News
News Update
Are we there yet?
Are We There Yet?
Audio networking over Ethernet has raised a lot of questions. The author addresses questions plaguing systems integrators, design consultants and engineers.
By Tim Shuttleworth

Published January 2012 |
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App-res-vous: Audio apps: tools or toys?
App-res-vous
Measurement and informational audio "apps" for the smart phones (iPhone and Android) provide industry professionals tools at their fingertips.
By Martin Palicki

Published January 2012 |
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Sorry About The Delay
Acoustic Myths And Magic Part 2
Many myths and misconceptions plague the AV industry:
what to look for and what to look out for...

By Peter Mapp FASA, FAES

Published December 2011 |
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Sorry About The Delay
Some Acoustic Myths And Magic
A collection of misconceptions, half truths and incorrect statements when sorting out sound systems comes from installers, operators and manufacturers...
By Peter Mapp FASA, FAES

Published November 2011 |
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Sorry About The Delay
Sorry About The Delay!
As we all know, there is no such thing as a free lunch; to put that another way, you do not get something for nothing...
By Peter Mapp FASA, FAES

Published October 2011 |
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Anatomy Of A Vegas Club: Gallery
Silver Ears
There are a couple of topics I've avoided writing about for 20 years now. One is the so-called "Silver Ear" listener and the angst he brings upon our industry.
By John Mayberry

Published October 2011 |
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Anatomy Of A Vegas Club: Gallery
Anatomy Of A Vegas Club: Gallery
Vegas dance clubs have a short shelf life, but R2W helped Gallery in the Planet Hollywood Hotel get up to speed with big sound and subtle lighting.
By Dan Daley

Published September 2011 |
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Who's in Control?
Who Stole My dBs?

When sound pressure levels are much less than expected, calculations and quick thinking create a better platform from
which to work.

By Peter Mapp, FASA, FAES
Published September 2011 |
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Who’s in Control?
Who’s In Control?

Using sophisticated technology works if it enables a better system to be provided, but it shouldn’t get in the way of the system and operation.
By Peter Mapp, FASA, FAES

P
ublished August 2011 | Read More...
Communications
Communications
Although you can make an argument that communications can be made without it, no matter how striking or haunting your presentation may be, it won’t cut it without sound.
By John Mayberry

P
ublished August 2011 | Read More...
Building Back
It’s Time To Take The Building Back

For the sound masking market, it’s been a long, circuitous route working with sound contractors/integrators and AV, but it’s back, with new, advanced technologies.
By Jonathan Leonard

Published August 2011 | Read More...
Measuring Audio Signals and Voltages, Part 3
Measuring Audio Signals and Voltages, Part 3

While it is difficult to measure fluctuating signals, determining the various voltage points of a sound system is essential.
By Peter Mapp, FASA, FAES

Published July 2011 |
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Measureing Audio Singals & Voltages
Measuring Audio Signals & Voltages

Last month, I looked at the accuracy of rms voltmeters and came up with some surprising answers. I started out by wondering how a new digital meter would cope with measuring real audio signals. Knowing its basic measurement limits, it was time to try it...
By Peter Mapp, FASA, FAES

Published May 2011 |
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VOLTS
Are Your Volts The Same As My Volts?

The other day, I bought an inexpensive digital multi meter for my site kit bag. I have several digital volt meters, ranging from the "throw away after one use" to one that is stored in a time-locked safe and is only allowed to be used on high holy days and when...
By Peter Mapp, FASA, FAES

Published April 2011 |
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Test, Testing
On The Level

Last month, Peter Mapp set out some of the issues he had encountered with a railway station PA system. This time, he delves further into the problems afflicting the system and how a solution was found.
By Peter Mapp, FASA, FAES

Published March 2011 |
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Test, Testing
On The Level

A while ago, I was called in to look at a PA system with a problem...well, several problems actually, but the one I want to talk about at the moment...

Published February 2011

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Test, Testing
The FCC's Measured & Practical Approach

This year, the FCC made two significant rulings, both demonstrating a practical approach to some complex issues by balancing the needs of those...

Published January 2011

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Test, Testing
What’s In Your Test Kit?

I often am asked by integrators and installers what test equipment I use and what gear they should have. These two questions do not necessarily have the same answers, although...

Published December 2010

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Test, Testing
In The Loop

Momentum is accelerating toward a new world of assistive listening for Americans with hearing loss. We refer to the mushrooming support for induction loops...

Published November 2010

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Test, Testing
Audio standards?

Every year, more and more new standards appear relating to audio systems, and I have wondered often why we need so many and why so many more keep on appearing. In the current...

Published November 2010

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Test, Testing
testing, testing: which signal when?

Over the last couple of months, I have predominantly
looked at “noise” and...


Published October 2010

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Test, Testing
Testing, testing: Part 3

Over the last couple of months, I have predominantly
looked at “noise” and...


Published September 2010

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Test, Testing
Testing, testing: what's all the noise about?

Today, we have a wide variety of test signals available to us for checking, testing and tuning sound systems, but...

Published August 2010

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Getting a foot on the ladder

I am writing this at 36,000 feet, somewhere over the Mediterranean on the way back from a business trip to the Middle East.

Published June 2010

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Active acoustics in the education

Not long ago, I sat in my daughter’s high school auditorium, prepared for the long haul of the Spring concert...

Published May 2010

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Great acoustics: pity about the sound

Although most of my work relates to sound systems, I also spend a significant amount of my time working on room acoustics.

Published May 2010

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Idiots with meters and idiot meters

As audio engineers, almost every day we have to measure something, be it a background acoustic noise level, the frequency response of a sound system...

Published April 2010

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Sound quality CONCLUSION

In the previous parts of this discussion about sound quality [December 2009, January and February 2010], I have looked at some of the effects of frequency and temporal distortion.

Published March 2010

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Sound quality PART 3

Last month, I looked at some of the effects that frequency response and frequency distortion have on sound quality.

Published February 2010

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Sound quality PART 2

In Part 1 last month, I introduced the concept of sound quality and some of the potential components that are related to it.

Published January 2010

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Sound quality PART 1

I do not know how many specifications have crossed my desk that said that the sound system or audio has to be of a high quality.

Published December 2009

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Education

I have been meaning to raise the topic of audio
education for awhile.


Published November 2009

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On the level

For more than 40 years, the weighted sound level, or dBA, has been the universal measure for assessing sound levels. But why dBA?

Published October 2009

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Do architects hate good sound?

A young colleague of mine recently asked, “Why do architects hate good sound?

Published September 2009

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Hearing MattersHearing matters

Traveling over to InfoComm, I enjoyed(?) a nine-hour flight. After awhile, boredom set in and, because it was the middle of the day, I didn't particularly feel like sleeping.

Published August 2009

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Polar explorations (CONCLUSION)

In Part 1 of this two-part review last month, I showed that there is more to loudspeaker coverage than beamwidth diagrams and directivity plots.

Published July 2009

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SPOTLIGHT OF SOUND

As retail marketing evolves and becomes increasingly competitive, marketers continue to search for new ways to capture and guide the attention of their customers.

Published July 2009

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