Psychoacoustic parameters are mostly used for determining the sound quality of mechanical sounds.They have also started to be used for evaluating soundscapes of open areas and enclosed spaces.This research aims to fin...Psychoacoustic parameters are mostly used for determining the sound quality of mechanical sounds.They have also started to be used for evaluating soundscapes of open areas and enclosed spaces.This research aims to find out the relationship between the psychoacoustic parameters and acoustic comfort in non-acoustic enclosed public spaces,specifically in eating establishments.Both on-site measurements and laboratory listening tests were conducted for five eating establishments.During on-site measurements,a simultaneous questionnaire study was also carried out.Subjective and objective data were comparatively evaluated.Listening tests were based on auralizations with calibrated simulation models.This provided a research model,that allows control over the acoustic environment without having to make real changes in the physical elements of the eating establishments.The auralization sound files were presented to listening test participants with headphones and they evaluated soundscapes with different psychoacoustic properties.As results,better acoustic comfort was found to be related with higher sharpness,lower reverberation time,lower loudness and lower roughness values for the examined parameter ranges.展开更多
When designing and optimizing the hull of vehicles,their sound quality needs to be considered,which greatly depends on the psychoacoustic parameters.However,the traditional psychoacoustic calculation method does not c...When designing and optimizing the hull of vehicles,their sound quality needs to be considered,which greatly depends on the psychoacoustic parameters.However,the traditional psychoacoustic calculation method does not consider the influence of the real human ear anatomic structure,even the loudness which is most related to the auditory periphery.In order to introduce the real physiological structure of the human ear into the evaluation of vehicle sound quality,this paper first carried out the vehicle internal noise test to obtain the experimental samples.Then,the physiological loudness was predicted based on an established human ear physiological model,and the noise evaluation vector was constructed by combining the remaining four psychoacoustic parameters.Finally,the evaluation vector was fitted into the subjective evaluation results of vehicle interior noise by a deep neural network.The results show that our proposed method can estimate the human subjective perception of vehicle interior noise well.展开更多
文摘Psychoacoustic parameters are mostly used for determining the sound quality of mechanical sounds.They have also started to be used for evaluating soundscapes of open areas and enclosed spaces.This research aims to find out the relationship between the psychoacoustic parameters and acoustic comfort in non-acoustic enclosed public spaces,specifically in eating establishments.Both on-site measurements and laboratory listening tests were conducted for five eating establishments.During on-site measurements,a simultaneous questionnaire study was also carried out.Subjective and objective data were comparatively evaluated.Listening tests were based on auralizations with calibrated simulation models.This provided a research model,that allows control over the acoustic environment without having to make real changes in the physical elements of the eating establishments.The auralization sound files were presented to listening test participants with headphones and they evaluated soundscapes with different psychoacoustic properties.As results,better acoustic comfort was found to be related with higher sharpness,lower reverberation time,lower loudness and lower roughness values for the examined parameter ranges.
基金supported by the National Natural Science Foundation of China(Nos.52275296,52172371,and 52274162)the Top-Notch Academic Programs Project of Jiangsu Higher Education Institutions,the Priority Academic Program Development of Jiangsu Higher Education Institutions,and Jiangsu Provincial Postgraduate Practice Innovation Plan(No.SJCX23_1283).
文摘When designing and optimizing the hull of vehicles,their sound quality needs to be considered,which greatly depends on the psychoacoustic parameters.However,the traditional psychoacoustic calculation method does not consider the influence of the real human ear anatomic structure,even the loudness which is most related to the auditory periphery.In order to introduce the real physiological structure of the human ear into the evaluation of vehicle sound quality,this paper first carried out the vehicle internal noise test to obtain the experimental samples.Then,the physiological loudness was predicted based on an established human ear physiological model,and the noise evaluation vector was constructed by combining the remaining four psychoacoustic parameters.Finally,the evaluation vector was fitted into the subjective evaluation results of vehicle interior noise by a deep neural network.The results show that our proposed method can estimate the human subjective perception of vehicle interior noise well.
