How to Use Noise Reduction Plugins to Clean up Your Podcast Audio

March 16, 2026

By: Audio Scene

Creating a professional-sounding podcast often involves cleaning up background noise and unwanted sounds. Noise reduction plugins are essential tools that help podcasters achieve clear, crisp audio quality. This guide will walk you through how to effectively use these plugins to enhance your recordings.

Understanding Noise Reduction Plugins

Noise reduction plugins are software tools that analyze your audio to identify and reduce background noise, hum, hissing, or other unwanted sounds. They are compatible with popular digital audio workstations (DAWs) and can be used during editing to improve audio quality.

Choosing the Right Plugin

  • iZotope RX: Known for advanced noise reduction capabilities.
  • Audacity Noise Reduction: Free and easy to use for beginners.
  • Waves NS1: Simple interface with real-time reduction.
  • Accusonus ERA Noise Remover: Fast processing and high-quality results.

How to Use Noise Reduction Plugins

Follow these general steps to effectively clean your podcast audio:

1. Prepare Your Audio

Import your recorded audio into your DAW. Listen to the track to identify sections with background noise or unwanted sounds.

2. Select a Noise Profile

Most plugins require you to select a segment of audio that contains only noise. This helps the plugin learn what to reduce. Highlight this section and create a noise profile.

3. Apply Noise Reduction

Adjust the plugin settings such as reduction amount, sensitivity, and attack/release times. Preview the audio to ensure the noise is reduced without affecting the quality of your voice.

4. Fine-Tune the Settings

Iteratively tweak the settings. Use the bypass option to compare the cleaned audio with the original. Aim for a natural sound with minimal noise.

Best Practices for Noise Reduction

  • Record in a quiet environment to minimize initial noise.
  • Use a good quality microphone and proper mic placement.
  • Apply noise reduction carefully to avoid artifacts or a hollow sound.
  • Always keep a backup of your original recording.

By following these steps and tips, you can significantly improve the clarity of your podcast recordings. Noise reduction plugins are powerful tools that, when used correctly, can make your audio professional and engaging for your audience.