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Audio Bit Depth Reducer

Reduce the bit depth of an audio file (e.g., 24-bit to 16-bit)

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 Bit Depth Reducer converts audio files to a lower bit depth, such as from 24-bit to 16-bit, helping reduce file size or meet specific format requirements while preserving essential audio quality.

When to Use

  • •When you need to reduce audio file size for efficient storage or streaming.
  • •When preparing audio for devices or platforms that only support lower bit depths.
  • •When standardizing audio files to a consistent bit depth for a project or workflow.

How It Works

  • •Upload your audio file in a supported format like WAV, FLAC, MP3, OGG, or OPUS.
  • •Select the target bit depth from options: 16-bit, 24-bit, or 32-bit.
  • •Optionally, enable the 'Keep Metadata' checkbox to preserve tags such as artist and title.
  • •Process the file and download the converted audio with the new bit depth.

Use Cases

Reducing file size for podcast distribution to meet hosting platform limits.
Converting high-resolution audio for compatibility with standard audio players or car systems.
Preparing audio samples for game development or mobile apps to optimize memory usage.

Examples

1. Optimize Podcast Audio for Online Hosting

Podcast Producer
Background
A podcast producer has 24-bit WAV recordings that are too large for upload to a hosting service with file size restrictions.
Problem
The high-bit-depth files exceed the platform's upload limit and are unnecessary for spoken word content.
How to Use
Upload the WAV file, select '16-bit (s16)' as the target bit depth, and keep metadata enabled to retain episode details.
Outcome
A smaller 16-bit audio file that meets upload requirements without compromising listener experience.

2. Convert Hi-Res Music for Car Audio Playback

Music Enthusiast
Background
A user has a collection of 24-bit FLAC music files that fail to play on their car's audio system, which only supports 16-bit audio.
Problem
The car system cannot decode high-bit-depth files, causing playback errors.
How to Use
Select the FLAC file, set the target bit depth to '16-bit (s16)', and process it with metadata preservation.
Outcome
Audio files that play seamlessly in the car, with all track information intact.

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 formats are supported?

The tool supports WAV, FLAC, MP3, OGG, and OPUS files up to 125 MB in size.

Will reducing bit depth affect audio quality?

Reducing bit depth can lower dynamic range, but for most listening scenarios, the difference is minimal, especially when converting from higher to standard bit depths.

Can I keep the original metadata?

Yes, enable the 'Keep Metadata' option to retain information like artist, album, and title in the converted file.

What is the maximum file size allowed?

Audio files must be under 125 MB to be processed by this tool.

Does this tool support batch processing?

No, currently it processes one audio file at a time for conversion.

API Documentation

Request Endpoint

POST /en/api/tools/audio-bit-depth-reducer

Request Parameters

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

File type parameters need to be uploaded first via POST /upload/audio-bit-depth-reducer 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-bit-depth-reducer": {
      "name": "audio-bit-depth-reducer",
      "description": "Reduce the bit depth of an audio file (e.g., 24-bit to 16-bit)",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-bit-depth-reducer",
      "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]