METHOD AND APPARATUS FOR AUDIO/VIDEO SYNCHRONIZATION

METHOD AND APPARATUS FOR AUDIO/VIDEO SYNCHRONIZATION

A method for audio/video synchronization and an apparatus thereof are provided. At least one dynamic synchronization checkpoint is disposed on the playback sample number axis of a video. Whether or not the audio and the video are synchronized is checked when the playback sample number of the video i...

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Hauptverfasser: SHIH HUNGNG, SHIUE DE-HUI
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator SHIH HUNGNG
SHIUE DE-HUI
description A method for audio/video synchronization and an apparatus thereof are provided. At least one dynamic synchronization checkpoint is disposed on the playback sample number axis of a video. Whether or not the audio and the video are synchronized is checked when the playback sample number of the video is set the dynamic synchronization checkpoint. The video is paused playing if the playback speed of the video is too fast, and those delayed playback sample number of the video having not been played are skipped if the playback speed of the video is too slow. Furthermore, the location of the dynamic synchronization checkpoint and the frequency of performing synchronization detection are adjusted according to the playback time jitter between the audio and the video.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
title METHOD AND APPARATUS FOR AUDIO/VIDEO SYNCHRONIZATION
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