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Audio Echo

Add an echo effect

Creates discrete echo repetitions with adjustable delay, feedback, and mix. Simulates environments like canyons, tunnels, or large empty spaces.

Click to upload file or drag and drop file here

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

Time between original sound and first echo. Longer delays create dramatic canyon-like effects.

0.1 0.5 0.9

Controls how much each echo feeds back into the next. Higher values = more echoes.

0.1 0.3 0.8

Controls the volume of echoes relative to original sound. Lower values = subtle effect.

How many distinct echoes to generate. More echoes = longer decay tail.

Key Facts

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

Overview

The Audio Echo tool adds adjustable echo effects to audio files, simulating environments like canyons or tunnels by controlling delay, feedback, and mix parameters for discrete repetitions.

When to Use

  • •When you need to create dramatic echo effects for music production or sound design.
  • •To simulate acoustic spaces such as large halls, tunnels, or outdoor environments in audio.
  • •For adding depth and dimension to vocal recordings, podcasts, or video game sound effects.

How It Works

  • •Upload your audio file in a supported format like MP3, WAV, or AAC.
  • •Set the echo delay in milliseconds to control the time between the original sound and echoes.
  • •Adjust the feedback to determine how many echoes are generated and their decay.
  • •Choose the mix level to balance echo volume with the original, select the number of echoes, and pick an output format.

Use Cases

Enhancing podcast audio with environmental echo effects for storytelling segments.
Creating slapback echo in music production to achieve a vintage or retro sound.
Designing sound effects for video games or films to simulate specific acoustic spaces like caves or stadiums.

Examples

1. Canyon Echo for Podcast Intro

Background
A podcast producer wants to add a dramatic canyon-like echo to the intro segment to set an adventurous tone.
Problem
The audio needs to sound like it's echoing in a large, open canyon without manual editing.
How to Use
Upload the intro audio file, set delay to 600ms, feedback to 0.8, mix to 0.6, and echoCount to 6, then process.
Example Config
delayMs: 600, feedback: 0.8, mix: 0.6, echoCount: 6
Outcome
The intro now features a rich, canyon-like echo that enhances the immersive experience.

2. Subtle Vocal Echo for Music Track

Singer
Background
A singer recording a ballad wants to add a subtle echo to the vocals to increase depth without overpowering the mix.
Problem
The vocals need more presence and warmth but should remain clear and natural-sounding.
How to Use
Upload the vocal track, set delay to 200ms, feedback to 0.4, mix to 0.3, and echoCount to 2, then apply the effect.
Outcome
The vocals gain a gentle echo that adds warmth and dimension, improving the overall recording quality.

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 file formats are supported for upload?

You can upload audio files in common formats such as MP3, WAV, AAC, M4A, OGG, Opus, and FLAC, as specified in the tool options.

How can I make the echo effect more intense?

Increase the feedback value and the number of echoes to create a longer decay tail with more repetitions.

Is real-time audio processing available?

No, this tool processes uploaded files and returns a new audio file with the echo effect applied; it does not support real-time preview.

What is the maximum file size I can upload?

The maximum file size is 200 MB, as indicated by the file input limit in the tool options.

How many distinct echoes can I generate?

You can generate between 1 and 10 distinct echoes, adjustable via the echo count parameter.

API Documentation

Request Endpoint

POST /en/api/tools/audio-echo

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
delayMs number No Time between original sound and first echo. Longer delays create dramatic canyon-like effects.
feedback range No Controls how much each echo feeds back into the next. Higher values = more echoes.
mix range No Controls the volume of echoes relative to original sound. Lower values = subtle effect.
echoCount number No How many distinct echoes to generate. More echoes = longer decay tail.
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/audio-echo 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-echo": {
      "name": "audio-echo",
      "description": "Add an echo effect",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-echo",
      "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]