屏设备的折叠夹角后，便可从加载后的音频变焦参数中调用与所述折叠屏设备的折叠夹角向对应的音频参数以使得所述折叠屏设备中的拾音麦克根据调用的音频参数在所述折叠屏设备中进行音频算法处理，进而实现音频变焦。
在其他发明实施例中，如图5所示，步骤S140包括子步骤S141、S142和S143。
S141、若所述折叠夹角处于90°~120°之间，调用所述音频变焦参数中的第一音频参数；
S142、若所述折叠夹角处于120°~150°之间，调用所述音频变焦参数中的第二音频参数；
S143、若所述折叠夹角处于150°~180°之间，调用所述音频变焦参数中的第三音频参数。
在本实施例中，所述音频变焦参数包括第一音频参数、第二音频参数和第三音频参数，所述第一音频参数为用于所述折叠屏设备的折叠夹角处于90°~120°之间时拾音麦克进行音频算法的参数信息，所述第二音频参数为用于所述折叠屏设备的折叠夹角处于120°~150°之间时拾音麦克进行音频算法的参数信息，所述第三音频参数为用于所述折叠屏设备的折叠夹角处于150°~180°之间时拾音麦克进行音频算法的参数信息，所述第一音频参数、所述第二音频参数以及所述第三音频参数之间的区别在于设置麦克的前置放大增益值和定义麦克之间主次角色的参数信息均不相同。另外，当所述折叠屏设备的折叠夹角低于90°或所述折叠屏设备的折叠屏处于关闭屏幕的状态时，折叠屏设备无法通过调节镜头焦距来获取目标对象以进行音频变焦，此时折叠屏设备无法调用所述音频变焦参数的音频参数来进行音频变焦并返回预先加载音频变焦参数的状态。
在其他发明实施例中，如图6所示，步骤S140还包括子步骤S144、S145和S146。
S144、根据所述折叠夹角确定所述折叠屏设备中的主麦克和消噪麦克；
S145、根据所述音频参数设定所述主麦克的前置放大增益值以及所述消噪麦克的前置放大增益值；
S146、对设定前置放大增益值的主麦克和消噪麦克进行音频算法处理以实现所述音频变焦。
在本实施例中，预先构建折叠夹角与所述折叠屏设备中主麦克和消噪麦克的位置信息的映射表，在获取到所述折叠设备的折叠夹角后，便可从该映射表中获取当前主麦克和消噪麦克的位置信息，进而便可在所述折叠屏设备中确定主麦克和消噪麦克，在确定主麦克和消噪麦克后，便可根据调用的变焦参数设定所述折叠屏设备中主麦克和消噪麦克的前置放大增益值，进而便可进行音频算法，以在所述折叠屏设备中实现音频变焦。
例如，如图12所示，当所述折叠夹角处于90~120°时，此时折叠设备处于桌面放置模式，此时折叠设备背部的第三拾音麦克MIC3距离目标音源最近，故第三拾音麦克MIC3作为主麦克，第一拾音麦克MIC1和第二拾音麦克MIC2作为副麦克，第三拾音麦克MIC3设定的前置放大增益值高于第一拾音麦克MIC1和第二拾音麦克MIC2的前置放大增益值，以保证录制下来的目标声音最大，并且第一拾音麦克MIC1和第二拾音麦克MIC2作为消噪麦克抑制目标范围之外的音源。
其中，音频算法的核心思想为：设备处于视频拍摄模式下时，若将视频拍摄画面对焦到特定位置处以录制该位置所处目标的音频，此时目标声音的大小便会随视频焦距增加而变大，其它方向的干扰音源则会被抑制；若设备离目标音源较远且不清晰，调节镜头焦距拉近画面，目标音源则会相应拉近至设备处；若目标音源被周边嘈杂的音源干扰，只需拉近画面，标音源则会相应拉近至设备处。
在其他发明实施例中，如图7所示，步骤S146之前，还包括步骤S146a和S146b。
S146a、计算目标音源与所述折叠屏设备之间的间距；
S146b、若所述间距超过预设的阈值，调节所述折叠屏设备的镜头焦距。
在本实施例中，所述折叠屏设备通过检测当前目标音源传输到所述折叠屏设备中的强度来计算目标音源与折叠屏设备之间的间距，然后判断该间距是否超过了预设的阈值，若超过预设的阈值，折叠屏设备自动调节镜头焦距以便于主麦克更好的录制目标音源。
在本申请实施例所提供的音频变焦的方法中，通过加载所述折叠屏设备中预置的音频变焦参数；接收用户发送的音频变焦请求；获取所述折叠屏设备的折叠夹角；调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。本申请通过预先在折叠屏设备中加载用于进行音频变焦的参数，当用户请求进行音频变焦时，直接获取折叠屏设备的折叠夹角，然后通过折叠夹角从加载后的参数中获取与折叠夹角相匹配的参数，进而实现了折叠屏的自动音频变焦功能，解决了现有技术中折叠屏手机处于多角度翻转的状态时，音频变焦的性能较差的技术问题，使得用户不管如何翻转折叠屏，为用户在进行视频拍摄过程中，体验到最佳的音频变焦效果。
本申请实施例还提供了一种音频变焦的装置100，该装置用于执行前述音频变焦的方法的任一实施例。
具体地，请参阅图8，图8是本申请实施例提供的音频变焦的装置100的示意性框图。
如图8所示，所述的音频变焦的装置100，该装置包括：加载单元110、接收单元120、第一获取单元130和第一调用单元140。
加载单元110，用于加载所述折叠屏设备中预置的音频变焦参数。
接收单元120，用于接收用户发送的音频变焦请求。
第一获取单元130，用于获取所述折叠屏设备的折叠夹角。
在另一实施例中，所述第一获取单元130包括：检测单元和第一计算单元。
检测单元，用于根据所述折叠屏设备的霍尔开关检测所述折叠屏设备的屏幕状态；第一计算单元，用于若所述屏幕状态为开启状态，根据所述折叠屏设备的三维坐标计算所述折叠夹角。
在另一实施例中，所述第一计算单元包括：第二获取单元和第二计算单元。
第二获取单元，用于获取所述折叠屏设备的顶部麦克的三维坐标以及底部麦克的三维坐标；第二计算单元，用于根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角。
在另一实施例中，所述第二计算单元包括：第三计算单元和第一确定单元。
第三计算单元，用于根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述顶部麦克与所述底部麦克之间的距离；第一确定单元，用于根据所述距离确定所述折叠夹角。
第一调用单元140，用于调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
在另一实施例中，所述第一调用单元140包括：第二调用单元、第三调用单元和第四调用单元。
第二调用单元，用于若所述折叠夹角处于90°~120°之间，调用所述音频变焦参数中的第一音频参数；第三调用单元，用于若所述折叠夹角处于120°~150°之间，调用所述音频变焦参数中的第二音频参数；第四调用单元，用于若所述折叠夹角处于150°~180°之间，调用所述音频变焦参数中的第三音频参数。
在另一实施例中，所述第一调用单元140还包括：第二确定单元、设定单元和音频算法单元。
第二确定单元，用于根据所述折叠夹角确定所述折叠屏设备中的主麦克和消噪麦克；设定单元，用于根据所述音频参数设定所述主麦克的前置放大增益值以及所述消噪麦克的前置放大增益值；音频算法单元，用于对设定前置放大增益值的主麦克和消噪麦克进行音频算法处理以实现所述音频变焦。
在另一实施例中，所述的音频变焦的装置100还包括：第四计算单元和调节单元。
第四计算单元，用于计算目标音源与所述折叠屏设备之间的间距；调节单元，用于若所述间距超过预设的阈值，调节所述折叠屏设备的镜头焦距。
本申请实施例所提供的音频变焦的装置100用于执行上述加载所述折叠屏设备中预置的音频变焦参数；接收用户发送的音频变焦请求；获取所述折叠屏设备的折叠夹角；调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
需要说明的是，所属领域的技术人员可以清楚地了解到，上述音频变焦的装置100和各单元的具体实现过程，可以参考前述方法实施例中的相应描述，为了描述的方便和简洁，在此不再赘述。
上述音频变焦的装置可以实现为一种计算机程序的形式，该计算机程序可以在如图9所示的折叠屏设备上运行。
请参阅图9，图9是本申请实施例提供的一种折叠屏设备的示意性框图。该折叠屏设备500可以是终端，其中，终端可以是具有折叠屏的智能手机、平板电脑、笔记本电脑、台式电脑、个人数字助理和穿戴式设备等具有通信功能的电子设备。
参阅图9，该折叠屏设备500包括通过系统总线501连接的处理器502、存储器和网络接口505，其中，存储器可以包括非易失性存储介质503和内存储器504。
该非易失性存储介质503可存储操作系统5031和计算机程序5032。该计算机程序5032包括程序指令，该程序指令被执行时，可使得处理器502执行一种音频变焦的方法。
该处理器502用于提供计算和控制能力，以支撑整个折叠屏设备500的运行。
该内存储器504为非易失性存储介质503中的计算机程序5032的运行提供环境，该计算机程序5032被处理器502执行时，可使得处理器502执行一种音频变焦的方法。
该网络接口505用于与其它设备进行网络通信。本领域技术人员可以理解，图9中示出的结构，仅仅是与本申请方案相关的部分结构的框图，并不构成对本申请方案所应用于其上的折叠屏设备500的限定，具体的折叠屏设备500可以包括比图中所示更多或更少的部件，或者组合某些部件，或者具有不同的部件布置。
其中，所述处理器502用于运行存储在存储器中的计算机程序5032，以实现如下步骤：加载所述折叠屏设备中预置的音频变焦参数；接收用户发送的音频变焦请求；获取所述折叠屏设备的折叠夹角；调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
在一实施例中，处理器502在实现所述获取所述折叠屏设备的折叠夹角时，具体实现如下步骤：根据所述折叠屏设备的霍尔开关检测所述折叠屏设备的屏幕状态；若所述屏幕状态为开启状态，根据所述折叠屏设备的三维坐标计算所述折叠夹角。
在一实施例中，处理器502在实现所述根据所述折叠屏设备的三维坐标计算所述折叠夹角时，具体实现如下步骤：获取所述折叠屏设备的顶部麦克的三维坐标以及底部麦克的三维坐标；根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角。
在一实施例中，处理器502在实现所述根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角时，具体实现如下步骤：根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述顶部麦克与所述底部麦克之间的距离；根据所述距离确定所述折叠夹角。
在一实施例中，处理器502在实现所述调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数时，具体实现如下步骤：若所述折叠夹角处于90°~120°之间，调用所述音频变焦参数中的第一音频参数；若所述折叠夹角处于120°~150°之间，调用所述音频变焦参数中的第二音频参数；若所述折叠夹角处于150°~180°之间，调用所述音频变焦参数中的第三音频参数。
在一实施例中，处理器502在实现所述根据所述音频参数在所述折叠屏设备中进行音频变焦时，具体实现如下步骤：根据所述折叠夹角确定所述折叠屏设备中的主麦克和消噪麦克；根据所述音频参数设定所述主麦克的前置放大增益值以及所述消噪麦克的前置放大增益值；对设定前置放大增益值的主麦克和消噪麦克进行音频算法处理以实现所述音频变焦。
在一实施例中，处理器502在实现所述根据确定后的主麦克和消噪麦克在所述折叠屏设备中进行音频变焦之前，具体实现如下步骤：计算目标音源与所述折叠屏设备之间的间距；若所述间距超过预设的阈值，调节所述折叠屏设备的镜头焦距。
应当理解，在本申请实施例中，处理器502可以是中央处理单元(Central Processing Unit，CPU)，该处理器502还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field-Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。其中，通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
本领域普通技术人员可以理解的是实现上述实施例的方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成。该计算机程序包括程序指令，计算机程序可存储于一存储介质中，该存储介质为计算机可读存储介质。该程序指令被该计算机系统中的至少一个处理器执行，以实现上述方法的实施例的流程步骤。
因此，本申请还提供一种存储介质。该存储介质可以为计算机可读存储介质。该存储介质存储有计算机程序，其中计算机程序包括程序指令。该程序指令被处理器执行时使处理器执行如下步骤：加载所述折叠屏设备中预置的音频变焦参数；接收用户发送的音频变焦请求；获取所述折叠屏设备的折叠夹角；调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
在一实施例中，所述处理器在执行所述程序指令而实现所述获取所述折叠屏设备的折叠夹角时，具体实现如下步骤：根据所述折叠屏设备的霍尔开关检测所述折叠屏设备的屏幕状态；若所述屏幕状态为开启状态，根据所述折叠屏设备的三维坐标计算所述折叠夹角。
在一实施例中，所述处理器在执行所述程序指令而实现所述根据所述折叠屏设备的三维坐标计算所述折叠夹角时，具体实现如下步骤：获取所述折叠屏设备的顶部麦克的三维坐标以及底部麦克的三维坐标；根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角。
在一实施例中，所述处理器在执行所述程序指令而实现所述根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角时，具体实现如下步骤：根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述顶部麦克与所述底部麦克之间的距离；根据所述距离确定所述折叠夹角。
在一实施例中，所述处理器在执行所述程序指令而实现所述调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数时，具体实现如下步骤：若所述折叠夹角处于90°~120°之间，调用所述音频变焦参数中的第一音频参数；若所述折叠夹角处于120°~150°之间，调用所述音频变焦参数中的第二音频参数；若所述折叠夹角处于150°~180°之间，调用所述音频变焦参数中的第三音频参数。
在一实施例中，所述处理器在执行所述程序指令而实现所述根据所述音频参数在所述折叠屏设备中进行音频变焦时，具体实现如下步骤：根据所述折叠夹角确定所述折叠屏设备中的主麦克和消噪麦克；根据所述音频参数设定所述主麦克的前置放大增益值以及所述消噪麦克的前置放大增益值；对设定前置放大增益值的主麦克和消噪麦克进行音频算法处理以实现所述音频变焦。
在一实施例中，所述处理器在执行所述程序指令而实现所述根据确定后的主麦克和消噪麦克在所述折叠屏设备中进行音频变焦之前，具体实现如下步骤：计算目标音源与所述折叠屏设备之间的间距；若所述间距超过预设的阈值，调节所述折叠屏设备的镜头焦距。
所述存储介质可以是U盘、移动硬盘、只读存储器（Read-Only Memory，ROM）、磁碟或者光盘等各种可以存储程序代码的计算机可读存储介质。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的。例如，各个单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。
本申请实施例方法中的步骤可以根据实际需要进行顺序调整、合并和删减。本申请实施例装置中的单元可以根据实际需要进行合并、划分和删减。另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以是两个或两个以上单元集成在一个单元中。
该集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分，或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台折叠屏设备（可以是个人计算机，终端，或者网络设备等）执行本申请各个实施例所述方法的全部或部分步骤。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (20)

  1. 一种音频变焦的方法，应用于折叠屏设备中，其中，包括：
    加载所述折叠屏设备中预置的音频变焦参数；
    接收用户发送的音频变焦请求；
    获取所述折叠屏设备的折叠夹角；
    响应于所述音频变焦请求，调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
  2. 根据权利要求1所述的音频变焦的方法，其中，所述获取所述折叠屏设备的折叠夹角，包括：
    根据所述折叠屏设备的霍尔开关检测所述折叠屏设备的屏幕状态；
    若所述屏幕状态为开启状态，根据所述折叠屏设备的三维坐标计算所述折叠夹角。
  3. 根据权利要求2所述的音频变焦的方法，其中，所述根据所述折叠屏设备的三维坐标计算所述折叠夹角，包括：
    获取所述折叠屏设备的顶部麦克的三维坐标以及底部麦克的三维坐标；
    根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角。
  4. 根据权利要求3所述的音频变焦的方法，其中，所述根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角，包括：
    根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述顶部麦克与所述底部麦克之间的距离；
    根据所述距离确定所述折叠夹角。
  5. 根据权利要求4所述的音频变焦的方法，其中，所述根据所述距离确定所述折叠夹角，包括：
    获取预先构建的距离与折叠夹角之间的映射关系表；
    根据所述距离，从所述映射关系表中确定所述折叠角度。
  6. 根据权利要求1所述的音频变焦的方法，其中，所述调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数，包括：
    若所述折叠夹角处于90°~120°之间，调用所述音频变焦参数中的第一音频参数；
    若所述折叠夹角处于120°~150°之间，调用所述音频变焦参数中的第二音频参数；
    若所述折叠夹角处于150°~180°之间，调用所述音频变焦参数中的第三音频参数。
  7. 根据权利要求1所述的音频变焦的方法，其中，所述根据所述音频参数在所述折叠屏设备中进行音频变焦，包括：
    根据所述折叠夹角确定所述折叠屏设备中的主麦克和消噪麦克；
    根据所述音频参数设定所述主麦克的前置放大增益值以及所述消噪麦克的前置放大增益值；
    对设定前置放大增益值的主麦克和消噪麦克进行音频算法处理以实现所述音频变焦。
  8. 根据权利要求7所述的音频变焦的方法，其中，所述对设定前置放大增益值的主麦克和消噪麦克进行音频算法处理以实现所述音频变焦之前，所述方法还包括：
    计算目标音源与所述折叠屏设备之间的间距；
    若所述间距超过预设的阈值，则调节所述折叠屏设备的镜头焦距。
  9. 根据权利要求8所述的音频变焦的方法，其中，所述计算目标音源与所述折叠屏设备之间的间距，包括：
    检测所述目标音源传输到所述折叠屏设备中的强度；
    根据所述强度，计算所述目标音源与所述折叠屏设备之间的间距。
  10. 根据权利要求1所述的音频变焦的方法，其中，所述音频变焦参数包括多个音频参数；所述根据所述音频参数在所述折叠屏设备中进行音频变焦，包括：根据多个所述音频参数中的任意一个音频参数在所述折叠屏设备中进行音频变焦。
  11. 根据权利要求1所述的音频变焦的方法，其中，所述音频变焦请求为在采用所述折叠屏设备进行视频拍摄的过程中请求进行音频变焦的指令信息。
  12. 一种音频变焦的装置，应用于折叠屏设备中，其中，包括：
    加载单元，用于加载所述折叠屏设备中预置的音频变焦参数；
    接收单元，用于接收用户发送的音频变焦请求；
    第一获取单元，用于获取所述折叠屏设备的折叠夹角；
    第一调用单元，用于调用所述音频变焦参数中与所述折叠夹角相匹配的音频参数并根据所述音频参数在所述折叠屏设备中进行音频变焦。
  13. 根据权利要求12所述的音频变焦的装置，其中，所述第一获取单元，用于根据所述折叠屏设备的霍尔开关检测所述折叠屏设备的屏幕状态；若所述屏幕状态为开启状态，根据所述折叠屏设备的三维坐标计算所述折叠夹角。
  14. 根据权利要求13所述的音频变焦的装置，其中，所述第一获取单元，用于获取所述折叠屏设备的顶部麦克的三维坐标以及底部麦克的三维坐标；根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述折叠夹角。
  15. 根据权利要求14所述的音频变焦的装置，其中，所述第一获取单元，用于根据所述顶部麦克的三维坐标、所述底部麦克的三维坐标计算所述顶部麦克与所述底部麦克之间的距离；根据所述距离确定所述折叠夹角。
  16. 根据权利要求15所述的音频变焦的装置，其中，所述第一获取单元，用于获取预先构建的距离与折叠夹角之间的映射关系表；根据所述距离，从所述映射关系表中确定所述折叠角度。
  17. 根据权利要求12所述的音频变焦的装置，其中，所述第一调用单元，用于若所述折叠夹角处于90°~120°之间，调用所述音频变焦参数中的第一音频参数；若所述折叠夹角处于120°~150°之间，调用所述音频变焦参数中的第二音频参数；若所述折叠夹角处于150°~180°之间，调用所述音频变焦参数中的第三音频参数。
  18. 根据权利要求12所述的音频变焦的装置，其中，所述第一调用单元，用于根据所述折叠夹角确定所述折叠屏设备中的主麦克和消噪麦克；根据所述音频参数设定所述主麦克的前置放大增益值以及所述消噪麦克的前置放大增益值；对设定前置放大增益值的主麦克和消噪麦克进行音频算法处理以实现所述音频变焦。
  19. 一种折叠屏设备，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现如权利要求1至11中任一项所述的音频变焦的方法。
  20. 一种计算机可读存储介质，其中，所述计算机可读存储介质存储有计算机程序，所述计算机程序当被处理器执行时使所述处理器执行如权利要求1至11任一项所述的音频变焦的方法。
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CN112261201A (zh) * 2020-10-20 2021-01-22 Oppo广东移动通信有限公司 通话方法、装置、移动终端及存储介质
CN113014844A (zh) * 2021-02-08 2021-06-22 Oppo广东移动通信有限公司 一种音频处理方法、装置、存储介质及电子设备
CN113923294A (zh) * 2021-10-11 2022-01-11 惠州Tcl移动通信有限公司 音频变焦的方法、装置、折叠屏设备及存储介质

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