Impulse noise

December 1, 2025

12/1/25

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Nyquist Team

Acoustic dictionary

Impulsive noise is like a whip strike. It is insidious because it lasts for fractions of a second, but it destroys hearing cells.

Professional Definition
> Impulse noise – consists of sounds that rise sharply (below 1s).

The key parameter is the peak level C ( LCpeakL_{Cpeak}LCpeak​

). Standard meters often underestimate it.

## Acoustics in Simple Words
Regular noise is pushing a car, impulse noise (gunshot, press) is striking with a hammer. The ear cannot "shield" itself from such a rapid attack.

## Summary
Exceptionally dangerous, it bypasses the ear's natural defense mechanisms.

Nyquist Team

The Nyquist team is a group of enthusiasts in acoustics, design, and technology who combine engineering knowledge with aesthetic sensitivity every day. We create solutions that improve acoustic comfort and give spaces a unique character. On the blog, we share our experiences, knowledge, and inspirations drawn from our daily work on projects carried out across Poland and abroad. We believe that good acoustics is not just a technique – it’s a way of creating spaces where one simply enjoys being.

Nyquist Team

The Nyquist team is a group of enthusiasts in acoustics, design, and technology who combine engineering knowledge with aesthetic sensitivity every day. We create solutions that improve acoustic comfort and give spaces a unique character. On the blog, we share our experiences, knowledge, and inspirations drawn from our daily work on projects carried out across Poland and abroad. We believe that good acoustics is not just a technique – it’s a way of creating spaces where one simply enjoys being.

Nyquist Team

The Nyquist team is a group of enthusiasts in acoustics, design, and technology who combine engineering knowledge with aesthetic sensitivity every day. We create solutions that improve acoustic comfort and give spaces a unique character. On the blog, we share our experiences, knowledge, and inspirations drawn from our daily work on projects carried out across Poland and abroad. We believe that good acoustics is not just a technique – it’s a way of creating spaces where one simply enjoys being.

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Periodic sound

In the chaos of the sounds surrounding us – the rustle of the wind, the buzz of the street, or the cracks – our brain has an extraordinary ability to catch order. It is this order that makes us perceive some sounds as "musical," pure, and pleasant, while others are perceived as formless noise. The key to this harmony is repetitiveness, which is a feature that defines periodic sound.

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Periodic sound

In the chaos of the sounds surrounding us – the rustle of the wind, the buzz of the street, or the cracks – our brain has an extraordinary ability to catch order. It is this order that makes us perceive some sounds as "musical," pure, and pleasant, while others are perceived as formless noise. The key to this harmony is repetitiveness, which is a feature that defines periodic sound.

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Reflected acoustic wave

What happens at the moment the wave collides with the wall determines whether we hear an echo or silence.

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Reflected acoustic wave

What happens at the moment the wave collides with the wall determines whether we hear an echo or silence.

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Sound insulation

How effectively a wall "stops" sounds and prevents them from traveling further.

Acoustic dictionary

Dec 12, 2025

Periodic sound

In the chaos of the sounds surrounding us – the rustle of the wind, the buzz of the street, or the cracks – our brain has an extraordinary ability to catch order. It is this order that makes us perceive some sounds as "musical," pure, and pleasant, while others are perceived as formless noise. The key to this harmony is repetitiveness, which is a feature that defines periodic sound.

Acoustic dictionary

Dec 10, 2025

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