| import os |
| import json |
| import base64 |
| import requests |
|
|
| def wav_to_base64_url(wav_path): |
| with open(wav_path, "rb") as f: |
| b64_audio = base64.b64encode(f.read()).decode() |
| return f"data:audio/wav;base64,{b64_audio}" |
|
|
| def is_api_available(api_url): |
| try: |
| response = requests.get(api_url) |
| return response.status_code < 500 |
| except Exception as e: |
| print("[Error] Cannot reach API:", e) |
| return False |
|
|
| def annotate_mispronunciation(session_id, api_url="http://localhost:8080", base_dir="session_data"): |
| json_path = os.path.join(base_dir, session_id, f"{session_id}_transcriptionCW.json") |
| if not os.path.exists(json_path): |
| print(f"[Error] File not found: {json_path}") |
| return |
|
|
| if not is_api_available(api_url): |
| print(f"[Error] API not available at {api_url}") |
| return |
|
|
| with open(json_path, "r", encoding="utf-8") as f: |
| data = json.load(f) |
|
|
| segments = data.get("segments", []) |
| for segment in segments: |
| start = segment["start"] |
| end = segment["end"] |
| speaker = segment["speaker"] |
| filename = f"{session_id}-{start:.2f}-{end:.2f}-{speaker}.wav" |
| filepath = os.path.join(base_dir, session_id, filename) |
| if not os.path.exists(filepath): |
| print(f"[Warning] Audio file missing: {filename}") |
| continue |
|
|
| audio_url = wav_to_base64_url(filepath) |
| try: |
| resp = requests.post( |
| f"{api_url}/vocallens/api/analyze", |
| headers={"Content-Type": "application/json"}, |
| data=json.dumps([audio_url]) |
| ) |
| if resp.status_code == 200: |
| result = resp.json() |
| segment["mispronunciation"] = result.get("ce", "") |
| else: |
| print(f"[Warning] API error {resp.status_code} for {filename}") |
| segment["mispronunciation"] = "" |
| except Exception as e: |
| print(f"[Error] Exception during API call for {filename}:", e) |
| segment["mispronunciation"] = "" |
|
|
| with open(json_path, "w", encoding="utf-8") as f: |
| json.dump(data, f, indent=4, ensure_ascii=False) |
| |
| print(f"Session {session_id} mispronunciation annotation done: {json_path}") |
| return data |
|
|
| if __name__ == "__main__": |
| annotate_mispronunciation("000030") |
|
|
