AV Calculators & Resources
Sound, design and lens calculators designed to simplify those complex equations
U.S. Frequency Allocations
Click here to access the National Telecommunication and Information Administration’s United States Frequency Allocations table referenced in the July 2006 “Frequency Selection” Cheat Sheet.
SOUND SYSTEM DESIGN TOOLS
These calculators take the uncertainty out of equations common to designing an acoustically reliable sound system.
Constant Voltage Transformer Power Delivered
dB Power Ratio
dB Voltage Ratio
Amplifier Power Required
Inverse Square Law
Ohm’s Law/Watt’s Law
Quickie Reverb Time Calculator
Constant Voltage Calculator
Click the link below to access this calculator from NSCA and Pro AV’s “Constant Voltage Loudspeaker Systems” Tech Tutorial.
DISPLAY SYSTEM DESIGN TOOLS
The following calculators provide information for selecting the best products for display system design, and are handy for any presentation application.
Selecting Front Projection Screens
Viewing Distance vs. Screen Size
These calculators simplify the process of determining the correct lens for many applications, and can provide the information you need with a minimum of known variables. These calculators are helpful for any surveillance, network video, IMAG, or CCTV application.
Object Dimension, Object Distance, Focal Length
Angle of View
Depth of Field