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The Subwoofer Room Impulse Response (SUBRIR) database

Vairetti, G, Kaplanis, N, De Sena, Enzo, Jonsen, SH, Bech, S, Moonen, M and van Waterschoot, T (2017) The Subwoofer Room Impulse Response (SUBRIR) database Journal of the Audio Engineering Society, 65 (5). pp. 389-401.

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This report introduces a new database of room impulse responses (RIRs) measured in an empty rectangular room using subwoofers as sound sources. The purpose of this database, publicly available for download, is to provide acoustic measurements within the frequency region of modal resonances. Performing acoustic measurements at low frequencies presents many difficulties, mainly related to ambient noise and to unavoidable nonlinearities of the subwoofer. In this report, it is shown that these issues can be addressed and partially solved by means of the exponential sine-sweep technique and a careful calibration of the measurement equipment. A procedure for estimating the reverberation time at very low frequencies is proposed, which uses a cosine-modulated filterbank and an approximation of the RIRs using parametric models in order to reduce problems related to low signal-to-noise ratio and to the length of typical band-pass filter responses.

Item Type: Article
Subjects : Music and Media
Divisions : Faculty of Arts and Social Sciences > Department of Music and Media
Authors :
Vairetti, G
Kaplanis, N
De Sena,
Jonsen, SH
Bech, S
Moonen, M
van Waterschoot, T
Date : 26 May 2017
Copyright Disclaimer : Copyright 2017 Audio Engineering Society
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 05 Apr 2017 09:48
Last Modified : 05 Mar 2019 10:14

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