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Category: Directional hearing

OTC Hearing Aids and PSAPs

Wayne Staab 1 Comment AGC / Amplification / Audiogram / Directional hearing / Disposable hearing aid / Hearing / Hearing aid / hearing aid user / Hearing aids / hearing impaired / Hearing loss / Hearing professionals / KEMAR Manikin / OTC / OTC hearing aids / PSAPs / RIC / SNR / Tone hearing thresholds

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…

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How Important Is Sound Localization?

Wayne Staab Leave a comment Binaural summation / Directional hearing / Facilitation in noise / Head shadow effect / Hearing / Interaural / Interaural intensity difference / Interaural loudness difference / Lateralization / Localization / Loudness squelch / Masking level differences / 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…

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