A 6000 Hz tone must have what sound level to seem as loud as a 100 Hz tone that has a 50 dB sound level? - Quora
Understanding Your Hearing Test - Hearing Industries Association
6000 Hz Test Tone 1 Hour - YouTube
Hearing Test - Apps on Google Play
Audiology Research | Free Full-Text | Congenital Nonprofound Bilateral Sensorineural Hearing Loss in Children: Comprehensive Characterization of Auditory Function and Hearing Aid Benefit