Data signals reproducing apparatus for helical scan recording

Details Data signals reproducing apparatus for helical scan recording Data signals reproducing apparatus for helical scan recording

G - Physics

11

B

352/18

G11B 20/10 (2006.01) G11B 20/18 (2006.01) H04N 5/782 (2006.01) H04N 5/7826 (2006.01) H04N 5/92 (2006.01) H04N 5/923 (2006.01) H04N 5/926 (2006.01) H04N 5/93 (2006.01) H04N 5/945 (2006.01) H04N 9/802 (2006.01)

Patent

CA 1321641

ABSTRACT An apparatus for reproducing data signals, for example a digital video tape recorder, reproduces data signals recorded on helical scan recording tracks. Each of the tracks has plural sectors provided in plural segments, and one field is divided into plural segments. The apparatus detects changes of sector and segment identical data, and generates an error signal at the time of segmentchanges without a sector change. An error correction circuit or a concealing circuit recieves the error signal, and is activated to perform error correction or error concealment. High quality reproduction is achieved, even in the shuttle reproduction mode.

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