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