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Audio Dither

Apply dithering during bit depth reduction

Click to upload file or drag and drop file here

Maximum file size: 120MB Supported formats: audio/wav, audio/x-wav, audio/flac, audio/mpeg, audio/ogg, audio/opus

Key Facts

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

Overview

The Audio Dither tool applies dithering during bit depth reduction to minimize quantization distortion and improve audio quality when converting to lower bit depths.

When to Use

  • •When converting high-resolution audio to lower bit depths for CD or streaming.
  • •When reducing audio file size while preserving dynamic range.
  • •When preparing audio for distribution on platforms with specific bit-depth requirements.

How It Works

  • •Upload your audio file in WAV, FLAC, MP3, OGG, or OPUS format.
  • •Select the output format (WAV or FLAC) and target sample format (e.g., 16-bit).
  • •Choose a dither method such as triangular or shibata, and optionally keep metadata.
  • •Process the file and download the dithered audio output.

Use Cases

Mastering audio for CD production by converting 24-bit files to 16-bit.
Preparing podcast episodes for online streaming with reduced bit depth.
Archiving audio in a lower bit-depth format with minimal quality loss.

Examples

1. Convert 24-bit WAV to 16-bit for CD Mastering

Background
A music producer has a 24-bit WAV file from a recording session that needs to be converted to 16-bit for CD duplication.
Problem
Direct conversion without dithering can introduce quantization noise and distortion.
How to Use
Upload the WAV file, set output format to WAV, target sample format to s16, and select triangular dither method.
Outcome
A 16-bit WAV file with dithering applied, ensuring clean audio for CD production.

2. Reduce Bit Depth for Podcast Distribution

Background
A podcaster wants to convert a high-bit-depth audio file to a lower bit-depth to reduce file size for online distribution.
Problem
Reducing bit depth directly can cause audible artifacts and loss of clarity.
How to Use
Upload the audio file (e.g., FLAC), choose FLAC output format, set target sample format to s16, and use low shibata dither.
Outcome
A smaller FLAC file with preserved audio quality, suitable for streaming platforms.

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 is audio dithering?

Dithering adds low-level noise to reduce quantization errors when reducing audio bit depth, preventing distortion.

Why is dithering important?

It preserves audio quality and dynamic range during bit depth reduction, avoiding harsh quantization artifacts.

What input formats are supported?

The tool supports WAV, FLAC, MP3, OGG, and OPUS audio files.

Can I output to FLAC format?

Yes, you can choose WAV or FLAC as the output format.

How do I choose the right dither method?

Triangular is a balanced default; Shibata variants are optimized for specific noise shaping characteristics.

API Documentation

Request Endpoint

POST /en/api/tools/audio-dither

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
targetFormat select No -
ditherMethod select No -
sampleFormat select No -
keepMetadata checkbox No -

File type parameters need to be uploaded first via POST /upload/audio-dither 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-dither": {
      "name": "audio-dither",
      "description": "Apply dithering during bit depth reduction",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-dither",
      "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]