# Video Audio Normalize

Normalize audio in video files to consistent loudness levels using EBU R128 standard

> Canonical page: https://elysiatools.com/en/tools/video-audio-normalize

- **Category:** Media

- **Keywords:** video, audio, normalize, loudness, ebu, r128, level, consistent

## Overview

The Video Audio Normalize tool allows you to easily adjust the audio levels of your video files to a consistent loudness standard. Using the industry-standard EBU R128 algorithm, it targets specific platform presets like YouTube, Spotify, and Apple Podcasts, ensuring your videos sound professional without requiring full video re-encoding.

## Inputs

- **Video File** (file): Select the video file to normalize audio
- **Normalization Preset** (select): Target loudness standard for different platforms
- **Output Format** (select)
- **Copy Video (No Re-encode)** (checkbox): Copy video stream without re-encoding (faster, no quality loss)

## When to use

- When your video's audio is too quiet, too loud, or inconsistent across different scenes.
- Before uploading video content to platforms like YouTube, Spotify, or Apple Podcasts to meet their specific loudness requirements.
- When you want to normalize audio quickly without losing video quality or wasting time on full video re-encoding.

## How it works

- Upload your video file (up to 100MB) in formats like MP4, WebM, MKV, AVI, or MOV.
- Select your target normalization preset, such as EBU R128, YouTube, Spotify, or Podcast.
- Choose your desired output format and decide whether to copy the video stream directly without re-encoding.
- Click process to analyze the audio track, apply the loudness normalization, and download the updated video file.

## Use cases

- Preparing video podcasts for Apple Podcasts or Spotify to ensure consistent dialogue volume.
- Standardizing YouTube video uploads to match the platform's specific loudness target.
- Fixing uneven audio levels in recorded webinars or presentations before sharing them with an audience.

## Frequently asked questions

### What is EBU R128?

EBU R128 is an international standard for measuring and normalizing audio loudness to prevent sudden volume jumps.

### Will normalizing the audio degrade my video quality?

No. By enabling the 'Copy Video' option, the video stream is copied directly without re-encoding, preserving original video quality.

### What video formats are supported?

You can upload video files and export them to MP4, WebM, MKV, AVI, or MOV formats.

### What is the maximum file size I can upload?

The tool supports video files up to 100MB in size.

### Which platform presets are available?

Presets include EBU R128 (Standard), Spotify, YouTube, Podcast, and Apple Podcasts.

## Related tools

- [Batch Rewrap](https://elysiatools.com/en/tools/batch-rewrap): Batch remux media files with stream copy.
- [Video Dual Audio Merger](https://elysiatools.com/en/tools/video-dual-audio-merger): Mux two audio tracks into one video in copy mode.
- [Media Metadata to JSON](https://elysiatools.com/en/tools/media-metadata-to-json): Extract audio/video metadata as JSON with ffprobe.
- [Audio to Spectrogram Video](https://elysiatools.com/en/tools/audio-to-spectrogram-video): Create a video from audio with a spectrogram visualization
- [Audio to Waveform Video](https://elysiatools.com/en/tools/audio-to-waveform-video): Create a video from audio with a waveform visualization
- [AVI to MP4 Converter](https://elysiatools.com/en/tools/avi-to-mp4): Convert AVI video files to MP4 format
- [FLV to MP4 Converter](https://elysiatools.com/en/tools/flv-to-mp4): Convert FLV video files to MP4 format
- [Image Sequence to Video](https://elysiatools.com/en/tools/image-sequence-to-video): Convert uploaded image files or a ZIP archive of frames into a video, sorted naturally by filename

## Samples

- [Video Samples](https://elysiatools.com/en/samples/video-samples): Sample video files in different formats and orientations
- [Video AV1 Samples](https://elysiatools.com/en/samples/video-av1-samples): Sample video files encoded in AV1 format
- [Video H.264 Samples](https://elysiatools.com/en/samples/video-h264-samples): Sample video files encoded in H.264 (AVC) format
- [Video H.265 Samples](https://elysiatools.com/en/samples/video-h265-samples): Sample video files encoded in H.265 (HEVC) format