Audio Pitch Down

Decrease pitch without changing speed

Click to upload file or drag and drop file here

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

Key Facts

Category
Images, Audio & Video
Input Types
file, number, select
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The Audio Pitch Down tool lowers the pitch of audio files without changing their playback speed. Upload your audio, specify a semitone shift, and download the adjusted file in your chosen format.

When to Use

  • •When adjusting music or vocals to a lower key for better vocal range compatibility.
  • •To create deeper sound effects for media production without altering timing.
  • •For correcting pitch in recordings where the original is too high.

How It Works

  • •Upload an audio file in a supported format such as MP3, WAV, or AAC.
  • •Enter the number of semitones to shift the pitch down, with a default of -2.
  • •Select the output format from options including MP3, FLAC, and WAV.
  • •Process the file and download the audio with the lowered pitch.

Use Cases

Music production: Lowering the pitch of instrumental tracks to match a vocalist's range.
Podcast editing: Adjusting background music to be less intrusive by deepening its tone.
Sound design: Creating low-pitched audio elements for film or game audio.

Examples

1. Adjusting a Song for Lower Vocal Range

Singer
Background
Preparing a cover song where the original track is in a key too high for the singer.
Problem
The singer cannot hit the high notes comfortably.
How to Use
Upload the song file, set semitones to -4, and choose MP3 output.
Outcome
The song is now in a lower key, allowing the singer to perform with ease.

2. Deepening a Sound Effect for Video

Background
Editing a cinematic scene that requires a more ominous sound effect.
Problem
The available sound effect has a high pitch that doesn't fit the dark atmosphere.
How to Use
Upload the sound effect, adjust semitones to -8, and export as WAV for best quality.
Outcome
A deeper, more fitting sound effect that enhances the scene's mood.

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 FLAC Audio Samples
Lossless FLAC audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
title token audio
audio
Copyright-Free M4A Audio Samples
Apple iTunes compatible M4A audio samples with AAC encoding, optimized for quality and file size balance
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 types can I upload?

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

How is pitch shift measured?

Pitch shift is measured in semitones, where each semitone is a half-step. Negative values lower the pitch.

Does this tool change the playback speed?

No, it adjusts pitch independently, keeping the speed unchanged.

Can I choose the output format?

Yes, you can select from MP3, AAC, M4A, OGG, Opus, FLAC, and WAV.

Is there a limit to how much I can lower the pitch?

Yes, the semitone shift can range from -12 to -0.1 semitones.

API Documentation

Request Endpoint

POST /en/api/tools/audio-pitch-down

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
semitones number No -
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/audio-pitch-down 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-pitch-down": {
      "name": "audio-pitch-down",
      "description": "Decrease pitch without changing speed",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-pitch-down",
      "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]