Abstract
The impact of domestic hospital acoustic environment on the health of patients and healthcare workers is attracting more and more attention. This paper investigated and analyzed the noise situation of typical double wards in hospital, and designed noise reduction schemes according to its noise sources; based on finite difference time domain method (FDTD), sound fields in wards were simulated before and after noise reduction treatments, and noise reduction results were compared and analyzed. Results show that FDTD can be used to effectively model sound field of wards with complex boundary conditions; meanwhile, the noise mitigation processes have significant effects on improvement of reverberation time and speech intelligibility in wards.
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