# Audio Tremolo

Add a tremolo effect (amplitude modulation)

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

- **Category:** Media

- **Keywords:** audio, tremolo, modulation, amplitude

## Overview

Applies periodic volume modulation with configurable rate and depth for classic tremolo or rhythmic chops.

## Inputs

- **Audio File** (file): Select an audio file
- **Rate (Hz)** (number): 5
- **Depth (0-1)** (number): 0.7
- **Output Format** (select)

## When to use

- When you want to apply a pulsating volume effect to music tracks or audio recordings.
- For adding rhythmic variations to audio loops, samples, or synth pads in production.
- To simulate the tremolo effect of vintage guitar amplifiers or create dynamic sound effects.

## How it works

- Upload your audio file in a supported format such as MP3, WAV, or AAC.
- Adjust the modulation rate in Hertz and depth from 0 to 1 to control the effect's speed and intensity.
- Select an output format from options like MP3, WAV, or FLAC, then process and download the modified audio.

## Use cases

- Enhancing guitar recordings with a warm tremolo effect for retro or surf rock music.
- Adding rhythmic chops to synth lines in electronic music production to improve groove.
- Creating stuttering volume effects for podcasts, videos, or sound design projects.

## Frequently asked questions

### What audio file formats are supported for upload?

The tool accepts common audio formats like MP3, WAV, AAC, and others under the audio/* type.

### What are the default rate and depth settings?

The default rate is 5 Hz and depth is 0.7, but you can adjust them within 0.5-20 Hz and 0-1 respectively.

### Can I process multiple audio files simultaneously?

No, this tool processes one audio file at a time per operation.

### What output formats can I choose from?

Available formats include MP3, AAC, M4A, OGG, Opus, FLAC, and WAV.

### Is there a file size limit for uploads?

Yes, the audio file must be under 200 MB.

## Related tools

- [Audio Chorus](https://elysiatools.com/en/tools/audio-chorus): Apply a chorus effect
- [Audio Delay](https://elysiatools.com/en/tools/audio-delay): Add a delay effect
- [Audio Flanger](https://elysiatools.com/en/tools/audio-flanger): Apply a flanger effect
- [Audio Hall Reverb](https://elysiatools.com/en/tools/audio-hall-reverb): Add a reverb effect simulating a large hall
- [Audio Phaser](https://elysiatools.com/en/tools/audio-phaser): Apply a phaser effect
- [Audio Plate Reverb](https://elysiatools.com/en/tools/audio-plate-reverb): Add a reverb effect simulating a plate reverb unit
- [Audio Ring Modulator](https://elysiatools.com/en/tools/audio-ring-modulator): Apply ring modulation for a metallic, bell-like sound
- [Audio Spring Reverb](https://elysiatools.com/en/tools/audio-spring-reverb): Add a reverb effect simulating a spring reverb unit

## 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