Implementation of a double StereoDipole system on a DSP board – Eperimental validation and subjective evaluation inside a car cockpit

20 October 2003

WASPAA 2003 - New Paltz, NY

Overlap & Save algorithm (4):

Industrial Engineering Dept.

University of Parma – Italy

FFT

N-point

FFT

N-point

IFFT

Xm(k)H(k)

Select last

N – Q + 1

samples

Append to y(n)

xm(n)

h(n)

Overlap & Save convolution process:

Problems

• Latency between Input and Output data is too high.

• Management problem with internal memory of the DSP.

Solution

• Uniformly-partitioned Overlap & Save algorithm.