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Audio Broadcast DRC

Broadcast-style dynamics chain (gate → compressor → limiter)

Applies a noise gate, gentle compression, and a limiter for consistent broadcast loudness.

Click to upload file or drag and drop file here

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

Key Facts

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

Overview

The Audio Broadcast DRC tool applies a professional dynamics processing chain to your audio files. It uses a noise gate, compressor, and limiter to achieve consistent loudness suitable for broadcast, podcasting, or voiceover work.

When to Use

  • •When preparing audio for broadcast to meet loudness standards.
  • •When editing podcasts to ensure consistent volume levels across episodes.
  • •When processing voiceovers to reduce background noise and even out dynamics.

How It Works

  • •Upload your audio file in a supported format.
  • •Adjust the gate, compressor, and limiter settings as needed.
  • •Select the output format and process the audio.
  • •Download the processed file with consistent dynamics.

Use Cases

Normalizing podcast audio for a consistent listening experience.
Preparing radio segments to comply with broadcast loudness regulations.
Enhancing voiceover recordings by reducing noise and balancing levels.

Examples

1. Podcast Episode Normalization

Podcast Producer
Background
A podcast producer has recorded an episode with varying volume levels due to different speakers and environments.
Problem
The audio has inconsistent loudness, making it unpleasant for listeners.
How to Use
Upload the podcast audio file, set the gate threshold to -40 dB to reduce background noise, adjust the compressor to even out levels, and set the limiter ceiling to -1 dB.
Outcome
The processed audio has consistent volume, reduced noise, and is ready for publishing.

2. Broadcast Segment Preparation

Audio Engineer
Background
An audio engineer is preparing a segment for radio broadcast that must meet specific loudness standards.
Problem
The raw audio needs to be processed to ensure it doesn't exceed peak levels and has uniform loudness.
How to Use
Use the tool with default broadcast settings: gate threshold at -45 dB, compressor ratio of 3:1, and limiter ceiling at -1 dB. Output as MP3.
Outcome
The segment is processed to broadcast standards, with no clipping and consistent loudness.

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 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
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

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FAQ

What audio formats are supported?

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

Can I use default settings?

Yes, default parameters are optimized for broadcast, but all settings are customizable.

How does the noise gate help?

It silences audio below the threshold, reducing background noise during silent parts.

What does the compressor do?

The compressor reduces the dynamic range, making loud parts quieter and quiet parts louder for a more even sound.

Why is the limiter important?

It prevents audio peaks from exceeding the ceiling, avoiding distortion and ensuring safe levels for broadcast.

API Documentation

Request Endpoint

POST /en/api/tools/audio-drc-broadcast

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
gateThreshold number No -
gateRatio number No -
compThreshold number No -
compRatio number No -
compAttack number No -
compRelease number No -
limiterCeiling number No -
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/audio-drc-broadcast 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-drc-broadcast": {
      "name": "audio-drc-broadcast",
      "description": "Broadcast-style dynamics chain (gate → compressor → limiter)",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-drc-broadcast",
      "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]