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Audio networking over Ethernet in 2012.
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 | Read More...
Audio apps: tools or toys?
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 | Read More...
Continue not believing everything you hear or what you are told.
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 | Read More...
Don't believe everything you hear. Part 1
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 | Read More...
Big sound, subtle lighting make The Strip's latest entry a winner.
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 | Read More...
It is angst with 99 out of 100.
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 | Read More...
Big sound, subtle lighting make The Strip's latest entry a winner.
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 | Read More...
A saga of lower than expected sound pressure levels..
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 | Read More...
The ergonomics of sound system designs.
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
Published August 2011 | Read More...
Video without sound is…
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
Published August 2011 | Read More...
It’s Time To Take The Building Back
Sound masking: a tipping point for AV.
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...
Sound masking: a tipping point for AV.
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
Audio Signals and Voltage Distribution Essentials.
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 | Read More...
Audio Signals and Voltage Distribution Essentials.
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 | Read More...
Measuring Audio Signals & Voltages
Converting your voltmeter into a random number generator. Pt. 2
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 | Read More...
Converting your voltmeter into a random number generator. Pt. 2
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 | Read More...
Are Your Volts The Same As My Volts?
Measuring audio signals and voltages. Part 1
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 | Read More...
Measuring audio signals and voltages. Part 1
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 | Read More...
On The Level
A saga of mixed loudspeakers and input levels. Part 2
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 | Read More...
A saga of mixed loudspeakers and input levels. Part 2
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 | Read More...
On The Level
A saga of mixed loudspeakers and input levels. Part 1
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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A saga of mixed loudspeakers and input levels. Part 1
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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The FCC's Measured & Practical Approach
A review of policy changes that affect wireless.
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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A review of policy changes that affect wireless.
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
Read More...
What’s In Your Test Kit?
Essential test equipment for sound contractors and installers.
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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Essential test equipment for sound contractors and installers.
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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In The Loop
Helping the growing population with hearing loss.
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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Helping the growing population with hearing loss.
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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Audio standards?
Are they a help or hindrance?
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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Are they a help or hindrance?
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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testing, testing: which signal when?
Conclusion of a four-part series.
Over the last couple of months, I have predominantly
looked at “noise” and...
Published October 2010
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Conclusion of a four-part series.
Over the last couple of months, I have predominantly
looked at “noise” and...
Published October 2010
Read More...
Taking the patient’s pulse and bursting the sound barrier.
Over the last couple of months, I have predominantly
looked at “noise” and...
Published September 2010
Read More...
Which test signals to use and when.
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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Starting out in the AV world.
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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For optimal sound, school auditoriums need
effective sound design..
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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Matching acoustics and function.
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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How do you know your measurement is correct?
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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A matter of timing.
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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A matter of timing.
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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A matter of frequency.
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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Can we quantify it?
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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Now is a good time to add to your expertise.
I have been meaning to raise the topic of audio
education for awhile.
Published November 2009
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The A, B and C of sound level measurement.
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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Strategies for dealing with the building design team.
A young colleague of mine recently asked, “Why do architects hate good sound?
Published September 2009
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FCC actions leave wireless mics in limbo.
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 balloons, Isobal plots and coverage plots
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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Bringing audio in retail environments into focus.
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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