Category Archives: Acoustics

A Detailed Explanation Of The Aux-Fed Subwoofer Technique

Over the past several years, a technique most commonly called “aux fed subs” has been developed for reducing low-frequency “muddiness” from front-of-house loudspeaker systems… [Full Article]

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Some people are confused by the subject of phase. This article will help.

One of the most confusing topics in audio is phase. I think part of what makes it confusing is that people use it in reference to more than one issue… [Full Article]

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Some sound advice on Loudspeaker placement

Let’s say the sound system you’re working on goes into feedback whenever microphones pass under the loudspeaker array… [Full Article]

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Fascinating technology which could have interesting implications for live sound.

From restaurant music that only certain tables can hear to flying emails, the ability to place sound exactly where you want it has all kinds of unusual uses… [Full Article]

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Acoustic scientists shatter the world record for longest ever echo.

Deep inside a complex of secret tunnels in the Highlands stirs a sound which will reverberate through the ages. The world record for the longest echo ever discovered has been shattered by a hidden network of oil storage tanks in … Continue reading

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Andy Coules explores the subject of volume in his excellent article.

Getting the volume right is crucial, but it’s often tricky to perfect. Andy Coules discusses a common dilemma for engineers. [Full Article]

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A fascinating video which shows how you can levitate small objects using standing waves.

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What “equalising the room” really means

“I’m going to equalize the room.” We’ve all heard that statement so many times that we scarcely think about what it literally means. We know that in practical terms it means adjusting an equalizer to suit your taste. It may … Continue reading

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Secrets of EQ in the Mix

When I first began doing sound, I bought a great set of headphones. I thought to myself – if I’m going to be expected to make something sound good, I should probably know what I’m shooting for. [Full Article]

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A handy guide to optimising acoustic guitars on stage.

Dealing with acoustic guitar in a live environment can be tricky business. A lot of external factors — many over which you have no control — influence your options for getting the guitar into the PA system, producing sufficient volume, … Continue reading

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What standing waves would look like if you could see them.

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A fascinating exploration of the difference between acoustic and amplified sound.

What makes acoustic sound sound acoustic? [Full Article]

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