Method of recording and reproducing digital signals in different

Details Method of recording and reproducing digital signals in different Method of recording and reproducing digital signals in different

1996-03-05

1999-08-03

Psitos, Aristotelis M.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

360 48, 386 81, 386 92, H04N 591, G11B 509

Patent

active

059335688

ABSTRACT:
A method for recording and reproducing digital signals in and from a recording medium is provided. The digital signals are to be recorded in any given k-th mode of N-kind digital signal transmission modes of mutually different packet sizes. Digital signals of p.sub.k packets with additional data are recorded on tracks of the recording medium in unit of d.sub.k data blocks. Data blocks of a multiple of the least common multiple R of the data block recording units of the respective digital signals of the N-kind digital signal transmission modes are recorded in each track. The data blocks recorded in the recording medium are reproduced. Here, N is a two or more natural number, k is 1 to N, and p.sub.k and d.sub.k are a natural number. There is a case where the digital signals are to be recorded in first and second digital signal transmission modes of two different packet sizes. In this case, in the first digital signal transmission mode, the digital signals of one packet in unit of two data blocks with the additional data are recorded. Further, in the second digital signal transmission mode, the digital signals of two packets in unit of three data blocks with the additional data are recorded. And, the data blocks of a multiple of six are recorded in each track on the recording medium.

REFERENCES:
patent: 5335328 (1994-08-01), Dunn et al.
patent: 5546244 (1996-08-01), Park et al.
patent: 5579183 (1996-11-01), Van Gestel et al.

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