03/26/2020

Essential Measurements

Summary of 2.0 Essential Measurements

Key Lessons

  1. Understand the purpose of the space before taking measurements.
  2. Tools for measurement range from simple calculators to more advanced software used by professional acousticians.
  3. Valuable clues about acoustic issues can be gathered by asking the people currently using the space.
  4. Four of the most common interior acoustic measurements are reverberation time, speech intelligibility, sound level, and sound absorption.
  5. All objects, materials and people have acoustic properties which should be accounted for when assessing an acoustic environment.

 

Terms & Concepts

Acoustic treatment Speech
Reverberation time Intelligibility
Sabine’s formula Noise rating (NR)
Sound pressure (dB) Sound absorption
Frequency level (Hz) Absorption coefficient

 

Major insight

Before you can select a suitable treatment, you need to identify the acoustic properties of the space as well as any acoustic issues detracting from its function.

 

 

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