What audio formats can I upload?

You can upload common audio formats including MP3, AAC, M4A, OGG, Opus, FLAC, and WAV.

How does the notch filter work?

The notch filter targets and attenuates a narrow frequency range, useful for removing specific noises like hums or whistles.

Can I adjust how aggressive the filter is?

Yes, use the sharpness slider to control filter transition steepness; higher values mean more precise frequency targeting.

What is the wet/dry mix for?

It balances the original (dry) audio with the processed (wet) signal, allowing you to blend effects subtly.

Is real-time preview available?

No, the tool processes the entire audio file and provides a downloadable output after filtering.

Elysia Tools

Navigation

Media

Audio Spectral Filter

Filter audio based on its spectral content

Details

What this tool helps you do

Applies frequency-domain filtering to shape audio spectrum with surgical precision. Uses FFT-based processing to boost, cut, or notch specific frequency ranges while preserving temporal characteristics. Ideal for spectral enhancement, noise reduction, and creative frequency manipulation.

Execution

Run this tool

Fill in the form, run the tool, and review the result in one place.

Inputs

Options are grouped so long tools stay easier to scan.

12 options

FilesUpload source files for this workflow.1

Audio FilefileRequired

Single file max size: 100 MBSupported types: audio/*

SettingsAdjust formats, ranges, numbers, and modes.11

Filter TypeselectOptionalType of spectral filtering to apply. Each type has different frequency shaping characteristics.Low Frequency (20-1000 Hz)numberOptionalCenter frequency for low frequency band adjustments.Low Gain (-20 to 20 dB)rangeOptional

-2020

Gain adjustment for low frequency band. Positive = boost, Negative = cut.Mid Frequency (200-5000 Hz)numberOptionalCenter frequency for mid frequency band adjustments.Mid Gain (-20 to 20 dB)rangeOptional

-2020

Gain adjustment for mid frequency band. Positive = boost, Negative = cut.High Frequency (1000-20000 Hz)numberOptionalCenter frequency for high frequency band adjustments.High Gain (-20 to 20 dB)rangeOptional

-2020

Gain adjustment for high frequency band. Positive = boost, Negative = cut.Filter Sharpness (0-1.0)rangeOptional

How steep the filter transitions are. Higher values = more precise frequency targeting.Resonance Amount (0-1.0)rangeOptional

Adds feedback character to the filter. Higher values = more pronounced filter response.Wet/Dry Mix (0-1.0)rangeOptional

Balance between dry (original) and wet (filtered) signal.Output FormatselectOptional

Result

Ready for a run

Run the tool to preview files, text, structured data, or streamed output here.

Samples

Audio Spectral Filter

What this tool helps you do

Run this tool

Inputs

Result

Examples that match this tool

Continue with connected tools and hubs

Inputs

Result

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Enhancing Podcast Vocals

2. Removing Electrical Hum

FAQ

Copyright-Free FLAC Audio Samples

Copyright-Free MP3 Audio Samples

Copyright-Free WAV Audio Samples

Copyright-Free Raw PCM Audio Samples

Audio Dynamic Range Report

Audio Loudness Report (LUFS)

Audio Chapter Split

Audio RMS Normalize

Audio Measurement and Inspection Tools

Audio Restoration, Noise Repair, and Cleanup Tools

Audio Encoding and Format Conversion Tools

Audio Editing and Cleanup Tools