Repository: yt-dlp
Issue: Arte Radio
Labels: site-request

### Checklist

- [X] I'm reporting a new site support request
- [X] I've verified that I'm running yt-dlp version **2021.11.10.1**. ([update instructions](https://github.com/yt-dlp/yt-dlp#update))
- [X] I've checked that all provided URLs are alive and playable in a browser
- [X] I've checked that none of provided URLs [violate any copyrights](https://github.com/ytdl-org/youtube-dl#can-you-add-support-for-this-anime-video-site-or-site-which-shows-current-movies-for-free) or contain any [DRM](https://en.wikipedia.org/wiki/Digital_rights_management) to the best of my knowledge
- [X] I've searched the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues including closed ones. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)
- [X] I've read about [sharing account credentials](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#are-you-willing-to-share-account-details-if-needed) and am willing to share it if required

### Region

France, Germany and Europe I think

### Example URLs

- Single audio : https://audioblog.arteradio.com/blog/174532/podcast/174698/la-caverne-ep-1-max-lampin
- Site : https://audioblog.arteradio.com/

### Description

The biggest audio podcast blog in France/Germany from  the  European public service channel that promotes cultural programming : [ARTE](https://en.wikipedia.org/wiki/Arte) (In the top 3 for the most interesting  channel in french tv)

### Verbose log

```shell
[debug] Command-line config: ['-Uv', 'https://audioblog.arteradio.com/blog/174532/podcast/174698/la-caverne-ep-1-max-lampin']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, err utf-8, pref UTF-8
[debug] yt-dlp version 2021.11.10.1
[debug] Python version 3.9.9 (CPython 64bit) - Linux-5.14.15-x86_64-Intel-R-_Core-TM-_i5-7200U_CPU_@_2.50GHz-with-glibc2.33
[debug] exe versions: ffmpeg 4.4.1 (setts), ffprobe 4.4.1
[debug] Optional libraries: Cryptodome, mutagen, sqlite, websockets
[debug] Proxy map: {'no': 'localhost,127.0.0.1'}
yt-dlp is up to date (2021.11.10.1)
[debug] [generic] Extracting URL: https://audioblog.arteradio.com/blog/174532/podcast/174698/la-caverne-ep-1-max-lampin
[generic] la-caverne-ep-1-max-lampin: Requesting header
WARNING: [generic] Falling back on generic information extractor.
[generic] la-caverne-ep-1-max-lampin: Downloading webpage
[generic] la-caverne-ep-1-max-lampin: Extracting information
[debug] Looking for video embeds
ERROR: Unsupported URL: https://audioblog.arteradio.com/blog/174532/podcast/174698/la-caverne-ep-1-max-lampin
Traceback (most recent call last):
  File "/usr/lib64/python3.9/site-packages/yt_dlp/YoutubeDL.py", line 1311, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/lib64/python3.9/site-packages/yt_dlp/YoutubeDL.py", line 1336, in __extract_info
    ie_result = ie.extract(url)
  File "/usr/lib64/python3.9/site-packages/yt_dlp/extractor/common.py", line 595, in extract
    ie_result = self._real_extract(url)
  File "/usr/lib64/python3.9/site-packages/yt_dlp/extractor/generic.py", line 3766, in _real_extract
    raise UnsupportedError(url)
yt_dlp.utils.UnsupportedError: Unsupported URL: https://audioblog.arteradio.com/blog/174532/podcast/174698/la-caverne-ep-1-max-lampin
```