Ultrasonic processing method, electronic device, and computer-readable medium

Patent metadata

Field	Value
Publication number	US-11777615-B2
Application number	US-202117559929-A
Country	US
Kind code	B2
Filing date	Dec 22, 2021
Priority date	Jul 31, 2019
Publication date	Oct 3, 2023
Grant date	Oct 3, 2023

Abstract

Disclosed are an ultrasonic processing method and apparatus, an electronic device, and a computer-readable medium, wherein same relate to the technical field of mobile terminals. The method includes: when it is monitored that an electronic device outputs a ringing sound, acquiring audio data of an ultrasonic signal received by an ultrasonic receiving apparatus, wherein the ultrasonic signal is a signal that is transmitted by an ultrasonic transmitting apparatus and returned after same is reflected by an object; determining, according to the audio data, a change in the distance between the electronic device and the object; and adjusting the volume of the ringing according to the change in the distance.

First claim

What is claimed is:

1. An ultrasonic processing method performed by an electronic device, wherein the electronic device comprises an ultrasonic transmitting apparatus and an ultrasonic receiving apparatus, and the method comprises:
in response to monitoring that the electronic device outputs ringing, acquiring audio data of an ultrasonic signal received by the ultrasonic receiving apparatus, wherein the ultrasonic signal is a signal that is transmitted by the ultrasonic transmitting apparatus and returns after being reflected by an object;
determining a change of a distance between the electronic device and the object according to the audio data; and
adjusting a volume of the ringing according to the change of the distance;
wherein adjusting the volume of the ringing according to the change of the distance comprises:
determining a distance-change value corresponding to the change of the distance; and
adjusting the volume of the ringing according to the distance-change value, comprising:
determining a target volume corresponding to the change value of the distance between the electronic device and the object according to a preset corresponding relationship between the distance-change value and the volume, and adjusting the volume of the ringing according to the target volume.

2. The method according to claim 1 , wherein the audio data is audio data of a plurality of ultrasonic signals collected by the ultrasonic receiving apparatus from a specified moment, and the specified moment is a moment when it is monitored that the electronic device outputs ringing;
the determining a distance-change value corresponding to the change of the distance comprises:
determining a relative movement state between the electronic device and the object corresponding to each piece of the audio data according to each piece of the audio data starting from the specified moment; and
determining a change value of a distance between the electronic device and the object according to a plurality of relative movement states.

3. The method according to claim 2 , wherein the relative movement states comprise a relatively approaching state and a relatively distancing state, and the determining a change value of a distance between the electronic device and the object according to a plurality of relative movement states comprises:
in the plurality of relative movement states, determining a first quantity of pieces of audio data corresponding to the relatively approaching state and a second quantity of pieces of audio data corresponding to the relatively distancing state;
determining an approaching amplitude according to the first quantity;
determining a distancing amplitude according to the second quantity; and
determining the change value of the distance between the electronic device and the object according to the approaching amplitude and the distancing amplitude.

4. The method according to claim 3 , further comprising:
saving the determined first quantity, second quantity, and change value of the distance between the electronic device and the object; and
in response to determining the relative movement state corresponding to the audio data a next time, directly updating the first quantity, the second quantity, and the change value of the distance between the electronic device and the object on a basis of the saved determination.

5. The method according to claim 3 , wherein the determining an approaching amplitude according to the first quantity, determining a distancing amplitude according to the second quantity, and determining the change value of the distance between the electronic device and the object according to the approaching amplitude and the distancing amplitude comprises:
determining the approaching amplitude according to the following formula:
S 1= M *Sum dif_min

wherein S1 is the approaching amplitude, M is the first quantity, and Sum dif_min is a volume adjustment threshold;
determining the distancing amplitude according to the following formula:
S 2=− N *Sum dif_min

wherein S2 is the distancing amplitude, and N is the second quantity; and
determining the change value of the distance between the electronic device and the object according to the following formula:
Sum dif =( M−N )*Sum dif_min

wherein Sum dif is the change value of the distance between the electronic device and the object.

6. The method according to claim 5 , wherein the preset corresponding relationship between the distance-change value and the volume comprises:
in response to the distance-change value being smaller than a maximum threshold, when the distance-change value is (M−N)*Sum dif_min , a volume corresponding to the distance-change value is Volume ring /(M−N); and
in response to the distance-change value being larger than or equal to the maximum threshold, a response volume corresponding to the distance-change value is a mute volume.

7. The method according to claim 3 , wherein the determining a change value of a distance between the electronic device and the object according to a plurality of relative movement states comprises:
in the plurality of relative movement states, determining a first quantity of pieces of audio data corresponding to the relatively approaching state;
determining an approaching amplitude according to the first quantity; and
determining the change value of the distance between the electronic device and the object according to the approaching amplitude.

8. The method according to claim 2 , wherein the determining a relative movement state between the electronic device and the object corresponding to each piece of the audio data according to each piece of the audio data starting from the specified moment comprises:
acquiring a Doppler-effect area difference corresponding to each piece of the audio data; and
determining a relative movement state corresponding to each piece of the audio data according to the Doppler-effect area difference corresponding to each piece of the audio data.

9. The method according to claim 8 , wherein the determining a relative movement state corresponding to each piece of the audio data according to the Doppler-effect area difference corresponding to each piece of the audio data comprises:
when the Doppler-effect area difference corresponding to the audio data is larger than a first threshold, determining that the relative movement state between the electronic device and the object corresponding to the audio data is relatively approaching.

10. The method according to claim 8 , wherein the determining a relative movement state corresponding to each piece of the audio data according to the Doppler-effect area difference corresponding to each piece of the audio data comprises:
when the Doppler-effect area difference corresponding to the audio data is smaller than a second threshold, determining that the relative movement state between the electronic device and the object corresponding to the audio data is relatively distancing.

11. The method according to claim 1 , wherein the adjusting the volume of the ringing according to the distance change comprises:
in response to the change of the distance being distance decreasing, decreasing the volume of the ringing; and
in response to the change of the distance being distance increasing, increasing the volume of the ringing.

12. The method according to claim 11 , wherein the in response to the change of the distance being distance decreasing, decreasing the volume of the ringing; and in response to the change of the distance being distance increasing, increasing the volume of the ringing comprises:
acquiring a movement direction of the object relative to t

Assignees

• Guangdong Oppo Mobile Telecommunications Corp Ltd

Inventors

• Yang Hai

Classifications

• H04B11/00 Primary

  Transmission systems employing ultrasonic, sonic or infrasonic waves · CPC title

• G01S3/80

  using ultrasonic, sonic or infrasonic waves · CPC title

• G01S15/08 Primary

  Systems for measuring distance only (indirect measurement G01S15/46) · CPC title

• H04M19/042 Primary

  with variable loudness of the ringing tone, e.g. variable envelope or amplitude of ring signal · CPC title

• H04M19/047

  Vibrating means for incoming calls · CPC title