US 12,149,912 B2
Display device and operating method thereof
Jongha Park, Seoul (KR); Dongyun Lee, Seoul (KR); and Seokhee Jeong, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/631,954
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Aug. 9, 2019, PCT No. PCT/KR2019/010088
§ 371(c)(1), (2) Date Feb. 1, 2022,
PCT Pub. No. WO2021/029447, PCT Pub. Date Feb. 18, 2021.
Prior Publication US 2022/0295206 A1, Sep. 15, 2022
Int. Cl. H04S 3/00 (2006.01)
CPC H04S 3/006 (2013.01) 16 Claims
OG exemplary drawing
 
1. A display device comprising:
a display;
an audio output interface configured to output sound;
a wireless communication interface connected to a plurality of external speakers; and
a controller configured to:
establish a role of each of the plurality of external speakers based on distance information between the display device and the external speaker and direction information of the external speaker including a direction in which the external speaker is located with respect to the display device;
transmit an audio signal to each of the plurality of external speakers according to the established role; and
obtain a Bluetooth signal strength of each of the plurality of external speakers, and obtain distance information between the display device and the external speaker based on the Bluetooth signal strength.