Python convert mono to stereo

1. Can mono be converted to stereo?
2. How do I switch from mono to stereo?
3. How do I know if my WAV file is mono or stereo Python?

Can mono be converted to stereo?

You can convert audio files from mono to stereo and from stereo to mono. Converting a mono file into a stereo file produces an audio file that contains the same material in both channels, for example for further processing into real stereo.

How do I switch from mono to stereo?

Select the Start button, then select Settings > Accessibility > Audio, and then switch on the Mono audio toggle.

How do I know if my WAV file is mono or stereo Python?

Flip the phase of one side & sum the outputs to mono.

If the result is silence, then it was mono; if not, it was stereo.