| 摘要 |
a controller (1) for providing control signal and variable speed play control signal to switch speed processing of an audio/video data played from an optical disc; the first and the second switches (2, 3) for switching the audio/video data; low-band pass filters(4, 5) for low-band filtering the audio/video data applied by the switches (2, 3); data converters (6, 7) for digitizing the audio/video data filtered by switching with the low-band filters (4, 5); audio/video compressors(8, 9); oscillators (10, 11); memories (12, 13); video/audio restoring means (14, 15) and data converters (16, 17).
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