Title:
OPEN EARPHONE
Document Type and Number:
WIPO Patent Application WO/2022/226696
Kind Code:
A1
Abstract:
Disclosed in the present application is an open earphone. The open earphone comprises: a fixing structure, which is configured to fix the earphone at a position in the vicinity of the ear of a user at which an ear canal of the user is not blocked; and a shell structure, which is configured to bear: a first microphone array configured to pick up ambient noise; at least one speaker array; and a signal processor, which is configured to: estimate the noise at a first spatial position on the basis of the picked-up ambient noise, wherein the first spatial position is closer to the ear canal of the user than any microphone in the first microphone array; and generate a noise reduction signal on the basis of the noise at the first spatial position, such that the at least one speaker array outputs a noise reduction acoustic wave according to the noise reduction signal, wherein the noise reduction acoustic wave is used for eliminating ambient noise, which is transferred to the ear canal of the user.
Inventors:
XIAO LE (CN)
ZHENG JINBO (CN)
ZHANG CHENGQIAN (CN)
LIAO FENGYUN (CN)
QI XIN (CN)
ZHENG JINBO (CN)
ZHANG CHENGQIAN (CN)
LIAO FENGYUN (CN)
QI XIN (CN)
Application Number:
PCT/CN2021/089670
Publication Date:
November 03, 2022
Filing Date:
April 25, 2021
Export Citation:
Assignee:
SHENZHEN SHOKZ CO LTD (CN)
International Classes:
H04R1/10; G10L21/0208
Foreign References:
| CN111935589A | 2020-11-13 | |||
| CN107346664A | 2017-11-14 | |||
| CN107452375A | 2017-12-08 | |||
| CN102348151A | 2012-02-08 | |||
| US20200302946A1 | 2020-09-24 |
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
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