Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/256184
Kind Code:
A1
Abstract:
The present invention relates to a display device for more accurately recognizing a user's voice command recognized from a remote distance regardless of whether an external speaker is connected and an installation condition of the external speaker, and the display device may comprise: an external device interface connected to an external speaker; a voice acquisition unit for receiving an input microphone signal; and a control unit for acquiring a voice signal by removing, from the microphone signal, a sound signal output from the external speaker, on the basis of a delay until the voice acquisition unit receives sound output from the external speaker, wherein the control unit acquires the delay by using sound other than an audible frequency.
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Inventors:
CHOI WOOJIN (KR)
Application Number:
PCT/KR2019/007420
Publication Date:
December 24, 2020
Filing Date:
June 20, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
G10L21/02; G10L15/22; G10L19/26; H03G3/20
Foreign References:
| KR20160147556A | 2016-12-23 | |||
| JP2010062774A | 2010-03-18 | |||
| KR20170009650A | 2017-01-25 | |||
| KR20130087678A | 2013-08-07 | |||
| US20190043498A1 | 2019-02-07 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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