3D Impulse Response (Gerzon, 1975)
Portable PC with 4-channels sound board
Original Room
Sound Source
SoundField Microphone
B-format 4-channels signal (WXYZ)
Measurement of B-format Impulse Responses
MLS or sweep excitation signal
Convolution of dry signals with the B-format Impulse Responses
Sound Source
Mono Mic.
B-format Imp. Resp.
of the original room
B-format 4-channels signal (WXYZ)
Convolver
Ambisonics decoder
Speaker array in the reproduction room
