| """Replaceable speech policy for spoken conjugation exercises. |
| |
| The acoustic scorer is Palestinian-Arabic aware at the phoneme level, but it is not |
| treated as a general dialect ASR. In particular, an unrelated/low-confidence result |
| asks for a retry instead of becoming a grammatical error. |
| """ |
| from __future__ import annotations |
|
|
| from typing import Any |
|
|
|
|
| class SpeechEvaluationService: |
| def __init__(self, scorer: Any, pass_score: int = 75): |
| self.scorer = scorer |
| self.pass_score = pass_score |
|
|
| def evaluate(self, wav, phrase: dict, diagnostics: bool = False) -> dict: |
| result = self.scorer.score(wav, phrase, diagnostics=diagnostics) |
| if result.get("error"): |
| return {**result, "outcome": "uncertain", "counts_as_attempt": False} |
| if result.get("unrelated"): |
| return {**result, "outcome": "uncertain", "counts_as_attempt": False, |
| "message": "לא הצלחתי לזהות בביטחון את ההטיה. האזינו להקלטה ונסו שוב."} |
| correct = int(result.get("score", 0)) >= self.pass_score |
| return {**result, "outcome": "correct" if correct else "needs_work", |
| "error_kind": None if correct else "undetermined", |
| "correct": correct, "counts_as_attempt": True, |
| "message": "נכון" if correct else "לא הצלחתי לאשר את התשובה. הקשיבו להקלטה ולתשובה ונסו שוב."} |
|
|
