Sidetone, and Hearing Your Own Voice

If you have been told you talk loudly on calls, this is usually why. A sealed earcup removes the air path your own voice normally takes to your ears, leaving only the one through your skull — so you sound muffled to yourself and raise your volume to compensate.

Sidetone puts a small amount of your microphone back into your ears to cancel that instinct.

A note on this guide: this rests on how the occlusion effect works and how sidetone is implemented, rather than on headsets measured here. See how we test.

The problem, as it appears

You put a headset on and start speaking, and something feels off. Your voice sounds like it is happening inside your head rather than in the room.

Nobody mentions it, because it is not audible to them. What is audible to them is that you are louder than you were — and after an hour, that you sound tired.

Why turning the microphone up disappoints

Because the problem is not on the way out, it is on the way in.

Normally you hear yourself two ways at once: through the air, arriving at your ears like any other sound, and through your own bone conduction. Cover your ears and the first path is largely removed while the second is untouched, so what remains is the low, internal, muffled version.

Your brain then does something reasonable and unhelpful: it raises your speaking volume until you sound normal to yourself. Everyone on the call hears the result.

No microphone setting fixes this, because nothing about the outgoing signal is wrong.

What actually matters

Sidetone replaces what the seal removed

The fix is to feed a small amount of your microphone back into your own earcups, quietly and immediately.

That is all sidetone is. It restores the missing air path in the only way available, and the effect on most people is immediate — speaking feels normal again and volume settles without any conscious effort.

It should be subtle. Sidetone loud enough to notice as a feature is set too high; the correct level is the one where you stop thinking about how you sound.

Latency ruins it, and a delayed version is worse than none

This is the part worth understanding before troubleshooting.

Fed back promptly, sidetone is indistinguishable from hearing yourself. Delayed by more than a few milliseconds, it becomes your own voice arriving slightly behind you — and that is genuinely disruptive to speech, to the point where it is used deliberately in research to interfere with fluency.

So a software implementation with a long audio path can be actively worse than nothing, and the correct response is to turn it off rather than to persevere.

Hardware and software implementations are different products

Some headsets mix it at the device, which is the low-latency version. Some do it in their companion software, which may be fine or may be delayed. Some do not offer it at all.

Support is inconsistent and often undocumented in listings, so the manual is a better source than the product page — and the fastest practical test is to put it on and speak.

Open backs largely avoid the problem

An open-back headphone leaves the air path to your ear substantially intact, so your voice still sounds broadly right and the compensating instinct never triggers.

That is a real advantage for anyone on calls all day, and it comes bundled with an equally real cost: the same openness lets the room in and lets your audio out, which is the whole argument in open versus closed back in a shared room.

Pads change the seal, and the seal is the cause

Worth knowing before buying anything: how completely the earcup seals determines how much of the air path is removed.

Worn, hardened pads seal differently from new ones — usually worse, which incidentally reduces the occlusion effect while also degrading the sound. Replacing pads changes both, and it is the cheapest variable in this entire topic.

The options, and who each suits

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Turning on the sidetone you already have suits most people, and costs nothing. Check the device's control software before concluding the feature is absent.

A headset with proper sidetone suits anyone on calls daily who has been told they speak loudly. Confirm it in the manual rather than the listing, and prefer an implementation done at the device.

A separate microphone with open-back headphones suits a private room, and sidesteps the problem rather than solving it — you can hear yourself because your ears are not sealed.

New ear pads suit a headset that used to be comfortable, and they change seal, tone and comfort together for very little.

A DAC or interface suits a symptom — insufficient volume or audible hiss — and many interfaces offer genuinely zero-latency hardware monitoring, which is the best version of this feature.

The mistake to avoid

Assuming you are loud because your microphone is bad. The outgoing signal is usually fine, and adjusting gain or buying a better microphone changes nothing about how you hear yourself — which is where the behaviour originates. Fix the return path, not the send.

The second mistake is leaving a laggy software sidetone switched on because the feature is supposed to help. If your own voice arrives behind you, it will interfere with your speech rather than steady it, and turning it off is the correct move — the same principle as mute that actually mutes: what the setting is called matters much less than what the audio path is actually doing.