Labial synchronization testing method and device
A test method and technology of test device, which are applied in TV, electrical components, image communication and other directions, can solve the problems of large influence of subjective factors, inability to realize lip synchronization test, unfavorable product improvement, etc., to achieve accurate test results and be conducive to synchronous debugging Effect
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[0033] The core idea of the present invention is that the existing lip sound testing method is too much affected by human factors, the test results are very different and there is no quantization standard, which is very unfavorable to the system's lip sound synchronization debugging. To solve this problem, the present invention inserts a displayable clock into the image of the lip tone test source, and sets the clock cycle period to be equal to the duration of the cycle signal in the standard signal source, and starts to capture the picture when the sound prompt of the end of the test is received. Command to capture the current test image. Since the captured image includes clock information, the transmission delay between the image and the sound can be determined by comparing the clock information in the current image with the clock cycle period. The lip sound test result of the present invention is quite accurate, which will be very helpful for the system to adjust the lip soun...
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