• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
• /
• 2004.05a
• /
• pp.1013-1013
• /
• 2004

Soundscape design is applied for the purpose of expressing the characteristics of places, by supplying suitable background sound for various places expressing their identity. Bus stations are a place for aggregating people using transportation. That is, people go into a station, buy a ticket, and wait for departure or for other passengers. Therefore, they need to create a more comfortable sound environment. This study aims to make bus stations a comfortable place acoustically for users. In this study, analysis on behavior at various locations in the space was performed. Measurements were taken on the approaching path, waiting place, departure and arrival platforms for sound levels and frequency characteristics. In addition, on acoustic specialists evaluation, using questionnaires, was also performed ambient noise, information broadcasting and users dialogue.

• Transactions of the Korean Society for Noise and Vibration Engineering
• /
• v.24 no.2
• /
• pp.154-161
• /
• 2014

Demands for Korean Traditional Residence Complexes as a more humane resident space have recently been increasing for the purposes of users' health and convenience, built with the purpose of reflecting various trends. This study is aimed at examining the physical characteristics of design in residence complexes by analyzing the physical characteristics of the sound environment as auditory elements of Hanok Complexes and the relationship between spatial and visual test values. The results were shown as follows: In subjective evaluation at Hanok, Natural sounds were recognized higher but artificial sounds were lower. According to the interrelationship analysis between subjective evaluation and physical measurement values, entrance (regular-StdDev), yard (regular-NbEm, friendly-G), waterside (regular-articulation index(rooms), StdDev, $L_{min}$, Rem), etc had been shown highly related.

• Bulletin of Korea Environmental Preservation Association
• /
• s.403
• /
• pp.26-29
• /
• 2013

2013년 1월부터 국민의 건강을 보호하고 쾌적한 수질 및 수생태계 환경을 유지하기 위한 환경기준 항목이 추가되며, "어린이용품 환경유해인자 사용제한 등에 관한 규정"의 시행으로 유해 어린이용품의 관리가 강화된다. 또한 자동차의 배출 가스 수시점검을 효율적으로 추진하기 위해 배출가스 원격측정제도가 시행되며, 음식물류 폐기물의 재활용 과정에서 발생되는 음폐수에 대한 해양배출이 전면 금지된다. 2013년부터 달라지거나 새롭게 시행되는 환경행정 내용을 정리하였으니 업무에 참고하시기 바랍니다.

• Fire Protection Technology
• /
• s.42
• /
• pp.17-25
• /
• 2007

쾌적하고 명료성이 높은 교실내의 음향환경은 학생들의 학업 성취도 및 교사의 언어전달 이해 향상을 이룩할 수 있는 중요한 사항이다. 이러한 우수한 교육환경을 위해서는 우선 우리나라의 교실 음향 실태 파악과 함께 교육시설의 음향상태 및 소음에 의한 학업 성취도, 심리적, 사회적 영향에 대한 정량적 조사가 이루어 져야 한다. 국내 교육시설의 음향 실태 파악을 통해 교육시설에서의 음향 및 소음 기준을 수립하여 교육시설내의 음환경 개선을 추진해야 한다. 교실 음향개선을 합리적으로 평가할 수 있는 지표로서 잔향시간과 배경소음이 가장 중요한 요소로 알려져 있다. 교실의 우수한 음환경을 위해 적절한 잔향시간은 $0.4\sim0.6$초, 배경소음은 NC-$25\sim30$수준이 확보되어야 하는 것으로 조사되었다. 또한 교사의 음성레벨과 배경소음과의 비(S/N비)는 최소 10 dB이상 되어야 강의 내용 전달이 가능하며, 각종 기계설비에서 발생되는 소음 및 진동은 저소음 기기 선정을 통해 최소화하여야 한다. 인접 실에서 발생되는 소음을 충분히 차단하기 위해서는 차음성능 우수한 구조의 벽계로 개선되어야 하며, 기밀성이 높은 출입문사용과 적절한 출입구 배치를 통해 인접한 교실로의 소음 전달을 최소화 할 수 있다.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
• /
• 2007.05a
• /
• pp.507-510
• /
• 2007

본 연구의 목적은 소음진동규제법을 비롯한 각종 소음진동관련 규정의 목적이나 정책의 목표에 기술된 '정온'의 의미를 명확히 하는 것이다. 이를 위해 먼저 사운드스케이프 사상에서 나타난 소음의 개념과 쾌적성을 고찰하고, 관련 연구자의 '정온'에 대한 정의를 검토하였다. 그 결과 '정온'은 조용함으로서 양호한 음환경 조성의 기본 요건이지만, 그것만이 절대적 의미의 정온이 아니며 high acoustic quality의 관점에서 사람들이 선호하는 소리가 포함되고 원하지 않은 소리를 마스킹할 수 있는 유쾌한 환경까지를 포함한 상대적 의미가 되어야 함을 알 수 있었다.

• Journal of the Korean Association of Geographic Information Studies
• /
• v.10 no.1
• /
• pp.169-182
• /
• 2007

The purpose of this study is to assess the urban amenity on physical environmental factors, and to verify the effectiveness of the amenity map using correlation analysis of the environmental quality. The physical environmental factors were set to 4 items of green space, landscape, water environment and land use, and the items were composed of 11 detail factors. Based on the factors, GIS maps were constructed and the amenity map was produced using overlay analysis. The results of this study are as follow; the proportion of 1~2 ranks was 40.8% of total area around Dalseong-gun, Dong-gu, Suseong-gu. The lower 6~7 ranks in the amenity assessment was 5.7% of total area around Jung-gu, Seo-gu, Dalseo-gu. According to the results of correlation analysis between the amenity and environmental observed data, $SO_2$ among the air pollution material had a negative correlation with amenity(r=-0.649, p<0.05). In case of water pollution, TN and TP had the negative correlations with amenity (r=-0.643, P<0.01; r=0.642, p<0.01).

• Transactions of the Korean Society for Noise and Vibration Engineering
• /
• v.17 no.9
• /
• pp.813-818
• /
• 2007

This study aims to know the effect of road traffic noise perception when the visual and aural information is added in a laboratory experiment. ME (magnitude estimation) and SD (semantic differential method) evaluation on the effect of visual and aural effect were carried out by 43 university students. As the result, up to 10 % of psychological reduction effect was shown under the 65 dB(A). As the noise level, it was analyzed that the vision affected about 7 dB(A) and sound affected 5 dB(A). However, if these two are given simultaneously, mainly sound affects to reduce the annoyance of noise and the vision next. Compared with the urban central circumstances, this effect (2 dB(A) under 65 dB(A) noise) was shown smaller than field test.

• Transactions of the Korean Society for Noise and Vibration Engineering
• /
• v.13 no.11
• /
• pp.890-896
• /
• 2003

It is said that the goal of the design of good acoustical environment is at first the reduction of undesirable sounds. and in addition the introduction of desirable sounds by which our minds are soothed. The task of creating the desirable sounds leads to the realization of a comfortable acoustic environment and the design of soundscape. It may be an important starting point of soundscape design to select suitable sounds for the target spaces. because each space has a different surrounding condition and requires a special ambient sound. This paper aims to survey preference of the environmental sounds suitable for the public spaces in urban areas such as parks. bus terminals. 35 kinds of natural sounds are. rated by 26 pairs of adjectives. The results of psycho-acoustic experiments are as follows. 1. The proper adjectives for expressing the environmental sounds are classified into 6 groups of comfort, pleasure, fullness. variety, distinctness. and naturalness. 2. Bird singing. murmuring of a stream, artificial sounds. singing of insects and animals are the affirmative rank of preference. 3. Green musics consisted of music and natural sounds are preferred to the pure natural sounds. 4. Sound level relative to background noise causes various preferences to natural sounds in public spaces.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
• /
• 2003.05a
• /
• pp.1010-1013
• /
• 2003

It is said that the goal of the design of good acoustical environment is at first the reduction of undesirable sounds, and in addition the introduction of desirable sounds by which our minds are soothed. The task of creating the desirable sounds leads to the realization of a comfortable acoustic environment and the design of soundscape. It may be an important starting point of soundscape design to select suitable sounds for the target spaces, because each space has a different surrounding condition and requires a special ambient sound. This paper aims to survey preference of the environmental sounds suitable for the public spaces in urban areas such as parks, bus terminals. 35 kinds of natural sounds are rated by 26 pairs of adjectives. The results of psycho-acoustic experiments are as follows. 1. The proper adjectives for expressing the environmental sounds are classified into 6 groups of comfort, pleasure, fullness, variety, distinctness, naturalness. 2. Bird singing, murmuring of a stream, artificial sounds, singing of insects and animals are the affirmative order of preference. 3. Green musics consisted of music and natural sounds are preferred to the pure natural sounds. 4. Sound level relative to background noise causes various preferences to natural sounds in public spaces.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.8 no.4
• /
• pp.853-860
• /
• 2007

In this modern era, human beings lead their life in complex environment where there are lots of parameters such as temperature, light, smell, sound, visual stimulus etc. that play important role for quality life. These parameters affect physical and mental behavior of a human being immensely. To ensure quality life the demand for quality products is always associated with human emotion and sensibility. Due to human sensibility and emotion involvement with quality life, the design stages of any kind of product must include some certain features related with emotion and sensibility. The cues for optimizing artificial environment are the physiological responses of human in that environment. The conventional approach of environmental physiology is to measure the relationship between environmental physical parameters and human psychological parameters under artificial conditions. Using that approach we tried to design an artificial environment for our daily lives and activities associated with both physiological and psychological behavior. We developed the technique to present the mock environment and software to measure and evaluate sensibility physiologically or psychologically and a simulator to measure and evaluate sensibility that can be utilized for large scale industrial production and design of environment. Simulator to measure and analyze human sensibility (SMAS) was constructed, which was utilized to estimate human sensibility and to simulate living and office environment.