> For the complete documentation index, see [llms.txt](https://textav.gitbook.io/textav-components/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://textav.gitbook.io/textav-components/media-processing/detect-silence-open-source.md).

# Detect silence \[Open Source]

A module that uses ffmpeg (or sox?) to detect silences in a video/audio file, eg while somene is speaking, and returns some kind of data structure.

eg <https://stackoverflow.com/questions/36074224/how-to-split-video-or-audio-by-silent-parts>

eg

```
ffmpeg -i "input.mov" -af silencedetect=noise=-30dB:d=0.5 -f null - 2> vol.txt
```

or with node [fluent-ffmpeg](https://github.com/fluent-ffmpeg/node-fluent-ffmpeg#audiofiltersfilter-add-custom-audio-filters)

[Link to trello card: Detect silence \[Open Source\]](https://trello.com/c/jIgbeG5w)

## Labels

Node module,