loudness
Measure the perceived loudness (LUFS) of an audio file.
Uses K-weighting and two-pass gating inspired by EBU R128.
Runs locally, no API call needed.
Requires node-web-audio-api as an optional dependency.
Usage
1egaki loudness [audio]
Arguments
| Argument | Required | Description |
[audio] | No | audio |
Options
| Option | Default | Description |
--stdin | - | Read audio from stdin instead of a file path |
--json | - | Output result as JSON to stdout |
Global Options
| Option | Default | Description |
-h, --help | - | Display this message |
-v, --version | - | Display version number |
Examples
1# Measure loudness of a song
1egaki loudness song.mp3
1# Pipe audio from another command
1ffmpeg -i video.mp4 -f mp3 - | egaki loudness --stdin
1# Get JSON output
1egaki loudness track.wav --json