Audacity Forum

The "Plot Spectrum" effect shows the frequency content of the selected audio: https://manual.audacityteam.org/man/plot_spectrum.html
If you want to do numerical analysis, Plot Spectrum can export the raw data (Click the "Export" button).

The second tracks looks badly overloaded. How does it sound in that section 16:00 to 17:40?

I bought a USB interface to take the audio output from my amplifier and insert a signal to be recorded in my laptop What's the make and model? Does it have a headphone socket? 2) I can't use the headphones for monitoring whilst recording, but they work perfectly to review a recording. If your USB i...

Audacity projects are complex, with many (sometimes thousands) of separate files.
A normal audio file is just a single file, and so is easier to handle safely. WAV and FLAC files are particularly robust. I would recommend always having a backup in either WAV or FLAC format.

I don't see any obvious reasons why you should see a difference between 2.3.0 and 2.3.3. Did you get Audacity 2.3.3 via the Audacity website? https://www.audacityteam.org/download/windows/ Do you have the same setting in the "Device Toolbar" in 2.3.0 as you had in 2.3.3? (https://manual.au...

Mark_Young wrote: ↑

Fri Apr 03, 2020 3:46 am

Ah, there's the bugger (I think). Audacity seems to have trouble getting FFmpeg underway.

That log appears to say that FFmpeg was loaded in under 1 second.

FFmpeg is an optional component. It enables Audacity to import / export additional audio file formats.

Do you recognise what plug-in that message is referring to?
Which version of Audacity did you have before updating?

it would make better use of large files and large compositions in general. How big do you want to go? We've seen people doing 12 hour recordings with the 32-bit build. Audacity doesn't use large files in projects - the data is stored in lots of little files (typically around 1MB each). Audacity onl...

amk wrote: ↑

Thu Apr 02, 2020 6:21 pm

on my computer

A laptop computer with built-in microphone and speakers?

I would not recommend using the Flatpak version.

Doely wrote: ↑

Thu Apr 02, 2020 5:54 pm

'Could not export to M4A format!'

Oops, yes you're right.
In that case your only option is to export in a supported format (I would recommend WAV), and then use a batch file converter to convert to M4A/AAC.