1. IFMA San Diego “The Sound of Silence”
ABSORPTION

2. Pure silence can actually be very uncomfortable.

3. What we want is “Sound Control”

5. ABC’s of Acoustics

6. ABSORB
COVER
BLOCK
ABC’s of Acoustics

7. Speed of sound = over 1,000 feet per second
The Main Problem
Reverberation: As defined by the Oxford Dictionary
1. prolongation of a sound; resonance:
2. a continuing effect; a repercussion:
Speed of sound = over 1,000 feet per second

8. The Different Types of Sound Waves
Hz = unit of measurement that indicates frequency - i.e. the number of times something occurs per second.
500
2000 …
low medium high
(percussion instruments, air conditioning, printers…)
Human voice, speech
(violin, whistle…)

9. Objective is not to eliminate sound, but rather to eliminate “noise” and achieve acoustic correction in the space.

10. Real Life Case Study

11. Method To The Madness

12. Buyer (Facility Manager) Beware
Reputable 3rd Party Testing – accredited acoustical testing agencies
Riverbank Acoustics
Western Electro
Universities