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Multisampling with reduced bit samples

  • US 8,406,540 B2
  • Filed: 05/16/2012
  • Issued: 03/26/2013
  • Est. Priority Date: 05/12/2003
  • Status: Active Grant
First Claim
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1. A method for computing the sum of a plurality of sample values, comprising:

  • calculating a sum of only a same number of least significant bits of each sample value;

    calculating a magnitude from a subset of bits of said plurality of sample values;

    shifting and zero-filling said magnitude;

    combining said sum and said magnitude to produce a least significant bits portion of a result;

    shifting and zero-filling a most significant bits portion of a first one of said plurality of samples to produce a most significant bits portion of the result; and

    forming said sum of a plurality of sample values using said least significant bits portion of the result with said most significant bits portion of the result.

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