19-Apr-04
Farina, Tronchin, RADS
International Conference on “Room acoustics: Design and science”
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)