Patent ID: 7158187
Filing Date: 2007-01-02
Classification: G11B,H04N

Abstract:
1. An audio video reproduction apparatus comprising: a classifying unit for classifying inputted MPEG (Moving Picture Experts Group) data into audio data and video data, wherein said audio data has an audio-presentation time stamp and said video data has a video-presentation time stamp; an audio signal generator for decoding said classified audio data to generate an audio signal and to output the audio-presentation time stamp contained in the audio data; an audio speed converter for performing an audio speed conversion on said generated audio signal, said audio speed conversion corresponding to an executing reproduction speed, wherein said audio-presentation time stamp is maintained; an audio signal buffer unit for storing said speed converted audio signal and for outputting said stored speed converted audio signal according to said executing reproduction speed; an audio-presentation time stamp buffer unit for storing said audio-presentation time stamp and for outputting said audio-presentation time stamp in synchronization with said speed converted audio signal outputted according to said executing reproduction speed; a video signal generator for decoding said classified video data to generate a video signal; a video signal buffer unit for storing said generated video signal and for outputting said stored video signal; and a comparing unit for comparing said audio-presentation time stamp outputted from said audio-presentation time stamp buffer unit corresponding to the audio signal outputted from said audio signal buffer unit with said video-presentation time stamp, wherein said video signal buffer unit outputs said video signal according to a result of said comparison and said executing reproduction speed.