If you're working digitally, you won't introduce any noise. There is the possibility of errors in sounds between 22.05kHz and 24 kHz, but they're easily fixed w

If you're working digitally, you won't introduce any noise. There is the possibility of errors in sounds between 22.05kHz and 24 kHz, but they're easily fixed with a low-pass-filter at 22Khz before resampling.