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L. Saccenti, E. Armelloni, A. Farina, A. Bevilacqua, and L. Lavagna, "In-Situ Measurements of Normal Impedance and Sound Absorption Coefficient of Hard Materials by using a Laser Doppler Vibrometer," Express Paper 31, (2022 October.). doi: L. Saccenti, E. Armelloni, A. Farina, A. Bevilacqua, and L. Lavagna, "In-Situ Measurements of Normal Impedance and Sound Absorption Coefficient of Hard Materials by using a Laser Doppler Vibrometer," Express Paper 31, (2022 October.). doi:
Abstract: Standard techniques to measure the sound absorption coefficient or the acoustic impedance of materials are the Kundt’s tube and the reverberant room, albeit they are not practicable in-situ. In addition, these measurement methodologies involve extracting small or large samples of the material under test, which is not permitted for materials of historical importance. In this paper, the possibility of determining the normal acoustic impedance and the normal sound absorption coefficient based on direct in-situ measurements using a Laser Doppler Vibrometer (LDV) has been analyzed. Specifically, measurements have been conducted avoiding any contact on historical sandstones, bricks, and wood planks of the Greek-Roman Theater of Tyndaris located in Sicily (Italy).

@article{saccenti2022in-situ,
author={saccenti, leonardo and armelloni, enrico and farina, adriano and bevilacqua, antonella and lavagna, lorenzo},
journal={journal of the audio engineering society},
title={in-situ measurements of normal impedance and sound absorption coefficient of hard materials by using a laser doppler vibrometer},
year={2022},
volume={},
number={},
pages={},
doi={},
month={october},} @article{saccenti2022in-situ,
author={saccenti, leonardo and armelloni, enrico and farina, adriano and bevilacqua, antonella and lavagna, lorenzo},
journal={journal of the audio engineering society},
title={in-situ measurements of normal impedance and sound absorption coefficient of hard materials by using a laser doppler vibrometer},
year={2022},
volume={},
number={},
pages={},
doi={},
month={october},
abstract={standard techniques to measure the sound absorption coefficient or the acoustic impedance of materials are the kundt’s tube and the reverberant room, albeit they are not practicable in-situ. in addition, these measurement methodologies involve extracting small or large samples of the material under test, which is not permitted for materials of historical importance. in this paper, the possibility of determining the normal acoustic impedance and the normal sound absorption coefficient based on direct in-situ measurements using a laser doppler vibrometer (ldv) has been analyzed. specifically, measurements have been conducted avoiding any contact on historical sandstones, bricks, and wood planks of the greek-roman theater of tyndaris located in sicily (italy).},}

TY - Applications in Audi
TI - In-Situ Measurements of Normal Impedance and Sound Absorption Coefficient of Hard Materials by using a Laser Doppler Vibrometer
SP - EP -
AU - Saccenti, Leonardo
AU - Armelloni, Enrico
AU - Farina, Adriano
AU - Bevilacqua, Antonella
AU - Lavagna, Lorenzo
PY - 2022
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2022 TY - Applications in Audi
TI - In-Situ Measurements of Normal Impedance and Sound Absorption Coefficient of Hard Materials by using a Laser Doppler Vibrometer
SP - EP -
AU - Saccenti, Leonardo
AU - Armelloni, Enrico
AU - Farina, Adriano
AU - Bevilacqua, Antonella
AU - Lavagna, Lorenzo
PY - 2022
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2022
AB - Standard techniques to measure the sound absorption coefficient or the acoustic impedance of materials are the Kundt’s tube and the reverberant room, albeit they are not practicable in-situ. In addition, these measurement methodologies involve extracting small or large samples of the material under test, which is not permitted for materials of historical importance. In this paper, the possibility of determining the normal acoustic impedance and the normal sound absorption coefficient based on direct in-situ measurements using a Laser Doppler Vibrometer (LDV) has been analyzed. Specifically, measurements have been conducted avoiding any contact on historical sandstones, bricks, and wood planks of the Greek-Roman Theater of Tyndaris located in Sicily (Italy).