I have moderate hearing loss (60db) in the mid-ranges. Before buying HAs I noticed while driving one day that upon gently clearing my eustachian tubes I suddenly could hear my turn-signal clicker. I did not have a cold or stuffy nose at the time, nor was I changing elevation; I simply held my nose and gently blew.
Upon further experimenting I discovered that conversations conducted under difficult conditions were much more intelligible if I performed this action, or if I just did an ear-clicking (closed-mouth) 'yawn ’ every 20 or 30 seconds.
After buying my new Siemens Intuis (vented) cic hearing aids I found that I could still utilize this action to further enhance conversational understanding and temporarily increase perceived volume. I’m wondering if others have discovered this effect, and whether any audiologists out there have heard similar comments from patients.