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Sabyasachi Patra's Dairy

experiences on photography and wildlife conservation.

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Updated 1 Year Ago

Blog by Sabyasachi Patra
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Hearing Test

Updated 1 Year Ago

By Sabyasachi Patra

Hearing Test Do you have Perfect Hearing? These days very rarely people have perfect hearing. Human hearing range is from 20Hz to 20KHz. Most of the times we lose out on hearing the top end. […]