Timing synchronization module and method for synchronously...

Details Timing synchronization module and method for synchronously... Timing synchronization module and method for synchronously...

2006-03-03

2009-12-01

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

C375S359000, C375S360000, C375S371000, C375S375000, C327S141000, C327S156000

Reexamination Certificate

active

07627071

ABSTRACT:
The timing synchronization module includes a phase locked loop (PLL) and a synchronization processing unit. The PLL receives an output-end clock signal. When the PLL receives the output-end clock signal for the first time, the PLL generates a reception-end clock signal according to the output-end clock signal. The synchronization processing unit receives a procedure clock signal and the reception-end clock signal. The output-end clock signal has M clocks after the reception-end clock signal is generated, while the reception-end clock signal has N clocks as generated. When the difference value of M and N is larger than a preset value, the synchronization processing unit removes the media signal corresponding to the procedure clock signal and generates the reception-end clock signal again. When the difference value is smaller than the preset value, the synchronization processing unit controls media signal playing according to the reception-end clock signal and the procedure clock signal.

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