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Digital filtering method and device and sound image localizing device

  • US 20030023649A1
  • Filed: 09/25/2002
  • Published: 01/30/2003
  • Est. Priority Date: 10/31/1997
  • Status: Active Grant
First Claim
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1. A digital filtering method comprising:

  • a first step of collectively transferring, via a bus of a computer, a plurality of samples of digital data to be filtered;

    a second step of executing filtering processing, based on a predetermined filter function, on the plurality of samples of digital data transferred by said first step, at a processing rate higher than a predetermined sampling rate; and

    a third step of buffering the digital data having been subjected to the filtering processing by said second step and then outputting, at the predetermined sampling rate, the digital data buffered thereby.

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