Direct acoustic wave

November 30, 2025

11/30/25

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Nyquist Team

Acoustic dictionary

There is one component of sound that reaches the ear first, carrying precise information about the location of the source.

Professional Definition
> Direct sound wave – a wave that reaches the observation point directly from the source, without reflections or diffraction.

In free field, only it occurs. Its level decreases by 6 dB with each doubling of distance.

## Acoustics in Simple Words
It's the light from a flashlight that directly enters your eyes. It allows you, with your eyes closed, to point out: "there stands the speaker."

## Summary
Crucial for locating the sound source and clarity of sound.

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.

See also

Sound insulation

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

Acoustic dictionary

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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

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

Reflected acoustic wave

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

Acoustic dictionary

Dec 10, 2025

Reflected acoustic wave

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

Acoustic dictionary

Dec 10, 2025

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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