US 11,871,069 B2
Multimedia service providing device and multimedia service providing method
Hankyul You, Seoul (KR); and Woonsuk Chang, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/597,313
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jul. 26, 2019, PCT No. PCT/KR2019/009355
§ 371(c)(1), (2) Date Jan. 3, 2022,
PCT Pub. No. WO2021/020600, PCT Pub. Date Feb. 4, 2021.
Prior Publication US 2022/0321941 A1, Oct. 6, 2022
Int. Cl. H04N 21/43 (2011.01); H04N 5/60 (2006.01); H04N 21/4363 (2011.01)
CPC H04N 21/4307 (2013.01) [H04N 5/602 (2013.01); H04N 21/43637 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method of providing a multimedia service, the method comprising:
transmitting video data to a display device;
transmitting a request message for requesting connection state information to one or more remote wireless speakers;
receiving the connection state information from the one or more remote wireless speakers;
calculating each delay time during which transmission delay is predicted, based on the received connection state information;
configuring a threshold time based on a maximum allowable synchronization time difference between the video data and the audio data;
skipping transmission of audio data to a remote wireless speaker, among the one or more remote wireless speakers, having a delay time longer than the threshold time; and
transmitting the audio data to a remote wireless speaker, among the one or more remote wireless speakers, having a delay time shorter than the threshold time.