Everyday listening

Why Does a Beard Make Lip Reading Harder?

You probably read lips more than you realize, even if no one ever taught you to. A moustache or full beard covers the exact part of the face your eyes rely on, and it happens without you noticing what went missing.

You are probably already reading lips

Lipreading is not a special skill some people with hearing loss learn and others do not. Most people pick up some of it just from living with hearing loss, whether they notice or not.

Your eyes fill gaps your ears leave behind. A tilt of the head, a widening of the lips, the shape a mouth makes right before a word starts — all of it adds information your brain uses.

That is why a phone call, a mask, or a dark room can suddenly make someone much harder to understand, even though their voice has not changed at all.

What a beard covers up

Some sounds are nearly impossible to tell apart by ear alone. P, B, and M are the clearest example.

The difference is in the lips. P and B come from pressing the lips together and popping them open. M comes from the lips staying closed while sound moves through the nose. Your ears pick up something close to the same sound for all three. Your eyes sort out which one it was.

A moustache covers the upper lip. A full beard can cover the whole lower half of the face, including the jawline, where movement is easiest to see. Once that is hidden, those sounds get much harder to separate.

This is not about the beard being a problem

None of this means anyone should shave. Beards are common, and plenty of people who wear them are glad to make a small adjustment once they know why it matters.

The fix is not asking someone to change how they look. It is asking for the things that make any conversation easier: good light, a closer distance, and a normal speaking pace instead of a loud one.

What to ask for

You do not have to explain the mechanics to get a better conversation. A few plain requests make the biggest difference.

Ask the person to face you directly, not from the side or over a shoulder

Move somewhere with light on their face, not backlit by a window

Stand or sit a little closer than feels natural at first

Ask them to slow down, not speak louder

Say plainly: "I read lips some, so it helps if I can see your mouth"

FAQ

Do I really read lips, even though no one taught me?

Almost certainly. Most people with hearing loss combine what they hear with what they see on someone's mouth, without anyone teaching them to and often without realizing it. It becomes obvious the moment that visual information disappears, like on a phone call or behind a mask.

Why are P, B, and M so easy to mix up by ear?

Those three sounds are made in almost the same place in the mouth, so they sound similar. P and B both come from a quick puff of the lips, and M comes from the lips staying closed with sound routed through the nose. Your ears hear something close to the same thing for all three, so your eyes usually settle which one it was.

Is it rude to tell someone I read lips?

No. Saying it plainly is one of the most useful things you can do in a conversation. Something like "I read lips some, so it helps if I can see your mouth" gives the other person a simple way to help, and most people are glad to know.

Should I ask someone to trim their beard so I can understand them?

That is a big ask for a small conversation, and it is usually unnecessary. Facing you directly and standing in good light solve most of the problem. Slowing down instead of shouting helps too, without anyone changing how they look.

Related reading

SoundSteps

Practice the sounds that look alike

Take the free listening check, then practice telling similar consonants apart by ear.

SoundSteps is designed for hearing training and practice. It is not intended to diagnose, treat, cure, or prevent any medical condition. Consult a healthcare professional for medical advice.