Usage of measured reverberation tail in a binaural room impulse response synthesis

Milos Markovic, Søren Krarup Olesen, Esben Madsen, Pablo F. Hoffmann, Dorte Hammershøi

Publikation: Bidrag til tidsskriftKonferenceabstrakt i tidsskriftForskningpeer review

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Resumé

The aim of the modern communication technologies is an immersive experience. One of the applications that should provide the feeling of being together and sharing the same environment during the communication process is BEAMING. The goal of this paper is to improve audible spatial impression utilizing correct acoustical properties of the specific environments. Binaural room impulse response (BRIR) synthesis represents one of the main tasks in the binaural auralization. When the BRIRs are simulated, high order reflections (reverberation tail) are usually modeled statistically because of the high density of reflections. That can lead to metallic and unnatural sound. Also, room-specific sound envelopment feeling is lost. This paper investigates the possibility of using measured reverberation tail instead of the modeled one in BRIRs synthesis. Three cases are observed. In the first one, BRIRs measurement in a real room is performed. In the second one, synthesized BRIRs are used. BRIRs synthesis is realized using the image-source method for the early reflections and the artificial reverberation algorithm for the reverberation tail. The third case combines modeled early reflections from the second case and measured late reverberation from the first one. All three cases are evaluated and compared objectively based on the obtained room acoustic parameters as well as subjectively by listening tests.
OriginalsprogEngelsk
TidsskriftAcustica United with Acta Acustica
Vol/bind97
Udgave nummerSupplement 1
Sider (fra-til)S 122
ISSN1610-1928
StatusUdgivet - 2011
BegivenhedForum Acusticum 2011 - Aalborg, Danmark
Varighed: 27 jun. 20111 jul. 2011
Konferencens nummer: 6

Konference

KonferenceForum Acusticum 2011
Nummer6
LandDanmark
ByAalborg
Periode27/06/201101/07/2011

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reverberation
rooms
impulses
synthesis
sensory feedback
acoustics
communication
Reverberation
Impulse
Sound

Citer dette

Markovic, M., Olesen, S. K., Madsen, E., Hoffmann, P. F., & Hammershøi, D. (2011). Usage of measured reverberation tail in a binaural room impulse response synthesis. Acustica United with Acta Acustica, 97(Supplement 1), S 122.
Markovic, Milos ; Olesen, Søren Krarup ; Madsen, Esben ; Hoffmann, Pablo F. ; Hammershøi, Dorte. / Usage of measured reverberation tail in a binaural room impulse response synthesis. I: Acustica United with Acta Acustica. 2011 ; Bind 97, Nr. Supplement 1. s. S 122.
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abstract = "The aim of the modern communication technologies is an immersive experience. One of the applications that should provide the feeling of being together and sharing the same environment during the communication process is BEAMING. The goal of this paper is to improve audible spatial impression utilizing correct acoustical properties of the specific environments. Binaural room impulse response (BRIR) synthesis represents one of the main tasks in the binaural auralization. When the BRIRs are simulated, high order reflections (reverberation tail) are usually modeled statistically because of the high density of reflections. That can lead to metallic and unnatural sound. Also, room-specific sound envelopment feeling is lost. This paper investigates the possibility of using measured reverberation tail instead of the modeled one in BRIRs synthesis. Three cases are observed. In the first one, BRIRs measurement in a real room is performed. In the second one, synthesized BRIRs are used. BRIRs synthesis is realized using the image-source method for the early reflections and the artificial reverberation algorithm for the reverberation tail. The third case combines modeled early reflections from the second case and measured late reverberation from the first one. All three cases are evaluated and compared objectively based on the obtained room acoustic parameters as well as subjectively by listening tests.",
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Markovic, M, Olesen, SK, Madsen, E, Hoffmann, PF & Hammershøi, D 2011, 'Usage of measured reverberation tail in a binaural room impulse response synthesis', Acustica United with Acta Acustica, bind 97, nr. Supplement 1, s. S 122.

Usage of measured reverberation tail in a binaural room impulse response synthesis. / Markovic, Milos; Olesen, Søren Krarup; Madsen, Esben; Hoffmann, Pablo F.; Hammershøi, Dorte.

I: Acustica United with Acta Acustica, Bind 97, Nr. Supplement 1, 2011, s. S 122.

Publikation: Bidrag til tidsskriftKonferenceabstrakt i tidsskriftForskningpeer review

TY - ABST

T1 - Usage of measured reverberation tail in a binaural room impulse response synthesis

AU - Markovic, Milos

AU - Olesen, Søren Krarup

AU - Madsen, Esben

AU - Hoffmann, Pablo F.

AU - Hammershøi, Dorte

PY - 2011

Y1 - 2011

N2 - The aim of the modern communication technologies is an immersive experience. One of the applications that should provide the feeling of being together and sharing the same environment during the communication process is BEAMING. The goal of this paper is to improve audible spatial impression utilizing correct acoustical properties of the specific environments. Binaural room impulse response (BRIR) synthesis represents one of the main tasks in the binaural auralization. When the BRIRs are simulated, high order reflections (reverberation tail) are usually modeled statistically because of the high density of reflections. That can lead to metallic and unnatural sound. Also, room-specific sound envelopment feeling is lost. This paper investigates the possibility of using measured reverberation tail instead of the modeled one in BRIRs synthesis. Three cases are observed. In the first one, BRIRs measurement in a real room is performed. In the second one, synthesized BRIRs are used. BRIRs synthesis is realized using the image-source method for the early reflections and the artificial reverberation algorithm for the reverberation tail. The third case combines modeled early reflections from the second case and measured late reverberation from the first one. All three cases are evaluated and compared objectively based on the obtained room acoustic parameters as well as subjectively by listening tests.

AB - The aim of the modern communication technologies is an immersive experience. One of the applications that should provide the feeling of being together and sharing the same environment during the communication process is BEAMING. The goal of this paper is to improve audible spatial impression utilizing correct acoustical properties of the specific environments. Binaural room impulse response (BRIR) synthesis represents one of the main tasks in the binaural auralization. When the BRIRs are simulated, high order reflections (reverberation tail) are usually modeled statistically because of the high density of reflections. That can lead to metallic and unnatural sound. Also, room-specific sound envelopment feeling is lost. This paper investigates the possibility of using measured reverberation tail instead of the modeled one in BRIRs synthesis. Three cases are observed. In the first one, BRIRs measurement in a real room is performed. In the second one, synthesized BRIRs are used. BRIRs synthesis is realized using the image-source method for the early reflections and the artificial reverberation algorithm for the reverberation tail. The third case combines modeled early reflections from the second case and measured late reverberation from the first one. All three cases are evaluated and compared objectively based on the obtained room acoustic parameters as well as subjectively by listening tests.

M3 - Conference abstract in journal

VL - 97

SP - S 122

JO - Acustica United with Acta Acustica

JF - Acustica United with Acta Acustica

SN - 1610-1928

IS - Supplement 1

ER -