---
language: [fa]
library_name: nemo
license: cc-by-4.0
tags: [automatic-speech-recognition, speech, FastConformer, Transducer, CTC, NeMo, persian, on-device]
---
# Shenava — FastConformer-Hybrid Large (fa) — de-poisoned Phase B v4

115M EncDecHybridRNNTCTCBPE (RNNT+CTC), 16kHz. On-device offline Persian ASR for the VisualEars project.

## Golden6669 (held-out gold, official Persian normalizer)
| head | WER | CER |
|---|---|---|
| **RNNT** | **7.29%** | **1.63%** |
| CTC | 7.92% | 1.87% |

vs prev best (B2) 8.02%/1.82%, vs cloud Gemini 6.49% — **fully offline**.

## Recipe
De-poisoned 7,417h corpus (crap-classifier cut + gates + telephooney-CTC 534h), Phase A continued (→8.73%) + Phase B gold-anchor with 1,420 human corrections (→7.29%).