after a live recording we were saving the Audacity file when suddenly the current generator was switched off and the Mac Mini Mid 2011 A1347 using Mavericks and Audacity 2.0.3 went down. After rebooting we did the Autorecovery offered automatically by Audacity. Unfortunately there was a warning that recovering was not successful.
The is still the Data-Folder as well as the .aup file which can be opened in Audacity but there is no sound to hear in the full length of two hours. The file can be exported to .mp3 oder .m4a but in iTunes there is no sound too.
Do you mean the AUP file opens with not all the blue waves that you expect? Were there any errors when opening that project, if so, what did they say? The structure of the _data folder you posted online looks sensible, but I don’t understand the AU files being only 500 kB given it appears to be a 32-bit project. Also all the AU files I downloaded were absolute silence. Did you check there were blue waves in Audacity while you were recording?
Given the AUP file doesn’t help it will be better to try to automatically recover the project if possible. What were the exact errors when you recovered the project?
If the Audacity session is still open in which you tried to recover, please open Help > Show Log…, then drag a selection from top to bottom of the log window, copy the text and paste it here.
Then if you still have the window open in which you tried to recover the project and you see an option to close the project with no changes, choose that option. Otherwise open Activity Monitor and force quit Audacity. Don’t answer any Audacity questions about saving or not saving - saving changes will save the audio data as silence, and not saving will wipe the audio data and the AUTOSAVE temporary file Audacity was trying to recover from.
Then attach the AUTOSAVE file. To find that, open Finder then use Go > Go to Folder. Type:
The Audacity log is not saved automatically (in 2.0.5 on Mac there is no way of saving it at all). A log is created in memory when you start an Audacity session and the log is destroyed when you quit Audacity.
In Audacity 2.0.6 and later there will be a button to save the log on Mac.
So you have to look at Help > Show Log… when you see messages about recovery problems or if the recovery is empty or otherwise wrong.
If the recovery is incorrect you must force quit Audacity if you can’t leave it running while you investigate the problem.