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Karaoke Vocal Reducer

Attempt to remove vocals from a stereo track

Creates a karaoke-style mix by phase-canceling the center channel (vocals) and cleaning the result with gentle filtering. Strength and band limits are adjustable to balance vocal reduction and music fidelity.

Click to upload file or drag and drop file here

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

0 1 1.5

How aggressively to cancel centered vocals (1 = full phase cancel).

0 120 2000

Remove muddy lows after vocal cancellation.

2000 12000 20000

Limit harsh highs and artifacts.

Key Facts

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

Overview

The Karaoke Vocal Reducer creates karaoke-style mixes by attempting to remove vocals from stereo audio tracks using phase cancellation and gentle filtering. Adjustable strength and frequency bands help balance vocal reduction with music fidelity.

When to Use

  • •When you want to create a karaoke version of a song for singing along at home or events.
  • •When you need an instrumental track for background music, remixing, or audio projects.
  • •When practicing vocals or instruments without the original vocal interference in a stereo recording.

How It Works

  • •Upload a stereo audio file in a supported format like MP3 or WAV.
  • •Adjust the vocal removal strength from 0 to 1.5 to control how aggressively centered vocals are canceled.
  • •Set high-pass and low-pass cutoff frequencies to filter out unwanted audio artifacts after cancellation.
  • •Select an output format such as MP3, AAC, or WAV and download the processed file.

Use Cases

Creating karaoke tracks for home parties or social gatherings.
Generating instrumental versions for music practice or production workflows.
Removing vocals from songs for cover recordings or audio editing projects.

Examples

1. Party Karaoke Track Creation

Event Organizer
Background
Preparing for a karaoke night and needing instrumental versions of popular songs.
Problem
Songs have prominent vocals that interfere with group singing.
How to Use
Upload the song file, set strength to 1.3 for strong vocal removal, adjust lowCut to 80 Hz and highCut to 16000 Hz to preserve music quality, and select MP3 output.
Outcome
A karaoke-ready track with significantly reduced vocals, suitable for singing along.

2. Instrumental for Music Practice

Guitar Student
Background
Learning to play a song on guitar but finding the vocals distracting during practice sessions.
Problem
Vocals overlap with instrumental parts, making it hard to focus on the guitar.
How to Use
Upload the audio, use default strength of 1.0, keep filters at default settings, and choose WAV output for high fidelity.
Outcome
An instrumental track that allows clear practice without vocal interference.

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FAQ

What audio formats can I upload?

You can upload common stereo audio formats like MP3, WAV, AAC, and others, with a file size limit of 200 MB.

How effective is vocal removal?

Effectiveness varies; it works best on stereo tracks with centered vocals. Adjust strength and filters for optimal results.

Can I use this on mono audio files?

No, the tool requires stereo audio for phase cancellation to work properly.

What does the strength parameter control?

Strength controls the intensity of phase cancellation; higher values remove more vocals but may affect music quality.

What output formats are supported?

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

API Documentation

Request Endpoint

POST /en/api/tools/audio-karaoke-track

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
strength range No How aggressively to cancel centered vocals (1 = full phase cancel).
lowCut range No Remove muddy lows after vocal cancellation.
highCut range No Limit harsh highs and artifacts.
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/audio-karaoke-track 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-karaoke-track": {
      "name": "audio-karaoke-track",
      "description": "Attempt to remove vocals from a stereo track",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-karaoke-track",
      "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]