Audacity Forum

I'm guessing that you don't have a backup copy

If the project was a fresh, unedited recording, then you're in with a chance. See here: http://manual.audacityteam.org/man/reco ... ually.html

Is it just one project that you have the problem with? (do other projects open correctly?) the _data file is uncorrupted Have you looked at the .aup file? Try opening it (but DO NOT MAKE ANY CHANGES) in NotePad. It should look something like this: (If in doubt, you can upload the AUP file in your re...

speedrunner wrote:in vlc's media information:
codec: ima wav adpcm audio (ms)

So it's not a "normal" WAV file. (https://wiki.multimedia.cx/index.php/IMA_ADPCM)

speedrunner wrote:Just the audacity "cut" the duraton shorter.

Do you mean that there's a bit missing? Which bit - the end of the file?

Gale Andrews wrote: Neither am I, but in the absence of any response from the OP I can only assume (based on their comment about manually fixing the files) that they have files already recorded that display phase misalignment when zoomed in.

So you're thinking of something like this?

speedrunner wrote:I tried with a longer audio 15h and in that case the different was 4min.

Are you sure these are ordinary WAV files?

This plug-in will amplify by 1 dB: onedb.ny Instructions for installing: http://manual.audacityteam.org/man/effect_menu.html#nyquist_effects Note that in the Plug-in manager, before the plug-in has been installed, the effect is listed as "onedb" (in the "New" section). Once it ha...

I mean the hitting sound (like a hammer knocking at every half second). So, i want there to be left only melody (without that hammer knocking noise) You mean you want to take the "drum" sound out. That's not going to happen. The beat can be reduced a bit, but it's mixed in with all of the...

Just for interest, the relevant changes can be seen here:
Change Tempo: https://github.com/audacity/audacity/commit/8e0089c5522
Change Pitch: https://github.com/audacity/audacity/commit/90e400b0a7

Gale Andrews wrote:Is this a task that Nyquist could do?

"Head misalignment" isn't a problem with digital recording, so I'm not clear what problem we are trying to fix.

Trebor wrote:Now you mention it, the delays* are only in Audacity's native equalizer.

That's a relief.
The Equalization effect needs a substantial rewrite, so this should not be a problem after that has been done.