Entries by Brenda Brown

Human Processing of Reflected Sound

A response to “Reverberation Time – What Could Be Simpler?”
By Steve Barbar

This is another perspective on the significance of reverberation time and early-decay time, and the relationship between the two.

I must preface the following with the acknowledgment … Read more

Constant-Beamwidth Transducer (CBT) Arrays

By Pat Brown

This introduction to  Constant-Beamwidth Transducer (CBT) Arrays technology will get you thinking about possible applications.

We were pleased to have D.B. Keele, Jr. as a guest speaker at the recent Sound Reinforcement for Designers seminar in Louisville, … Read more

Lakewood Church Revisted

Tools of the Trade – By Pat Brown

Lakewood Church room impulse responses allow you to listen to the space, analyze the data, and take a virtual visit to one of the best-behaved arena-sized spaces in the world.

A Missed

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Origins of Preferred Numbers

On The Shoulders of Giants – By Don Davis

Don Davis shows how to calculate the ISO fractional octave center frequencies.

Joseph Sauveur, 1653 – 1716, divided an octave, i.e., a 2/1 ratio, into 43 equal parts which he named … Read more

Gauss's Law and the Electrostatic Field

By Dr. Eugene Patronis

The concept of the electric field may be hazy to some readers so we will begin by reviewing some fundamentals. I am assuming that everyone is familiar with the fact that electric charge exists in two … Read more

Integration Convergence and the Future of the World

By Brad Nelson

Brad Nelson clarifies the concepts of integration and convergence.

There is a great deal of confusion over the concepts of integration and convergence. One company may call themselves “system integrators,” while another might use the moniker “convergence … Read more

Impulse vs. Sine Sweep Response

 
On the Shoulder of Giants – By Don Davis

What’s the best way to get room data? Some advocate impulsing the room with balloons or starter’s pistols. Others prefer using swept sine waves. Don sheds some light on this old

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