Entries by Brenda Brown

The Forward-Referenced Interface

Tips and Tricks by Rick Chinn

Connecting computers into audio systems is one of those things that we are called upon to do more and more often these days. The obvious solution uses a cable with a mini-TRS on one … Read more

Reductions in Speech Modulation

By Pat Brown

The Speech Transmission Index is a measure of the reduction of speech modulation by noise and reverberation in the environment. The essence of this method of clarity evaluation can be made obvious by simply observing the time … Read more

How Loud is a Shuttle Launch?

By Pat Brown

How Loud is a Shuttle Launch? Pat Brown decided to record the space shuttle launch. He documented his findings in this article.

Our recent trip to Orlando for the NSCA show afforded us the opportunity to observe … Read more

Meaningful Metering for an Audio Waveform

By Pat Brown

There are at least three significant parameters that can be monitored for audio waveform – Peak, RMS and average. Pat explains each of them.

It is beneficial for the sound system operator to have some visual feedback … Read more

Dodecs for Pastry Chefs

By Peter Patrick

In this article, Peter Patrick provides the readers a better way to build dodecs.

We’ve published several features in recent years regarding the dodecahedron loudspeaker. Dodecs are useful for a number of different acoustic measurements. Excellent models Read more

Low-Frequency Directivity and Arrays

By Pat Brown

This article is an attempt to quantify the theory and application of low frequency arrays for sound reinforcement applications.

The lack of low frequency directivity is a problem that plagues many sound systems. It is usually manifested … Read more

Absorption Coefficients Clarification

By Pat Brown

Pat Brown helps the reader understand more about absorption coefficients.

A recent Syn-Aud-Con listserv thread brought out some interesting facts about absorption and absorption coefficients. A common definition of the unit of absorption, the Imperial Sabin, is … Read more