Why noisy restaurants wear me out, and the test that finally measured it
The beep test said my hearing was mild to moderate. That didn't match how I felt after a Friday fish fry at the VFW hall. I'd come home with a headache, irritable, and with no idea what half the table had talked about. Mild didn't seem like the right word for that.
It turns out the beeps don't measure the thing that was wearing me out. Understanding speech in a noisy room is its own skill, it has its own test, and it explains why plenty of people with "only mild" hearing loss avoid restaurants altogether.
Hearing versus understanding
A standard hearing test plays pure tones in a soundproof booth. It tells you the quietest sound you can detect at each pitch. That's useful, but nobody lives in a soundproof booth, and nobody talks in pure tones.
Real conversation means pulling one voice out of a background of other voices, clattering plates and music. That depends on hearing the quiet high-pitched consonants that carry meaning, and on the brain's ability to separate sounds and fill gaps. Hearing loss makes the first part harder, and so the brain works overtime on the second. The NIDCD's explainer on how we hear is a good primer on the ear-to-brain chain if you want the background.
The test that measures it
At my second appointment the audiologist ran a speech-in-noise test called the QuickSIN. I'd never heard of it. It was developed in 2004 by a team led by Mead Killion, and the original paper in the Journal of the Acoustical Society of America describes it well.
You listen to a woman reading sentences while four other people babble in the background, and you repeat what she said. Each list has six sentences. With every sentence the voice gets quieter compared with the babble.
Signal-to-noise ratio: how many decibels louder the talker is than the background babble. At 0 dB they're equally loud.
| Sentence | Voice louder than babble by |
|---|---|
| Sentence 1 | 25 dB |
| Sentence 2 | 20 dB |
| Sentence 3 | 15 dB |
| Sentence 4 | 10 dB |
| Sentence 5 | 5 dB |
| Sentence 6 | 0 dB |
Source: Killion and colleagues, Journal of the Acoustical Society of America, 2004.
The score is the signal-to-noise ratio you need to get half of the key words right, compared with what people with normal hearing need. The difference is called SNR loss. One list takes about a minute, and the paper reports it's accurate to within about 2.7 dB.
My SNR loss was worse than my audiogram suggested. In plain terms: to follow a conversation, I needed the person talking to me to be noticeably louder than the room, more so than a typical listener does. At the VFW on a Friday, the room is never quiet enough for that.
Why it's so tiring
When the ear sends the brain an incomplete signal, the brain guesses. It uses context, lip movements and what it expects someone to say. That works, mostly, but it takes effort. Do it for two hours and you're spent.
I'd always thought of the tiredness as a personality flaw, that I was getting antisocial in my old age. It was a hearing problem. And there's a bigger reason to take that effort seriously. Researchers have been studying whether years of straining to hear might affect memory and thinking, and this overview of the link between hearing loss and memory explains what's known and what isn't. Reading it was what finally got me to wear my hearing aids all day instead of saving them for concerts.
What actually helped in restaurants
Hearing aids helped, especially the restaurant program, which favors sound from in front of me. But the habits made nearly as much difference, and they cost nothing.
| Habit | Why it helps |
|---|---|
| Sit with your back to the wall or the noisiest part of the room | Puts the noise behind you and the faces in front |
| Ask for a booth or a corner, away from the kitchen and speakers | Soft seats and walls absorb some of the clatter |
| Face the light, so it falls on other people's faces | Lip-reading fills in the consonants you miss |
| Go early or late, not at peak hour | The noise floor can drop a lot in an hour |
| Pick the person you most want to hear and sit across from them | One clear voice beats catching pieces of four |
| Tell people you have hearing loss | They'll face you and slow down, and most don't mind at all |
| Take a break outside if you're flagging | The effort adds up; a few minutes of quiet resets it |
The American Speech-Language-Hearing Association's hearing aid page also covers the accessories that help in noise, like remote microphones you can set in front of the person talking. I haven't tried one yet. Our church friends' table at the fish fry might be the place to start.
Hosting at home
The other half of my social life happens around my own dining table, and I have more control there. A tablecloth and a rug cut the clatter noticeably. So does turning the music off once people sit down to eat, which I resisted for years because I'm a music person. Six people around a round table is easier than eight around a long one, because nobody ends up at the far end. And I seat myself in the middle of a long side with the window behind me, so the light falls on everyone else's face.
None of this is complicated. It's the same thinking I used to arrange a band so the sections could hear each other. You put the quiet instruments where they won't be buried, and you don't seat the flutes in front of the tubas. A dinner table is just a very small ensemble, and it deserves the same care.
What doesn't help much
Turning the hearing aids up. Louder babble is still babble, and it makes the whole room harsher. Pretending to follow along and nodding, which I did for years, is worse, because you answer questions nobody asked.
I also looked into whether anything natural could help with understanding speech in noise. Some lifestyle factors matter for the ear in general, like managing blood pressure and not smoking, and this summary of natural treatments for hearing loss and what the research shows is honest about which ones have evidence. None of them fixes a noisy room. Seating and hearing aids do most of the work there.
A note to my former students
You're going to play in loud rooms for years. Wear musician's earplugs at rehearsal. They cut the volume evenly across pitches, so the band still sounds like the band, just quieter. I didn't, and now I'm the guy asking the waiter to repeat the specials.