Encoded data stream recording and reproducing apparatus with tap

Details Encoded data stream recording and reproducing apparatus with tap Encoded data stream recording and reproducing apparatus with tap

1995-08-10

1998-11-24

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386124, 386104, 386108, H04N 5765

Patent

active

058419411

ABSTRACT:
A recording and reproducing apparatus for an input encoded data stream having two different bit rates N.sub.1 and N.sub.2, where N.sub.1 <N.sub.2. The recording and reproducing apparatus includes: an input interface for outputting the input encoded data stream to two channels; recording processors, connected to the outputs of the input interface, for converting the input encoded data stream into a signal suitable for writing onto a magnetic tape by a recording head; a tape speed controller for varying the speed of the magnetic tape in accordance with the bit rates of the input encoded data stream; a reproducing head for reading the signal from the magnetic tape; reproducing processors for processing a reproduced signal; and an output interface. The input interface divides and outputs the input encoded data stream to both of the two channels when the bit rate of the input encoded data stream is N.sub.2, while the input interface outputs the input encoded data stream to only one of the two channels when the bit rate of the input encoded data stream is N.sub.1. The output interface integrates and outputs the input signals from the two channels when the bit rate of the reproduced encoded data stream is N.sub.2, while the output interface outputs the input signal from only one of the two channels when the bit rate of the reproduced encoded data stream is N.sub.1.

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