US 12,177,595 B2
Video device, wireless audio device and method for performing audio and video synchronization between video device and wireless audio device
Chun-Ming Chou, Hsinchu (TW); Shaoyong Duan, Wuhan (CN); Kuo-Ho Tsai, Hsinchu (TW); and Chung-Yu Lin, Hsinchu (TW)
Assigned to MEDIATEK INC., Hsinchu (TW)
Filed by MEDIATEK INC., Hsin-Chu (TW)
Filed on Jul. 27, 2023, as Appl. No. 18/226,794.
Claims priority of application No. 202210899993.5 (CN), filed on Jul. 28, 2022.
Prior Publication US 2024/0040065 A1, Feb. 1, 2024
Int. Cl. H04N 5/06 (2006.01); H04N 5/05 (2006.01)
CPC H04N 5/06 (2013.01) [H04N 5/05 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for performing audio and video (AV) synchronization between a video device and a wireless audio device, comprising:
utilizing a controller of the video device to determine a video delay of a video processing path of the video device;
utilizing the controller to determine an audio delay of an audio processing path of the video device;
utilizing the controller to receive information of a communications quality of the wireless audio device from the wireless audio device, to determine a wireless communications delay between the video device and the wireless audio device according to the information of the communications quality;
utilizing the controller to generate a time map information according to the video delay, the audio delay and the wireless communications delay; and
transmitting the time map information from the video device to the wireless audio device for AV synchronization between the video device and the wireless audio device.