A study on the improvement of occupants satisfaction for the sound environment when the sound source of soundscape is provided to the interior landscape

Abstract

The purpose of this study was analyze the influence of a soundscape in the interior landscape on the improvement of the sound environment from the perspective of the occupants. When a soundscape was provided together with an interior landscape rather than simply providing an interior landscape, the occupants' satisfaction seemed to be improved. The most preferred sound source among the three sound sources was the sounds of crickets chirping. When both the interior landscape and the landscape substances were provided, the adjectives with the average difference of more than 1 are "Vicissitudinous", "Elegant", and "Cheerful". When the interior landscape and the sound source were provided, such adjectives as "Vicissitudinous", "Complex", and "Cheerful" were extracted. When all the variables were provided, such adjectives as "Vicissitudinous", "Abundant", and "Cheerful" seem to show the difference of more than 1. Regarding "Vicissitudinous", it was possible to know that the average difference of more than 1.5 was the biggest. Regarding the relative values of the a wave and the β wave for each part, it seemed that the highest a waves were generated in the left parietal lobe of P3, while the lowest β waves were generated in the left and right frontal lobes of Fp1 and Fp2. According to this study, it was shown that soundscape and the interior landscape seemed to influence the improvement of the occupants' sound environment. Copyright © (2011) by the International Institute of Acoustics & Vibration.