{ "date": "2026-04-13", "text_records": 9000, "audio_records": 623, "text_split": { "train": 7200, "dev": 900, "test": 900 }, "audio_split": { "train": 498, "dev": 62, "test": 63 }, "anti_leakage_ok": true, "kpi": { "avg_cs_acceptability": 0.757, "avg_mos_proxy": 4.4, "avg_asr_backtrans_wer": 0.12 } }