What is the average resonant frequency of the ear canal plus Concha?

The average resonant frequency of the ear canal plus concha is typically recognized to be around 2700 Hz. This resonant frequency is important in audiology and hearing aid fitting because it indicates where the acoustic properties of the ear canal and the concha enhance sound. At this frequency, the ear canal acts as a quarter-wave resonator, amplifying certain sounds and making them more perceptible to the listener.

Understanding the resonant frequency of the ear canal is crucial for designing hearing aids. Hearing aids need to take into account how sound travels through the ear canal and how the physical structure of the ear impacts the perceived sound. When a hearing aid is designed effectively, it can compensate for changes in frequency response due to this resonant frequency, resulting in improved sound clarity and quality for the user.

In the context of the other choices, while they represent frequencies that could be considered in discussion, they do not accurately reflect the established average resonant frequency for the ear canal plus concha, which is typically recognized as being closest to 2700 Hz.