[FIG(quote)[
[FIGCAPTION[
[1] [CITE[EncodingForStreamingSites – FFmpeg]]
([TIME[2018-09-08 17:34:41 +09:00]])
<https://trac.ffmpeg.org/wiki/EncodingForStreamingSites>
]FIGCAPTION]

> $ ffmpeg -f alsa -ac 2 -i hw:0,0

]FIG]