word-timed-karaoke-lyrics

A per-word karaoke wipe driven straight off a ticking time source looks stepped instead of smooth, a word that was already fully sung stays lit after the user seeks backward past it, or skinning an existing line-level lyrics renderer for word-level highlighting leaves an unsynced sheet glowing white end to end. Use when building or debugging word-by-word lyric highlighting, a synced-transcript view, or any…