Techint & Articles

VSAC in the EV Era : An Acoustic Testing Environment for the Age of Electrification

The Quieter It Gets, the More the Noise Stands Out — Acoustic Challenges in the EV Era In conventional gasolin...

Which ISO Standard Should You Use for Measuring Sound Power Levels (PWL)?

When measuring the sound power level (PWL) of acoustic devices or products, choosing the right ISO standard de...

Welcome our global distributor #6 : Haruko MINAMI, Advisor

This was the last day of training for our North American distributor, DMC, at Sonora’s head office in Tokyo.Ou...

Understanding ISO 3745 in 5 Minutes: Essential for Acoustic Testing and Quiet Product Design

As quiet design becomes increasingly important in product development, the international standard ISO 3745 is ...

Design Requirements for Anechoic and Hemi-Anechoic Chambers

Room Size, Absorption Performance, and Sound Source Placement According to ISO Standards Anechoic and hemi-ane...

The Temple Where You Can Hear a Dragon’s Roar: The Tale of the “Roaring Dragon”

“At the very spot beneath the dragon’s head painted on the ceiling, if you strike clappers, the dragon r...

Tinnitus and Discomfort in Anechoic and Soundproof Rooms

Why Do We Experience Discomfort or Tinnitus in These Spaces? Anechoic and soundproof rooms are designed with s...

Is the Human Body a Sound Absorber?

The Relationship Between Sound and Humans in Concert Halls and Anechoic Chambers In the field of acoustic desi...

Welcome our global distributor #5 : Haruko MINAMI, Advisor

What is your secret pleasure during the business trip? Enjoying local gourmet cuisines? When our North America...

Welcome our global distributor #4 : Haruko MINAMI, Advisor

Shinjuku-Kabukicho… As you can see in the above-attached picture, there is no tree in the landscape seen throu...