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Audio Ring Modulator

Apply ring modulation for a metallic, bell-like sound

Creates metallic, bell-like, or robotic sounds by multiplying the input signal with an oscillator. Classic sci-fi effect used for robot voices, metallic textures, and electronic music synthesis.

Click to upload file or drag and drop file here

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

Frequency of the carrier oscillator. Lower values create slow pulsing, higher values create metallic tones.

0 1 2

Intensity of the modulation. Higher values create more dramatic metallic effects.

Shape of the carrier oscillator waveform. Each creates different metallic character.

0 0.5 1

Balance between dry (original) and wet (ring modulated) signal.

Key Facts

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

Overview

The Audio Ring Modulator applies ring modulation to audio files, creating metallic, bell-like, or robotic sounds by multiplying the input signal with an adjustable oscillator. This tool is ideal for sound designers, musicians, and producers seeking sci-fi effects, unique textures, or electronic music synthesis.

When to Use

  • •When you need to generate metallic or bell-like tones for sound effects in films, games, or animations.
  • •For creating robotic voices or sci-fi audio elements in multimedia projects.
  • •In electronic music production to add modulated, synthetic textures to tracks or samples.

How It Works

  • •Upload an audio file in a supported format such as MP3, WAV, or AAC.
  • •Adjust the carrier frequency, modulation depth, and waveform to shape the metallic or robotic character of the sound.
  • •Set the wet/dry mix to balance the ring-modulated effect with the original audio.
  • •Select an output format and process the file to download the modified audio.

Use Cases

Designing robot voice effects for video games or animated characters.
Creating metallic sound textures for film soundtracks or music production.
Synthesizing unique electronic music elements with ring modulation for experimental tracks.

Examples

1. Sci-Fi Robot Voice Processing

Sound Designer
Background
A sound designer is working on a sci-fi short film and has a clean voice recording that needs a robotic, metallic quality for a character.
Problem
The raw audio lacks the synthetic, metallic texture required to sound like a robot.
How to Use
Upload the voice recording, set the carrier frequency to 800 Hz for a metallic tone, modulation depth to 1.5 for intensity, and waveform to square wave for a harsh character.
Outcome
The processed audio has a convincing robotic, metallic sound that fits the sci-fi scene.

2. Electronic Music Bell Tones

Music Producer
Background
A music producer is creating an electronic track and wants to add bright, bell-like tones using a simple sine wave sample.
Problem
Standard synthesizers do not provide the desired metallic bell sound with natural modulation.
How to Use
Upload a sine wave audio clip, adjust the carrier frequency to 440 Hz (A4 note), set modulation depth to 1.0, and select sine waveform for smooth tones.
Outcome
The audio now features clear, bell-like metallic tones that enhance the track's texture and appeal.

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 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
Copyright-Free OPUS Audio Samples
Next-generation OPUS audio samples with superior compression and quality, featuring nature sounds and meditation music optimized for modern streaming
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

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FAQ

What audio file formats can I upload?

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

How does the carrier frequency affect the sound?

Lower carrier frequencies (e.g., 20-100 Hz) create slow pulsing effects, while higher frequencies (e.g., 1000-20000 Hz) produce metallic or bell-like tones.

Can I control how intense the modulation is?

Yes, use the Modulation Depth slider from 0 to 2.0; higher values increase the metallic or robotic effect intensity.

What is the purpose of the wet/dry mix?

It blends the original (dry) audio with the ring-modulated (wet) signal, allowing you to dial in the desired effect level from subtle to full processing.

Which output formats are available?

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

API Documentation

Request Endpoint

POST /en/api/tools/audio-ring-modulator

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
carrierFreq number No Frequency of the carrier oscillator. Lower values create slow pulsing, higher values create metallic tones.
modulationDepth range No Intensity of the modulation. Higher values create more dramatic metallic effects.
waveform select No Shape of the carrier oscillator waveform. Each creates different metallic character.
mix range No Balance between dry (original) and wet (ring modulated) signal.
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/audio-ring-modulator 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-ring-modulator": {
      "name": "audio-ring-modulator",
      "description": "Apply ring modulation for a metallic, bell-like sound",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-ring-modulator",
      "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]