downloaded video has no audio

[Stefan Ehmann]

On 02.05.2016 12:48, Matthias Apitz wrote:
>
> Hello,
>
> There is a video at YT about how to repair/change the LCP of a Dell M4400
> laptop and because mine seems to fail shortly, I wanted to download it
> for the day-after with
>
> $ youtube-dl https://www.youtube.com/watch?v=Uj80suVoTCg
>
> $ youtube-dl -v
> [debug] System config: []
> [debug] User config: []
> [debug] Command-line args: [u'-v']
> [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
> [debug] youtube-dl version 2015.12.29
> [debug] Python version 2.7.11 - FreeBSD-11.0-CURRENT-amd64-64bit-ELF
> [debug] exe versions: ffmpeg 2.8.4, ffprobe 2.8.4, rtmpdump 2.4
>
> but the downloaded file has no audio, while it plays fine with FF (no
> flash).
>
> Any ideas?

Works here. Try to update your youtube_dl port.
If that doesn't help, try to select another format using -F/-f.