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Digital filter implementation suitable for execution, together with application code, on a same processor

  • US 6,618,739 B1
  • Filed: 02/22/2001
  • Issued: 09/09/2003
  • Est. Priority Date: 11/14/1996
  • Status: Expired due to Fees
First Claim
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1. An apparatus comprising:

  • a general purpose processor having general purpose registers;

    addressable memory coupled to the general purpose processor for storing input, coefficient and output vector data; and

    software instructions executable on the general purpose processor and including a discrete-time filter implementation to incrementally load respective portions of the input and coefficient vector data into first and second sets of the general purpose registers and operate thereupon to accumulate the output vector data into a third set of the general purpose registers without use of a digital signal processor.

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