ASA 2024 Ottawa: Soundscape Perception Indices (SPI)
The soundscape approach provides a basis for considering the holistic perception of sound environments, in context. While steady advancements have been made in methods for assessment and analysis, a gap exists for comparing soundscapes and quantifying improvements in the multi-dimensional perception of a soundscape. To this end, there is a need for the creation of single value indices to compare soundscape quality which incorporate context, aural diversity, and specific design goals. Just as a variety of decibel-based indices have been developed for various purposes (e.g., LAeq, LCeq, L90, Lden, etc.), the soundscape approach requires the ability to create novel indices for different uses, but which share a common language and understanding. We therefore propose a unified framework for creating both bespoke and archetypal single index measures of soundscape perception based on the soundscape circumplex model, allowing for new indices to be defined in the future. The implementation of this framework is demonstrated through the creation of a public space typology-based index using survey data collected under the SSID Protocol. Indices developed under this framework can enable a broader and more efficient application of the soundscape approach in design, planning, and regulation.
Soundscape Perception Indices (SPI) - A unified framework for defining context-dependent single value indices
Citation
@inproceedings{mitchell2024,
author = {Mitchell, Andrew and Aletta, Francesco and Oberman, Tin and
Kang, Jian},
title = {Soundscape {Perception} {Indices} {(SPI)} - {A} Unified
Framework for Defining Context-Dependent Single Value Indices},
booktitle = {186th Meeting of the Acoustical Society of America},
date = {2024-05-15},
url = {https://pubs.aip.org/asa/jasa/article/155/3_Supplement/A301/3301593/A-unified-framework-for-creating-soundscape},
doi = {10.1121/10.0027579},
langid = {en},
abstract = {The soundscape approach provides a basis for considering
the holistic perception of sound environments, in context. While
steady advancements have been made in methods for assessment and
analysis, a gap exists for comparing soundscapes and quantifying
improvements in the multi-dimensional perception of a soundscape. To
this end, there is a need for the creation of single value indices
to compare soundscape quality which incorporate context, aural
diversity, and specific design goals. Just as a variety of
decibel-based indices have been developed for various purposes
(e.g., LAeq, LCeq, L90, Lden, etc.), the soundscape approach
requires the ability to create novel indices for different uses, but
which share a common language and understanding. We therefore
propose a unified framework for creating both bespoke and archetypal
single index measures of soundscape perception based on the
soundscape circumplex model, allowing for new indices to be defined
in the future. The implementation of this framework is demonstrated
through the creation of a public space typology-based index using
survey data collected under the SSID Protocol. Indices developed
under this framework can enable a broader and more efficient
application of the soundscape approach in design, planning, and
regulation.}
}