Multimedia audio video data synchronization computing method

The invention discloses a multimedia audio video data synchronization computing method, comprising the following steps: a, respectively producing an audio material and a video material used for an audio video synchronization test, and synthesizing the audio material and the video material to generate an audio video synchronization test file; b, establishing a test communication connection betweena first test computer and a second test computer, sending the audio video synchronization test file to the second test computer, playing the audio video synchronization test file by the first test computer, and turning on a camera in test communication software by the first test computer, so as to acquire audio video data played by the first test computer self; and c, viewing a video and listeningto a sound in the test communication software by the second test computer, converting the sound into a visual oscillogram, intercepting the visual oscillogram and the video played in the test communication software at the sam