OTC Hearing Aids and PSAPs

This post continues the comments by many hearing professionals expressing concerns that OTC hearing aid sales will result in dissatisfied users because: The instruments are not professionally fitted An audiogram is necessary OTC-sold devices (previously/also defined as PSAPs) are of poor quality and will not meet the needs of the hearing impaired, and Poor experiences…

Read More

How Important Is Sound Localization?

Part II of a Series on the Use of Two Ears for Hearing In a recent post, I wrote about hearing with two ears, and listed the following among the major phenomena involved: Head shadow effect Sound localization Loudness squelch Facilitation in noise (masking level difference) Binaural summation Collectively, these phenomena result in at least…

Read More