Techint & Articles

How quiet is inside an anechoic box?

An anechoic box is an acoustic measurement box with a high sound insulation box. It is mainly used to measure ...

Japan’s First? Acoustic measurement in an semi-anechoic chamber with an environment of 200°C difference (-50°C～+150°C)

Sonora delivered a constant temperature semi-anechoic chamber to a certain automobile manufacturer in 2011.* E...

Why Anechoic Chambers from Overseas Do Not Sell at All in Japan?

In 2009, Sonora Technology ran a booth at the Automotive Testing Expo in Stuttgart, Germany, in order to see t...

Issues on anechoic chambers manufactured by other manufacturers -2

An anechoic chamber was delivered by one certain another company to the university B in Indonesia, and Sonora ...

China’s Face-Saving Project ~ Mianzi Gongcheng “面子工程” ~

In this article, I’d like to talk about one anechoic chamber in China.I had an opportunity to visit an anechoi...

Issues on anechoic chambers manufactured by other manufacturers -1

An anechoic chamber was supplied by a German anechoic-chamber manufacturer to a Chinese automobile development...

Sound Power Anechoic Chamber (SPAC)

Measures the total amount of acoustic energy in the air radiated from the product (object to be measured). Sou...

Electroacoustic Anechoic Chambers (EAAC)

Measurement of audio devices: earphones, headphones, speakers, microphones, car navigation systems, hearing ai...

The performance measurement methods of anechoic chambers in China ~ widespread lies ~

Improper measurement method -vol. 1 One of our Chinese customers requested that they wanted to modify their ex...

New sound absorbing material BF series

At Sonora, we are constantly developing sound absorbing materials. We would like to introduce the BF series, t...