# Audio Flanger

Apply a flanger effect

> Canonical page: https://elysiatools.com/en/tools/audio-flanger

- **Category:** Media

- **Keywords:** audio, flanger, effect, modulation

## Overview

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

## Inputs

- **Audio File** (file): Select an audio file
- **Delay (ms)** (number)
- **Depth (ms)** (number)
- **Regen (feedback)** (number)
- **Width (%)** (number)
- **Speed (Hz)** (number)
- **Phase (deg)** (number)
- **Interpolation** (select)
- **Output Format** (select)

## 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.

## Frequently asked questions

### 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.

## Related tools

- [Audio Chorus](https://elysiatools.com/en/tools/audio-chorus): Apply a chorus effect
- [Audio Gated Reverb](https://elysiatools.com/en/tools/audio-gated-reverb): Apply a reverb effect that is cut off abruptly
- [Audio Phaser](https://elysiatools.com/en/tools/audio-phaser): Apply a phaser effect
- [Audio Reverse Reverb](https://elysiatools.com/en/tools/audio-reverse-reverb): Apply a reverb effect that builds up before the sound
- [Audio Ring Modulator](https://elysiatools.com/en/tools/audio-ring-modulator): Apply ring modulation for a metallic, bell-like sound
- [Audio Robotize](https://elysiatools.com/en/tools/audio-robotize): Apply a robot voice effect (pitch and bit crush)
- [Audio Tremolo](https://elysiatools.com/en/tools/audio-tremolo): Add a tremolo effect (amplitude modulation)
- [Audio Vocoder](https://elysiatools.com/en/tools/audio-vocoder): Apply a vocoder effect using a carrier and modulator

## Samples

- [Copyright-Free FLAC Audio Samples](https://elysiatools.com/en/samples/flac-samples): Lossless FLAC audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free MP3 Audio Samples](https://elysiatools.com/en/samples/mp3-samples): Collection of royalty-free audio samples for testing and development purposes including nature sounds, meditation music, and ambient audio
- [Copyright-Free WAV Audio Samples](https://elysiatools.com/en/samples/wav-samples): Uncompressed PCM WAV audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free Raw PCM Audio Samples](https://elysiatools.com/en/samples/pcm-samples): Raw PCM s16le audio samples featuring nature ambience and relaxing music for waveform, playback, and conversion workflows