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The study presents the effect of road traffic noise on soundscape of Deekshabhoomi stupa, a Buddhist monument in city of Nagpur, Maharashtra, India. Deekshabhoomi stupa is considered to be one of the largest hollow Buddhist stupa in the world used for meditation and chanting purpose. The acoustical behavior of the space is unique for such religious activities, with reverberation time of 9.7 s in unoccupied condition. The study aims to identify the soundscape condition for chanting and meditation required by the monks and how the traffic noise impacted the soundscape of the Deekshabhoomi stupa. The study includes in situ measurement at the stupa in occupied and unoccupied condition, followed by development of virtual simulation model. Virtual model was validated by in situ measurements and used for simulations. The traffic noise in the study area was recorded and its impact was analyzed using virtual model. Further, user’s perception was measured in terms of annoyance though subject survey, to determine the various contributing acoustical and non-acoustical parameters.
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