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Calcimator

Vocal Chain Calculator

Get recommended vocal processing chain settings based on vocal type, room quality, and desired tone.

About this calculator

A vocal processing chain is the sequence of tools -- typically a high-pass filter, de-esser, compressor, EQ, and reverb -- applied to a recorded vocal to make it sit cleanly in a mix. This calculator gives starting-point values for each stage based on a handful of common decisions rather than measuring your actual audio. The high-pass filter and de-esser frequency are keyed to vocal type, because a lower voice's fundamental extends further down than a higher voice's, so the filter has to be set lower to avoid cutting the voice's own body, and its sibilance energy sits in a different band. Compressor ratio responds only to the Dynamic Range you enter -- a wider dynamic range (louder loud parts relative to quiet parts) suggests a higher ratio to even it out.

Room treatment does not change the compressor ratio recommendation; compression raises quiet material, which would bring an untreated room's reflections and noise floor up rather than down, so tighter compression is not a fix for a bad room. EQ boost frequency shifts from the vocal type's base value based on how bright or warm you want the result, and reverb pre-delay lengthens for untreated rooms (creating separation between the dry vocal and the simulated reverb tail, which helps intelligibility against the room's own early reflections) and shortens for a vocal booth. These are reasonable starting points for a first pass, not a substitute for listening -- every voice, mic, and room combination behaves differently, and a trained ear making adjustments by listening will always outperform any fixed starting recipe.

Inputs

dB

Results

High-Pass Filter

80 Hz

De-Esser Frequency6,000 Hz
Compressor Ratio3:1
EQ Boost Frequency3,000 Hz
Reverb Pre-Delay20 ms
How to Use This Calculator
  1. Select your Vocal Type (Bass/Baritone, Alto/Mezzo-Soprano, Tenor, or Soprano).
  2. Select Room Quality and enter the vocal performance's Dynamic Range in dB.
  3. Choose your Desired Brightness (Warm/dark, Neutral, or Bright/airy).
  4. Review the High-Pass Filter (Hz) and De-Esser Frequency (Hz) results, both keyed to Vocal Type.
  5. Use Compressor Ratio (:1), EQ Boost Frequency (Hz), and Reverb Pre-Delay (ms) to set the rest of the chain.

What each input means

Vocal Type
Select the vocal range
Room Quality
Select the room quality
Dynamic Range
Dynamic range of the vocal performance in dB.
Desired Brightness
Select the desired brightness

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Vocal Type = 1, Room Quality = 2, Dynamic Range = 15, Desired Brightness = 3 = 4 input(s) provided
  2. Calculate High-Pass Filter
    High-Pass Filter
    80 = 80
  3. Calculate De-Esser Frequency
    De-Esser Frequency
    6000 = 6000
  4. Calculate Compressor Ratio
    3 = 3

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

I recorded a singer with a wide dynamic range in an untreated bedroom -- should I compress harder to clean up the room noise?

No, and this calculator deliberately won't recommend that. Compressor Ratio here responds only to Dynamic Range, never to Room Quality, because tighter compression raises quiet material -- including the untreated room's reflections and noise floor -- rather than hiding it. For a noisy room, lean on Reverb Pre-Delay instead: it lengthens for untreated spaces to separate the dry vocal from the simulated reverb tail, which helps intelligibility without fighting the compressor against physics.

I'm tracking the same singer in a treated room today and a vocal booth next week -- which settings actually need to change?

Only Reverb Pre-Delay, out of this calculator's five outputs. High-Pass Filter, De-Esser Frequency, and EQ Boost Frequency are all keyed to Vocal Type and Desired Brightness, neither of which changes with the room, and Compressor Ratio is keyed to Dynamic Range alone. Reverb Pre-Delay shortens moving from a treated room to a booth, since a booth's early reflections arrive with even less delay to separate from.

How does Desired Brightness affect the recommended EQ boost frequency?

Desired Brightness shifts the EQ boost frequency up or down from the vocal type's baseline boost point, using a scaling factor centered on the "Neutral" setting -- selecting "Bright/airy" raises the recommended boost frequency above the baseline, while "Warm/dark" lowers it below the baseline. It does not change the High-Pass Filter or De-Esser Frequency recommendations at all, since those come from Vocal Type alone.

Should I use these settings exactly as given, or as a starting point?

Treat them strictly as a starting point. This calculator produces a recommendation from four simple selections without ever hearing your actual recording, so it can't account for your specific microphone, singer, or room acoustics the way critical listening can. Use the numbers as a first-pass setting on each processor, then adjust by ear from there.

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