Recording/reproducing apparatus of the helical scan type

Details Recording/reproducing apparatus of the helical scan type Recording/reproducing apparatus of the helical scan type

1996-06-20

1998-04-28

Tran, Trai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 96, 386104, H04N 576

Patent

active

057456380

ABSTRACT:
An apparatus of the helical scan type for reproducing a digital video signal from slant tracks (T) on a record carrier, the digital video signal having been recorded in first track portions (TP1) of the tracks. In an edit mode, the digital video signal is reproduced from the first track portions and a corresponding digital audio signal is recorded in second track portions (TP2) of the tracks. The apparatus includes at least one read head (RH) for reading the digital video signal recorded in the first track portions of the tracks and at least one write head (WH) for writing the second channel signal in the second track portions. The read head (RH) and the write head (WH) are positioned on a rotatable head drum at such a location relative to each other that when the read head reads the digital video signal from a first track portion of a first track (T.sub.i+24), the write head writes the second channel signal in a second track portion in a second track (T.sub.i), the second track being spaced a specified number (24) of tracks away from the first track.

REFERENCES:
patent: 5040081 (1991-08-01), McCutchen
patent: 5398138 (1995-03-01), Tomita
patent: 5481370 (1996-01-01), Kim
patent: 5579183 (1996-11-01), Van Gestel et al.
patent: 5596581 (1997-01-01), Saeijs et al.
patent: 5625461 (1997-04-01), Okamoto et al.
patent: 5627691 (1997-05-01), Hong
patent: 5636076 (1997-06-01), Minakawa et al.

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