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THE FEUTEX TOOLKIT

Two-Path Comb Filter Notches

Predict the first cancellation and spacing caused by an equal-amplitude delayed copy.

Audio workspace● Runs in your browser
01 Your input
02 Your result
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FormulaFirst notch = 500/delay; Notch spacing = 1000/delay
Sources and model references

Worked example

Inputs

Path delay
2 ms

Expected results

First notch
250 Hz
Notch spacing
500 Hz

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Predict the first cancellation and spacing caused by an equal-amplitude delayed copy.
  2. Set path delay in the indicated units.
  3. Calculate and compare first notch, notch spacing.

Try this example

{
  "delay": 2
}

Accuracy and scope

Idealized educational model. Enter measured values in the displayed units; real systems may require additional corrections.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.