Patent ID: 11937200
Assignee: MERRY ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 2:
3. The system of claim 1, wherein the first wireless earphone comprises a master earphone in the true wireless earphone system, and the first wireless earphone is further configured to, during the i−1th period:
send a first data packet to the second wireless earphone, and record a first transmission completion time of the first data packet;
send a second data packet to the second wireless earphone, and record a second transmission completion time of the second data packet;
obtain a transmission time difference between the first transmission completion time and the second transmission completion time, and accumulate the transmission time difference to a first accumulated time; and
take the first accumulated time as the first packet transception time difference in the first packet.