Entries by Pat Brown

Fixing the Drywall Box

A low budget solution to a common acoustical problem

Theory and Practice – By Dale Shirk

With today’s financial pressures, many churches and schools are trying to build their facilities as inexpensively as possible. Almost invariably, this leads to the … Read more

Lessons from the RF Analyzer

Theory and Practice – Dale Shirk

Dale uses his HP RF analyzer to demonstrate some wireless mic issues that audio people must deal with everyday.

Years ago the audio professional didn’t have to deal with many RF devices, mainly just … Read more

The Room Reverberation Time – RT

by Pat Brown
 

The reverberation time is a basic “one number” measure for characterizing a room’s acoustic behavior.

I’ve written much on the RT in the past. Richard Honeycutt’s article on reverberation formulas prompted me to revisit the topic and … Read more

And Another Loudspeaker Array Study

By Pat Brown

This is the latest of a series of measured vs predicted comparisons that Pat Brown conducted on various loudspeaker array types.

Loudspeaker arrays are very difficult to measure. They are large, heavy, and difficult to rotate about … Read more

Book Review: Riding the Waves

On the shoulders of Giants – By Don Davis

A Book Review: Riding the Waves – A life in Sound, Science, and Industry by Leo Berank

At a still vigorous 93 years, this book relates his triumphs, tragedies, and the

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EASERA SysTune

By Charlie Hughes

Charlie gives an overview and capabilities of Easera Systune.

EASERA SysTune™ is a relatively new, patent pending audio measurement program from the Ahnert Feistel Media Group (AFMG). It is designed for real-time analysis of acoustic signals and … Read more

B-Format Microphone Goes Mainstream

Tools of the Trade – By Pat Brown

Pat Brown gives an overview of the B-Format microphone and its capabilities.

An ongoing dilemma for those doing room acoustics measurements is the choice of microphone pattern. Omni’s are most accurate, but … Read more