Do You Also Find It Strange? That's Why We Hear Our Voice Differently in a Recording.

Do You Also Find It Strange? That’s Why We Hear Our Voice Differently in a Recording.

Written by Romário Pereira de Carvalho

Published on 11/07/2025 at 17:34

Updated on 11/07/2025 at 17:35

Muita gente estranha a própria voz gravada — e a ciência explica: o som captado pelo microfone é diferente do que ouvimos ao falar.

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What We Hear When Speaking Is Not The Same As What Comes Out In The Recording — And Science Explains Why Our Voice Sounds So Strange

Hearing your own recorded voice can be strange. Many are surprised by the sound and feel that it does not resemble what they are used to hearing. This discomfort is common and has a simple scientific explanation: the path that sound travels to the ear changes the way the voice is perceived.

Most sounds reach us through the air. When we listen to music, the sound of rain, or the speech of others, sound vibrations travel through the air to our ears.

The same happens with our recorded voice. In this situation, external sound enters through the ear, passes through the ear canal, and reaches the eardrum.

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This eardrum vibrates with sound and moves three tiny bones in the ear: malleus, incus, and stapes.

These bones, in turn, transmit the vibrations to the cochlea, an internal part of the ear. Inside, the auditory cells transform these vibrations into electrical impulses that are sent to the brain via the auditory nerve.

But that’s not all. When we speak, the sound also propagates inside our bodies. The vocal cords vibrate, and these vibrations spread through the throat, mouth, and skull bones.

This internal sound also reaches the inner ear, but in a different way: through bone conduction.

The combination of sound that comes through the air and the sound that comes from the bones generates a deeper, smoother, and fuller voice. It is this version that we hear when we speak.

In the recording, only the sound traveling through the air is captured, without the reinforcement from the skull bones. That is why the recording sounds higher-pitched and different from what we are used to.

The result is uncomfortable for many. The brain does not recognize that thinner voice as being yours. But that recorded voice is, in fact, the same one that others hear when you speak.

Additionally, each person’s voice is unique. Not even identical twins possess identical voices. This happens because the sound of the voice is influenced by physical characteristics, such as the size and thickness of the vocal cords and the shape of the throat.

Female vocal cords, for example, are smaller than males’, resulting in higher-pitched voices. Hormonal changes, especially during adolescence, also affect vocal tone.

The voice tends to remain stable during much of adult life. However, as the years go by, aging affects the vocal cords. They become thinner, drier, and weaker, which can change the sound of the voice.

In other words, the sound of your voice is in constant transformation — both inside and out.

With information from Tilt.UOL.

Do You Also Find It Strange? That’s Why We Hear Our Voice Differently in a Recording.

What We Hear When Speaking Is Not The Same As What Comes Out In The Recording — And Science Explains Why Our Voice Sounds So Strange

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Do You Also Find It Strange? That’s Why We Hear Our Voice Differently in a Recording.

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