Field math

AV calculator

Fast operator checks for delay, projection, record storage, and power load. Values update as you type and the page remembers the last setup in this browser.

Audio Delay

Distance to delay

Distance

Unit

Temperature F

Frame Rate

Delay0 ms

Frames0 fr

48k Samples0

Enter speaker distance to calculate delay time.

Projection

Screen and throw

Screen Width Ft

Aspect

Throw Ratio

Actual Distance Ft

Height0 ft

Diagonal0 in

Ideal Throw0 ft

Use actual distance to compare against the lens throw ratio.

Record Storage

Bitrate to drive size

Bitrate Mbps

Duration Hours

Record Feeds

Headroom Percent

Base Size0 GB

With Headroom0 GB

Per Hour0 GB

Use camera bitrate, feed count, and runtime to size recording media.

Power Load

Watts to amps

Watts Each

Device Count

Voltage

Circuit Amps

Total Watts0 W

Load0 A

80 Percent0%

Compare load against the 80 percent continuous circuit target.

Operator Summary

Saved

Calculations update as values change. Confirm final values against venue and equipment specs before show use.