Title :
A numerical investigation of the invertibility of room transfer functions
Author :
Putnam, William ; Rocchesso, Davide ; Smith, Julius
Author_Institution :
Dept. of Electr. Eng., Stanford Univ., CA, USA
Abstract :
It has been stated that the inverse filtering of room transfer functions is possible using multiple inputs under certain conditions. We address these conditions from a numerical perspective. A method is developed to determine the numerical precision of multiple input inverse filtering techniques. This method is applied to two simulated rooms, and the numerical precision is estimated as a function of the number of inputs and outputs into the system
Keywords :
acoustic signal processing; architectural acoustics; architecture; filtering theory; inverse problems; transfer function matrices; transfer functions; multiple input inverse filtering; numerical investigation; numerical precision; room transfer functions invertibility; simulated rooms; transfer function matrix; Degradation; Delay; Equations; Filtering; Finite impulse response filter; Least squares approximation; Polynomials; Reverberation; Signal processing; Transfer functions;
Conference_Titel :
Applications of Signal Processing to Audio and Acoustics, 1995., IEEE ASSP Workshop on
Conference_Location :
New Paltz, NY
Print_ISBN :
0-7803-3064-1
DOI :
10.1109/ASPAA.1995.483001
