Arrangement for recording a video signal and a corresponding aud

Details Arrangement for recording a video signal and a corresponding aud Arrangement for recording a video signal and a corresponding aud

1994-01-24

1995-03-21

Hajec, Donald

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 51, G11B 509

Patent

active

054001870

ABSTRACT:
The format of the signal in a tracking tone recording part (TP4) of subsequent slant tracks (1), and an arrangement for generating the signal for this tracking tone recording part is described. Tracking tone signal generator (FIG. 4) is provided for generating a signal having a concatenation of a number of packets (P.sub.i), each packet including a sync block (SB) having a first or a second disparity, and an identification block (ID) having a third or a fourth disparity. The disparities of the sync blocks and identification blocks in subsequent packets in a tracking tone recording part being chosen such that the running digital sum varies as a relatively low frequency waveform compared to the bit frequency of the signal in the tracking tone signal recording part. The first and the second disparities have an equal value but opposite sign. The third and the fourth disparities have an equal value but opposite sign. The identification blocks in subsequent packets include a first and a second count value (CV-0,CV-1), the second count value being the binary inverted value of the first count value, and the first count value relating to the sequence count number of the packets in the tracking tone recording part.

REFERENCES:
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patent: 4598326 (1986-07-01), Leiner
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patent: 5136436 (1992-08-01), Kahlman
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patent: 5191491 (1993-03-01), Zweighaft
patent: 5245483 (1993-09-01), Van Gestel
patent: 5253243 (1993-10-01), Suzuki
patent: 5260840 (1993-11-01), Hatanaka et al.
patent: 5276559 (1994-01-01), Sarkisian et al.

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