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The defect of ___________ results in confusion with the sound created next.

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The defect of ___________ results in confusion with the sound created next.

(a) Echoes

(b) Sound foci

(c) Dead spots

(d) Reverberation

I have been asked this question during an interview.

My query is from Acoustics in portion Acoustics and Ventilation of Construction & Building Materials

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The correct option is (d) Reverberation

The explanation: The defect of excessive reverberation is very common in many auditoriums. The effect is that the sound once created prolonged for a longer duration resulting in confusion with the sound created next. The remedy of this defect is to correct the time of reverberation by suitably installing the absorbent materials.

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