## 1) Download an example clip (NASA)
Download the MP3:
```bash
curl -L -o nasa.mp3 "https://www.nasa.gov/wp-content/uploads/2015/01/640149main_Computers20are20in20Control.mp3"
```
(Windows 10/11 includes `curl` by default.)
## 2) Install `ffmpeg` (or confirm it is installed)
General: see the official download page:
```text
https://ffmpeg.org/download.html
```
### Ubuntu / Debian
```bash
sudo apt update
sudo apt install ffmpeg
ffmpeg -version
```
### Windows (recommended: `pixi`)
1. Install `pixi`:
```text
https://pixi.sh
```
2. Install `ffmpeg` globally:
```powershell
pixi global install ffmpeg
ffmpeg -version
```