Zero-shot SVS (en/zh). This is the low-level engine tester: it needs a full item — the 5 per-phoneme aligned lists (ph · ep_pitches · ep_notedurs · ep_types · ph_durs), all the same length. You normally don't write this by hand: the pipeline's /synthesis step assembles it per phrase and calls this. Click Load example for a ready-to-sing item.