Unlikely to be this issue since this is about resampling of (e.g. from a CD's native) 44.1kHz PCM to 48kHz, and has nothing at all to do when recording since yo

Unlikely to be this issue since this is about resampling of (e.g. from a CD's native) 44.1kHz PCM to 48kHz, and has nothing at all to do when recording since you'd most likely record at 48kHz and play at 48kHz (no HW resampling involved).