@sherez ... use Foobar2000 to convert between FLAC and WAV and choose the one YOU prefer.
Both formats are valid and with Foobar2K you can also tag the WAV files.
WAV will use at least twice as much space as FLAC so bear that in mind.
I think this thread might deserve one of these " _______________ " drawing under it.
SBT • Wadia 151 • Aliante PF