IP Library Granted Patent US 12,470,650
Granted Patent B2
US 12,470,650 · App. 17/991,559 · Granted Nov 11, 2025

Voice call method and apparatus, terminal, and storage medium

Inventor: Biao Chen (Dongguan, CN)
Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD.
H04M1/72448G06T7/70G10L25/51H04M1/0268H04R1/028H04R1/04H04R1/08H04R3/005H04R29/005G06T2207/30201H04R2410/05H04R2499/11H04R2499/15
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Quick Facts
Patent No.
US 12,470,650
App. No.
17/991,559
Granted
Nov 11, 2025
Kind
B2
Abstract

Provided are a voice call method, an apparatus, a terminal, and a storage medium, relating to the technical field of the terminal. The method includes: obtaining, in response to a voice call instruction, a display screen state of the flexible display screen, the display screen state comprising at least one of a roll-up state and a spread-out state; controlling, in response to the flexible display screen being in the roll-up state, the flexible display screen to spread out, wherein the first housing and the second housing move relative to each other while spreading out the flexible display screen, and wherein a distance between the sound receiving hole and a sound source after the spreading out is smaller than a distance between the sound receiving hole and the sound source before the spreading out; and collecting call voice through the radio microphone.

Claims (79)

1 . A voice call method, applied in a terminal having a flexible display screen, the terminal comprising a first housing and a second housing slidably connected to the first housing, the flexible display screen having an exposed display area that is changeable through a relative movement between the second housing and the first housing, and the second housing having a radio microphone;

the method comprising:

obtaining, in response to a voice call instruction, a display screen state of the flexible display screen, the display screen state comprising at least one of a roll-up state and a spread-out state;

controlling, in response to the voice call instruction and the flexible display screen being in the roll-up state, the flexible display screen to spread out, wherein the first housing and the second housing move relative to each other while spreading out the flexible display screen, and wherein a distance between the radio microphone and a sound source after the spreading out of the flexible display screen is smaller than a distance between the radio microphone and the sound source before the spreading out of the flexible display screen; and

collecting call voice through the radio microphone with the flexible display screen remaining in the spread-out state during the voice call.

2 . The method according to claim 1 , wherein said controlling, in response to the voice call instruction and the flexible display screen being in the roll-up state, the flexible display screen to spread out comprises:

in response to the voice call instruction and the flexible display screen being in the roll-up state, determining whether a current call posture is a predetermined call posture, the predetermined call posture being a posture during a voice call conducted through a receiver and the radio microphone; and

in response to that the current call posture is the predetermined call posture, controlling the flexible display screen to spread out.

3 . The method according to claim 2 , wherein said determining whether the current call posture is the predetermined call posture comprises:

obtaining a current call mode and a sensor value outputted by a distance sensor, the distance sensor being located on a same side as the receiver; and

determining, in response to that the current call mode is neither a hands-free mode nor an earphone mode, and in response to that the sensor value is smaller than a threshold, that the current call posture is the predetermined call posture.

4 . The method according to claim 1 , wherein said controlling the flexible display screen to spread out comprises:

determining a spread-out distance of the flexible display screen;

generating, based on the spread-out distance, a spreading out instruction; and

transmitting the spreading out instruction to a screen mechanical assembly, the screen mechanical assembly being configured to control, based on the spreading out instruction, the flexible display screen to spread out.

5 . The method according to claim 4 , wherein said determining the spread-out distance of the flexible display screen comprises:

obtaining a current screen length of the flexible display screen in the roll-up state, wherein the current screen length is a length of the exposed display area in a direction of the relative movement of the first and second housings; and

determining, based on the current screen length and a target screen length, the spread-out distance, wherein the target screen length is a maximum spread-out length of the flexible display screen in the direction of the relative movement of the housings, or a self-adaptive screen length smaller than or equal to the maximum spread-out length.

6 . The method according to claim 5 , wherein the target screen length is the self-adaptive screen length; and

wherein said controlling the flexible display screen to spread out further comprises:

controlling the flexible display screen to spread out from the current screen length to the maximum spread-out length;

obtaining a loudness of the call voice collected by the radio microphone during the spreading out; and

determining, as the self-adaptive screen length, a spread-out length corresponding to a maximum loudness.

7 . The method according to claim 5 , wherein the target screen length is the self-adaptive screen length; and

wherein said controlling the flexible display screen to spread out further comprises:

obtaining a facial image of a user; and

determining the self-adaptive screen length based on a distance between a mouth and an ear in the facial image of the user.

8 . The method according to claim 5 , wherein:

the first housing has a noise reduction microphone;

the target screen length is the self-adaptive screen length; and

the method, subsequent to said collecting the call voice through the radio microphone, further comprises:

determining, in response to spreading out to the self-adaptive screen length, a microphone spacing distance between the noise reduction microphone and a sound receiving hole;

adjusting, based on the microphone spacing distance, a noise reduction algorithm; and

performing, based on the adjusted noise reduction algorithm, a noise reduction processing on the call voice through ambient sound collected by the noise reduction microphone.

9 . The method according to claim 1 , further comprising, subsequent to said collecting the call voice through the radio microphone:

controlling, in response to an end-of-call instruction, the flexible display screen to roll up, wherein the flexible display screen is in the roll-up state after the rolling up.

10 . The method according to claim 9 , wherein said controlling, in response to the end-of-call instruction, the flexible display screen to roll up comprises:

obtaining, in response to the end-of-call instruction, a terminal gripping posture; and

controlling, in response to an automatic spreading out or rolling up being allowable under the terminal gripping posture, the flexible display screen to roll up.

11 . A terminal, comprising:

a first housing;

a second housing slidably connected to the first housing, the second housing having a radio microphone;

a flexible display screen having an exposed display area, the exposed display area being changeable through a relative movement between the second housing and the first housing;

a processor; and

a memory having at least one instruction stored thereon,

wherein the at least one instruction is executable by the processor to implement operations comprising:

obtaining, in response to a voice call instruction, a display screen state of the flexible display screen, the display screen state comprising at least one of a roll-up state and a spread-out state;

controlling, in response to the voice call instruction and the flexible display screen being in the roll-up state, the flexible display screen to spread out, wherein the first housing and the second housing move relative to each other while spreading out the flexible display screen, and wherein a distance between the radio microphone and a sound source after the spreading out of the flexible display screen is smaller than a distance between the radio microphone and the sound source before the spreading out of the flexible display screen; and

collecting call voice through the radio microphone with the flexible display screen remaining in the spread-out state during the voice call.

12 . The terminal according to claim 11 , wherein the second housing has a sound receiving hole, the radio microphone being disposed in the sound receiving hole.

13 . The terminal according to claim 11 , wherein said controlling, in response to the voice call instruction and the flexible display screen being in the roll-up state, the flexible display screen to spread out comprises:

in response to the voice call instruction and the flexible display screen being in the roll-up state, determining whether a current call posture is a predetermined call posture, the predetermined call posture being a posture during a voice call conducted through a receiver and the radio microphone; and

in response to that the current call posture is the predetermined call posture, controlling the flexible display screen to spread out.

14 . The terminal according to claim 11 , wherein said controlling the flexible display screen to spread out comprises:

determining a spread-out distance of the flexible display screen;

generating, based on the spread-out distance, a spreading out instruction; and

transmitting the spreading out instruction to a screen mechanical assembly, the screen mechanical assembly being configured to control, based on the spreading out instruction, the flexible display screen to spread out.

15 . The terminal according to claim 14 , wherein said determining the spread-out distance of the flexible display screen comprises:

obtaining a current screen length of the flexible display screen in the roll-up state, wherein the current screen length is a length of the exposed display area in a direction of the relative movement of the first and second housings; and

determining, based on the current screen length and a target screen length, the spread-out distance, wherein the target screen length is a maximum spread-out length of the flexible display screen in the direction of the relative movement of the housings, or a self-adaptive screen length smaller than or equal to the maximum spread-out length.

16 . The terminal according to claim 15 , wherein the target screen length is the self-adaptive screen length; and

wherein said controlling the flexible display screen to spread out further comprises:

obtaining a facial image of a user; and

determining the self-adaptive screen length based on a distance between a mouth and an ear in the facial image of the user.

17 . The terminal according to claim 15 , wherein:

the first housing has a noise reduction microphone;

the target screen length is the self-adaptive screen length; and

the operations, subsequent to said collecting the call voice through the radio microphone, further comprise:

determining, in response to spreading out to the self-adaptive screen length, a microphone spacing distance between the noise reduction microphone and a sound receiving hole;

adjusting, based on the microphone spacing distance, a noise reduction algorithm; and

performing, based on the adjusted noise reduction algorithm, a noise reduction processing on the call voice through ambient sound collected by the noise reduction microphone.

18 . The terminal according to claim 17 , wherein the first housing has a noise reduction hole, the noise reduction microphone being disposed in the noise reduction hole.

19 . The terminal according to claim 11 , further comprising, subsequent to said collecting the call voice through the radio microphone:

controlling, in response to an end-of-call instruction, the flexible display screen to roll up, wherein the flexible display screen is in the roll-up state after the rolling up.

20 . A non-transitory computer-readable storage medium, having at least one instruction stored thereon, wherein the at least one instruction is executable by a processor to implement operations applied in a terminal having a flexible display screen, the terminal comprising a first housing and a second housing slidably connected to the first housing, the flexible display screen having an exposed display area that is changeable through a relative movement between the second housing and the first housing, and the second housing having a radio microphone,

the operations comprise:

obtaining, in response to a voice call instruction, a display screen state of the flexible display screen, the display screen state comprising at least one of a roll-up state and a spread-out state;

controlling, in response to the voice call instruction and the flexible display screen being in the roll-up state, the flexible display screen to spread out, wherein the first housing and the second housing move relative to each other while spreading out the flexible display screen, and wherein a distance between the radio microphone and a sound source after the spreading out of the flexible display screen is smaller than a distance between the radio microphone and the sound source before the spreading out of the flexible display screen; and

collecting call voice through the radio microphone with the flexible display screen remaining in the spread-out state during the voice call.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 21, 2022
From: CHEN, BIAO
To: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Reel/Frame 061844/0966 →
Priority Claims (1)
CN 202010454069.7 · May 26, 2020 · national
Continuity (2)
Continuation PCTCN2021089320 · Apr 23, 2021
Related Publication 20230095163A1 · Mar 30, 2023
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