| 摘要 |
An assembly for use in an analog audio record/playback or playback system to achieve and maintain the same phase relationship between the recorded signals upon playback, as was present when the signals were originally recorded comprising generally, playback transducer means including a playback head, phase comparison to determine the phase relationship of the signal played back by the playback transducer means and to output a signal which is proportional to the magnitude and direction of any phase difference present, and electrically responsive driver means to adjust the playback transducer means to dynamically compensate for the phase error by rotating the playback head.
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