CN113261307A - Foldable electronic device and audio output method thereof - Google Patents

Foldable electronic device and audio output method thereof Download PDF

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Publication number
CN113261307A
CN113261307A CN201980073483.9A CN201980073483A CN113261307A CN 113261307 A CN113261307 A CN 113261307A CN 201980073483 A CN201980073483 A CN 201980073483A CN 113261307 A CN113261307 A CN 113261307A
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sub
display
relative position
display screen
audio
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CN201980073483.9A
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赵聪
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Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Technologies Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The application discloses audio output method is applied to a foldable electronic device, the foldable electronic device comprises a display unit, a detection unit, an audio output unit and a processing unit, wherein the display unit comprises a first sub-display screen and a second sub-display screen, the audio output unit comprises a first audio interface and a second audio interface which are respectively arranged on the first sub-display screen and the second sub-display screen, and the audio output method comprises the following steps: detecting the relative position information of the first sub display screen and the second sub display screen through a detecting unit; acquiring relative position information detected by a detection unit, and determining the relative position state of a first sub display screen and a second sub display screen; and controlling the audio output unit to correspondingly output the same or different audio signals through the first audio interface and the second audio interface according to the relative position states of the first sub display screen and the second sub display screen. The application also discloses a foldable electronic device.

Description

Foldable electronic device and audio output method thereof Technical Field
The present disclosure relates to audio output technologies, and more particularly, to a foldable electronic device and an audio output method for the foldable electronic device.
Background
At present, electronic devices such as mobile phones and tablet computers can play different multimedia files simultaneously, and the split-screen display function of the electronic devices is more and more widely used. In the prior art, electronic equipment such as a mobile phone and a tablet personal computer only has a 3.5mm audio interface or a Type-C audio interface, and when the electronic equipment only plays a multimedia file, the output audio signal has no problem, however, if the electronic equipment plays different multimedia files simultaneously or in a split-screen manner, the defect that the audio signal is mixed or only one audio signal is output occurs, and the defects bring bad experience to users.
Disclosure of Invention
In view of this, the embodiment of the present application discloses a foldable electronic device and an audio output method thereof, which can simultaneously output two audio signals without interfering with each other, so as to meet audio output requirements in different usage scenarios.
The embodiment of the application discloses a foldable electronic device, which comprises a display unit, a detection unit, an audio output unit and a processing unit. The display unit comprises a first sub-display screen and a second sub-display screen which is foldable relative to the first sub-display screen; the detection unit is used for detecting the relative position information of the first sub display screen and the second sub display screen; the audio output unit comprises a first audio interface and a second audio interface which are respectively arranged on the first sub display screen and the second sub display screen and are used for outputting corresponding audio signals; the processing unit is respectively electrically connected with the display unit, the detection unit and the audio output unit and is used for acquiring the relative position information detected by the detection unit to determine the relative position state of the first sub-display screen and the second sub-display screen and controlling the audio output unit to correspondingly output the same or different audio signals through the first audio interface and the second audio interface according to the relative position state of the first sub-display screen and the second sub-display screen.
The embodiment of the application further discloses an audio output method, which is applied to a foldable electronic device, wherein the foldable electronic device comprises a display unit, a detection unit, an audio output unit and a processing unit, wherein the display unit comprises a first sub-display screen and a second sub-display screen foldable relative to the first sub-display screen, and the audio output unit comprises a first audio interface and a second audio interface respectively arranged on the first sub-display screen and the second sub-display screen; the audio output method includes: detecting the relative position information of the first sub display screen and the second sub display screen through the detection unit; acquiring relative position information detected by the detection unit, and determining the relative position state of the first sub-display screen and the second sub-display screen; and controlling the audio output unit to correspondingly output the same or different audio signals through the first audio interface and the second audio interface according to the relative position states of the first sub display screen and the second sub display screen.
According to the foldable electronic device and the audio output method thereof, by determining the relative position state between the sub display screens of the foldable electronic device, the foldable electronic device can be controlled to correspondingly output two paths of audio signals which are not interfered with each other through different audio interfaces, so that the audio output requirements under different use scenes are met, and the use experience of a user is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a block diagram of a foldable electronic device according to an embodiment of the present application.
Fig. 2 is an overall schematic view of a foldable electronic device in an embodiment of the present application.
Fig. 3 is an overall schematic diagram of a first folding implementation of a foldable electronic device in an embodiment of the present application.
Fig. 4 is an overall schematic diagram of a second folding implementation of the foldable electronic device in an embodiment of the present application.
Fig. 5 is an overall schematic view of a foldable electronic device in another embodiment of the present application.
Fig. 6 is a flowchart of an audio output method according to an embodiment of the present application.
Fig. 7 is a sub-flowchart of step S63 in fig. 6.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
Referring to fig. 1 and fig. 2 together, fig. 1 is a block diagram of a foldable electronic device 100 according to an embodiment of the present application; fig. 2 is an overall schematic diagram of the foldable electronic device 100. As shown in fig. 1 and fig. 2, the foldable electronic device 100 includes a display unit 10, a detection unit 20, an audio output unit 30, and a processing unit 40.
The display unit 10 includes a first sub-display 11 and a second sub-display 12 foldable relative to the first sub-display 11. The detecting unit 20 is configured to detect relative position information of the first sub-display 11 and the second sub-display 12. The audio output unit 30 includes a first audio interface 31 and a second audio interface 32 respectively disposed on the first sub-display 11 and the second sub-display 12, and is configured to output corresponding audio signals. The processing unit 40 is electrically connected to the display unit 10, the detecting unit 20, and the audio output unit 30, and configured to acquire relative position information detected by the detecting unit 20 to determine relative position states of the first sub-display 11 and the second sub-display 12, and control the audio output unit 30 to correspondingly output the same or different audio signals through the first audio interface 31 and the second audio interface 32 according to the relative position states of the first sub-display 11 and the second sub-display 12.
Therefore, in the present application, by determining the relative position state between the sub-display screens of the foldable electronic device 100, the foldable electronic device 100 can be controlled to correspondingly output two paths of audio signals without interfering with each other through different audio interfaces, so as to meet audio output requirements in different usage scenarios, and improve the user experience.
In some embodiments, the detecting unit 20 includes an angle sensor 21, and the relative position information is a folding angle θ formed by the first sub display 11 and the second sub display 12 being folded relative to each other and detected by the angle sensor 21.
Specifically, as shown in fig. 2, the display unit 10 is disposed on the display surface S1 of the foldable electronic device 100, the first sub-display 11 and the second sub-display 12 are disposed on two sub-surfaces of the display surface S1, respectively, and the foldable electronic device 100 is rotatably connected to two portions of the first sub-display 11 and the second sub-display 12, respectively, so that the second sub-display 12 can be folded with respect to the first sub-display 11, and the foldable electronic device 100 forms a folding angle θ, which is an included angle between two sub-surfaces of the non-display surface S2 opposite to the display surface S1.
In other embodiments, the folding angle θ of the foldable electronic device 100 may also be an included angle θ' between two sub-surfaces of the display surface S1.
It is understood that after the foldable electronic device 100 is folded, the display surface S1 is located at the outer side and is always viewable.
As shown in fig. 3, in some embodiments, the foldable electronic device 100 includes a rotation shaft R, the rotation shaft R includes a sleeve and a rotation rod penetrating through the sleeve, a portion of the foldable electronic device 100 corresponding to the first sub-display 11 can be fixedly connected to the sleeve, a portion of the foldable electronic device 100 corresponding to the second sub-display 12 can be fixedly connected to the rotation rod, and the rotation rod can rotate relative to the sleeve, so that the portion of the foldable electronic device 100 corresponding to the second sub-display 12 can be folded relative to the portion of the foldable electronic device 100 corresponding to the first sub-display 11, and the folding angle θ will change accordingly.
The angle sensor 21 may be specifically one of a resistive angle sensor, a capacitive angle sensor, a hall angle sensor, and the like disposed on the rotation axis R, so that the folding angle θ is determined by a rotation angle of the rotation axis R detected by the angle sensor 21 relative to a portion of the foldable electronic device 100 corresponding to the second sub-display 12. For example, the rotation angle when the portion of the foldable electronic device 100 corresponding to the first sub-display 11 and the portion of the foldable electronic device 100 corresponding to the second sub-display 12 are attached together is set to be zero, and then the rotation angle when the portion of the foldable electronic device 100 corresponding to the second sub-display 12 is rotated relative to the rotation axis R is detected as the folding angle θ.
In other embodiments, the two portions of the foldable electronic device 100 corresponding to the first sub-display 11 and the second sub-display 12 may be connected by other types of connection structures, for example, a hinge device may be rotatably connected, and the angle sensor 21 may be disposed on the hinge device.
Referring to fig. 4, in some embodiments, the display unit 10 may be a flexible display screen, which has the characteristics of being bendable, twistable, and foldable, and has the characteristics of better color and contrast, and being ultra-thin. The foldable electronic device 100 is integrally formed of a flexible circuit board and a flexible substrate, and also has characteristics of being bendable, twistable, and foldable, so that the foldable electronic device 100 may be not limited to being folded at a fixed position, but may be folded at any suitable place. The folding line L can be obtained by distributing a plurality of capacitive sensors (not shown) in the display unit 10 or other components of the foldable electronic device 100, for example, in a flexible substrate, and the processing unit 40 determines the folding position of the flexible display screen through the voltage variation generated by the capacitive sensors at the bending position of the foldable electronic device 100 or the path variation between pre-buried contact points.
After obtaining the folding line L, the processing unit 40 further divides the foldable electronic device 100 into two parts by the folding line L, and correspondingly divides the display unit 10 into the first sub-display 11 and the second sub-display 12 by the folding line L. That is, the processing unit 40 may logically divide the display unit 10 into a first sub-display 11 and a second sub-display 12 by a folding line L, and the second sub-display 12 may also be folded with respect to the first sub-display 11.
In the embodiment shown in fig. 4, the angle sensor 21 may include a plurality of infrared transmitters 211 and a plurality of infrared receivers 212 respectively disposed on two sides of the folding angle of the foldable electronic device 100, and the processing unit 40 detects the folding angle θ of the foldable electronic device 100 through the angle sensor 21. Specifically, as shown in fig. 4, a plurality of infrared emitters 211 and a plurality of infrared receivers 212 may be disposed on two sides of the folding angle of the foldable electronic device 100, and the infrared emitters 211 disposed on one side correspond to the infrared receivers 212 disposed on the other side one by one, after the processing unit 40 determines the folding line L, the processing unit 40 controls the infrared emitters 211 on one side perpendicular to the folding line L, which is close to the folding line L, to emit infrared light in a direction toward one side of the folding line L, and as the folding angle θ is different, the infrared receivers 212 receiving the infrared light will be different, and the processing unit 40 may determine the corresponding folding angle θ according to the infrared receivers 212 receiving the infrared light.
Wherein, the infrared transmitters 211 and the infrared receivers 212 are disposed on the non-display surface S2 of the foldable electronic device 100.
It is understood that the greater the degree of relative folding of the first sub display 11 and the second sub display 12, the smaller the folding angle θ.
Therefore, as mentioned above, regardless of whether the foldable electronic device 100 is a hinge-connected device or the foldable electronic device 100 is a flexible device, the display unit 10 is a flexible display, and the relative position information of the first sub-display 11 and the second sub-display 12 can be obtained according to the folding angle θ of the foldable electronic device 100 detected by the corresponding angle sensor 21.
In other embodiments, the detecting unit 20 includes a distance sensor 22, and the relative position information is a linear distance H between two corresponding position points on the first sub-display 11 and the second sub-display 12 detected by the distance sensor 22. The two corresponding position points are located on the surfaces of the first sub-display screen 11 and the second sub-display screen 12 which are opposite to each other when the two sub-display screens are folded relatively.
Specifically, as shown in fig. 5, the distance sensor 22 includes a distance measuring signal transmitter 221 and a distance measuring signal receiver 222, in some embodiments, a transmitter 221 is disposed at a corresponding position point of the foldable electronic device 100 corresponding to the sub-surface of the non-display surface S2 of the first sub-display 11 portion, a receiver 222 is disposed at a corresponding position point of the foldable electronic device 100 corresponding to the sub-surface of the non-display surface S2 of the second sub-display 12 portion, and the transmitter 221 can transmit a distance measuring signal to be received by the receiver 222 to obtain a linear distance H between two corresponding position points on the first sub-display 11 and the second sub-display 12, respectively. Wherein, the corresponding position point is a midpoint of two side edges perpendicular to the R/L of the folding position of the foldable electronic device 100.
In other embodiments, the distance sensor 22 may be disposed at other reasonable preset points on the sub-surface of the non-display surface S2 of the foldable electronic device 100.
In other embodiments, a transmitter 221 may be disposed at a corresponding position point of the foldable electronic device 100 corresponding to the sub-surface of the non-display surface S2 of the second sub-display 12 portion, and a receiver 222 may be disposed at a corresponding position point of the foldable electronic device 100 corresponding to the sub-surface of the non-display surface S2 of the first sub-display 11 portion.
The distance sensor 22 is specifically one of an infrared sensor, an ultrasonic sensor, and a laser sensor, and the transmitter 221 and the receiver 222 are corresponding components.
It is understood that the linear distance H detected by the distance sensor 22 will be different when the second sub-display 12 is folded to different degrees relative to the first sub-display 11.
Therefore, according to the linear distance H between two corresponding position points on the first sub-display 11 and the second sub-display 12 detected by the distance sensor 22, the relative position information of the first sub-display 11 and the second sub-display 12 can be obtained.
Further, in this application, the processing unit 40 is further configured to compare the relative position information with a preset threshold after acquiring the relative position information detected by the detecting unit 20, and determine the relative position state of the first sub-display 11 and the second sub-display 12 according to a comparison result between the relative position information and the preset threshold.
As described above, the relative position information may be the folding angle θ detected by the angle sensor 21 or the linear distance H detected by the distance sensor 22.
The preset threshold comprises a first preset threshold and a second preset threshold, and the first preset threshold is larger than the second preset threshold.
Specifically, when the relative position information is a folding angle θ formed by relatively folding the first sub display screen 11 and the second sub display screen 12 detected by the angle sensor 21, the first preset threshold is a first preset angle θ1The second preset threshold is a second preset angle theta2. Wherein the first preset angle θ1Can beAny angle greater than 90 degrees and less than 180 degrees, and the second preset angle theta2And may be any angle greater than 0 degrees and less than 30 degrees. Preferably, the first preset angle θ1May be 150 degrees, the second preset angle theta2And may be 20 degrees.
Correspondingly, when the relative position information is the linear distance H between two corresponding position points detected by the distance sensor 22 and respectively located on the first sub-display 11 and the second sub-display 12, the first preset threshold is a first preset distance H1The second preset threshold is a second preset distance H2. Wherein the first preset distance H1Is greater than the second preset distance H2The first preset distance H1And the second preset distance H2The size of the foldable electronic device 100 is related to the position of the distance sensor 22, and also has a certain relationship with the size of the foldable electronic device, and the specific size can be determined according to actual situations.
It can be understood that, in the present application, after comparing the relative position information with a preset threshold, the relative position information of the first sub-display 11 and the second sub-display 12 may be divided into different ranges, and then, the relative position states corresponding to the first sub-display 11 and the second sub-display 12 may be determined according to the range in which the relative position information is located.
Specifically, when the relative position information is greater than or equal to the first preset threshold, the processing unit 40 determines that the relative position state of the first sub-display 11 and the second sub-display 12 is the expansion state; when the relative position information is smaller than the first preset threshold and larger than the second preset threshold, determining that the relative position state of the first sub-display screen 11 and the second sub-display screen 12 is a half-folded state; and when the relative position information is less than or equal to the second preset threshold, determining that the relative position state of the first sub-display screen 11 and the second sub-display screen 12 is a folded state.
Therefore, by comparing the relative position information with the first preset threshold and the second preset threshold, and determining the range of the relative position information, the relative position state of the first sub-display 11 and the second sub-display 12 can be determined.
Furthermore, the processing unit 40 is further configured to control the first sub-display 11 and the second sub-display 12 to display corresponding multimedia pictures after determining the relative position states of the first sub-display 11 and the second sub-display 12.
Specifically, in some embodiments, when the relative position state of the first sub-display 11 and the second sub-display 12 is the expansion state, the processing unit 40 controls the first sub-display 11 and the second sub-display 12 to display the same multimedia image in a full screen manner, and the processing unit 40 controls the audio output unit 30 to correspondingly output the same audio signal through the first audio interface 31 and the second audio interface 32. Therefore, the sub-display screen of the foldable electronic device 100 is used for displaying multimedia images on a screen, so that the visual effect of the user is enhanced, the first audio interface 31 and the second audio interface 32 can be simultaneously externally connected with two earphones for two users to use, the earphones do not need to be shared, and the stereo effect of the dual-channel is ensured.
In some embodiments, when the relative position state of the first sub-display 11 and the second sub-display 12 is a half-folded state, the processing unit 40 controls the first sub-display 11 and the second sub-display 12 to display different multimedia pictures in a split-screen manner, and the processing unit 40 controls the audio output unit 30 to correspondingly output different audio signals through the first audio interface 31 and the second audio interface 32. Therefore, when the sub-display of the foldable electronic device 100 is used for playing different multimedia pictures in a split-screen manner, the first audio interface 31 and the second audio interface 32 can output corresponding audio signals according to the multimedia pictures displayed on the first sub-display 11 and the second sub-display 12, respectively, so as to avoid the problem that the audio signals are mixed or only one of the audio signals is output.
In some embodiments, when the relative position state of the first sub-display 11 and the second sub-display 12 is a folded state, the processing unit 40 controls the first sub-display 11 and the second sub-display 12 to display the same multimedia screen on a single screen, and the processing unit 40 controls the audio output unit 30 to correspondingly output the same audio signal through the first audio interface 31 and the second audio interface 32. The processing unit 40 may determine, according to an instruction of a user, that the first sub-display 11 or the second sub-display 12 is a target sub-display, and control to display a current multimedia picture to be displayed on the target sub-display, and the other sub-display does not display and is in a screen-off or screen-locking state, so as to save energy consumption, and the first audio interface 31 and the second audio interface 32 may be simultaneously externally connected with two earphones, so that two users can view the same multimedia picture together.
In other embodiments, when the foldable electronic device 100 is used for single-screen display, the processing unit 40 may also determine that the first sub-display 11 or the second sub-display 12 is a target sub-display according to whether a human face is recognized by a camera (not shown) on the first sub-display 11, determine that the first sub-display 11 is the target sub-display if the human face is recognized by the camera, and otherwise determine that the second sub-display 12 is the target sub-display.
The first audio interface 31 and the second audio interface 32 include, but are not limited to, a conventional 3.5mm audio interface and a Type-C audio interface, and may be externally connected with earphones of corresponding models, or of course, may be externally connected with a portable speaker through the audio interface.
Therefore, in the present application, by determining the relative position state between the sub-display screens of the foldable electronic device 100, the foldable electronic device 100 can be controlled to correspondingly output two paths of audio signals without interfering with each other through different audio interfaces, so as to meet audio output requirements in different usage scenarios, and improve the user experience.
As shown in fig. 1, the foldable electronic device 100 further includes a storage unit 50, and the storage unit 50 may store data such as the first preset threshold, the second preset threshold, and the like.
The preset values such as the first preset threshold value, the second preset threshold value and the like can be defaulted by a system, or can be generated by subsequent setting of a user.
In some embodiments, the memory unit 50 may store program instructions that can be called by the processing unit 40 to perform the aforementioned functions.
The storage unit 50 may be a memory card, a solid-state memory, a micro hard disk, an optical disk, or other computer-readable storage media.
The processing unit 40 may be a central processing unit, a microcontroller, a microprocessor, a single chip, a digital signal processor, or the like.
The foldable electronic device 100 includes, but is not limited to, a foldable smart phone, a foldable tablet, a foldable display, and other electronic devices.
Please refer to fig. 6, which is a flowchart illustrating an audio output method according to an embodiment of the present application. The audio output method can be applied to the foldable electronic device 100, where the foldable electronic device 100 includes a display unit 10, a detection unit 20, an audio output unit 30 and a processing unit 40, where the display unit 10 includes a first sub-display 11 and a second sub-display 12 foldable relative to the first sub-display 11, and the audio output unit 30 includes a first audio interface 31 and a second audio interface 32 respectively disposed on the first sub-display 11 and the second sub-display 12. As shown in fig. 6, the audio output method specifically includes the following steps:
the relative position information of the first sub-display 11 and the second sub-display 12 is detected by the detecting unit 20 (S61).
The relative position information detected by the detecting unit 20 is acquired, and the relative position states of the first sub-display 11 and the second sub-display 12 are determined (S63).
Controlling the audio output unit 30 to correspondingly output the same or different audio signals through the first audio interface 31 and the second audio interface 32 according to the relative position states of the first sub display screen 11 and the second sub display screen 12 (S65).
In some embodiments, the detecting unit 20 includes an angle sensor 21, and the relative position information is a folding angle θ formed by the first sub display 11 and the second sub display 12 being folded relative to each other and detected by the angle sensor 21.
The folding angle θ is an included angle between two sub-surfaces of the non-display surface S2 of the foldable electronic device 100 after the first sub-display 11 and the second sub-display 12 are folded relatively.
In other embodiments, the folding angle θ may be an included angle θ' between two sub-surfaces of the display surface S1 of the foldable electronic device 100.
When the foldable electronic device 100 is in a mode of being connected by a rotating shaft, the angle sensor 21 may be one of a resistive angle sensor, a capacitive angle sensor, a hall angle sensor, and the like, which are disposed on the rotating shaft of the foldable electronic device 100; when the foldable electronic device 100 is a flexible device and the display unit 10 is a flexible display screen, the angle sensor 21 may include a plurality of infrared transmitters 211 and a plurality of infrared receivers 212 respectively disposed on two sides of a folding included angle of the foldable electronic device 100, and for a more detailed description, reference may be made to the related contents of the foldable electronic device 100 in the foregoing.
It is understood that the greater the degree of relative folding of the first sub display 11 and the second sub display 12, the smaller the folding angle θ.
Therefore, the processing unit 40 can obtain the relative position information of the first sub-display 11 and the second sub-display 12 according to the folding angle θ of the foldable electronic device 100 detected by the corresponding angle sensor 21.
In other embodiments, the detecting unit 20 includes a distance sensor 22, and the relative position information is a linear distance H between two corresponding position points on the first sub-display 11 and the second sub-display 12 detected by the distance sensor 22.
The two corresponding position points are located on the surfaces of the first sub-display screen 11 and the second sub-display screen 12 which are opposite to each other when the two sub-display screens are folded relatively. In particular, on two sub-surfaces of the non-display surface S2 of the foldable electronic device 100.
The distance sensor 22 specifically includes a distance measuring signal transmitter 221 and a distance measuring signal receiver 222, the transmitter 221 is disposed at a corresponding position point on a sub-surface of the non-display surface S2 of the foldable electronic device 100 corresponding to the first sub-display 11 portion or the second sub-display 12 portion, the receiver 222 is disposed at a corresponding position point on a sub-surface of the non-display surface S2 of the foldable electronic device 100 corresponding to the other sub-display, the corresponding position point is a reasonably preset point on a sub-surface of the non-display surface S2 of the foldable electronic device 100, the transmitter 221 can transmit a distance measuring signal to be received by the receiver 222, so as to obtain a linear distance H between two corresponding position points on the first sub-display 11 and the second sub-display 12, respectively.
The distance sensor 22 is specifically one of an infrared sensor, an ultrasonic sensor, and a laser sensor, and the transmitter 221 and the receiver 222 are corresponding components.
It is understood that the linear distance H detected by the distance sensor 22 will be different when the second sub-display 12 is folded to different degrees relative to the first sub-display 11.
Therefore, the processing unit 40 can obtain the relative position information of the first sub-display 11 and the second sub-display 12 according to the linear distance H between two corresponding position points on the first sub-display 11 and the second sub-display 12 detected by the distance sensor 22.
Referring to fig. 7, fig. 7 is a sub-flowchart of step S63 in fig. 6. As shown in fig. 7, in an embodiment, the step S63 may specifically include the following steps:
the relative position information detected by the detecting unit 20 is obtained, and the relative position information is compared with a preset threshold (S631).
As described above, the relative position information may be the folding angle θ detected by the angle sensor 21 or the linear distance H detected by the distance sensor 22.
The preset threshold comprises a first preset threshold and a second preset threshold, and the first preset threshold is larger than the second preset threshold.
Specifically, when the relative position information is a folding angle θ formed by relatively folding the first sub display screen 11 and the second sub display screen 12 detected by the angle sensor 21, the first preset threshold is a first preset angle θ1The second preset threshold is a second preset angle theta2. Wherein the first preset angle θ1May be any angle greater than 90 degrees and less than 180 degrees, and the second preset angle theta2And may be any angle greater than 0 degrees and less than 30 degrees. Preferably, the first preset angle θ1May be 150 degrees, the second preset angle theta2And may be 20 degrees.
Correspondingly, when the relative position information is the linear distance H between two corresponding position points detected by the distance sensor 22 and respectively located on the first sub-display 11 and the second sub-display 12, the first preset threshold is a first preset distance H1The second preset threshold is a second preset distance H2. Wherein the first preset distance H1Is greater than the second preset distance H2The first preset distance H1And the second preset distance H2The size of the foldable electronic device 100 is related to the position of the distance sensor 22, and also has a certain relationship with the size of the foldable electronic device, and the specific size can be determined according to actual situations.
The step S63 further includes: determining the relative position states of the first sub display screen 11 and the second sub display screen 12 according to the comparison result of the relative position information and a preset threshold (S633).
Specifically, step S633 includes: when the relative position information is greater than or equal to the first preset threshold, the processing unit 40 determines that the relative position state of the first sub-display screen 11 and the second sub-display screen 12 is the unfolding state; when the relative position information is smaller than the first preset threshold and larger than the second preset threshold, determining that the relative position state of the first sub-display screen 11 and the second sub-display screen 12 is a half-folded state; and when the relative position information is less than or equal to the second preset threshold, determining that the relative position state of the first sub-display screen 11 and the second sub-display screen 12 is a folded state.
Therefore, by comparing the relative position information with the first preset threshold and the second preset threshold, and determining the range of the relative position information, the relative position state of the first sub-display 11 and the second sub-display 12 can be determined.
Further, the audio output method further includes: after determining the relative position states of the first sub-display 11 and the second sub-display 12, controlling the first sub-display 11 and the second sub-display 12 to display corresponding multimedia pictures. Accordingly, the first audio interface 31 and the second audio interface 32 respectively disposed on the first sub-display 11 and the second sub-display 12 may output corresponding audio signals corresponding to the contents displayed thereon.
In some embodiments, the step S65 specifically includes: when the relative position state of the first sub-display 11 and the second sub-display 12 is the expansion state, the processing unit 40 controls the first sub-display 11 and the second sub-display 12 to display the same multimedia image in a full screen mode, and the processing unit 40 controls the audio output unit 30 to correspondingly output the same audio signal through the first audio interface 31 and the second audio interface 32. Therefore, when the sub-display screen of the foldable electronic device 100 is used for on-screen display, the visual effect of the user can be enhanced, and the first audio interface 31 and the second audio interface 32 can be connected with two earphones at the same time to be used by two users, and the earphones do not need to be shared, so that the stereo effect of the dual-channel is ensured.
In some embodiments, the step S65 specifically includes: when the relative position state of the first sub-display 11 and the second sub-display 12 is a half-folded state, the processing unit 40 controls the first sub-display 11 and the second sub-display 12 to display different multimedia images in a split-screen manner, and the processing unit 40 controls the audio output unit 30 to correspondingly output different audio signals through the first audio interface 31 and the second audio interface 32. Therefore, when the sub-display of the foldable electronic device 100 is used for playing different multimedia pictures in a split-screen manner, the first audio interface 31 and the second audio interface 32 can output corresponding audio signals according to the multimedia pictures displayed on the first sub-display 11 and the second sub-display 12, respectively, so as to avoid the problem that the audio signals are mixed or only one of the audio signals is output.
In some embodiments, the step S65 specifically includes: when the relative position state of the first sub-display screen 11 and the second sub-display screen 12 is a folded state, the processing unit 40 controls the first sub-display screen 11 and the second sub-display screen 12 to be used for displaying the same multimedia picture on a single screen, and the processing unit 40 controls the audio output unit 30 to correspondingly output the same audio signal through the first audio interface 31 and the second audio interface 32. Therefore, the foldable electronic device 100 can display through one of the sub-display screens, and the other sub-display screen is not displayed, and is in a screen-off or screen-locking state, so as to save energy consumption, and the first audio interface 31 and the second audio interface 32 can still be connected with two earphones at the same time, so that two users can watch the two earphones together.
When the foldable electronic device 100 is used for single-screen display, the processing unit 40 may determine, according to an instruction of a user, that the first sub-display 11 or the second sub-display 12 is a target sub-display, or determine, according to whether a human face is recognized by a camera (not shown) on the first sub-display 11, that the first sub-display 11 or the second sub-display 12 is the target sub-display, and control to display a multimedia picture to be currently displayed on the target sub-display, and control another sub-display not to display, so that the display is in a screen-off or screen-locking state.
Wherein the first audio interface 31 and the second audio interface 32 include, but are not limited to, a conventional 3.5mm audio interface, a Type-C audio interface.
Therefore, in the present application, by determining the relative position state between the sub-display screens of the foldable electronic device 100, the foldable electronic device 100 can be controlled to correspondingly output two paths of audio signals without interfering with each other through different audio interfaces, so as to meet audio output requirements in different usage scenarios, and improve the user experience.
The audio output method of the present application is applied to the foldable electronic device 100, and the executed method steps correspond to the functions executed by the foldable electronic device 100, and for a more detailed description, reference may be made to the related contents of the foldable electronic device 100.
The audio output methods provided herein may be embodied in hardware, firmware, or as software or computer code that may be stored in a computer readable storage medium, or as computer code that is originally stored on a remote recording medium or a non-transitory machine readable medium, downloaded over a network, and stored in a local recording medium, such that the methods described herein may be presented using a general purpose computer or special purpose processor, or in programmable or special purpose hardware such as an ASIC or FPGA as software stored on a recording medium.
The computer-readable storage medium may be a solid-state memory, a memory card, a disk, etc., and stores program instructions for the processing unit 40 to call to execute the audio output method shown in fig. 6.
The computer readable storage medium may also be the storage unit 50.
The foregoing is a preferred embodiment of the present application and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application and these are considered to be within the scope of the present application.

Claims (20)

  1. A foldable electronic device, comprising:
    the display unit comprises a first sub display screen and a second sub display screen which is foldable relative to the first sub display screen;
    the detecting unit is used for detecting the relative position information of the first sub display screen and the second sub display screen;
    the audio output unit comprises a first audio interface and a second audio interface which are respectively arranged on the first sub display screen and the second sub display screen and is used for outputting corresponding audio signals; and
    the processing unit is used for acquiring the relative position information detected by the detection unit so as to determine the relative position state of the first sub display screen and the second sub display screen, and controlling the audio output unit to correspondingly output the same or different audio signals through the first audio interface and the second audio interface according to the relative position state of the first sub display screen and the second sub display screen.
  2. The foldable electronic device of claim 1, wherein the detecting unit comprises an angle sensor, and the relative position information is a folding angle formed by the first sub-display and the second sub-display, which are detected by the angle sensor, being folded relatively.
  3. The foldable electronic device of claim 1, wherein the detecting unit comprises a distance sensor, and the relative position information is a linear distance between two corresponding position points detected by the distance sensor and located on the first sub-display and the second sub-display respectively, wherein the two corresponding position points are located on a surface of the first sub-display and a surface of the second sub-display opposite to each other when the first sub-display and the second sub-display are folded relatively.
  4. The foldable electronic device according to claim 2 or 3, wherein the processing unit is further configured to compare the relative position information with a preset threshold after acquiring the relative position information detected by the detecting unit, and determine the relative position states of the first sub-display and the second sub-display according to a comparison result between the relative position information and the preset threshold.
  5. The foldable electronic device of claim 4, wherein the preset threshold comprises a first preset threshold and a second preset threshold, the first preset threshold is greater than the second preset threshold, the processing unit determines that the relative position of the first sub-display and the second sub-display is in the unfolded state when the relative position information is greater than or equal to the first preset threshold, determines that the relative position of the first sub-display and the second sub-display is in the half-folded state when the relative position information is less than the first preset threshold and greater than the second preset threshold, and determines that the relative position of the first sub-display and the second sub-display is in the folded state when the relative position information is less than or equal to the second preset threshold.
  6. The foldable electronic device of claim 5, wherein the first predetermined threshold is a first predetermined angle or a first predetermined distance, and the second predetermined threshold is a second predetermined angle or a second predetermined distance.
  7. The foldable electronic device according to claim 5, wherein the processing unit is further configured to control the first sub-display and the second sub-display to display corresponding multimedia pictures after determining the relative position status of the first sub-display and the second sub-display.
  8. The foldable electronic device of claim 7, wherein when the relative position of the first sub-display and the second sub-display is in the unfolded state, the processing unit controls the first sub-display and the second sub-display to display a same multimedia screen in a full screen mode, and controls the audio output unit to correspondingly output a same audio signal through the first audio interface and the second audio interface.
  9. The foldable electronic device of claim 7, wherein when the relative position of the first sub-display and the second sub-display is a half-folded state, the processing unit controls the first sub-display and the second sub-display to display different multimedia pictures in a split-screen manner, and controls the audio output unit to correspondingly output different audio signals through the first audio interface and the second audio interface.
  10. The foldable electronic device of claim 7, wherein when the relative position of the first sub-display and the second sub-display is a folded state, the processing unit controls the first sub-display and the second sub-display to display a same multimedia screen on a single screen, and controls the audio output unit to output a same audio signal through the first audio interface and the second audio interface.
  11. An audio output method is applied to a foldable electronic device, and is characterized in that the foldable electronic device comprises a display unit, a detection unit, an audio output unit and a processing unit, the display unit comprises a first sub-display screen and a second sub-display screen foldable relative to the first sub-display screen, the audio output unit comprises a first audio interface and a second audio interface respectively arranged on the first sub-display screen and the second sub-display screen, and the audio output method comprises the following steps:
    detecting the relative position information of the first sub display screen and the second sub display screen through the detection unit;
    acquiring relative position information detected by the detection unit, and determining the relative position state of the first sub-display screen and the second sub-display screen; and
    and controlling the audio output unit to correspondingly output the same or different audio signals through the first audio interface and the second audio interface according to the relative position states of the first sub display screen and the second sub display screen.
  12. The audio output method according to claim 11, wherein the detecting unit includes an angle sensor, and the relative position information is a folding angle formed by the first sub-display and the second sub-display being folded relative to each other and detected by the angle sensor.
  13. The audio output method according to claim 11, wherein the detecting unit includes a distance sensor, and the relative position information is a linear distance between two corresponding position points detected by the distance sensor and respectively located on the first sub-display and the second sub-display, wherein the two corresponding position points are located on a surface of the first sub-display and a surface of the second sub-display opposite to each other when the first sub-display and the second sub-display are folded relatively.
  14. The audio output method according to claim 12 or 13, wherein the step of acquiring the relative position information detected by the detection unit and determining the relative position status of the first sub-display and the second sub-display comprises:
    acquiring relative position information detected by the detection unit, and comparing the relative position information with a preset threshold value;
    and determining the relative position states of the first sub-display screen and the second sub-display screen according to the comparison result of the relative position information and a preset threshold value.
  15. The audio output method according to claim 14, wherein the preset threshold includes a first preset threshold and a second preset threshold, the first preset threshold is greater than the second preset threshold, and the determining the relative position status of the first sub-display and the second sub-display according to the comparison result between the relative position information and the preset threshold includes:
    when the relative position information is larger than or equal to the first preset threshold value, determining that the relative position state of the first sub display screen and the second sub display screen is an unfolded state;
    when the relative position information is smaller than the first preset threshold and larger than the second preset threshold, determining that the relative position state of the first sub-display screen and the second sub-display screen is a half-folding state; and
    and when the relative position information is smaller than or equal to the second preset threshold, determining that the relative position state of the first sub-display screen and the second sub-display screen is a folded state.
  16. The audio output method according to claim 15, wherein the first predetermined threshold is a first predetermined angle or a first predetermined distance, and the second predetermined threshold is a second predetermined angle or a second predetermined distance.
  17. The audio output method according to claim 15, further comprising: and after the relative position states of the first sub display screen and the second sub display screen are determined, controlling the first sub display screen and the second sub display screen to display corresponding multimedia pictures.
  18. The audio output method according to claim 17, wherein the controlling the audio output unit to output the same or different audio signals through the first audio interface and the second audio interface according to the relative position states of the first sub display screen and the second sub display screen comprises:
    and when the relative position state of the first sub display screen and the second sub display screen is an unfolding state, controlling the first sub display screen and the second sub display screen to be used for displaying the same multimedia picture in a full screen mode, and controlling the audio output unit to correspondingly output the same audio signal through the first audio interface and the second audio interface.
  19. The audio output method according to claim 18, wherein the controlling the audio output unit to output the same or different audio signals through the first audio interface and the second audio interface according to the relative position states of the first sub display screen and the second sub display screen further comprises:
    and when the relative position state of the first sub display screen and the second sub display screen is a half-folding state, controlling the first sub display screen and the second sub display screen to be used for displaying different multimedia pictures in a split screen mode, and controlling the audio output unit to correspondingly output different audio signals through the first audio interface and the second audio interface.
  20. The audio output method according to claim 19, wherein the controlling the audio output unit to output the same or different audio signals through the first audio interface and the second audio interface according to the relative position states of the first sub display screen and the second sub display screen further comprises:
    when the relative position state of the first sub-display screen and the second sub-display screen is a folding state, the first sub-display screen and the second sub-display screen are controlled to be used for displaying the same multimedia picture on a single screen, and the audio output unit is controlled to correspondingly output the same audio signal through the first audio interface and the second audio interface.
CN201980073483.9A 2019-03-06 2019-03-06 Foldable electronic device and audio output method thereof Pending CN113261307A (en)

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PCT/CN2019/077199 WO2020177102A1 (en) 2019-03-06 2019-03-06 Foldable electronic device and audio output method therefor

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