Goertek Technology Co., Ltd.

Lin Cheng

Huijun Li

Provided are a program upgrade method, a TWS headphone, a method and system for upgrading a program of a TWS headphone. The program upgrade method, applied to a TWS headphone including a first wireless headphone and a second wireless headphone arranged in pairs, includes, establishing a wireless communication connection between the first wireless headphone and terminal, and receiving, by the first wireless headphone, a first upgrade file sent by the terminal for upgrade; and establishing a wireless communication connection between the second wireless headphone and the terminal, and receiving, by the second wireless headphone, a second upgrade file sent by the terminal for upgrade after the first wireless headphone completes upgrade.

Method and system for upgrading program of TWS headset, and TWS headset

A playback synchronization method and device and a USB sound card are disclosed. In the technical solutions according to the present disclosure, the number of writes for writing data into the audio data buffer by the write pointer of the master device and the number of reads for reading data from the audio data buffer by the read pointer of the slave device are acquired, and it is determined whether the data transmission of the master and slave devices is synchronized or not by judging the magnitude relationship between the number of writes and the number of reads. If it is not synchronized, the position of the read pointer is adjusted so that the write pointer and the read pointer are synchronized again, i.e., the write data and the read data are synchronized again. Thus, the problem that the clocks of the master and slave devices are relatively independent and the data transmission is not synchronized due to the clock deviation is solved.

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Qingdao, China

Lin Cheng