Index

 

A

A mounting, 55, 117

A/B audio testing, 56–57

Abffusor®, 55, 321, 322

Abflector™, 330–333

Absorbers, 19–42

active, 26

combining materials in, 23–26

corner, 119

diaphragmatic, 26–28, 363–364

frequency and sound absorption, 22–23

functional, 17

and Helmholtz resonators, 33–42

louvered, 235–237, 239–242

low frequency (see Low frequency absorbers)

low peak (see Low peak absorbers)

making your own, 20–21

mountings of, 117–118

open window, 129, 332, 333

passive, 24

polycylindrical diffusers as, 26–27

resonant plywood, 28–33

slotted panel, 240–241

space, 17, 55

wideband (see Wideband absorbers)

“Absorption-Frequency Characteristics of Plywood Panels” (Paul E. Sabine and L. G. Ramer), 31

Accordions, 383, 406

ACO Pacific, Inc., 68

Acoustafoam, ...

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