Db levels

Kender

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What are the Db levels of hearing loss that define the categories, mild/moderate/profound. I know that Db levels are different for different frequencies depending on the person but if you isolate just one frequency and look at the loss at that freq. the db level would fall into a specific category.
 
degreesoflossna1.jpg
 
What are the Db levels of hearing loss that define the categories, mild/moderate/profound. I know that Db levels are different for different frequencies depending on the person but if you isolate just one frequency and look at the loss at that freq. the db level would fall into a specific category.

Perhaps consulting an audiology text book would help you.
 
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