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Audio player

  • US 7,103,431 B1
  • Filed: 08/16/2000
  • Issued: 09/05/2006
  • Est. Priority Date: 08/25/1999
  • Status: Expired due to Fees
First Claim
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1. A sound reproducing apparatus, comprising:

  • a recording means for recording into a recording medium a data file in which a sound signal encoded in a first format and a first decoding program according to said first format are stored;

    a storing means for storing a second decoding program according to a second format;

    a determining means for determining whether or not said first format of said sound signal is coincident with said second format of said second decoding program;

    a validating means for validating one of said first decoding program and said second decoding program on the basis of a determination result of said determining means;

    a decoding means for decoding said sound signal by the decoding program validated by said validating means; and

    an outputting means for outputting the decoding sound signal decoded by said decoding means.

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