Use

Add or subtract a single number evenly across all octave bands OR add or subtract different values in different octave bands

User Inputs

1. Adjustment Type: Single Number or Octave Band
2. Single Number or Octave Band Operand: **Numeric values to be added or subtracted from input
3. Operator: Add or Subtract

SoundSurfer Input

Sound Power Level (red node) OR Sound Pressure Level (blue node)

Algorithm

Algebraic summation or subtraction across all octave bands.

Output

With Sound Power Level (red node) input, output is Sound Power Level (red node).

With Sound Pressure Level (blue node) input, output is total Sound Pressure Level (blue node).