Some feedback on… feedback!
It has been 11 years since I last wrote about feedback, so I thought it was time to return to that topic. Most of us have memories of the sound of a hearing aid squeaking loudly in church. Many times, the actual feedback tone was at a high frequency the person wearing the hearing aid could not hear. Those nearby were embarrassed for the one with the whistle and many came away from this memory with the firm resolve to never wear hearing aids “if it was going to sound like that and I was going to look like that I won’t.” It was a common reaction. The good news is that a great ...