| 摘要 |
<p>The present invention relates to a search method and circuit for searching specific portion of a tape, and more particularly to a search method and circuit by utilizing audio signal, wherein specific audio signal having frequency above the audio frequency is recorded on the audio track within the tape of video processing system and sound instrument and the desired position can be quickly searched by the detection of said specific audio signal during selection of search mode, thus resulting in simple circuit construction and prevention of wrong operation possibly caused by recordless portion between tunes.</p> |
