AV system for adjusting audio/video rip synchronization

The present invention has an AV system are disclosed for automated correction of audio / video synchronization error are processed in the AV source unit and the AV display devices. The present invention stores the AV source device, a video delay amount information read audio / video signals from a recording medium in advance, and the display means, the amount of the video delay information to each of said display means for displaying the video signal from the AV source unit request to include the AV receiver means for determining the audio delay amount by subtracting the pre-stored audio delay amount within itself, and delay processing an audio signal generated from the AV source unit according to the audio delay amount.