| 摘要 |
A method and an apparatus for synchronized play back of audio-video signals, even when plural digitally compressed audio data are separated and played back, avoid time lag or lead of reference time after the audio data are changed over and can improve the performance of play back of audio data synchronizing with video data, is provided. An apparatus for synchronized play back of audio-video signals decodes and plays back and displays plural digitally compressed audio data and digitally compressed video data. When the audio data to be decoded are changed over, a reference time generator calculates reference time base on the amount of played back data of the changed over decoded audio data. With this reference time, a synchronizing controller controls a video decoder and makes the decoded video data and the changed over audio data synchronize and plays back and displays the audio data and the video data.
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