Electronic device for controlling volume level of audio signal on basis of states of multiple speakers

Patent metadata

Field	Value
Publication number	US-2020348902-A1
Application number	US-201816765245-A
Country	US
Kind code	A1
Filing date	Dec 7, 2018
Priority date	Dec 8, 2017
Publication date	Nov 5, 2020
Grant date	—

Abstract

According to various embodiments of the disclosure, an electronic device includes a first speaker, a second speaker, at least one sensor that detects a state of at least one of the first speaker and the second speaker and at least one processor electrically connected to the first speaker, the second speaker and the at least one sensor, wherein the at least one processor outputs an audio signal through the first speaker and the second speaker, identifies states of the first speaker and the second speaker by using the at least one sensor, and decreases a volume level of an audio signal output by the first speaker and increases a volume level of an audio signal output by the second speaker when it is determined that the state of the first speaker is an abnormal state. In addition, various embodiments understood from the specification are possible.

First claim

1 . An electronic device comprising:
a first speaker; a second speaker; at least one sensor configured to detect a state of at least one of the first speaker and the second speaker; and at least one processor electrically connected to the first speaker, the second speaker and the at least one sensor, wherein the at least one processor is configured to: output an audio signal through the first speaker and the second speaker identify states of the first speaker and the second speaker by using the at least one sensor, and decrease a volume level of the audio signal output by the first speaker and increase a volume level of the audio signal output by the second speaker when it is determined that the state of the first speaker is an abnormal state.

2 . The electronic device of claim 1 , wherein the first speaker outputs a first audio signal having a first frequency characteristic, and the second speaker outputs a second audio signal having a second frequency characteristic, and
wherein the at least one processor is configured to increase a volume level of the second audio signal based on the first frequency characteristic of the first audio signal which is decreased.

3 . The electronic device of claim 2 , wherein the first audio signal has the first frequency characteristic in which an intensity of a signal in a specified low frequency band is greater than an intensity of a signal in a specified high frequency band, and
wherein the at least one processor is configured to increase the volume level of the second audio signal by assigning a greater weight to the specified low frequency band than the specified high frequency band.

4 . The electronic device of claim 2 , wherein the first audio signal has the first frequency characteristic in which an intensity of a signal in a specified high frequency band is greater than an intensity of a signal in a specified low frequency band, and
wherein the at least one processor is configured to increase the volume level of the second audio signal by assigning a greater weight to the specified high frequency band than the specified low frequency band.

5 . The electronic device of claim 1 , wherein the at least one sensor includes a first sensor and a second sensor,
wherein the first sensor detects the state of the first speaker, and wherein the second sensor detects the state of the second speaker.

6 . The electronic device of claim 1 , wherein the at least one processor is configured to acquire sensing data related to temperatures of the first speaker and the second speaker using the at least one sensor as a part of an operation of identifying the states of the first speaker and the second speaker.

7 . The electronic device of claim 6 , wherein the at least one processor is configured to determine that a state of the first speaker is the abnormal state when a temperature of the first speaker exceeds a specified value based at least on the sensing data.

8 . The electronic device of claim 1 , wherein the at least one processor is configured to acquire sensing data related to impedances of the first speaker and the second speaker using the at least one sensor as a part of an operation of identifying the states of the first speaker and the second speaker.

9 . The electronic device of claim 8 , wherein the at least one processor is configured to determine that a state of the first speaker is the abnormal state when an impedance of the first speaker is greater than or equal to a specified value based at least on the sensing data.

10 . The electronic device of claim 1 , wherein the at least one processor is configured to decrease a volume level of an audio signal output by the first speaker and increase a volume level of an audio signal output by the second speaker when it is determined that the state of the second speaker is a normal state although a volume level of an audio signal output by the second speaker is increased.

11 . The electronic device of claim 1 , wherein the at least one processor is configured to maintain the volume level of the audio signal output by the first speaker and increase the volume level of the audio signal output by the second speaker when it is determined that the state of the second speaker is to be an abnormal state in a case in which the volume level of the audio signal output by the second speaker is increased.

12 . The electronic device of claim 1 , wherein the at least one processor is configured to perform an operation of identifying the states of the first speaker and the second speaker at a specified time interval.

13 . The electronic device of claim 12 , wherein the at least one processor is configured to:
determine at least one speaker of which a volume level exceeds a specified level among the first speaker and the second speaker, and detect a state of the determined at least one speaker at a time interval shorter than the specified time interval.

14 . The electronic device of claim 12 , wherein the at least one processor is configured to detect the state of the at least one of the first speaker and the second speaker at a time interval longer than the specified time interval when volume levels of the first speaker and the second speaker are lower than a specified level.

15 . The electronic device of claim 1 , wherein the at least one processor is configured to decrease the volume level of the audio signal output by the first speaker at the same ratio in all frequency bands and increase the volume level of the audio signal output by the second speaker at the same ratio in all frequency bands.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Park Youngsoo
• An Jungyeol
• Moon Hyungmo
• Kim Gangyoul
• Choi Hyunmin
• Keum Jongmo
• Kim Yangsu
• Lee Namwoog
• Jang Keunwon
• Heo Seungyoon

Classifications

• H04R2430/01

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

• H04R3/00 Primary

  Circuits for transducers (arrangements for producing a reverberation or echo sound G10K15/08; amplifiers H03F) · 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

• H04R3/04

  for correcting frequency response · CPC title

• H04R3/007

  Protection circuits for transducers · CPC title