Author: Michael Lawrence

Audio Analyzer Mythbusting

Audio Analyzer Mythbusting

The wonderful silver lining of our present situation is that the internet is being flooded with all sorts of seminars, online classes, training videos, and the like. I’ve got a bunch of stuff bookmarked to dive into and it feels a bit like trying to drink from a firehouse. However, I’ve stumbled across a few …

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A hidden consideration when choosing a mic and interface for SPL monitoring rigs

A hidden consideration when choosing a mic and interface for SPL monitoring rigs

One thing that doesn’t usually come into play for general measurement work, but is mission critical for SPL measurements, is headroom. This is a two-part concern. Max SPL To perform properly at concert levels, the measurement mic should be able to withstand levels of up to 140 dB SPL. Many measurement mics hit severe distortion / …

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Measurement Microphone Comparison

Measurement Microphone Comparison

Audio and acoustics guru Ethan Winer has a lovely measurement mic comparison on his RealTraps website. Here are some of my own tests as an expansion of that idea. The mics used for these tests are the ones I happened to have in my kit at the time: two iSEMcon EMX-7150 (not sold as a matched pair) …

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Smaart SPL

Smaart SPL

For the last six months or so I’ve been working on Smaart SPL, a standalone SPL measurement and logging tool from Rational Acoustics. I’ve learned a lot along the way and I’m very proud of what we’ve got now that it’s finally out in the wild. One of the cool aspects of this project has …

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SPL and Exposure data from nine shows I worked recently – here’s what I’ve learned from that.

SPL and Exposure data from nine shows I worked recently – here’s what I’ve learned from that.

This chart shows NIOSH exposure dose data for nine live music events I worked on in the last few months, sorted by performance duration (longer performances on the right). The data is stated in percent dose, with 100% representing the full recommended exposure limit for the day. Green bars indicate shows that I mixed (I had …

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The Audio Archives – Vol 2 – Michael Fay

The Audio Archives – Vol 2 – Michael Fay

This episode of the audio archives is a conversation with my friend Michael Fay. Michael has more than 30 years of professional AV and Acoustical systems design, systems engineering, studio and FOH audio mixing, and technical writing. He is also the former editor of Recording Engineer / Producer magazine.     Learn more about Michael …

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Twenty-Minute Theater Tuning

Twenty-Minute Theater Tuning

Such is the reality of things that we often have very little time to wrestle a sound system into a performance-ready condition. Here is a tuning I did today of a 1200-seat theater that took twenty minutes start to finish, and most of that time was running around with a microphone. A lot of the …

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Black Box Theater Spatial System Tuning

Black Box Theater Spatial System Tuning

This week I am involved in an event featuring onstage puppetry with some unique technical challenges. The production was originally staged in a small black box theater with carefully controlled sightlines. Adapting the touring version of the production to the 700-seat theater required an out of the box approach – or more literally, an in …

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