CN113824816A - Voice communication method, device, terminal and storage medium - Google Patents
Voice communication method, device, terminal and storage medium Download PDFInfo
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- 230000006854 communication Effects 0.000 title claims abstract description 21
- 238000004891 communication Methods 0.000 title description 15
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- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims abstract description 15
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- 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
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- 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
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- 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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
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Abstract
The embodiment of the application discloses a voice call method, a voice call device, a terminal and a storage medium, and belongs to the technical field of terminals. The method comprises the following steps: responding to the received voice call instruction, and acquiring a display screen state of the flexible display screen, wherein the display screen state comprises at least one of an extension state and a rolling state; determining a target gain value of the sound receiving microphone according to the state of a display screen where the flexible display screen is located, wherein different display screen states correspond to different gain values; and in the voice communication process, performing gain processing on the audio signal collected by the sound receiving microphone according to the target gain value. By adopting the method of the embodiment of the application, under the condition that the receiver cannot be positioned at the ear part and the reception microphone cannot be positioned at the mouth part due to the fact that the flexible display screen stretches, the reception quality of the terminal can be improved, a user does not need to manually stretch the flexible display screen to adjust the state of the display screen, user operation is simplified, and meanwhile the service life of the flexible display screen is prolonged.
Description
Technical Field
The embodiment of the application relates to the technical field of terminals, in particular to a voice call method, a voice call device, a terminal and a storage medium.
Background
The call function is used as a basic function of the terminal, and is widely applied to application scenes such as audio and video calls.
In the related art, in order to ensure the voice call quality in the call process, an earphone of a terminal is usually arranged at the top, and a microphone is arranged at the bottom, so that a user can place the earphone near the ear and place the microphone near the mouth during the call, thereby ensuring the quality of the voice of the user collected by the microphone while clearly listening to the voice of the other party.
Disclosure of Invention
The embodiment of the application provides a voice call method, a voice call device, a terminal and a storage medium. The technical scheme is as follows:
in one aspect, an embodiment of the present application provides a voice call method, where the method is applied to a terminal having a flexible display screen, where the terminal includes a first housing and a second housing, the second housing is slidably connected to the first housing, and the second housing and the first housing change an exposed display area of the flexible display screen through a relative motion, and the method includes:
responding to a received voice call instruction, and acquiring a display screen state of the flexible display screen, wherein the display screen state comprises at least one of an extension state and a rolling state;
determining a target gain value of a sound receiving microphone according to the display screen state of the flexible display screen, wherein different display screen states correspond to different gain values;
and in the voice call process, performing gain processing on the audio signal collected by the sound receiving microphone according to the target gain value.
In another aspect, an embodiment of the present application provides a voice call device, where the device is applied to a terminal with a flexible display screen, the terminal includes a first housing and a second housing, the second housing is slidably connected to the first housing, the second housing and the first housing change an exposed display area of the flexible display screen through a relative motion, and the device includes:
the first acquisition module is used for responding to a received voice call instruction and acquiring a display screen state of the flexible display screen, wherein the display screen state comprises at least one of an extension state and a rolling state;
the first determining module is used for determining a target gain value of the sound receiving microphone according to the display screen state of the flexible display screen, wherein different display screen states correspond to different gain values;
and the gain processing module is used for performing gain processing on the audio signal acquired by the sound receiving microphone according to the target gain value in the voice call process.
In another aspect, an embodiment of the present application provides a terminal, where the terminal includes a processor and a memory; the memory stores at least one instruction for execution by the processor to implement a voice call method as described in the above aspect.
In another aspect, a computer-readable storage medium is provided that stores at least one instruction for execution by a processor to implement a voice call method as described in the above aspect.
In another aspect, a computer program product is provided, which stores at least one instruction, which is loaded and executed by a processor to implement the voice call method as described in the above aspect.
The technical scheme provided by the embodiment of the application has the beneficial effects that at least:
in the embodiment of the application, when the terminal receives a voice call instruction, the target gain value of the radio microphone is adjusted according to the display screen state of the flexible display screen, the audio signal collected by the radio microphone is subjected to gain processing, under the condition that the receiver is located at the ear and the radio microphone is located at the mouth due to the fact that the flexible display screen stretches out and draws back, the radio quality of the terminal can be improved, the user does not need to manually stretch out and draw back the flexible display screen to adjust the display screen state, user operation is simplified, and meanwhile the service life of the flexible display screen is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a terminal in a crimped state according to an exemplary embodiment of the present application;
fig. 2 is a schematic diagram of a terminal in an extended state according to an exemplary embodiment of the present application;
fig. 3 is a schematic perspective exploded view of a terminal according to an exemplary embodiment of the present application;
FIG. 4 is a schematic structural view of a cross-section of a terminal in a contracted state as provided by an exemplary embodiment of the present application;
FIG. 5 is a schematic structural view of a terminal cross-section in a stretched state as provided by an exemplary embodiment of the present application;
fig. 6 is a flow chart of a voice call method provided by an exemplary embodiment of the present application;
fig. 7 is a flowchart of a voice call method provided by another exemplary embodiment of the present application;
FIG. 8 is a schematic illustration of a flexible display screen stretch distance provided by an exemplary embodiment of the present application;
fig. 9 is a flowchart of a voice call method provided by another exemplary embodiment of the present application;
fig. 10 is a flowchart of a voice call method provided by another exemplary embodiment of the present application;
fig. 11 is a block diagram of a voice communicator according to an embodiment of the present application;
fig. 12 is a block diagram of a terminal according to an exemplary embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Reference herein to "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The voice call method provided by the embodiment of the application is applied to a terminal with a flexible display screen, and the structure of the terminal is explained below firstly.
Referring to fig. 1 to fig. 3, a terminal 100 in the embodiment of the present application includes a housing assembly 10, a flexible display 30, a driver 50, and a driving mechanism 70. The shell assembly 10 is a hollow structure; the components of the driver 50, the drive mechanism 70, and the camera 60 may all be disposed in the housing assembly 10. It is understood that the terminal 100 in the embodiment of the present application includes, but is not limited to, a mobile terminal such as a mobile phone, a tablet, or other portable electronic devices, and herein, the terminal 100 is taken as a mobile phone for example.
In the practice of the present application, the housing assembly 10 includes a first housing 12 and a second housing 14, the first housing 12 and the second housing 14 being capable of relative movement. In one possible embodiment, the first housing 12 and the second housing 14 are slidably connected, that is, the second housing 14 is slidable relative to the first housing 12.
Optionally, referring to fig. 4 and fig. 5, the first casing 12 and the second casing 14 together form an accommodating space 16. The accommodating space 16 can be used for accommodating components such as the driver 50, the camera 60, the driving mechanism 70 and the like. The housing assembly 10 may further include a rear cover 18, and the rear cover 18 and the first and second housings 12 and 14 together form an accommodating space 16.
Optionally, the driving element 50 is disposed on the second housing 14, one end of the flexible display 30 is disposed on the first housing 12, the flexible display 30 bypasses the driving element 50, and the other end of the flexible display is disposed in the accommodating space 16, so that a part of the flexible display 30 is hidden in the accommodating space 16, and a part of the flexible display 30 hidden in the accommodating space 16 may not be lighted. The first housing 12 and the second housing 14 are relatively far away from each other, and the driving member 50 can drive the flexible display 30 to unfold, so that more flexible display 30 is exposed out of the accommodating space 16. The flexible display 30 exposed to the outside of the accommodating space 16 is illuminated so that a display area presented by the terminal 100 becomes large.
Optionally, as shown in fig. 1 or 2, the second housing 14 is further provided with a sound receiving hole 141 corresponding to the sound receiving microphone (i.e., disposed on the bottom frame of the terminal), and during a call, the call is transmitted to the sound receiving microphone through the sound receiving hole 141. Optionally, a noise reduction hole corresponding to the noise reduction microphone is further formed in the first casing 12 (i.e., the noise reduction hole is formed in a frame at the top of the terminal), and in the process, the ambient sound is transmitted to the noise reduction microphone through the noise reduction hole, so that the terminal performs noise reduction processing on the call sound by using the ambient sound.
Optionally, the driving member 50 is a rotating shaft structure with teeth 52 on the outside, the flexible display screen 30 is linked with the driving member 50 by means of meshing, and when the first casing 12 and the second casing 14 are relatively far away from each other, the driving member 50 drives a part of the flexible display screen 30 meshed with the driving member 50 to move and unfold.
It is understood that the driver 50 can also be a circular shaft without the belt 52, and when the first casing 12 and the second casing 14 are relatively far away from each other, the driver 50 can stretch the portion of the flexible display 30 wound on the driver 50, so that more flexible display is exposed out of the accommodating space 16 and is in a flat state. Optionally, the driving member 50 is rotatably disposed on the second housing 14, and the driving member 50 can rotate along with the movement of the flexible display 30 when the flexible display 30 is gradually opened. In other embodiments, the driver 50 may be fixed to the second housing 14, and the driver 50 may have a smooth surface. When the flexible display 30 is spread, the driver 50 is slidably contacted with the flexible display 30 through its smooth surface.
When the first housing 12 and the second housing 14 are relatively close to each other, the flexible display screen can be retracted by the driving member 50. Alternatively, the terminal 100 further includes a reset element (not shown), one end of the flexible display screen, which is accommodated in the accommodating space 16, is linked with the reset element, and when the first housing 12 and the second housing 14 are relatively close to each other, the reset element drives the flexible display screen 30 to reset, so that a part of the flexible display screen is retracted into the accommodating space 16.
In the embodiment of the present application, the driving mechanism 70 may be disposed in the accommodating space 16, the driving mechanism 70 may be linked with the second housing 14, and the driving mechanism 70 is configured to drive the second housing 14 to move away from the first housing 12, so as to drive the flexible display panel assembly 30 to extend. It will be appreciated that the drive mechanism 70 may be omitted and the user may directly move the first and second housings relative to one another, manually, etc.
Referring to fig. 6, a flowchart of a voice call method according to an exemplary embodiment of the present application is shown. The embodiment is described by taking an example that the method is executed by the terminal shown in fig. 1 to 5, and the process includes the following steps:
Optionally, the voice call instruction is an instruction triggered when a voice call is actively initiated (that is, the terminal is a calling party), or an instruction triggered when a voice call request is received (that is, the terminal is a called party).
When the voice call is actively initiated, if the called party does not accept the voice call request, the voice call cannot be carried out subsequently; similarly, if the voice call request sent by the calling party is received, but the voice call request is not accepted (for example, hung up), the voice call cannot be subsequently performed. Therefore, in a possible implementation mode, when a voice call instruction is actively initiated and the voice call is connected, the voice call instruction is triggered; when a voice call request is received and a request acceptance instruction is received, a voice call instruction is triggered.
Optionally, the voice call instruction is an instruction triggered in a call application program, or an instruction triggered in an application program (such as an instant messaging application program) having a voice call function, which is not limited in this embodiment.
In a possible implementation manner, the terminal acquires the stretching distance of the flexible display screen through the displacement sensor, so that the display screen state of the flexible display screen is determined according to the stretching distance.
Optionally, if the stretching distance of the flexible display screen is smaller than a first distance threshold, the terminal determines that the flexible display screen is in a rolling state, and if the stretching distance of the flexible display screen is greater than or equal to the first distance, the terminal determines that the flexible display screen is in a stretching state, wherein the first distance threshold is less than or equal to the maximum stretching distance of the flexible display screen.
Illustratively, the minimum dimension of the exposed display area of the flexible display screen is 7 × 7cm, the maximum dimension is 7 × 14cm, and the maximum stretching distance is 7 cm. If the stretching distance of the flexible display screen is less than 7cm (namely, the exposed display area is less than 7 multiplied by 14cm), the flexible display screen is in a rolling state, and if the stretching distance of the flexible display screen is equal to 7cm (namely, the exposed display area is equal to 7 multiplied by 14cm), the flexible display screen is in an extending state.
Of course, in addition to obtaining the display screen state of the flexible display screen in the above manner, the terminal may also obtain the display screen state in other manners (for example, obtaining the display screen state through a mechanical structure connected to the flexible display screen), which is not limited in this embodiment.
The Gain value (Gain) is the amplification degree of the audio signal collected by the sound receiving microphone, and the amplification effect on the audio signal is stronger when the Gain value is larger.
Optionally, an Audio Signal Processor (ADSP) is installed in the terminal, and the terminal changes the Signal intensity of the Audio Signal collected by the sound receiving microphone by adjusting a gain value of the ADSP.
When the flexible display screen is in different display screen states, the flexible display screen is different in telescopic length, and a user usually places a receiver above the terminal near the ear, so that the distance between the radio microphone and the mouth of the user is different. In one possible implementation mode, the terminal determines the target gain value according to the display screen state of the flexible display screen.
And 603, in the voice call process, performing gain processing on the audio signal acquired by the sound receiving microphone according to the target gain value.
In a possible implementation manner, after the target gain value is determined, the terminal collects the call voice of the user through the radio microphone, performs gain processing on the audio signal of the call voice by using the ADSP according to the target gain value, and transmits the audio signal subjected to the gain processing to the other party, so that the call quality is improved.
To sum up, in the embodiment of the application, when the terminal receives the voice call instruction, according to the target gain value of the display screen state adjustment radio reception microphone of flexible display screen, carry out gain processing to the audio signal that the radio reception microphone was gathered, flexible display screen is flexible to lead to can't realize that the earphone is located the ear and the radio reception microphone is located under the condition of mouth, can improve the radio reception quality at terminal, and do not need the manual flexible display screen adjustment display screen state that stretches out and draws back of user, user operation has been simplified, the life of flexible display screen has been prolonged simultaneously.
When the flexible display screen is in a curled state, the condition that the receiver is placed at the ear and the sound receiving microphone is placed near the mouth cannot be met, so that the sound receiving microphone has a certain distance from the mouth of a user, the larger the distance is, the weaker the audio signal of a call collected by the sound receiving microphone is, and therefore the gain value needs to be changed to enhance the audio signal, and the call quality is ensured. In one possible implementation, the terminal determines the target gain value according to the stretching distance of the flexible display screen.
Referring to fig. 7, a flowchart of a voice call method according to another exemplary embodiment of the present application is shown. The embodiment is described by taking an example that the method is executed by the terminal shown in fig. 1 to 5, and the process includes the following steps:
step 701, responding to a received voice call instruction, and acquiring a display screen state of the flexible display screen, wherein the display screen state comprises at least one of an extension state and a scroll state.
The implementation of step 701 refers to step 601 above, and details of this embodiment are not repeated here.
In step 702, in response to the flexible display screen being in the extended state, the initial gain value is determined as the target gain value.
In a possible implementation manner, the size of the terminal in the extended state is the optimal call size, that is, when a user places a terminal receiver on the ear, a radio microphone can be placed at the mouth, so that when the flexible display screen is in the extended state, the terminal performs gain processing on the acquired audio signal according to the initial gain value to meet the call requirement, that is, the terminal of the opposite call party can obtain an audio signal with higher quality.
Optionally, for terminals of different models, the display screen states corresponding to the optimal call sizes may be different. For example, if the size of the terminal is the optimal call size when the flexible display screen is in the scrolled state and the exposed display area is the minimum exposed display area, the terminal determines the initial gain value as the target gain value in this state.
Optionally, an initial telescopic distance is preset in the terminal, and when the display screen state of the flexible display screen is a crimping state in which the telescopic distance is equal to the initial telescopic distance, the initial gain value is determined as the target gain value. The embodiments of the present application do not limit this.
In a possible implementation manner, for the determination manner of the initial gain value, the embodiment of the present application further includes the following steps one to two:
step one, acquiring a historical gain value of a sound receiving microphone in at least one target historical conversation process, wherein a flexible display screen is in an extending state in the target historical conversation process.
In a possible implementation manner, when the flexible display screen is in the extended state for conversation, the gain value of the ADSP is not processed, that is, the current gain value is used to gain the audio signal collected by the sound receiving microphone, and the current gain value is recorded.
Optionally, the terminal uses the historical call process in the latest extension state as the target historical call process, or uses the historical call process in the latest n extension states as the target historical call process, where n is an integer greater than 1.
Optionally, if the target historical conversation process does not exist, the terminal acquires a preset default gain value.
And step two, determining an initial gain value according to at least one historical gain value.
In a possible implementation manner, if the target historical conversation process only comprises one time, directly determining a historical gain value corresponding to the target historical conversation process as an initial gain value; if the target historical call process comprises multiple times, the terminal determines the historical gain value with the largest occurrence frequency as the initial gain value, or determines the historical gain value of the latest target historical call process as the initial gain value, or determines the average value of multiple historical gain values as the initial gain value, which is not limited in the embodiment of the application.
Optionally, if the target historical conversation process does not exist, the terminal determines the default gain value as the initial gain value.
Illustratively, the historical gain values corresponding to the five target historical call processes are respectively 3dB, 4dB, and then the terminal determines the historical gain value 4dB with the largest occurrence frequency as the initial gain value.
And 703, responding to the flexible display screen in the rolling state, and determining a target gain value according to the stretching distance of the flexible display screen in the rolling state and the initial gain value, wherein the stretching distance is the stretching distance of the flexible display screen in the relative movement direction of the shell.
In the roll-up state, when the receiver is located near the ear of the user, the sound receiving microphone is far away from the mouth, so that the acquired audio signal is weak, and therefore the gain value of ADSP needs to be increased.
In a possible implementation manner, the terminal determines the target gain value according to a stretching distance of the flexible display screen, wherein the stretching distance is a distance that the flexible display screen stretches in the relative movement direction of the shell, and optionally, the terminal determines the stretching distance through the last stretching operation record.
As shown in fig. 8, the receiver 801 is located at the top of the terminal, the sound receiving microphone 802 is located at the bottom of the terminal, the relative movement direction of the housing is longitudinal, the left side is the terminal in the state of the display screen with the smallest exposed display area, i.e. the stretching distance is 0, and the right side is the terminal in the stretched and contracted state.
In one possible embodiment, step 703 includes the following steps one to two:
step one, determining a compensation gain value according to the stretching distance of the flexible display screen in a curling state, wherein the compensation gain value and the stretching distance are in a negative correlation relationship.
Since the sound pickup microphone is far from the user's mouth in the scrolled state, the gain value of the ADSP needs to be increased. In a possible implementation manner, the terminal increases the gain value of the ADSP by increasing the compensation gain value, so as to improve the call quality.
Optionally, compensation gain values corresponding to different stretching distances are stored in the terminal, and the compensation gain values are obtained by debugging developers. The compensation gain value and the stretching distance are in a negative correlation relationship, and the larger the stretching distance is, the smaller the distance between the sound receiving microphone and the mouth is, so the smaller the compensation gain value is. For example, when the stretching distance is greater than 0 and less than 2cm, the compensation gain value is 2dB, when the stretching distance is greater than or equal to 2cm and less than 4cm, the compensation gain value is 1dB, and when the stretching distance is greater than or equal to 4cm and less than 7cm, the compensation gain value is 0.5 dB.
And step two, determining a target gain value according to the compensation gain value and the initial gain value.
In one possible embodiment, the terminal determines the sum of the compensation gain value and the initial gain value as the target gain value.
Illustratively, the terminal determines that the initial gain value is 3dB according to the historical gain value, determines that the compensation gain value is 1dB according to the stretching distance of the flexible display screen, and then determines that the target gain value is 4 dB.
The implementation of step 704 refers to step 603 described above, and details of this embodiment are not repeated here.
After the call is finished, the sound receiving microphone is closed, so that the gain value of the terminal is adjusted conveniently when the terminal carries out the next call, and the situation that the gain value is too large when the terminal carries out other operations through the sound receiving microphone is avoided.
Optionally, after receiving the call ending instruction, the terminal restores the gain value of the radio microphone from the target gain value to be set as the initial gain value.
If the user actively stretches the flexible display screen in the conversation process, the distance between the sound receiving microphone and the mouth of the user changes, and the current target gain value may be different from the target gain value corresponding to the stretching distance after the stretching operation, so that the target gain value needs to be determined again. In a possible implementation manner, before the step 705, the voice call method in the embodiment of the present application further includes the following steps one to two:
step one, responding to the fact that the flexible display screen is received to be stretched in the voice communication process, and determining the stretching distance corresponding to the stretching operation.
The telescopic distance is the distance of the flexible display screen stretching in the relative movement direction of the shell.
In a possible implementation manner, the terminal detects the stretching operation of the user on the flexible display screen in real time, obtains the stretching distance corresponding to the stretching operation, determines the exposed display area after the stretching operation, and updates the target gain value according to the stretching distance.
And step two, updating the target gain value according to the telescopic distance.
In a possible implementation manner, the terminal first determines a current stretching distance of the flexible display screen according to the stretching distance, for example, if a user performs a stretching operation on the flexible display screen, the stretching distance after the stretching operation is a sum of the stretching distance before the stretching operation and the stretching distance; if the user performs the curling operation on the flexible display screen, the stretching distance after the curling operation is the difference between the stretching distance before the curling operation and the stretching distance. And the terminal determines a new target gain value according to the stretching distance after stretching operation and performs gain processing on the audio signal acquired by the sound receiving microphone according to the updated target gain value.
Illustratively, the user stretches the flexible display screen during the conversation. Before stretching operation, the stretching distance of the flexible display screen is 3cm, the stretching distance corresponding to the stretching operation is 2cm, therefore, the stretching distance of the flexible display screen after the stretching operation is 5cm, and the terminal determines and updates the target gain value again according to the compensation gain value and the initial gain value corresponding to the stretching distance of 5 cm.
Optionally, in order to avoid increasing power consumption of the terminal due to changing the target gain value for multiple times, the terminal prohibits the user from performing the scaling operation in the call state, or sets a threshold of the number of scaling operations, and when the number of scaling operations of the user in the call process is greater than the threshold of the number of times, the user is prohibited from performing the scaling operation before the call is ended, which is not limited in the embodiment of the present application.
In the embodiment of the application, the terminal determines the compensation gain value according to the stretching distance of the flexible display screen in the curling state, so that the compensation gain value is increased on the basis of the initial gain value, audio signals collected by the radio microphone can obtain a stronger signal amplification effect, the terminal can update the target gain value according to the telescopic operation in the conversation process, the quality of the audio signals received by the other conversation terminal is improved, and the conversation quality is improved.
Generally, a voice call may include the following three call modes: 1. the user can talk with the receiver by means of the radio microphone (namely, the terminal receiver is close to the ear for talking); 2. the method comprises the following steps of carrying out communication by means of a radio microphone and a loudspeaker (namely, carrying out communication in a hands-free mode); 3. and carrying out conversation by means of an external voice device (such as an external earphone). For the above 1 st communication mode, the user can not actively adjust the distance between the sound receiving hole corresponding to the sound receiving microphone and the sound source in the communication process, for the above 2 nd communication mode, the user can shorten the distance between the sound receiving hole and the sound source by changing the posture of the terminal, and for the above 3 rd communication mode, the voice collection can be realized through an external voice device without the help of the sound receiving microphone. Therefore, by adopting the 2 nd and 3 rd communication modes, a better voice communication effect can be achieved under the condition that the flexible display screen is not adjusted. Therefore, in order to avoid power consumption waste caused by the extension and retraction of the meaningless flexible display screen, the terminal can determine whether the flexible display screen needs to be stretched or not according to the current call posture of the terminal.
Referring to fig. 9, a flowchart of a voice call method according to another exemplary embodiment of the present application is shown. The embodiment is described by taking an example that the method is executed by the terminal shown in fig. 1 to 5, and the process includes the following steps:
step 901, in response to receiving a voice call instruction, acquiring a display screen state of the flexible display screen, where the display screen state includes at least one of an extended state and a retracted state.
The implementation of step 901 refers to step 601 above, and the embodiments of the present application are not described herein again.
And step 902, acquiring a current call mode and a sensor value output by a distance sensor, wherein the distance sensor and a terminal receiver are positioned on the same side.
The sensor value is used for indicating the distance between the distance sensor and an object above the distance sensor, and the distance sensor can detect the distance between the earphone and the ear of the user in the call process. The call modes include a normal mode (i.e., a call is made using an earpiece and a sound receiving microphone), a handsfree mode (i.e., a call is made using a speaker and a sound receiving microphone), and an earphone mode.
And 903, in response to that the current call mode does not belong to the hands-free mode and the earphone mode and the sensor value is smaller than the threshold value, determining a target gain value of the sound receiving microphone according to the state of the display screen where the flexible display screen is located.
In this embodiment, a user listens to a voice through a terminal receiver, and a call gesture when voice collection is performed through a radio microphone is defined as a preset call gesture. If the current communication gesture is the preset communication gesture, the terminal determines a target gain value of the radio microphone according to the state of the display screen where the flexible display screen is located; and if the current communication posture is not the preset communication posture, the terminal adopts a gain value corresponding to a special mode.
In a possible implementation manner, the terminal acquires a current call mode and a sensor value output by the distance sensor, in a manner of determining whether the current call posture is a preset call posture. If the current call mode does not belong to the hands-free mode (corresponding to the 2 nd call mode) and the earphone mode (corresponding to the 3 rd call mode), and the sensor value is smaller than the threshold value (for example, the sensor value is 0 and is smaller than the threshold value 0.5), it indicates that the user currently brings the terminal receiver close to the ear, and performs voice acquisition by using the radio microphone, so as to determine that the current call posture is the preset call posture.
Otherwise, if the current call mode belongs to the hands-free mode or the earphone mode, and/or the sensor value is greater than the threshold value (indicating that the earphone receiver is not close to the ear), the terminal determines that the current call posture does not belong to the preset call posture.
And 904, in the voice communication process, performing gain processing on the audio signal acquired by the sound receiving microphone according to the target gain value.
The implementation of step 904 refers to step 603 described above, and details of the embodiments of the present application are not repeated here.
In a possible implementation manner, a noise reduction hole corresponding to the noise reduction microphone is arranged on the first shell, and the flexible display screen is in a curled state. The terminal determines the microphone distance between the noise reduction microphone and the sound reception microphone according to the stretching distance of the flexible display screen in the rolling state, wherein the microphone distance and the stretching distance are in positive correlation, namely the longer the stretching distance is, the larger the microphone distance is.
Optionally, the terminal stores a corresponding relationship between the stretching distance and the microphone distance, and the terminal determines the microphone distance according to the corresponding relationship and the screen size of the flexible display screen when the exposed display area is the minimum.
Illustratively, the screen size of the terminal in the telescopic direction is 7cm when the exposed display area is minimum, and when the stretching distance is 5cm, the terminal determines that the microphone distance between the noise reduction microphone and the sound reception microphone is 11 cm.
The principle of the two-microphone noise reduction algorithm is as follows: the distance between the sound receiving microphone and the sound source is smaller than the distance between the noise reduction microphone and the sound source (the sound source is positioned at the near end), so the loudness of the sound source audio collected by the sound receiving microphone is higher than the loudness of the sound source audio collected by the noise reduction microphone; the distances between the sound receiving microphone and the noise reduction microphone and the noise source are close (the noise source is positioned at a far end), so that the noise interference can be reduced by making a difference between the two microphone signals. And the microphone signal after the noise is eliminated is enhanced, so that the quality of the sound source audio frequency can be improved.
Therefore, in a possible implementation, if the microphone distance is smaller than a distance threshold (for example, 13cm), the terminal increases the loudness enhancement amplitude of the noise-reduced signal in the noise reduction algorithm; and if the distance between the microphones is greater than the distance threshold, the terminal reduces the loudness enhancement amplitude of the noise-reduced signal in the noise reduction algorithm.
In other possible embodiments, the terminal stores a correspondence between the microphone spacing and the loudness enhancement amplitude, and the terminal determines the target loudness enhancement amplitude based on the correspondence.
Of course, the terminal may adjust the difference process of the two microphone signals in addition to adjusting the loudness enhancement amplitude, which is not limited in this embodiment.
Optionally, if the flexible display screen is in a stretched state, the terminal does not need to adjust the noise reduction algorithm.
And 907, performing noise reduction processing on the audio signal output by the sound receiving microphone through the audio signal output by the noise reduction microphone according to the adjusted noise reduction algorithm.
Furthermore, the terminal utilizes the environmental sound collected by the noise reduction microphone to perform noise reduction processing on the call voice according to the adjusted noise reduction algorithm, so that the signal quality of the sound source signal is improved.
In the embodiment of the application, the terminal correspondingly adjusts the noise reduction algorithm of the double microphones according to the microphone distance between the sound receiving microphone and the noise reduction microphone in the curling state, so that the noise reduction effect when a user uses the terminal to carry out voice call is improved, and the voice call quality is further improved.
Referring to fig. 10, a flowchart of a voice call method according to another exemplary embodiment of the present application is shown. The embodiment is described by taking an example that the method is executed by the terminal shown in fig. 1 to 5, and the process includes the following steps:
step 1001, make/receive a call.
Step 1002, detecting whether the telephone is connected. If yes, go to step 1003; if not, return to step 1001.
And 1003, detecting whether the flexible display screen is in a rolling state. If yes, go to step 1005; if not, go to step 1004.
Step 1004, determine the initial gain value as the target gain value.
Step 1005, determining a target gain value according to the stretching distance.
Step 1006, performing gain processing on the audio signal according to the target gain value.
Step 1007, detecting whether the call is finished. If yes, go to step 1008; if not, return to step 1006.
Step 1008 sets the gain value to a default gain value.
Referring to fig. 11, a block diagram of a voice call apparatus according to an embodiment of the present application is shown. The apparatus may be implemented as all or a portion of the terminal in software, hardware, or a combination of both. The device includes:
a first obtaining module 1101, configured to obtain, in response to receiving a voice call instruction, a display screen state of the flexible display screen, where the display screen state includes at least one of an extended state and a scrolled state;
the first determining module 1102 is configured to determine a target gain value of the sound receiving microphone according to the display screen state where the flexible display screen is located, where different display screen states correspond to different gain values;
and the gain processing module 1103 is configured to perform gain processing on the audio signal acquired by the sound receiving microphone according to the target gain value in the voice call process.
Optionally, the first determining module 1102 includes:
a first determining unit, configured to determine an initial gain value as the target gain value in response to the flexible display screen being in the extended state;
and the second determining unit is used for responding to the flexible display screen in the rolling state, and determining the target gain value according to the stretching distance of the flexible display screen in the rolling state and the initial gain value, wherein the stretching distance is the stretching distance of the flexible display screen in the relative movement direction of the shell.
Optionally, the second determining unit is further configured to:
determining a compensation gain value according to the stretching distance of the flexible display screen in the curling state, wherein the compensation gain value and the stretching distance are in a negative correlation relationship;
and determining the target gain value according to the compensation gain value and the initial gain value.
Optionally, the apparatus further comprises:
the second acquisition module is used for acquiring the historical gain value of the sound receiving microphone in at least one target historical conversation process, wherein the flexible display screen is in the stretching state in the target historical conversation process;
a second determining module, configured to determine the initial gain value according to at least one of the historical gain values.
Optionally, the apparatus further comprises:
the third determining module is used for responding to the fact that the flexible display screen is received in the voice call process, and determining the telescopic distance corresponding to the telescopic operation;
and the updating module is used for updating the target gain value according to the telescopic distance.
Optionally, the first determining module 1102 includes:
the system comprises a value acquisition unit, a distance sensor and a terminal receiver, wherein the value acquisition unit is used for acquiring a current call mode and a sensor value output by the distance sensor, and the distance sensor and the terminal receiver are positioned on the same side;
and the third determining unit is used for determining the target gain value of the sound receiving microphone according to the state of the display screen where the flexible display screen is located in response to the fact that the current call mode does not belong to a hands-free mode and an earphone mode and the sensor value is smaller than a threshold value.
Optionally, the terminal is further provided with a noise reduction microphone;
the device further comprises:
a fourth determining module, configured to determine a microphone distance between the sound receiving microphone and the noise reduction microphone in the curled state;
the adjusting module is used for adjusting a noise reduction algorithm according to the microphone distance;
and the processing module is used for carrying out noise reduction processing on the audio signal output by the sound receiving microphone through the audio signal output by the noise reduction microphone according to the adjusted noise reduction algorithm.
Optionally, the apparatus further comprises:
and the setting module is used for setting the gain value of the sound receiving microphone as a default gain value in response to the received call ending instruction.
To sum up, in the embodiment of the application, when the terminal receives the voice call instruction, according to the target gain value of the display screen state adjustment radio reception microphone of flexible display screen, carry out gain processing to the audio signal that the radio reception microphone was gathered, flexible display screen is flexible to lead to can't realize that the earphone is located the ear and the radio reception microphone is located under the condition of mouth, can improve the radio reception quality at terminal, and do not need the manual flexible display screen adjustment display screen state that stretches out and draws back of user, user operation has been simplified, the life of flexible display screen has been prolonged simultaneously.
In the embodiment of the application, the terminal determines the compensation gain value according to the stretching distance of the flexible display screen in the curling state, so that the compensation gain value is increased on the basis of the initial gain value, audio signals collected by the radio microphone can obtain a stronger signal amplification effect, the terminal can update the target gain value according to the telescopic operation in the conversation process, the quality of the audio signals received by the other conversation terminal is improved, and the conversation quality is improved.
In addition, in the embodiment of the application, the terminal correspondingly adjusts the dual-microphone noise reduction algorithm according to the microphone distance between the sound receiving microphone and the noise reduction microphone in the curling state, so that the noise reduction effect when a user uses the terminal for voice call is improved, and the voice call quality is further improved.
In the above device embodiment, the function implementation process of each module or unit may refer to the above method embodiment, and this embodiment is not described herein again.
Referring to fig. 12, a block diagram of a terminal according to an exemplary embodiment of the present application is shown. The terminal 1200 may be a smartphone, a tablet computer, a wearable device, or the like. The terminal 1200 in the present application may include one or more of the following components: a processor 1210, a memory 1220, and a flexible display 1230.
The Memory 1220 may include a Random Access Memory (RAM) or a Read-Only Memory (ROM). Optionally, the memory 1220 includes a non-transitory computer-readable medium. The memory 1220 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 1220 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing various method embodiments described below, and the like; the storage data area may store data (such as audio data, a phonebook) created according to the use of the terminal 800, and the like.
The flexible display 1203 is used for receiving touch operations of a user on or near the flexible display using a finger, a touch pen, or any other suitable object, and displaying user interfaces of various applications. The flexible display 1203 is typically disposed on the front panel of the terminal 1200. In the embodiment of the application, the size of the exposed display area of the flexible display screen 1203 can be changed along with the telescopic operation; alternatively, the terminal 1200 can only illuminate the exposed display area of the flexible display 1203.
In this embodiment, the terminal 1200 further includes a driving member, and the driving member is used to drive the flexible display screen to expand or contract. Optionally, the terminal 1200 further includes a driving mechanism, and the driving mechanism is configured to drive the first housing and the second housing to move relatively.
In addition, those skilled in the art will appreciate that the configuration of terminal 1200 illustrated in the above-described figures is not meant to be limiting with respect to terminal 1200, and that terminals may include more or less components than those illustrated, or some components may be combined, or a different arrangement of components. For example, the terminal 1200 further includes a radio frequency circuit, a shooting component, a microphone, an earpiece, a speaker, a sensor, an audio circuit, a Wireless Fidelity (WiFi) component, a power supply, a bluetooth component, and other components, which are not described herein again.
The embodiment of the present application further provides a computer-readable storage medium, where at least one instruction is stored, and the at least one instruction is loaded and executed by the processor to implement the voice call method according to the above embodiments.
The embodiment of the present application further provides a computer program product, where at least one instruction is stored, and the at least one instruction is loaded and executed by the processor to implement the voice call method according to the above embodiments.
Those skilled in the art will recognize that, in one or more of the examples described above, the functions described in the embodiments of the present application may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable storage medium. Computer-readable storage media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (11)
1. A voice call method, applied to a terminal having a flexible display screen, wherein the terminal includes a first housing and a second housing, the second housing is slidably connected to the first housing, and the second housing and the first housing change an exposed display area of the flexible display screen through a relative motion, the method comprising:
responding to a received voice call instruction, and acquiring a display screen state of the flexible display screen, wherein the display screen state comprises at least one of an extension state and a rolling state;
determining a target gain value of a sound receiving microphone according to the display screen state of the flexible display screen, wherein different display screen states correspond to different gain values;
and in the voice call process, performing gain processing on the audio signal collected by the sound receiving microphone according to the target gain value.
2. The method of claim 1, wherein determining a target gain value of a radio microphone according to the display screen state of the flexible display screen comprises:
determining an initial gain value as the target gain value in response to the flexible display screen being in the extended state;
and responding to the flexible display screen in the rolling state, and determining the target gain value according to the stretching distance of the flexible display screen in the rolling state and the initial gain value, wherein the stretching distance is the stretching distance of the flexible display screen in the relative movement direction of the shell.
3. The method of claim 2, wherein determining the target gain value based on the stretched distance of the flexible display screen in the rolled state and the initial gain value comprises:
determining a compensation gain value according to the stretching distance of the flexible display screen in the curling state, wherein the compensation gain value and the stretching distance are in a negative correlation relationship;
and determining the target gain value according to the compensation gain value and the initial gain value.
4. The method of claim 2, further comprising:
acquiring a historical gain value of the radio microphone in at least one target historical conversation process, wherein the flexible display screen is in the stretching state in the target historical conversation process;
determining the initial gain value based on at least one of the historical gain values.
5. The method of any of claims 2 to 4, wherein after determining the target gain value for the radio microphone, the method further comprises:
responding to the fact that the flexible display screen is received to be stretched in the voice communication process, and determining stretching distance corresponding to stretching operation;
and updating the target gain value according to the telescopic distance.
6. The method according to any one of claims 1 to 4, wherein the determining a target gain value of a sound reception microphone according to the display screen state of the flexible display screen comprises:
acquiring a current call mode and a sensor value output by a distance sensor, wherein the distance sensor and a terminal receiver are positioned on the same side;
and determining the target gain value of the sound receiving microphone according to the state of the display screen where the flexible display screen is located in response to that the current call mode does not belong to a hands-free mode and an earphone mode and the sensor value is smaller than a threshold value.
7. The method according to any one of claims 1 to 4, wherein the terminal is further provided with a noise reduction microphone;
after the audio signal collected by the sound receiving microphone is subjected to gain processing according to the target gain value, the method further comprises the following steps:
determining a microphone distance between the sound receiving microphone and the noise reduction microphone in the curled state;
adjusting a noise reduction algorithm according to the microphone distance;
and according to the adjusted noise reduction algorithm, carrying out noise reduction processing on the audio signal output by the sound receiving microphone through the audio signal output by the noise reduction microphone.
8. The method of any of claims 1 to 4, further comprising:
and setting the gain value of the sound receiving microphone as a default gain value in response to receiving a call ending instruction.
9. A voice call device, wherein the device is applied to a terminal having a flexible display screen, the terminal includes a first housing and a second housing, the second housing is slidably connected to the first housing, the second housing and the first housing change an exposed display area of the flexible display screen through a relative movement, the device includes:
the first acquisition module is used for responding to a received voice call instruction and acquiring a display screen state of the flexible display screen, wherein the display screen state comprises at least one of an extension state and a rolling state;
the first determining module is used for determining a target gain value of the sound receiving microphone according to the display screen state of the flexible display screen, wherein different display screen states correspond to different gain values;
and the gain processing module is used for performing gain processing on the audio signal acquired by the sound receiving microphone according to the target gain value in the voice call process.
10. A terminal, characterized in that the terminal comprises a processor and a memory; the memory stores at least one instruction for execution by the processor to implement a voice call method as claimed in any one of claims 1 to 8.
11. A computer-readable storage medium having stored thereon at least one instruction for execution by a processor to implement a voice call method as claimed in any one of claims 1 to 8.
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| CN202010490893.8A CN113824816A (en) | 2020-06-02 | 2020-06-02 | Voice communication method, device, terminal and storage medium |
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| CN202010490893.8A CN113824816A (en) | 2020-06-02 | 2020-06-02 | Voice communication method, device, terminal and storage medium |
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