The seminar which took place on the 29th Nov. 2016 highlighted the fundamentals and terminologies being used in room acoustics. The sound pressure, sound power and sound intensity have been defined with examples, the sound pressure levels, sound power levels as logarithmic relations have been derived as values measured in dB. The loudness, sound criteria NC and sound rating NR curves have also all been discussed together with their applications in various places. The room acoustics as related to interior and architecture engineering were explained in relations to sound transmission, distribution, sound propagations, sound reverberations and how the wall rigidity and wall materials influence on the noise attenuation. The seminar was concluded with detailed descriptions of the noise generated by the Air Handling Unit AHU as major source of noise in built environment, the means to attenuate such noise and silencer selection to curb such noise have been thoroughly explained. The seminar lasted around 90 minutes that included presentations and questionnaires.
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