Field notes
Notes from the measurement mic
August 4, 2026
Hello world!
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Read note →August 3, 2026
Sabine’s equation is a hundred years old and still the fastest gut-check we have
Wallace Sabine derived his reverberation-time formula at Harvard at the turn of the twentieth century, by moving organ pipes and a stopwatch…
Read note →August 3, 2026
The image-source method, and where it breaks down
The image-source method is the cleanest way to compute early reflections in a room with flat, parallel surfaces: mirror the source across…
Read note →August 3, 2026
Why RT60 alone doesn’t tell you if a room sounds good
A single reverberation-time number is the first thing every acoustics brief asks for, and it is also the easiest number to hit…
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