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:
Apr. 24, 2012
Filed:
Jun. 21, 2004
Fredrik Gustaffsson, Linköping, SE;
Per Connman, Norrköping, SE;
Oscar Öberg, Linköping, SE;
Niklas Odelholm, Linköping, SE;
Martin Enqvist, Linköping, SE;
Fredrik Gustaffsson, Linköping, SE;
Per Connman, Norrköping, SE;
Oscar Öberg, Linköping, SE;
Niklas Odelholm, Linköping, SE;
Martin Enqvist, Linköping, SE;
Softube AB, Linkoping, SE;
Abstract
The invention describes an apparatus for software or hardware emulation of electronic audio equipment, which characterizes a non-linear behavior. The invention comprises an analog to digital interface () for the input audio signal (), whose output () is communicatively coupled to a dynamic non-linearity (). The output () of this dynamic non-linearity is finally communicatively coupled to an interface () producing the output audio signal (). The dynamic non-linearity consists of a mode switching static non-linear function, where the mode parameter () is estimated in a function () based on the previous values on the input () and output () of the dynamic non-linearity.