Patent ID: 8595278

Claim:
A method for digital signal processing, the method comprising: performing using one or more circuits, functions comprising: computing a value for a time domain coefficient in a current filter partition based on a corresponding plurality of frequency domain coefficients, where said time domain coefficient is a first time domain coefficient that overlaps with a time domain coefficient of a subsequent filter partition, where computing said value comprises adding a value for a first frequency domain coefficient of said corresponding plurality of frequency domain coefficients, a value for a last frequency domain coefficient of said corresponding plurality of frequency domain coefficients, and a value for each even-numbered frequency domain coefficient of said corresponding plurality of frequency domain coefficients between said first and said last frequency domain coefficients; adjusting said corresponding plurality of frequency domain coefficients based on said computed value; adjusting a subsequent plurality of frequency domain coefficients in said subsequent filter partition based on said computed value; processing an input signal in said current filter partition based on said adjusted corresponding plurality of frequency domain coefficients; and processing a time-adjusted version of said input signal in said subsequent filter partition based on said adjusted subsequent plurality of frequency domain coefficients.