Latest Market Survey on Global Hearing Aid Industry Growth, Research and Analysis Report Share 2014
People are said to suffer from hearing loss when they have diminished sensitivity to the sounds that are normally heard by others. In speech frequencies, certain people have relative insensitivity to sound. Such situation is termed as hearing impairment. The increase in volume above the usual sound levels necessary before the listeners can detect it determines the severity of hearing loss. There are three types of hearing loss: Conductive, Sensorineural and Mixed hearing loss. The hearing losses according to the...
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