Audacity Forum

... VLC can't play it, it's not decoding (decompressing) it and it won't be able to convert it. Have you got the latest VLC? I assume you've installed FFmpeg for Audacity? It looks like FFMPEG is supposed to support webm and Opus, but maybe not Vorbis. SUPER can convert (or extract the audio from) ...

... Error: Couldn't find symbol 'MainPanelFunc' in a dynamic library (error 127: the specified procedure could not be found.) 06:44:59: Trying to load FFmpeg libraries... 06:44:59: mLibAVFormatPath ('C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll') is not empty. Loading from it. 06:44:59: ...

When Audacity launches, it looks to see if it can find a version of FFMpeg that it can use. Audacity usually has to search through a number of options before it can find a configuration that works. The FFMpeg related "errors" that you see relate ...

... qm-vamp-plugins.cat and qm-vamp-plugins.n3 to that folder. I started Audacity and attempted to Add/Remove Plugin and I got a crash with FFmpeg errors. So I sorted through installing FFmpeg and LAME. I opened preferences and made sure both were located and I included the FFmpeg directory ...

Audacity is an audio editor. It can't edit video. If you have FFmpeg installed, it can extract the audio part from most video formats and allow you to edit that, but to edit video you need to use a video editor (such as "Openshot", "PiTiVi" ...

... import, or none? Have you changed Extended Import Preferences in any way that might be confusing Audacity? If you have, delete all the rules. Your FFmpeg looks OK from the Libraries Preferences - it has the F,C,U numbers I would expect. What does the log look like, above the part you posted, where ...

... if you do not already have a compatible LAME version. To export MP4 you have to add FFmpeg http://manual.audacityteam.org/man/faq_installation_and_plug_ins.html#ffdown . To export, use File > Export Audio... and choose the format you ...

... Windows, would it be worth looking in Audacity's "Help menu > Show Log" for this sort of problem? The log will report details of whether FFmpeg loaded, but you can see that more easily from the Libraries Preferences. From the error that appears, Audacity seems not to be recognising FFmpeg. ...

... be commentary before 20 seconds, it isn't there. I suggest you look at Edit > Preferences... > Libraries in Audacity and make sure Audacity sees FFmpeg. If not, browse for it in that dialogue, or reinstall it from http://manual.audacityteam.org/man/faq_installation_and_plug_ins.html#ffdown . ...

... them. I recommend downloading the videos, without converting the audio. Check out how using your favourite search engine. You can then install FFmpeg and drag the videos into Audacity. At that point, the audio is still in as good a condition as it is in the video. Gale