glossary
Sample-rate conversion rebuilds audio on a different time grid.
Sample-rate conversion changes audio from one sample rate, such as 48 kHz, to another, such as 44.1 kHz. The process uses filtering and interpolation to reconstruct the signal at the new rate.
Good conversion should be transparent, but it can still change peak values and reveal issues near the final ceiling.
When the waveform is reconstructed on a new sample grid, sample peaks and true peaks may not land in exactly the same place. A file that looked safe before conversion can measure differently afterward.
Poor conversion can also introduce aliasing, ringing, or high-frequency changes.
Choose the delivery sample rate intentionally and avoid unnecessary back-and-forth conversion. After conversion, check loudness, true peak, and obvious artifacts on the rendered file.
Meter Core helps confirm that the converted file still matches the intended peak and loudness margin.