A Study on Affective Dimensions to Engine Acceleration Sound Quality Using Acoustic Parameters

Moon, Soyoun; Park, Sung-Hwan; Park, Donggun; Kim, Wonjoon; Yun, Myung Hwan; Park, Dongchul

doi:10.3390/app9030604

Cited by 18 publications

(6 citation statements)

References 35 publications

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“…All statistical analyses were conducted using IBM SPSS Statistics Version 24 (IBM Corp., Armonk, NY, United States). With reference to previous studies that measured the subjective feeling of users through a questionnaire [19][20][21][22], all subjective ratings in this study were evaluated using a 7-point Likert scale. To neglect the order effect, the samples were given in a randomized order.…”

Section: Discussionmentioning

confidence: 99%

Understanding the Relationship between User’s Subjective Feeling and the Degree of Side Curvature in Smartphone

et al. 2020

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To develop a flexible display, smartphones with edge screens with curved displays on both sides of the main screen have been used widely. Considering that small differences in the form of smartphones, such as length, width, and thickness, could affect user experience, the effects of the curvature of the edge screen should be identified. This study aimed to investigate the effects of the curvature of edge screens on subjective feelings of smartphone users and to find out the optimal curvature. In the experiment, four nonfunctional samples with different radii of curvature (4R/6R/8R/10R) were used as samples, and participants evaluated the five subjective feelings: grip/control comfort, front/side visibility, and stability of the samples with four usage patterns. Our results revealed that 8R is the optimal curvature for the edge screen based on subjective feelings in smartphone usage. Moreover, the effect of the curvature of the edge screen on grip comfort and control comfort varied according to the usage patterns. The results of this study can be applied to design of the curvature of edge screens in smartphones and it is expected that it will contribute to improvement of users’ satisfaction.

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Section: Discussionmentioning

confidence: 99%

Understanding the Relationship between User’s Subjective Feeling and the Degree of Side Curvature in Smartphone

et al. 2020

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“…The test results show that the convergence rate and the balance are significantly improved in most engine speed ranges. Moon et al 29 made a study to calculate the semantic space of sound quality during engine acceleration for the end user, and also to study the connection with sound characteristics. These works can provide a better sound effect for passengers.…”

Section: Introductionmentioning

confidence: 99%

Research on active sound control in EV in-vehicle based on engine order sound fitting

Zhang

Cao

et al. 2023

Advances in Mechanical Engineering

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In order to upgrade the comfort and dynamic feeling of the sound in the cabin of electric vehicle acceleration and uniform driving, this paper conducted a study on active sound making control in EVs based on sound fitting. Sound fitting was analyzed by short-time Fourier technique (STFT), sound extraction and synthesis was tested by STFT and synthesis method was conducted by Kaiser window function. A study on the sound requirements of a Class A EV was completed, in which a sound design method integrated three objective dimensions of sound amplitude strengthening, energy distribution, and order composition in the vehicle speed range, so as to determine the sound design scheme of accelerated driving with both comfort and dynamic sense. By comparing the characteristics of two kinds of engine sound extraction, the correlation between dynamic sensation and engine sound amplitude was analyzed, and the active sound parameter selection was confirmed under two conditions of acceleration and uniform speed. Efforts were devoted to conduct the active sound system program workflow diagram and system hardware design and testing, and to complete the active sound generation system (ASGS) formation and accuracy testing of the electric vehicle based on the audio system speaker, and additionally the sound calibration and target verification of the ASGS under the static conditions of the real vehicle were carried out. The objective test shows that the ASGS reduces the sharpness under the two working conditions of acceleration and constant speed to 1.0 and 0.52 acum respectively, which effectively alleviates the uncomfortable feeling brought by the high-frequency order sound, and proves that the ASGS can enhance the comfort and dynamic quality characteristics of the electric vehicle interior sound.

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“…Recently, expertise in human factors has been increasingly applied to reflect the emotional demands of users in designing or evaluating the products (Han et al, 2004;Kim et al, 2006;Jordan, 1998;Yun et al, 2003). Representing affective/Kansei engineering, the cases can be considered as an attempt to substitute design variables for customers' emotional properties by understanding users' feeling based on their psychological state and analyzing them through statistical techniques (Nagamachi, 2002;2008;Moon et al, 2019). The approach of affective/Kansei engineering has been developed and applied to various product designs, and many studies have been conducted in the field of automobile design Ryu et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Development of a model of subjective feelings for the front visual quality during automobile driving

Kwon¹,

Ahn

Kim

et al. 2021

JER is an international, peer-reviewed journal that publishes f

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The main goal of this study is to develop a model of subjective feelings for frontal visibility, often called the feeling of ‘openness’, for automobile drivers. Moreover, this study proposed a method to overcome the limitations of the rating scale method, although it has been used in a great number of studies. To this end, eight potential design variables of automobiles were extracted from 25 candidate design variables. A questionnaire for evaluating the openness of an automobile was developed based on these variables. By using this questionnaire, a user experiment was conducted to investigate a relationship between the feeling of openness of automobiles and the design variables. Twenty-six participants evaluated the feeling of openness and the perceived rate of the design variables for 30 automobiles. The results showed that the variables such as the height of headlining, the height of cluster housing, the inclination angle of wind shield, and the volume of A-pillar were the critical design variables affecting the feeling of openness of the automobiles. Moreover, the optimal perceived level of each design variable was found out. The results of this study can be applied to designing automobile interior for good frontal visibility.

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A Study on Affective Dimensions to Engine Acceleration Sound Quality Using Acoustic Parameters

Cited by 18 publications

References 35 publications

Understanding the Relationship between User’s Subjective Feeling and the Degree of Side Curvature in Smartphone

Understanding the Relationship between User’s Subjective Feeling and the Degree of Side Curvature in Smartphone

Research on active sound control in EV in-vehicle based on engine order sound fitting

Development of a model of subjective feelings for the front visual quality during automobile driving

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