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Audio Noise Gate

Apply a noise gate to remove low-volume noise

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 Noise Gate tool applies a noise gate to audio files, effectively removing low-volume background noise and improving overall audio clarity. It's designed for quick and easy noise reduction without complex editing.

When to Use

  • •When you have audio recordings with background hiss, hum, or ambient noise.
  • •To clean up podcast or interview audio before publishing for a professional sound.
  • •For reducing noise in music recordings, such as amplifier hum or room tone.

How It Works

  • •Upload your audio file in a supported format like MP3, WAV, or AAC.
  • •Set the threshold level in decibels (dB) below which noise will be attenuated.
  • •Adjust parameters such as ratio, attack, release, and makeup gain to fine-tune the gate's behavior.
  • •Select an output format and download the processed audio file.

Use Cases

Editing podcast episodes to remove ambient room noise and improve speech clarity.
Cleaning up voiceover recordings for videos, audiobooks, or e-learning content.
Reducing amplifier hum or hiss in home studio music recordings.

Examples

1. Podcast Interview Cleanup

Podcast Host
Background
A podcast host records interviews in a home office with consistent background noise from a computer fan and distant traffic.
Problem
The audio has low-level noise during pauses, making the recording sound unprofessional.
How to Use
Upload the audio file, set the threshold to -40 dB to gate out the noise, and adjust the attack to 5 ms and release to 100 ms for natural transitions.
Outcome
The processed audio has significantly reduced background noise, resulting in clearer and more engaging speech for listeners.

2. Guitar Recording Noise Reduction

Background
A musician records electric guitar tracks at home, but the amplifier produces a noticeable hum during silent sections.
Problem
The hum persists and affects the overall quality of the recording, especially in quieter parts.
How to Use
Use the noise gate with a threshold of -50 dB, a ratio of 4, and fast attack settings to quickly cut the hum without affecting the guitar tone.
Outcome
The hum is effectively eliminated, yielding cleaner guitar tracks that are ready for mixing and production.

Try with Samples

audio, video, 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 a noise gate?

A noise gate is an audio effect that mutes or reduces the volume of a signal when it falls below a set threshold, helping to eliminate background noise.

How do I choose the right threshold?

Set the threshold just above the level of the background noise you want to remove, but below the desired audio signal to avoid cutting off wanted sounds.

What audio formats are supported for input and output?

The tool supports common audio formats including MP3, AAC, M4A, OGG, Opus, FLAC, and WAV for both input and output.

Can I use this tool for real-time audio processing?

No, this tool processes uploaded audio files and does not support real-time streaming or live audio.

What does makeup gain do?

Makeup gain boosts the overall output level after gating to compensate for any volume reduction caused by the noise gate.

API Documentation

Request Endpoint

POST /en/api/tools/audio-noise-gate

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
thresholdDb number No -
ratio number No -
attackMs number No -
releaseMs number No -
makeupDb number No -
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/audio-noise-gate 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-noise-gate": {
      "name": "audio-noise-gate",
      "description": "Apply a noise gate to remove low-volume noise",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-noise-gate",
      "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]