The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 04, 2001
Filed:
Sep. 29, 1999
Applicant:
Inventor:
Jeffrey Eames Taylor, Bellevue, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/710 ;
U.S. Cl.
CPC ...
G06F 1/710 ;
Abstract
A method for optimizing the design of a digital filter for use in a microprocessor that utilizes sequential multiply and add instructions as distinct from single multiply and accumulate cycles. The method involves alternating the steps of multiplying and adding samples of the input signal and the coefficients that are assigned to the corresponding samples of the input signal. This add and multiply sequence is more efficient on most general-purpose computers than the more common load, multiply, add sequence used for this type of filter operation.