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Method and apparatus for multimedia editing and data recovery

  • US 5,574,905 A
  • Filed: 05/26/1994
  • Issued: 11/12/1996
  • Est. Priority Date: 05/26/1994
  • Status: Expired due to Term
First Claim
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1. Apparatus for editing a multimedia file comprised of a sequential plurality of data units generated by sampling an analog signal and encoding each sample as a data unit, and each of the plurality of data units being located in a physical file having an address indicating the start of the physical file and a physical file length, the apparatus operating under control of an editing application and comprising:

  • apparatus responsive to the physical file address and length for constructing a node representing a sequential plurality of data units comprising a segment of the multimedia file, the node comprising the physical file address, and a physical position of the represented file segment in the physical file;

    apparatus responsive to editing commands generated by the editing application for changing information contained in the node in order to edit the represented file segment; and

    apparatus responsive to the physical file address and length of each of the plurality of file segments for constructing a linked list comprising a plurality of said nodes.

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