Just Noticeable Difference of Rubber Ball Impact Sound

Jeong-Ho Jeong

doi:10.5050/KSNVE.2021.31.3.308

Just Noticeable Difference of Rubber Ball Impact Sound

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고무공 충격음의 최소인지한계

Type: Academic journal

Author: Jeong-Ho Jeong (Fire Insurers Laboratories of Korea)

Journal: Korean Society for Noise and Vibration Engineering(KSNVE) Transactions of the Korean Society for Noise and Vibration Engineering Vol.31 No.3(Wn.260) KCI Accredited Journals

Published: 2021.6

Pages: 308 - 318 (11page)

DOI: 10.5050/KSNVE.2021.31.3.308

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Just Noticeable Difference of Rubber Ball Impact Sound

Research history (12)

2021

Just Noticeable Difference of Rubber Ball Impact Sound

Jeong-Ho Jeong Transactions of the Korean Society for Noise and Vibration Engineering 2021.06 Academic journal

2020

Just Noticeable Difference of Rubber Ball Impact Sound

Jeong-Ho Jeong 한국소음진동공학회 학술대회논문집 2020.11 Proceeding

Subjective Response on Rubber Ball Impact Sound

Jeong-Ho Jeong 한국소음진동공학회 학술대회논문집 2020.06 Proceeding

2019

Classification Scheme of Rubber Ball Impact Sound

JeongHo Jeong 한국소음진동공학회 학술대회논문집 2019.10 Proceeding

International Standardization on Rubber Ball Impact Sound

Jeong Ho Jeong 한국소음진동공학회 학술대회논문집 2019.02 Proceeding

Survey Method of Light Weight Impact Sound Isolation Performance for the Quality Control of Floor Impact Sound Isolation System

Jeong , Jeong-Ho , Lee Journal of Korean Institute of Architectural Sustainable Environment and Building Systems 2019.02 Academic journal

Repeatability Evaluation of Rubber Ball Impact Sound in a Reverberation Chamber

Jeong-Ho Jeong , Jeong-Ok Pa , k Transactions of the Korean Society for Noise and Vibration Engineering 2019.02 Academic journal

2018

Current Status of ISO Standardization on the Measurement and Evaluation Method of Rubber Ball Impact Sound

Jeong-Ho Jeong 한국소음진동공학회 학술대회논문집 2018.10 Proceeding

Repeatability Evaluation of Rubber Ball Impact Sound in a Reverberation Chamber

Jeong-Ho Jeong , Jeong-Ok Pa , k 한국소음진동공학회 학술대회논문집 2018.10 Proceeding

Just Noticeable Difference of Rubber Impact Sound

JeongHo Jeong , JeongUk Kim , YongHee Kim and others 2 한국소음진동공학회 학술대회논문집 2018.04 Proceeding

2017

Comparison between Subjective Evaluation Results of Frequency Component Varied Rubber Impact Sound and Single Numerical Quantities

Jeong , Jeong-Ho Journal of Korean Institute of Architectural Sustainable Environment and Building Systems 2017.12 Academic journal

Subjective Satisfaction Evaluation of Rubber Ball Impact Sound

Jeong-Ho Jeong , Jung-Uk Kim , Yong-Hee Kim and others 2 한국소음진동공학회 학술대회논문집 2017.10 Proceeding

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Rubber balls are used to measure the low-frequency impact sound on reinforced concrete and wooden structured apartment buildings. Previous studies on rubber ball impact sound showed that the physical properties of a rubber ball cause its impact sound to be similar to real impacts such as jumping and running of children. The rubber ball was standardized in ISO 10140-5 and ISO 16283-2, and studies on the SNQ of rubber ball were conducted. In addition, a classification on rubber ball impact sound is needed for the evaluation and labelling of low-frequency impact sounds. In this study, a subjective evaluation on the just noticeable difference (JND) of rubber ball impact sound was conducted. The presented rubber ball impact sound was recorded from wooden and reinforced concrete structures in apartment buildings. The JND of rubber ball impact sound, in which 75 % of the subjects can distinguish the loudness difference of two kinds of presented sound, was 4.65 dB for the wooden structure and 4.67 dB for the reinforced structure. On average, the JND of the rubber ball impact sound was 4.66 dB. For considering the harmonization with the classification scheme of other noise sources such as service equipment and airborne sound insulation in ISO/PRF TS 19488, a difference of 4 dB between classes is reasonable.

#Floor Impact Sound(바닥충격음) #Rubber Ball Impact Sound(고무공 충격음) #Just Noticeable Difference(최소인지한계) #Subjective Responses(주관적 반응)

ABSTRACT
1. 서론
2. 기존 연구
3. 고무공 충격음 최소인지한계 실험
4. 토의 및 결론
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ISO 10140-3:2010 Acoustics — Laboratory Measurement of Sound Insulation of Building Elements — Part 3: Measurement of Impact Sound Insulation.

ISO 10140-5:2010 Acoustics — Laboratory Measurement of Sound Insulation of Building Elements — Part 5: Requirement for Test Facilities And Equipment.

ISO 16283-2:2020 Acoustics — Field Measurement of Sound Insulation in Buildings and of Building Elements — Part 2: Impact Sound Insulation.

KS F 2810-2 Field Measurements of Floor Impact Sound Insulation of Buildings ― Part 2: Method Using Standard Heavy Impact Sources.

KS F ISO 10140-3 Acoustics ― Laboratory Measurement of Sound Insulation of Building Element ― Part 3: Measurement of Impact Sound Insulation.

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Affiliation 방재시험연구원

Fields Engineering > Mechanical Engineering > General Mechanical Engineering TOP 5% Social Science > Education

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