Why I Started the Signal To Noise Podcast

Why I Started the Signal To Noise Podcast

I was recently approached by an individual who runs an audio engineering website, and was offered a cross-promotion arrangement: I share a few of their links to my “audience” a few times a month, and they will share mine. We can both grow our audiences. I said no. Besides the fact that I don’t have …

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Consistency Improvements

Consistency Improvements

When I was in high school, I was a member of the Cross Country team. What I found very appealing about that sport was that it wasn’t just about competition with other runners – it was also about competition with yourself – pushing yourself to always improve upon your best results. I feel some of …

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Understanding SPL metric “dB C Minus A”

Understanding SPL metric “dB C Minus A”

When measuring SPL, indicating the frequency weighting curve used for the measurement is critical. Below we see the A (orange) and C (red) weighting curves, the two choices you are likely to encounter on a typical SPL meter, thanks to IEC 61672. Although these weighting curves owe their creation to a failed attempt at emulating …

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All About SPL: Rational Acoustics Webinar

All About SPL: Rational Acoustics Webinar

As part of the ongoing Smaart Operator Fundamentals Online webinar series, Rational instructor Chris Tsanjoures and I gave a webinar covering an overview of SPL principles and practices as well as the SPL featureset in Smaart v8 and Smaart SPL. Enjoy:  

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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