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Method and device for recording and reading on a large-capacity medium

  • US 6,091,883 A
  • Filed: 07/02/1996
  • Issued: 07/18/2000
  • Est. Priority Date: 07/13/1995
  • Status: Expired due to Term
First Claim
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1. Method of recording and reading audio and/or video information broadcast as individual programs via one or several channels by air broadcasting, by satellite or by cable TV, comprising the following steps:

  • selecting at least one channel to simultaneously provide one or more received signals;

    digitally encoding the received signals;

    compressing and/or multiplexing the encoded digital signals;

    recording the compressed and/or multiplexed digital signals on a large-capacity recording medium;

    creating an index on the recording medium for each individual program recorded;

    creating at least one menu of recorded programs;

    selecting one or several programs from a menu of recorded programs displayed on a screen;

    reading said signals indicative of said selected program(s);

    decompressing and/or demultiplexing the signals read;

    decoding the signals decompressed and/or demultiplexed;

    reproducing the corresponding audio and/or video information; and

    wherein said recording on and reading from said large capacity recording medium are independent of each other, in order to enable reading of a recorded program while simultaneously recording a plurality of other programs, said other programs not always being recorded in continuous form on said large capacity recording medium, without erasing said recorded program being read.

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