Blog

Loudspeaker Manufacturing Testing

How to objectively test a high-end audio system?

When talking about high-end audio systems, what comes to mind are incredible sound reproduction and reliability; an ultimate sound experience. What would we like to take for granted? That the best materials are being used. How we feel about the sound we hear is down to personal taste – a subjective judgement. On the other hand it is necessary to create objective tests that produces reliable, comparable and traceable results. This is how we do it.

... continue reading.
Laefmax and Laeq Report Know How

What do LAeq and LAFmax mean?

LAeq and LAFmax and are a couple of the many labels used to describe sound and noise level values. But what exactly do they mean? Here I’ll provide a basic explanation of the most commonly-used of these labels. Let`s get started shall we?

... continue reading.
Loudspeaker-Testing Testing

How do I test the quality of the loudspeakers…

Recently, the LIS2017 magazine published my article about Quality Control EOL testing of acoustic devices. This inspired me to share the information in this blog. I divided the topic into two articles. An understanding of the basics and careful planning will prevent you from having to struggle in the latter stages. In this first part I will guide you through the design and preparation of the test and the test environment. The second part will cover system calibration & maintenance.

... continue reading.
Exhibition Hall Measurement

Easy measurement of STI

There’s a lot of stuff online about STI and STIPA measurement. This article serves to provide a simple summary of everything you need to know in order to measure and determine the intelligibility of speech through a public address system. I recorded a webinar on this subject. This post is an excerpt of that video

... continue reading.