Method and apparatus for detecting a splicing point of a...

Details Method and apparatus for detecting a splicing point of a... Method and apparatus for detecting a splicing point of a...

G - Physics

11

B

352/13

G11B 27/02 (2006.01) G11B 5/008 (2006.01) G11B 27/22 (2006.01) G11B 27/32 (2006.01) H04N 5/76 (2006.01)

Patent

CA 1156755

ABSTRACT OF THE DISCLOSURE A method and apparatus are provided for detecting a splicing point in a magnetic medium on which a sequence of normally periodic control signals have been recorded. The sequence of control signals is reproduced and a periodic anticipative signal is generated which has an anticipated phase relationship with expected control signals reproduced from the magnetic medium. The phase relationship between the actually reproduced control signals and the anticipative signals is detected and a splicing point is indicated when the detected phase relationship between these two signals deviates by more than a predetermined amount from the anticipated phase relation- ship.

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