公开(公告)号：US12177595B2

公开(公告)日：2024-12-24

申请号：US18226794

申请日：2023-07-27

Applicant: MEDIATEK INC.

Inventor： Chun-Ming Chou ,  Shaoyong Duan ,  Kuo-Ho Tsai ,  Chung-Yu Lin

IPC: H04N5/06 ,  H04N5/05

Abstract: A video device, a wireless audio device and a method for performing audio and video (AV) synchronization between the video device and the wireless audio device are provided. The method includes: utilizing a controller of the video device to determine a video delay of the video device; utilizing the controller to determine an audio delay 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 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.

公开(公告)号：US20240040065A1

公开(公告)日：2024-02-01

申请号：US18226794

申请日：2023-07-27

Applicant: MEDIATEK INC.

Inventor： Chun-Ming Chou ,  Shaoyong Duan ,  Kuo-Ho Tsai ,  Chung-Yu Lin

IPC: H04N5/06 ,  H04N5/05

CPC classification number: H04N5/06 ,  H04N5/05

Abstract: A video device, a wireless audio device and a method for performing audio and video (AV) synchronization between the video device and the wireless audio device are provided. The method includes: utilizing a controller of the video device to determine a video delay of the video device; utilizing the controller to determine an audio delay 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 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.