116th AES
Convention Berlin, 8-11 May 2004
Deconvolution
of Log Sine Sweep
The
“time reversal mirror” technique is emplyed: the system’s impulse response is obtained by
convolving the measured
signal y(t) with the time-reversal of the test signal x(-t). As the log sine sweep does not
have a “white”
spectrum, proper equalization is required
Test Signal x(t)
Inverse Filter z(t)