'Octave band' presentation slideshows

Modeling the effects of air currents on acoustic measurements in large spaces

Modeling the effects of air currents on acoustic measurements in large spaces. David Griesinger David Griesinger Acoustics www.davidgriesinger.com. Sabine . Sabine discovered that in most rooms sound decays logarithmically at a constant rate.

343 views • 21 slides

Occupational Audiometric Testing Part 1: Purposes and Procedures

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs 2.5 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/2.5/. Occupational Audiometric Testing Part 1: Purposes and Procedures. Thomas W. Rimmer, ScD, CIH

471 views • 20 slides

FREQUENCY SPECTRUM OF A SOUND

FREQUENCY SPECTRUM OF A SOUND. A sound which consists of a single frequency is called a pure tone. Sound with various frequencies. Noise produced by most mechanical sources, such as machines, is made up of many different unrelated frequencies (wide band noise), and tends to sound unpleasant.

647 views • 14 slides

Why Specify ASTM E477 -99 ? Comparative Review - ASTM E477 DIL Calculation 1973 to Present Day

481 views • 9 slides