Wavetable frame size

Wavetable frame size is the number of samples in each single-cycle frame, held constant across the whole table.

Sizes are almost always powers of two — 256, 512, 1024, 2048 — because table-lookup oscillators and FFT-based tools index efficiently at those lengths. The choice trades spectral resolution (how many partials a frame can hold, and how cleanly low notes can stay bright) against memory and editing detail, and since importers slice packed WAVs by this length it has to match the target instrument's expectation.