Techint & Articles

The principle of mass does not serve as the basis for calculating sound insulation

To achieve soundproofing, heavy materials must be used. This is often said, but it is based on the principle o...

ISO 20908:2023 – Tyre sound emission test

ISO 20908:2023 – tyre sound emission test was published in 2023 as a method of indoor noise testing. ISO...

Introducing iwasemi™, a sound absorbing material developed by Pixie Dust Technology

This is our modular fully anechoic chamber that we delivered to Pixie Dust Technology (PxDT).PxDT is developin...

Benefits of Low Ambient Noise and Why It Can Be Detrimental

If you’re entering the field of acoustics, you’ve likely heard the term “ambient noise,̶...

Inverse Square Measurement System in an Anechoic Chamber

In an anechoic chamber, to verify the absorption characteristics (compliance with the inverse square law), mea...

Wind Tunnel Testing Facility + Anechoic Chamber

In recent years, projects combining wind tunnel testing facilities with anechoic chambers have been increasing...

Semi-Anechoic Chamber Exhaust System

When operating vehicles inside a semi-anechoic chamber, there is a challenge of exhaust emissions from the veh...

Heavy Duty Door Hinges

Sonora’s soundproof doors are quite heavy, so naturally, the hinges (or hinges) designed for these doors...

Absorption Coefficient of Acoustic Wedges: Comparison Between Impedance Tube and Reverberation Chamber Methods

In this article, I’d like to explain the absorption coefficient of acoustic wedges. There are actually t...

Anechoic chamber walkway (grating)

In an anechoic chamber (fully anechoic chamber), a grid like the one shown in the photo is installed on the in...