Assessment of soundscapes using self-report and physiological measures

Assessment of soundscapes using self-report and physiological measures
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使用自我报告和生理测量来评估声景

DOI:
10.1051/aacus/2022059
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发表时间:
2023
期刊:
影响因子:
1.4
通讯作者:
Durbridge S
Durbridge S
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Durbridge S

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声景研究评估环境的主观和客观质量,并试图发展一个整体的观点之间的相互作用的声学场景和听众的经验。描述符用于表达对声学环境的感知,而进一步的主观和定量测量用作表示声学环境的特征的指标。一个特定的声景研究的描述符和指标之间的关系,往往是通过开发线性统计模型来确定。这项工作描述了一个实验,以评估心率的措施,包括超短期的心率变异性,在上下文的预测描述符框架的声景研究。这项工作的目的是提供证据支持的心理生理学基础的措施,影响声景评价。在这项研究中,15名参与者在一个重复测量的听力实验中评估了随机排列的8个音景录音。主观评价的音景进行自我评估假人和声音分类调查。在整个实验过程中,使用Polar H10 ECG心率监测仪测量参与者的心率。统计学显着的关系之间的指标和描述,反映了文献中的结果。然而,心率测量和自我报告的影响或分类评分之间没有显着的相互作用。今后的研究应着重于改进刺激的选择和实验方法,以提高小效应量实验的灵敏度。
Soundscape studies evaluate the subjective and objective qualities of an environment and attempt to develop a holistic view of the interplay between the acoustic scene and the listener’s experience. Descriptors are used to express the perception of the acoustic environment, while further subjective and quantitative measures are used as indicators that represent features of the acoustic environment. The relationships between descriptors and indicators for a particular soundscape study are often identified by developing linear statistical models. This work describes an experiment to assess heart rate measures, including ultra short term heart rate variability, within the context of the predictor descriptor framework of a soundscape study. The aim of this work is to provide evidence in support of the psychophysiological basis of measures of affect in soundscape evaluation. In this study 15 participants evaluated a randomly ordered set of 8 soundscape recordings in a repeated measures directed listening experiment. Subjective evaluation of the soundscapes was performed using the self-assessment manikin and a sound classification survey. Participants’ heart rate was measured throughout the experiment with a Polar H10 ECG heart rate monitor. Statistically significant relationships were identified between indicators and descriptors that reflect results present in the literature. However, there were no significant interactions between heart rate measures and self-reported affect or classification scores. Future studies should focus on improving the selection of stimuli and the experiment methodology to boost the sensitivity of the experiment in light of small effect sizes.
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