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Best sound absorbing material: Rockwool, Audimute, or Furniture?

By Nathan Lively

rockwoo-audimute

My wife and I recently bought a house (well, she bought a house and she's letting me rent a room) and for the first time in my life I have the opportunity to do whatever I want with my office. I installed a few different sound absorbers, taking measurements along the way, and here are my results. The Room The first time I walked in I knew it would need some help. When I clapped my hands I heard something ringing and it was more difficult than it should have been to understand someone … [Read more...]

How to take fast impulse response measurements in Smaart© without pissing people off

By Nathan Lively

spectrogram from IR

Use these settings to efficiently investigate room modes with the impulse response module in Smaart©. FFT: 128kAvg: NoneDelay: 0 (doesn't matter)Options > IR > Overlap: 0%Signal Generator: Pink noise, Pseudorandom, Drop IR Data WindowLevel: +10dB above noise floor Measuring room modes sucks. It takes too long, pisses people off, and the ROI is debatable. The last one is user dependent. Let's work on the first two. Why does it take too long? This was user error on my … [Read more...]

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