US 11,948,569 B2
Electronic apparatus and controlling method thereof
Chanhee Choi, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Oct. 26, 2021, as Appl. No. 17/510,960.
Application 17/510,960 is a continuation of application No. PCT/KR2021/014163, filed on Oct. 14, 2021.
Claims priority of application No. 10-2021-0087688 (KR), filed on Jul. 5, 2021.
Prior Publication US 2023/0005477 A1, Jan. 5, 2023
Int. Cl. G10L 15/22 (2006.01); G10L 15/08 (2006.01); G10L 25/84 (2013.01); H04R 1/40 (2006.01); H04R 3/00 (2006.01)
CPC G10L 15/22 (2013.01) [G10L 15/08 (2013.01); G10L 25/84 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01); G10L 2015/088 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An electronic apparatus comprising:
a memory for storing a first threshold value and a second threshold value corresponding to a receiving direction of a wake-up word, the first threshold value and the second threshold value corresponding to each of a first receiving direction and a second receiving direction;
a sound receiver comprising sound receiving circuitry; and
a processor configured to:
identify a receiving direction of a sound based on a sound received through the sound receiver,
based on a similarity between sound data obtained in response to the received sound and the wake-up word being greater than or equal to the first threshold value corresponding to the identified receiving direction, perform voice recognition for a subsequent sound received through the sound receiver, and
based on the similarity being less than the first threshold value and greater than or equal to the second threshold value, change the first threshold value to increase by a specified ratio,
based on the identified receiving direction being the first receiving direction, change the first threshold value corresponding to the first receiving direction and maintain the first threshold value corresponding to the second receiving direction,
wherein the first threshold value is a similarity to identify whether the sound is the wake-up word, and
wherein the second threshold value is a similarity to identify whether the sound is a particular noise source.