公开(公告)号：US20200336857A1

公开(公告)日：2020-10-22

申请号：US16737713

申请日：2020-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Tae Young KIM ,  Tae Jin PARK ,  Si Jin KIM ,  Eun Jung LEE ,  Soon Hyung HWANG ,  Hyo Rim KIM ,  Min Jae KIM ,  Hyo Sung KIM

IPC: H04S7/00 ,  H04R5/02 ,  H04R5/04 ,  H04S3/00

Abstract: The audio device according to the present disclosure may include a mixer that adjusts the number of channels of an inputted audio signal based on the number of speakers connected, a transmitter that transmits a test audio signal for speaker setup, to at least one speaker among the plurality of speakers, a feedback receiver that receives a signal of the outputted audio, a controller that determines an output time difference between the plurality of speakers, based on the signal of the outputted audio, and a post-processor that adds an output delay signal to the audio signal of at least one channel of a multi-channel audio signal provided to the plurality of speakers so as to synchronize the outputs of the plurality of speakers, based on the determined output time difference.