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Audio Flanger

Apply a flanger effect

Creates a sweeping comb-filter effect via modulated delay (ffmpeg flanger).

Click to upload file or drag and drop file here

Maximum file size: 200MB Supported formats: audio/*

Key Facts

Category
Media
Input Types
file, number, select
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The Audio Flanger tool applies a flanger effect to audio files, creating a sweeping comb-filter sound through modulated delay. It's ideal for adding depth and movement to music, podcasts, or sound design projects.

When to Use

  • •When you want to add a psychedelic or swirling effect to music tracks or vocals.
  • •For enhancing guitar solos, synth lines, or other instruments with a classic flanger sound.
  • •To create unique audio textures in sound design, podcast intros, or video production.

How It Works

  • •Upload your audio file in a supported format like MP3, WAV, or AAC.
  • •Adjust parameters such as delay, depth, speed, and width to customize the flanger effect.
  • •Select the output format and process the file to download the modified audio.

Use Cases

Music production: Adding flanger effects to electric guitars, bass, or synthesizers for a dynamic sound.
Podcast editing: Creating engaging intros or transitions with a sweeping audio effect.
Sound design: Designing atmospheric sounds for videos, games, or ambient tracks.

Examples

1. Enhancing a Guitar Solo

Musician
Background
A guitarist is recording a solo for a rock track and wants to add a classic flanger effect.
Problem
The raw guitar audio sounds flat and lacks movement or depth.
How to Use
Upload the guitar solo file, set delay to 0.8 ms, depth to 2 ms, speed to 0.5 Hz, and width to 71%.
Example Config
delayMs: 0.8, depthMs: 2, speedHz: 0.5, width: 71
Outcome
The processed audio has a swirling, dynamic flanger effect that enhances the solo's expressiveness and fits the rock vibe.

2. Creating a Podcast Intro Sweep

Background
A podcaster needs a unique intro sound with a sweeping effect to stand out.
Problem
Standard podcast intros sound generic and require a creative audio touch.
How to Use
Upload a short audio clip, apply flanger with default settings or increase speed to 1 Hz for a faster sweep.
Outcome
The intro audio now features a captivating flanger sweep that grabs listeners' attention and adds professionalism.

Try with Samples

audio, file
Copyright-Free AAC Audio Samples
High-quality AAC encoded audio samples for testing and development, featuring nature sounds and meditation music with excellent compression
title token audio
audio
Copyright-Free MP3 Audio Samples
Collection of royalty-free audio samples for testing and development purposes including nature sounds, meditation music, and ambient audio
title token audio
audio
Copyright-Free WAV Audio Samples
Uncompressed PCM WAV audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
title token audio
audio
Copyright-Free OGG Vorbis Audio Samples
Open-source OGG Vorbis audio samples for testing and development, featuring excellent compression with nature sounds and meditation music
title token audio
audio

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FAQ

What audio formats can I upload?

The tool accepts common audio formats including MP3, WAV, AAC, OGG, and more, with a file size limit of 200 MB.

How do I control the intensity of the flanger effect?

Use parameters like delay (ms), depth (ms), regen (feedback), and width (%) to fine-tune the effect's strength and character.

What output formats are available?

You can choose from MP3, AAC, M4A, OGG, Opus, FLAC, and WAV for the processed audio file.

What does the interpolation option do?

Interpolation (linear or quadratic) affects the smoothness of the delay modulation, with quadratic providing a more natural sweep.

Can I preview the effect before downloading?

This tool processes the file directly; you can adjust parameters based on the description and download the result to hear the effect.

API Documentation

Request Endpoint

POST /en/api/tools/audio-flanger

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
delayMs number No -
depthMs number No -
regen number No -
width number No -
speedHz number No -
phase number No -
interpolation select No -
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/audio-flanger to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-audio-flanger": {
      "name": "audio-flanger",
      "description": "Apply a flanger effect",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-flanger",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]