Online Training – The Time Has Come
I can vividly recall making the statement, “I will never have a blog.” I am not certain that I fully understood what a blog is/was at the time. We have all learned the foolishness of saying “never” and I will
Entries by Pat Brown
Take a walk in Loudspeaker Park with me – Part 4
Campbell’s Corner – By Dick Campbell
A bunch of kids are running though Loudspeaker Park from the electric to the acoustic end. Near the end they come across a huge piece of sewer pipe lying off to one side. Some … Read more
Using Limiters to Help Protect Loudspeakers
By Charlie Hughes
In this article, Charlie Hughes will help you understand how limiters can be used to provide protection from over excursion.
Using limiters to protect loudspeakers is nothing new. In many applications a limiter is placed immediately in … Read more
Target SPL and Required Amplifier Size
By Charles Hughes
This article touches on two things: The required amplifier size so that a given loudspeaker may achieve a target SPL and caution that must be used when driving loudspeakers with the very large amplifiers.
In a previous … Read more
A Do-it-Yourself Guide to Computing the Speech Transmission Index
By Farrel Becker
In this article, Farrel Becker shares the steps required to compute the Speech Transmission Index (STI) from a measured impulse response.
The Speech Transmission Index (STI) is a method of measuring speech intelligibility in noisy and/or reverberant … Read more
Piezo Magic – Accurate Gain Structure Using a Common Device
By Pat Brown
Pat Brown will show you a way to set gain structure by using a piezo tweeter.
In order to set the gain structure of a signal processing chain properly, it is necessary to determine when each device … Read more
Acoustic Measurements Without Computers
By Pat Brown
In this article, Pat Brown shows how to record acoustic measurements without a computer and get better data.
It is difficult to describe how something sounds. The terms are vague and subjective, and often have different meanings … Read more
Early Decay Time – Wrap Up
By Pat Brown
In this article, Pat Brown addresses some subtleties regarding early decay time calculation and significance.
The Spring installment of our Newsletter featured an exposé on the Early-Decay Time and its relevance to the design of a sound … Read more
Build Your Own Dodecahedron Loudspeaker
By Pat Brown
In this article, Pat Brown discusses the uses of a dodecahedron loudspeaker and how to build one.
A polyhedron is a multi-sided three dimensional shape. A dodecahedron is a 12-sided polyhedron, each side being a pentagon. A … Read more