# Audio LUFS Normalizer

Normalize audio to broadcast/podcast LUFS standards

> Canonical page: https://elysiatools.com/en/tools/audio-lufs-normalizer

- **Category:** Media

- **Keywords:** audio, lufs, normalize, loudness, broadcast, podcast

## Overview

Applies FFmpeg loudnorm using preset targets for -16, -14, or -23 LUFS.

## Inputs

- **Audio File** (file): Select an audio file
- **Target LUFS Standard** (select)
- **Output Format** (select)

## When to use

- When preparing audio episodes for podcast distribution to comply with industry loudness standards.
- When uploading music or audio to streaming services that require specific LUFS levels for optimal playback.
- When producing audio for broadcast television or radio to meet regulatory loudness requirements.

## How it works

- Upload your audio file in a supported format such as MP3, WAV, or AAC.
- Select the target LUFS standard: Podcast (-16 LUFS), Streaming (-14 LUFS), or Broadcast (-23 LUFS).
- Choose the desired output format from options like MP3, AAC, FLAC, or others.
- The tool processes the audio using FFmpeg's loudnorm filter and provides a normalized file for download.

## Use cases

- Podcasters normalizing episode audio to -16 LUFS for a consistent listener experience.
- Musicians preparing tracks for streaming platforms that recommend -14 LUFS.
- Broadcast engineers ensuring audio meets -23 LUFS standards for television or radio transmission.

## Frequently asked questions

### What is LUFS?

LUFS stands for Loudness Units Full Scale, a standard for measuring audio loudness used in broadcasting and streaming to ensure consistent volume levels.

### What audio formats are supported for input?

The tool accepts any audio file format supported by FFmpeg, including MP3, WAV, AAC, OGG, and more.

### Is there a file size limit?

Yes, the maximum file size is 200 MB (209715200 bytes).

### Can I choose a custom LUFS target?

No, the tool uses preset targets for podcast (-16 LUFS), streaming (-14 LUFS), and broadcast (-23 LUFS). Custom targets are not supported.

### How long does normalization take?

Processing time depends on the file size and length, but it typically completes within a few minutes for standard audio files.

## Related tools

- [Batch Audio Normalize](https://elysiatools.com/en/tools/audio-batch-normalize): Normalize multiple audio files to a target peak level with consistent volume across the batch
- [Audio Loudness LUFS Normalizer](https://elysiatools.com/en/tools/audio-loudness-lufs-normalizer): Measure integrated LUFS, true peak, and LRA, then normalize audio to Spotify, Apple Music, broadcast, or custom targets
- [Audio Loudness Normalize (LUFS)](https://elysiatools.com/en/tools/audio-loudness-normalize): Normalize audio to a target loudness (LUFS) using FFmpeg loudnorm
- [Audio Master Reference Match](https://elysiatools.com/en/tools/audio-master-reference-match): Match your mix's tonal balance and loudness to a reference track and export the corrected master, with a before/after third-octave band report.
- [Audio Podcast Trailer Builder](https://elysiatools.com/en/tools/audio-podcast-trailer-builder): Assemble a short podcast trailer from intro music, up to 5 highlight clips, a music bed under the clips, and a loudness target.
- [Vocal / Instrumental Balance](https://elysiatools.com/en/tools/audio-vocal-instrumental-balance): Measure and adjust vocal level relative to an instrumental bed, with a transparent loudness report.
- [Video Audio Normalize](https://elysiatools.com/en/tools/video-audio-normalize): Normalize audio in video files to consistent loudness levels using EBU R128 standard
- [Audio Breath Control Editor](https://elysiatools.com/en/tools/audio-breath-control-editor): Detect breaths in speech and naturally crossfade to reduce, remove, or keep them.

## Samples

- [Copyright-Free FLAC Audio Samples](https://elysiatools.com/en/samples/flac-samples): Lossless FLAC audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free MP3 Audio Samples](https://elysiatools.com/en/samples/mp3-samples): Collection of royalty-free audio samples for testing and development purposes including nature sounds, meditation music, and ambient audio
- [Copyright-Free WAV Audio Samples](https://elysiatools.com/en/samples/wav-samples): Uncompressed PCM WAV audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free Raw PCM Audio Samples](https://elysiatools.com/en/samples/pcm-samples): Raw PCM s16le audio samples featuring nature ambience and relaxing music for waveform, playback, and conversion workflows

## Related content

- [Audio Loudness, Dynamics, and Mastering Delivery](https://elysiatools.com/en/hubs/audio-mastering-loudness-workflows): Measure LUFS, true peak, and dynamics, apply suitable control, and verify podcast, broadcast, or music audio before delivery.