Jitter refers to small, irregular timing deviations in the digital clock that governs when samples are recorded or played back. Excessive jitter leads to distortion, reduced stereo imaging precision, and loss of clarity.
Jitter correction circuits stabilise the timing by re-clocking the signal or filtering out fluctuations. Modern converters and digital interfaces include sophisticated jitter reduction and synchronisation systems to maintain precise timing, essential for high-fidelity digital audio.