Otometry Instruments

Additional Historical Information Related to Fitting Hearing Aids Using Otometry Test Equipment Otometry was based on sound pressure measurements and a damped wavetrain signal (DWT).  Because of this, instruments had to be devised to make these measurements.  An instrument was required to generate and deliver the damped wavetrain signals at the sound pressures required for different…

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Hearing Aid Dispensing – Part VII

This blog is a continuation of a series describing events that shaped hearing aid dispensing channels in the U.S. The last blog ended by stating that some audiologists decided to become engaged in the sale of hearing aids, with or without ASHA (American Speech and Hearing Association) sanctions. Unfair Practices Concerns Hearing aid dealers had been…

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