Title:
UNDERWATER DETECTION METHOD, DEVICE, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/134409
Kind Code:
A1
Abstract:
An underwater detection method, a device, and a storage medium. The method is applied to an electronic device which is provided with a microphone (61). The method comprises: extracting, according to an ambient sound signal of the environment where the electronic device is located collected by the microphone (61), a frequency-domain feature of the ambient sound signal (101); and determining whether the environment where the electronic device is located is underwater environment according to the frequency-domain feature (102). According to the method, whether the environment is the underwater environment by means of the frequency-domain feature of the ambient sound signal collected by the microphone (61), and the detection result is relatively accurate.
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Inventors:
BIAN YUNFENG (CN)
WU SHENG (CN)
ZHAO WENQUAN (CN)
MO PINXI (CN)
XUE ZHENG (CN)
WU SHENG (CN)
ZHAO WENQUAN (CN)
MO PINXI (CN)
XUE ZHENG (CN)
Application Number:
PCT/CN2019/130348
Publication Date:
July 08, 2021
Filing Date:
December 31, 2019
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
H04M1/725
Foreign References:
| CN106357935A | 2017-01-25 | |||
| CN101403636A | 2009-04-08 | |||
| CN107181854A | 2017-09-19 | |||
| CN109212612A | 2019-01-15 | |||
| CN106873716A | 2017-06-20 | |||
| CN105899965A | 2016-08-24 | |||
| CN109655921A | 2019-04-19 | |||
| US20120194345A1 | 2012-08-02 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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