The Influence of Overlapping Band Filters on Octave Band Decay Curves

Gerd Marbjerg; Jonas Brunskog; Cheol-Ho Jeong; Valentina Zapata Rodriguez

doi:10.3813/AAA.919259

The Influence of Overlapping Band Filters on Octave Band Decay Curves

Gerd Marbjerg, Jonas Brunskog^*, Cheol-Ho Jeong, Valentina Zapata Rodriguez

^*Corresponding author for this work

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Abstract

This study showed that the overlap of practically-used bandpass filters can influence the octave band decay curves, especially if the decays are calculated from a filtered impulse response that has been created from octave band energy responses. Energy from a frequency band with a long reverberation time can leak into a neighbouring band with a shorter reverberation time. This also means that neither octave band decays from a measured response are independent, nor are measured octave band reverberation times.

Original language	English
Journal	Acta Acustica united with Acustica
Volume	104
Pages (from-to)	943 – 946
ISSN	1610-1928
DOIs	https://doi.org/10.3813/AAA.919259
Publication status	Published - 2018

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@article{3e82452801a440028857c3e25609819b,

title = "The Influence of Overlapping Band Filters on Octave Band Decay Curves",

abstract = "This study showed that the overlap of practically-used bandpass filters can influence the octave band decay curves, especially if the decays are calculated from a filtered impulse response that has been created from octave band energy responses. Energy from a frequency band with a long reverberation time can leak into a neighbouring band with a shorter reverberation time. This also means that neither octave band decays from a measured response are independent, nor are measured octave band reverberation times.",

author = "Gerd Marbjerg and Jonas Brunskog and Cheol-Ho Jeong and {Zapata Rodriguez}, Valentina",

year = "2018",

doi = "10.3813/AAA.919259",

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pages = "943 – 946",

journal = "Acta Acustica united with Acustica",

issn = "1610-1928",

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T1 - The Influence of Overlapping Band Filters on Octave Band Decay Curves

AU - Marbjerg, Gerd

AU - Brunskog, Jonas

AU - Jeong, Cheol-Ho

AU - Zapata Rodriguez, Valentina

PY - 2018

Y1 - 2018

N2 - This study showed that the overlap of practically-used bandpass filters can influence the octave band decay curves, especially if the decays are calculated from a filtered impulse response that has been created from octave band energy responses. Energy from a frequency band with a long reverberation time can leak into a neighbouring band with a shorter reverberation time. This also means that neither octave band decays from a measured response are independent, nor are measured octave band reverberation times.

AB - This study showed that the overlap of practically-used bandpass filters can influence the octave band decay curves, especially if the decays are calculated from a filtered impulse response that has been created from octave band energy responses. Energy from a frequency band with a long reverberation time can leak into a neighbouring band with a shorter reverberation time. This also means that neither octave band decays from a measured response are independent, nor are measured octave band reverberation times.

U2 - 10.3813/AAA.919259

DO - 10.3813/AAA.919259

M3 - Journal article

SN - 1610-1928

VL - 104

SP - 943

EP - 946

JO - Acta Acustica united with Acustica

JF - Acta Acustica united with Acustica

ER -

The Influence of Overlapping Band Filters on Octave Band Decay Curves

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