You may also need to download LAME MP3 Encoder to convert to MP3. Source: almost 2 years ago

Depending on your setup, you might also want to install either FFMpeg or Lame as well. Source: about 2 years ago

Today I think LAME is the converter of choice: https://lame.sourceforge.io/. Source: about 2 years ago

In order to play MP3 you need to install the LAME MP3 Encoder fyi for the Snowball issue try this Start> type Control Panel>Sound>Recording tab set Snowball as default recording device. Source: over 2 years ago

Ok, that's a LAME 3.1 mp3 encode (https://lame.sourceforge.io) in an mp3 container. So zspotify is taking the 320 kbps vorbis audio, re-encoding it to 320 kbps LAME mp3, and putting it into a mp3 container. Doing this makes for wider compatibility, but some quality is lost as you're taking a lossy format and converting it to another lossy format. Plus, and I'm not sure of the equivalency, it would take LAME mp3... Source: over 2 years ago

Fourth, try remuxing one of the problem files. Use the Multiplexer section of MKVToolNix. This will copy the contents to a new MKV file. It is like putting a letter in a new envelope when the original is damaged, but the pages inside are OK. Source: 6 months ago

If the audio tracks are displayed as unknown, the language flag needs to be set. Use tools such as MKVToolNix Header Editor to configure the language for audio & subtitle tracks. Source: 11 months ago

As for extracting tracks from MKVs, the low-level way would be to use ffmpeg directly (something like ffmpeg -i video.mkv -map 0:s:0 subtitle.sup would extract the first subtitle stream to a .sup file, the extension used for standalone PGS subtitles), but something like MKVToolNix can probably do it as well. That won't help you too much on its own though, since you now just have an external image-based subtitle... Source: 11 months ago

You could use a tool outside of Plex (like MKVToolNix) to combine the video+audio of one version with the audio+subtitles of the other. It gets trickier, or at least more tedious, if the videos aren't exactly the same, since you'd then have to account for any audio/subtitle shifting. Source: 11 months ago

Option 3: Change to MKV container. Use MKVToolNix or similar tools and remux to a MKV container. Note that this may cause problems with Dolby Vision. LG TVs must have Dolby Vision in a MP4 container, otherwise the video will not play correctly. Probably affects other Plex clients as well. Source: 11 months ago