TY - GEN
T1 - The CHORDatabase
T2 - 23rd International Congress on Acoustics: Integrating 4th EAA Euroregio, ICA 2019
AU - Neal, Matthew T.
AU - Vigeant, Michelle C.
N1 - Funding Information:
Repeatability and realism are both highly important goals in concert hall perceptual studies, but it is hard to satisfy both simultaneously. Auralization from room impulse response (RIR) measurements allows for repeatable listening conditions between halls, but typical measurement loudspeakers do not realistically represent an orchestra. To support both goals, the Concert Hall Orchestral Research Database (CHORDatabase) has been generated. This database consists of 32-channel spherical microphone array measurements in 15 North American and 6 European concert halls. First, measurements were made at 7 to 15 seats in each hall using a three-part omnidirectional loudspeaker, maintaining omnidirectionality up to 5 kHz. These measurements enable standard room acoustic parameter calculations and higher-order spherical array beamforming techniques, and the overall variety of the database will be demonstrated using both objective analyses. Also, a compact 20-element spherical loudspeaker array was used to provide realistic source directivities for RIR measurements. This array can accurately represent the frequency-dependent radiation patterns of different instruments up to 3-4 kHz. Measurements were made at 20 orchestral source positions and one seat in each hall, 15 meters from stage. Full-orchestra auralization techniques will be presented, and the future potential of this database will be discussed. [Work supported by NSF Award #1302741.]
Funding Information:
The authors would like to acknowledge the students in Penn State’s Graduate Program in Acoustics for measurement assistance. Special thanks to the many researchers and consultants who assisted in contacting many of the halls and all the hall employees who helped arrange and facilitate the measurements. Special thanks in Ingo Witew, Marco Berzborn, and Prof. Michael Vorländer from ITA at RWTH Aachen for equipment assistance prior to the European measurements. This work was supported by the National Science Foundation (NSF) Award #130274.
Publisher Copyright:
© 2019 Proceedings of the International Congress on Acoustics. All rights reserved.
PY - 2019
Y1 - 2019
N2 - Repeatability and realism are both highly important goals in concert hall perceptual studies, but it is hard to satisfy both simultaneously. Auralization from room impulse response (RIR) measurements allows for repeatable listening conditions between halls, but typical measurement loudspeakers do not realistically represent an orchestra. To support both goals, the Concert Hall Orchestral Research Database (CHORDatabase) has been generated. This database consists of 32-channel spherical microphone array measurements in 15 North American and 6 European concert halls. First, measurements were made at 7 to 15 seats in each hall using a three-part omnidirectional loudspeaker, maintaining omnidirectionality up to 5 kHz. These measurements enable standard room acoustic parameter calculations and higher-order spherical array beamforming techniques, and the overall variety of the database will be demonstrated using both objective analyses. Also, a compact 20-element spherical loudspeaker array was used to provide realistic source directivities for RIR measurements. This array can accurately represent the frequency-dependent radiation patterns of different instruments up to 3-4 kHz. Measurements were made at 20 orchestral source positions and one seat in each hall, 15 meters from stage. Full-orchestra auralization techniques will be presented, and the future potential of this database will be discussed.
AB - Repeatability and realism are both highly important goals in concert hall perceptual studies, but it is hard to satisfy both simultaneously. Auralization from room impulse response (RIR) measurements allows for repeatable listening conditions between halls, but typical measurement loudspeakers do not realistically represent an orchestra. To support both goals, the Concert Hall Orchestral Research Database (CHORDatabase) has been generated. This database consists of 32-channel spherical microphone array measurements in 15 North American and 6 European concert halls. First, measurements were made at 7 to 15 seats in each hall using a three-part omnidirectional loudspeaker, maintaining omnidirectionality up to 5 kHz. These measurements enable standard room acoustic parameter calculations and higher-order spherical array beamforming techniques, and the overall variety of the database will be demonstrated using both objective analyses. Also, a compact 20-element spherical loudspeaker array was used to provide realistic source directivities for RIR measurements. This array can accurately represent the frequency-dependent radiation patterns of different instruments up to 3-4 kHz. Measurements were made at 20 orchestral source positions and one seat in each hall, 15 meters from stage. Full-orchestra auralization techniques will be presented, and the future potential of this database will be discussed.
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U2 - 10.18154/RWTH-CONV-239853
DO - 10.18154/RWTH-CONV-239853
M3 - Conference contribution
AN - SCOPUS:85099328721
T3 - Proceedings of the International Congress on Acoustics
SP - 7863
EP - 7870
BT - Proceedings of the 23rd International Congress on Acoustics
A2 - Ochmann, Martin
A2 - Michael, Vorlander
A2 - Fels, Janina
PB - International Commission for Acoustics (ICA)
Y2 - 9 September 2019 through 23 September 2019
ER -