Title:
ELECTRONIC DEVICE AND VOICE INPUT/OUTPUT CONTROL METHOD OF ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/146033
Kind Code:
A1
Abstract:
An electronic device according to the present disclosure is configured to: when an external electronic device has a speaker, select, from the electronic device and the external electronic device, a reception device to output a reception voice, on the basis of sensing information received from a sensor module at a time of connecting a call; when the external electronic device has a microphone, select, from the electronic device and the external electronic device, a transmission device to receive a transmission voice, on the basis of the result of comparing, at a time of connecting a call, a voice signal received by using a sound input module and a voice signal received from the microphone of the external electronic device; when the transmission device and the reception device are different devices, activate at least one microphone and deactivate at least one speaker, the at least one microphone and the at least one speaker being provided in the transmission device, and deactivate at least one microphone and activate at least one speaker, the at least one microphone and the at least one speaker being provided in the reception device; acquire an echo reference signal related to the reception voice received from the reception device and store the acquired echo reference signal in a buffer; check an echo path delay (EPD) value for an echo signal included in the transmission voice, on the basis of the comparison of the stored echo reference signal with the transmission voice received from the transmission device; and remove the echo signal included in the transmission voice by using the echo reference signal and the checked EPD value.
Inventors:
HEO SEUNGYOON (KR)
AN JUNGYEOL (KR)
KIM TAEWOO (KR)
WOO SUNGHWA (KR)
KIM GANGYOUL (KR)
AN JUNGYEOL (KR)
KIM TAEWOO (KR)
WOO SUNGHWA (KR)
KIM GANGYOUL (KR)
Application Number:
PCT/KR2021/020180
Publication Date:
July 07, 2022
Filing Date:
December 29, 2021
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
G10L21/02; G06F3/16; G10L15/22; G10L19/26; G10L25/51
Foreign References:
| KR20170076527A | 2017-07-04 | |||
| KR20190034807A | 2019-04-03 | |||
| US20200133332A1 | 2020-04-30 | |||
| JP2007243722A | 2007-09-20 | |||
| US20170372722A1 | 2017-12-28 |
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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