Room transfer function measurement from a directional loudspeaker

Prasanga N. Samarasinghe; Thushara D. Abhayapala

doi:10.1109/IWAENC.2016.7602969

Room transfer function measurement from a directional loudspeaker

Prasanga N. Samarasinghe, Thushara D. Abhayapala

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

6 Citations (Scopus)

Abstract

Room transfer function (RTF) is the room response observed at a particular listening point due to an impulse generated from an omnidirectional point source. Typically, measured RTFs in practice are often erroneous due to the directivity of the measurement loudspeaker. This paper formulates a spherical harmonic based parameterization of the room response for a directional loudspeaker, and provides a direct approach to derive the point to point RTF using measurements from a directional loudspeaker. Simulation results are presented for 2 directional loudspeakers with an active frequency bandwidth of 200 - 4000 Hz.

Original language	English
Title of host publication	2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781509020072
DOIs	https://doi.org/10.1109/IWAENC.2016.7602969
Publication status	Published - 19 Oct 2016
Event	15th International Workshop on Acoustic Signal Enhancement, IWAENC 2016 - Xi'an, China Duration: 13 Sept 2016 → 16 Sept 2016

Publication series

Name	2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016

Conference

Conference	15th International Workshop on Acoustic Signal Enhancement, IWAENC 2016
Country/Territory	China
City	Xi'an
Period	13/09/16 → 16/09/16

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10.1109/IWAENC.2016.7602969

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Samarasinghe, P. N., & Abhayapala, T. D. (2016). Room transfer function measurement from a directional loudspeaker. In 2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016 Article 7602969 (2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IWAENC.2016.7602969

@inproceedings{37e0f97e72d14b6796e4c234374acd96,

title = "Room transfer function measurement from a directional loudspeaker",

abstract = "Room transfer function (RTF) is the room response observed at a particular listening point due to an impulse generated from an omnidirectional point source. Typically, measured RTFs in practice are often erroneous due to the directivity of the measurement loudspeaker. This paper formulates a spherical harmonic based parameterization of the room response for a directional loudspeaker, and provides a direct approach to derive the point to point RTF using measurements from a directional loudspeaker. Simulation results are presented for 2 directional loudspeakers with an active frequency bandwidth of 200 - 4000 Hz.",

keywords = "Directional loudspeaker, Higher-order loudspeaker, Room impulse response, Room transfer function",

author = "Samarasinghe, {Prasanga N.} and Abhayapala, {Thushara D.}",

note = "Publisher Copyright: {\textcopyright} 2016 IEEE.; 15th International Workshop on Acoustic Signal Enhancement, IWAENC 2016 ; Conference date: 13-09-2016 Through 16-09-2016",

year = "2016",

month = oct,

day = "19",

doi = "10.1109/IWAENC.2016.7602969",

language = "English",

series = "2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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Samarasinghe, PN & Abhayapala, TD 2016, Room transfer function measurement from a directional loudspeaker. in 2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016., 7602969, 2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016, Institute of Electrical and Electronics Engineers Inc., 15th International Workshop on Acoustic Signal Enhancement, IWAENC 2016, Xi'an, China, 13/09/16. https://doi.org/10.1109/IWAENC.2016.7602969

Room transfer function measurement from a directional loudspeaker. / Samarasinghe, Prasanga N.; Abhayapala, Thushara D.
2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016. Institute of Electrical and Electronics Engineers Inc., 2016. 7602969 (2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Room transfer function measurement from a directional loudspeaker

AU - Samarasinghe, Prasanga N.

AU - Abhayapala, Thushara D.

PY - 2016/10/19

Y1 - 2016/10/19

N2 - Room transfer function (RTF) is the room response observed at a particular listening point due to an impulse generated from an omnidirectional point source. Typically, measured RTFs in practice are often erroneous due to the directivity of the measurement loudspeaker. This paper formulates a spherical harmonic based parameterization of the room response for a directional loudspeaker, and provides a direct approach to derive the point to point RTF using measurements from a directional loudspeaker. Simulation results are presented for 2 directional loudspeakers with an active frequency bandwidth of 200 - 4000 Hz.

AB - Room transfer function (RTF) is the room response observed at a particular listening point due to an impulse generated from an omnidirectional point source. Typically, measured RTFs in practice are often erroneous due to the directivity of the measurement loudspeaker. This paper formulates a spherical harmonic based parameterization of the room response for a directional loudspeaker, and provides a direct approach to derive the point to point RTF using measurements from a directional loudspeaker. Simulation results are presented for 2 directional loudspeakers with an active frequency bandwidth of 200 - 4000 Hz.

KW - Directional loudspeaker

KW - Higher-order loudspeaker

KW - Room impulse response

KW - Room transfer function

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U2 - 10.1109/IWAENC.2016.7602969

DO - 10.1109/IWAENC.2016.7602969

M3 - Conference contribution

T3 - 2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016

BT - 2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 15th International Workshop on Acoustic Signal Enhancement, IWAENC 2016

Y2 - 13 September 2016 through 16 September 2016

ER -

Room transfer function measurement from a directional loudspeaker

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