Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/004067
Kind Code:
A1
Abstract:
A display device (3) for obtaining, by means of an echo processing circuit (35), a signal to be played output to a loudspeaker (33) by a power amplifier (32), and then performing, using said signal as an echo reference signal, echo cancellation processing on a voice signal to be processed received by a voice acquisition circuit (34), such that a voice processing circuit (31) can implement a good echo cancellation effect when performing echo cancellation processing on the voice signal to be processed, thereby improving the accuracy of subsequent recognition on the voice signal.
Inventors:
LI BENYOU (CN)
YU YUNTAO (CN)
YU YUNTAO (CN)
Application Number:
PCT/CN2020/075958
Publication Date:
January 14, 2021
Filing Date:
February 20, 2020
Export Citation:
Assignee:
HISENSE VISUAL TECH CO LTD (CN)
International Classes:
G10L15/22; G10L21/02
Foreign References:
| CN110223707A | 2019-09-10 | |||
| CN110349582A | 2019-10-18 | |||
| CN209017204U | 2019-06-21 | |||
| CN209017204U | 2019-06-21 | |||
| CN106782591A | 2017-05-31 | |||
| CN109545237A | 2019-03-29 | |||
| CN109360562A | 2019-02-19 | |||
| CN105825862A | 2016-08-03 | |||
| US20170092272A1 | 2017-03-30 | |||
| CN106782589A | 2017-05-31 | |||
| US20190172463A1 | 2019-06-06 |
Attorney, Agent or Firm:
QINGDAO LAWSCI INTELLECTUAL PROPERTY CO., LTD. (CN)
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