Room Impulse Response Measurement

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30.09.2007 Angelo Farina

UNIPR | All Rights Reserved | Confidential

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