Spliceless editing of a read/write optical medium

  • US 6,501,721 B2
  • Filed: 01/14/1999
  • Issued: 12/31/2002
  • Est. Priority Date: 01/14/1999
  • Status: Expired due to Term
First Claim
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1. A method of writing a first block including new date to a read/write optical medium, a second block including old data having already been written to the medium, the second block including a sync codeword, the sync codeword having a differing transition bit, the method comprising:

  • locating an edit bit in the second block by locating the differing transition bit; and

    writing the first block to the disc, one of beginning and ending of the writing occurring at the edit bit;

    whereby at least a portion of the second block is overwritten.

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