Audacity Forum

1 Are you sure it is an M4A, not protected M4P? 2 Did you open the Audacity Libraries preferences and click Locate... as per the Manual ? If you still have problems after trying to "Locate" or after importing the file after a successful locate, please click Help > Show Log, right-click > S...

... then go up and get the 1.3.12 installer from here... http://audacityteam.org/download/ If you need MP3 and other compressed formats, get lame and FFMpeg software from the same place. Audacity 1.3 will open Audacity 1.2 Projects. Restart Audacity after you change preferences. Koz

Thanks Gale :) I wiil consider carefully your tips and before taking a stronger decision, few minutes ago I tried a file exportation (Export>CustomFFmpegExport>Options>amr without any codec selected) and this is the code I recorded: 15:18:43: Trying to load FFmpeg libraries 15:18:43: mLibAVFormatPath ...

1. Yes I did the following, as instructed by the mentioned guide: cd git clone git://git.ffmpeg.org/ffmpeg.git cd ffmpeg ./configure --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb ...

I just installed FFmpeg and then tried to import an m4a file, but it gave me this message:

"Audacity recognized the file type, '<File location>'
Importers supposedly supporting such files are:
FFmpeg-compatible files,
but none of them understood this file format."

Please help!

... not, or Audacity would be able to play it. You can play it anyway in Audacity 1.3.12 from here... http://audacityteam.org/download/ And get the FFMpeg and lame software packages from the same place and install both. You don't have to uninstall Audacity 1.2. You can have both, but don't try to ...

Gale, thanks for you reply. 1. When you configured FFmpeg before make, did you type --enable-libopencore-amrnb --enable-libopencore-amrwb 2 Audacity doesn't have any "1.3.12.7" release. Is that the Ubuntu PPA-packaged version of Audacity? ...

... had success with the same version of Audacity running in Windows 7. I can't explain this behaviour, since I am confident to have loaded correctly FFmpeg library (I followed this guide http://ubuntuforums.org/showpost.php?p=4907079&postcount=1 to load it). It may be interesting to note that ...

... had success with the same version of Audacity running in Windows 7. I can't explain this behaviour, since I am confident to have loaded correctly FFmpeg library (I followed this guide http://ubuntuforums.org/showpost.php?p=4907079&postcount=1 to load it). It may be interesting to note that ...

... Audacity 1.3.12 could use SOX for exporting a WAV with U-Law encoding, by choosing (external program) when you export. I don't think using FFmpeg to export the files from Audacity will help - the fmt chunk is the same size as that in the libsndfile files. Otherwise, I think I've gone as ...