Time expansion method and system for slower than real-time playb

Details Time expansion method and system for slower than real-time playb Time expansion method and system for slower than real-time playb

1996-12-06

1998-09-01

Young, W. R.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

360 7308, 360 70, 386 80, H04N 578

Patent

active

058022430

ABSTRACT:
A video cassette recorder includes a tape transport and servo that records digital data at one tape speed and plays back the digital data at one twentieth of the recording speed, both with a fixed speed of rotation of a drum head. On playback, each recorded segment of data on the tape is read from ten slightly different longitudinal positions on the magnetic tape, with the highest amplitude read-back signal being selected. The drum head comprises two playback heads that each have playback widths that are approximately twice as wide as each of four recording heads in the drum head.

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patent: 4862292 (1989-08-01), Enori
patent: 5210663 (1993-05-01), Nakase
patent: 5335116 (1994-08-01), Onishi et al.
patent: 5363254 (1994-11-01), Sato
The Art of Digital Video by John Watkinson .COPYRGT.1990 pp. 369-373.

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