Selected article for: "level noise and occupied state"
Author: Cho, Wan-Ho; Jeong, Cheol-Ho; Chang, Ji-Ho; Lee, Seong-Hyun; Park, Moo Kyun; Suh, Myung-Whan; Han, Jae Joon
Title: Noise and Room Acoustic Conditions in a Tertiary Referral Hospital, Seoul National University Hospital
  • Document date: 2019_4_10
    • ID: tqos2539_20
    Snippet: In the single patient room, the background noise level with all doors and windows closed was 37 dBA. With the windows open, the background noise level went up to 50 dBA due to the construction noise outside the building although the room was unoccupied. In the 6 patient room, with 8 people in an occupied state, LAeq was 47 dBA, which was regarded surprisingly quiet. Table 2 shows the reverberation times. In the operating room, the spatially avera.....
    Document: In the single patient room, the background noise level with all doors and windows closed was 37 dBA. With the windows open, the background noise level went up to 50 dBA due to the construction noise outside the building although the room was unoccupied. In the 6 patient room, with 8 people in an occupied state, LAeq was 47 dBA, which was regarded surprisingly quiet. Table 2 shows the reverberation times. In the operating room, the spatially averaged EDT over 5 measurement positions was lower than 0.6 s from the 125 Hz to 4 kHz octave bands. At the examination room, the reverberation time T20 in an empty condition was measured to be lower than 0.5 s. In the single patient room, the reverberation time T20 was measured to be reasonably low as indicated in Table 2 .

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