Engineers Newsletter Live DVDs

Acoustics: Evaluating Sound Data

  • Engineers Newsletter Live DVDs
  • $30
  • Item # APP-CMC055-EN
  • Published May 1, 2015

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Sound data is the foundation of acoustical analysis and it is often used for comparing equipment from different manufacturers. Unfortunately not all manufacturers present sound data in the same format. This ENL will focus on clarifying sound data terms and weighting methods so that the differences in sound data presentation are apparent. Examples of the common mistakes made when comparing chillers, air-handlers, VAV units, and fan coils are discussed. Presenters:Jeanne Harshaw (host), Dustin Meredith, Dave Guckelberger, Eric Sturm, Dave Edmonds

Learning objectives:

  • Understand how various types of sound data are generated.
  • Identify the differences in sound data presented for HVAC equipment (e.g. sound power, sound pressure, dBA)
  • How to properly evaluate sound data to ensure accuracy and sensibility (A-weighting)
  • How to specify sound data to compare apples-to-apples

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