Title:
ELECTRONIC DEVICE AND CONTROL METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/103382
Kind Code:
A1
Abstract:
The present invention relates to an electronic device and a control method thereof, and the electronic device according to the present invention comprises: a speaker for outputting audio; a microphone for receiving an audio signal which includes a voice signal uttered by a user and includes an echo signal of the audio; a first processing unit for performing first removal processing on the echo signal in a time band with respect to the audio signal, and then outputting a first output signal; and a second processing unit for performing second removal processing on the echo signal in a frequency band with respect to the first output signal. Accordingly, the performance of echo signal removal processing is enhanced.
Inventors:
YURY USHAKOV (KR)
Application Number:
PCT/KR2018/013776
Publication Date:
May 31, 2019
Filing Date:
November 13, 2018
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04R3/02
Foreign References:
| US9020144B1 | 2015-04-28 | |||
| KR100935769B1 | 2010-01-06 | |||
| KR101185650B1 | 2012-09-26 | |||
| KR101606546B1 | 2016-03-25 | |||
| JP2008259032A | 2008-10-23 |
Attorney, Agent or Firm:
HUH, Sung-Won et al. (KR)
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