Title:
AUDIO PLAYBACK METHOD AND AUDIO PLAYBACK DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/227992
Kind Code:
A1
Abstract:
The present application discloses an audio playback method and an audio playback device. The audio playback method comprises: obtaining a noise signal; performing noise reduction processing on the noise signal to obtain a noise-eliminated signal; and playing a low-frequency portion of the noise-eliminated signal by means of a first loudspeaker. By means of the audio playback method, noise replaying of a high-frequency portion of a non-noise-reduction frequency band of an audio signal can be avoided, and the background noise of the audio playback device is further reduced.
Inventors:
WANG ZE (CN)
Application Number:
PCT/CN2022/083707
Publication Date:
November 03, 2022
Filing Date:
March 29, 2022
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04R1/10
Foreign References:
| CN110099323A | 2019-08-06 | |||
| CN101001481A | 2007-07-18 | |||
| US4953217A | 1990-08-28 | |||
| CN111134956A | 2020-05-12 | |||
| TW200828264A | 2008-07-01 | |||
| JP2002055684A | 2002-02-20 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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