User hearing protection method, apparatus, and electronic device

Patent metadata

Field	Value
Publication number	US-12069451-B2
Application number	US-202017779149-A
Country	US
Kind code	B2
Filing date	Nov 11, 2020
Priority date	Dec 11, 2019
Publication date	Aug 20, 2024
Grant date	Aug 20, 2024

Abstract

Embodiments of this application provide a user hearing protection method, apparatus, and electronic device. In the method, after an electronic device enables a hearing protection mode, when an audio output mode is a headset output, sound pressure output by the headset is obtained based on current-frame sound source data; when the sound pressure is greater than a predetermined sound pressure threshold, an instantaneous sound pressure over-standard warning is performed, and an instantaneous sound pressure over-standard protection operation is performed on the electronic device. In addition, after the output sound pressure is obtained, the sound pressure may be stored, and a sound dose accumulated to a current moment may be determined based on the stored historical sound pressure data; when the sound dose is greater than a predetermined sound dose standard value, sound dose over-standard warning and a sound dose over-standard protection operation are performed.

First claim

What is claimed is:

1. A user hearing protection method, comprising:
after an electronic device enables a hearing protection mode, when a current sound output mode of the electronic device is a headset output, obtaining current-frame sound source data;
obtaining, based on the current-frame sound source data, sound pressure output by a headset connected to the electronic device;
comparing the sound pressure with a predetermined sound pressure threshold; and
if the sound pressure is greater than the predetermined sound pressure threshold, performing an instantaneous sound pressure over-standard warning and an instantaneous sound pressure over-standard protection operation,
wherein the obtaining, based on the current-frame sound source data, sound pressure output by a headset connected to the electronic device comprises:
obtaining a current usage scenario of the headset by a scenario obtaining submodule of an obtaining module, wherein the current usage scenario comprises audio play, video play, gaming, or making a call;
obtaining, based on the current-frame sound source data and a sound effect change and a gain value that are of a channel corresponding to the current usage scenario, a digital signal value output to a headset interface of the electronic device;
obtaining, based on the digital signal value and a digital-to-electrical conversion gain value of the electronic device, a voltage value output to the headset interface; and
obtaining, based on the voltage value and an electro-acoustic conversion coefficient of the headset, sound pressure output by the headset.

2. The method according to claim 1 , after the obtaining, based on the current-frame sound source data, sound pressure output by a headset connected to the electronic device, further comprising:
storing the sound pressure corresponding to the current-frame sound source data;
determining, based on the stored historical sound pressure data, a sound dose accumulated to a current moment;
comparing the sound dose with a predetermined sound dose standard value; and
if the sound dose is greater than the predetermined sound dose standard value, performing sound dose over-standard warning and a sound dose over-standard protection operation.

3. The method according to claim 1 , before the obtaining current-frame sound source data, further comprising:
detecting operation information of a user of an electronic device;
enabling a hearing protection mode of the electronic device in response to the operation information; and
obtaining and storing the instantaneous sound pressure over-standard protection operation and a sound dose over-standard protection operation that are set by the user.

4. The method according to claim 1 , before the obtaining, based on the voltage value and an electro-acoustic conversion coefficient of the headset, sound pressure output by the headset, further comprising:
after the electronic device plays unique voice source data, obtaining electrical signal time domain data at a headset interface of the electronic device, and obtaining acoustic signal time domain data output by the headset; and
obtaining the electro-acoustic conversion coefficient of the headset based on the electrical signal time domain data and the acoustic signal time domain data.

5. The method according to claim 1 , wherein the obtaining, based on the voltage value and an electro-acoustic conversion coefficient of the headset, sound pressure output by the headset comprises:
converting the voltage value into electrical signal frequency domain data;
obtaining acoustic signal frequency domain data based on the electrical signal frequency domain data and the electro-acoustic conversion coefficient;
converting the acoustic signal frequency domain data into acoustic signal time domain data; and
obtaining, based on the acoustic signal time domain data, the sound pressure output by the headset.

6. A user hearing protection apparatus, comprising:
an obtaining module, configured to: after an electronic device enables a hearing protection mode, when a current sound output mode of the electronic device is a headset output, obtain current-frame sound source data; and obtain, based on the current-frame sound source data, sound pressure output by a headset connected to the electronic device; and
a comparison module, configured to compare the sound pressure with a predetermined sound pressure threshold; and
a protection module, configured to: if the sound pressure is greater than the predetermined sound pressure threshold, perform an instantaneous sound pressure over-standard warning and an instantaneous sound pressure over-standard protection operation,
wherein the obtaining module comprises:
a scenario obtaining submodule, configured to obtain a current usage scenario of the headset, wherein the current usage scenario comprises audio play, video play, gaming, or making a call;
a voltage value obtaining submodule, configured to: obtain, based on the current-frame sound source data and a sound effect change and a gain value that are of a channel corresponding to the current usage scenario, a digital signal value output to a headset interface of the electronic device; and obtain, based on the digital signal value and a digital-to-electrical conversion gain value of the electronic device, a voltage value output to the headset interface; and
a sound pressure obtaining submodule, configured to obtain, based on the voltage value and an electro-acoustic conversion coefficient of the headset, sound pressure output by the headset.

7. The apparatus according to claim 6 , further comprising:
a storage module, configured to: after an obtaining module obtains the sound pressure output by the headset connected to the electronic device, store the sound pressure corresponding to the current-frame sound source data; and
a determining module, configured to determine, based on the stored historical sound pressure data, a sound dose accumulated to a current moment; and
the comparison module is further configured to compare the sound dose with a predetermined sound dose standard value; and
the protection module is further configured to: when the sound dose is greater than the predetermined sound dose standard value, perform sound dose over-standard warning and a sound dose over-standard protection operation.

8. The apparatus according to claim 6 , further comprising:
a detection module, configured to: before an obtaining module obtains the current-frame sound source data, detect operation information of a user of an electronic device;
an enabling module, configured to enable a hearing protection mode of the electronic device in response to the operation information detected by the detection module; and
an operation obtaining module, configured to obtain an instantaneous sound pressure over-standard protection operation and a sound dose over-standard protection operation that are set by the user; and
a storage module, configured to store the instantaneous sound pressure over-standard protection operation and the sound dose over-standard protection operation that are obtained by the obtaining module.

9. The apparatus according to claim 6 , wherein the obtaining module further comprises:
a coefficient obtaining submodule, configured to: before the sound pressure obtaining submodule obtains the sound pressure output by the headset, and after the electronic device plays unique sound source data, obtain electrical signal time domain data at a headset interface of the electronic device, and obtain acoustic signal time domain data output by the headset; and obtain an electro-acoustic conversion coefficient of the headset based on the electrical signal time domain data and the acoustic signal tim

Assignees

• Honor Device Co Ltd

Inventors

• Guo Zhiwei
• Lin Song
• An Yanbin
• Shu Wen

Classifications

• H04R2430/01

  Aspects of volume control, not necessarily automatic, in sound systems · CPC title

• H04R5/04

  Circuit arrangements, {e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments (combinations of amplifiers H03F3/68; stereophonic systems H04S)} · CPC title

• H04R5/033

  Headphones for stereophonic communication {(details thereof, e.g. relating to batteries, cables or control elements H04R1/10)} · CPC title

• H04R1/1041

  Mechanical or electronic switches, or control elements (switches in general H01H) · CPC title

• H04R29/00

  Monitoring arrangements; Testing arrangements {(for hearing aids H04R25/30; detection of loudspeaker connection H04R5/04; sound-field adaptation dependent on speaker detection H04S7/308)} · CPC title