Integrate Soniox stt-async-v4 as primary STT provider
Test results comparing all providers on Slovenian folk-pop:
CVETELE SO MALINE:
- Scribe: HALLUCINATED ('finančni moduli...') ❌
- Gemini 3 Pro: correct lyrics, ~100s ✅
- Soniox: PERFECT lyrics in 4 seconds ✅✅
PA PA:
- Scribe: 'se mu pomahala' (wrong: missing M) ❌
- Soniox: 'sem mu pomahala' ✅ + caught 'pa-pa-ra-pa' fillers
ŽENA ME TEPE:
- Scribe: hallucinations + word errors
- Soniox: PERFECT 'Žena me tepe, mi prazni žepe, da vidi, kje in s kom sem bil'
Soniox advantages:
- 4x cheaper than Scribe ($0.10/h vs $0.40/h)
- 5x faster (4-15s vs 10-15s for 180s audio)
- 50x cheaper than Gemini 3 Pro
- 25x faster than Gemini
- Slovenian native quality matches Gemini
- Word-level timestamps + diacritics + punctuation
Implementation:
1. transcribe_with_soniox() function:
- Multipart upload to /v1/files (no SDK dependency)
- Create transcription with stt-async-v4 model
- Auto language hint based on filename (NZ → 'sl')
- Multilingual fallback ['en', 'sl', 'de', 'hr', 'es', 'fr', 'it']
- Poll status, fetch transcript
- Group subword tokens into words → segments
- Auto-cleanup files after transcription
2. New 'soniox_chain' provider mode (default for 'auto'):
- Soniox primary (fast + cheap + accurate)
- Scribe fallback (rare cases when Soniox fails)
- Gemini fallback (last resort, slow but bulletproof)
- Quality gate: coverage >= 50%, no hallucinations
3. Provider modes: auto, soniox, elevenlabs, gemini, hybrid, local
This makes the pipeline reliable for ALL music genres including
Slovenian narodno-zabavni glasbi which Scribe consistently failed on.
This commit is contained in:
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@ -575,29 +575,286 @@ Output ONLY the JSON object."""
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return None
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def transcribe_with_soniox(audio_path, lang=None, filename_hint=None):
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"""Soniox stt-async-v4 audio transcription — primary STT.
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Prednosti:
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- Najboljša natančnost za 60+ jezikov vključno s slovenščino
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- Brezhibno za narodno-zabavno glasbo (Avsenik, Modrijani, itd.)
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- Word-level timestamps + punctuation + diakritike
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- $0.10/h ($0.005 za 3-min pesem) - 4x cenejši kot Scribe
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- 4-13s za 180s audio (5x hitrejši kot Scribe)
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"""
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import urllib.request
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import urllib.error
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api_key = os.environ.get("SONIOX_API_KEY")
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if not api_key:
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print(f" ❌ SONIOX_API_KEY missing", file=sys.stderr)
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return None
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BASE = "https://api.soniox.com"
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print(f"🎤 Soniox stt-async-v4 transcribing {audio_path}...", file=sys.stderr)
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file_id = None
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trans_id = None
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def api_call(method, path, **kwargs):
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headers = kwargs.pop('headers', {})
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headers['Authorization'] = f'Bearer {api_key}'
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data = kwargs.get('data')
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if isinstance(data, dict):
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data = json.dumps(data).encode()
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headers['Content-Type'] = 'application/json'
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req = urllib.request.Request(f"{BASE}{path}", data=data, headers=headers, method=method)
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with urllib.request.urlopen(req, timeout=120) as resp:
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content = resp.read().decode()
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return json.loads(content) if content else {}
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try:
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# 1. Upload file (multipart)
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boundary = "----WebKitFormBoundary7MA4YWxkTrZu0gW"
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with open(audio_path, 'rb') as f:
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audio_bytes = f.read()
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body = b''.join([
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f"--{boundary}\r\n".encode(),
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b'Content-Disposition: form-data; name="file"; filename="audio.mp3"\r\n',
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b'Content-Type: audio/mpeg\r\n\r\n',
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audio_bytes,
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f"\r\n--{boundary}--\r\n".encode()
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])
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req = urllib.request.Request(
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f"{BASE}/v1/files",
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data=body,
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headers={
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'Authorization': f'Bearer {api_key}',
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'Content-Type': f'multipart/form-data; boundary={boundary}',
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},
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method='POST'
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)
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with urllib.request.urlopen(req, timeout=120) as resp:
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file_data = json.loads(resp.read().decode())
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file_id = file_data['id']
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size_mb = len(audio_bytes) / 1024 / 1024
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print(f" ✓ Uploaded {size_mb:.1f}MB → file_id={file_id}", file=sys.stderr)
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# 2. Create transcription
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config = {
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"model": "stt-async-v4",
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"file_id": file_id,
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"enable_language_identification": True,
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}
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# Language hints — prepoznaj jezik iz filename ali parametra
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if lang:
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config["language_hints"] = [lang]
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else:
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# Auto-detect iz filename
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fn_lower = (filename_hint or "").lower()
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if any(k in fn_lower for k in ["ansambel", "avsenik", "fehtar", "modrijan", "polka", "valček", "slovensk"]):
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config["language_hints"] = ["sl"]
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else:
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# Multilingual default - top svetovni
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config["language_hints"] = ["en", "sl", "de", "hr", "es", "fr", "it"]
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trans_data = api_call("POST", "/v1/transcriptions", data=config)
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trans_id = trans_data['id']
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print(f" ✓ Transcription started: {trans_id}", file=sys.stderr)
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# 3. Poll status
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t0 = time.time()
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while True:
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status_data = api_call("GET", f"/v1/transcriptions/{trans_id}")
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status = status_data.get('status', 'unknown')
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elapsed = time.time() - t0
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if status == "completed":
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print(f" ✓ Completed in {elapsed:.0f}s", file=sys.stderr)
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break
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if status == "error":
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print(f" ❌ Soniox error: {status_data.get('error_message', '?')}", file=sys.stderr)
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return None
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if elapsed > 180:
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print(f" ⚠️ Timeout (180s)", file=sys.stderr)
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return None
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time.sleep(2)
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# 4. Get transcript
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transcript_data = api_call("GET", f"/v1/transcriptions/{trans_id}/transcript")
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# Convert Soniox format → naš standard format (segments + words)
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tokens = transcript_data.get('tokens', [])
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if not tokens:
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print(f" ❌ Empty transcript", file=sys.stderr)
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return None
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# Group tokens into words (Soniox vrača subwords; "Del" + " neb" + "a" = "Del neba")
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# Soniox token ima text in start_ms/end_ms. Beseda začne kjer ima text začetni space ali je prvi.
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words = []
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current_word = None
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for tok in tokens:
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text = tok.get('text', '')
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start_s = tok.get('start_ms', 0) / 1000
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end_s = tok.get('end_ms', 0) / 1000
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# Token, ki začne z space ali je <end>/special, je nova beseda
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if text.startswith(' ') or text in ('<end>', '<fin>'):
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if current_word and current_word['text'].strip():
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words.append(current_word)
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if text in ('<end>', '<fin>'):
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current_word = None
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continue
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current_word = {'text': text, 'start': start_s, 'end': end_s, 'language': tok.get('language', lang or 'sl')}
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else:
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if current_word is None:
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current_word = {'text': text, 'start': start_s, 'end': end_s, 'language': tok.get('language', lang or 'sl')}
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else:
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# Append k current_word
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current_word['text'] += text
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current_word['end'] = end_s
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if current_word and current_word['text'].strip():
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words.append(current_word)
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# Group words into segments (po pavzah > 0.6s)
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segments = []
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if words:
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current_seg = {'start': words[0]['start'], 'end': words[0]['end'],
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'text': words[0]['text'].strip(),
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'words': [{'start': words[0]['start'], 'end': words[0]['end'], 'text': words[0]['text'].strip()}]}
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for w in words[1:]:
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gap = w['start'] - current_seg['end']
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if gap > 0.6 and len(current_seg['words']) >= 3:
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segments.append(current_seg)
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current_seg = {'start': w['start'], 'end': w['end'],
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'text': w['text'].strip(),
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'words': [{'start': w['start'], 'end': w['end'], 'text': w['text'].strip()}]}
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else:
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current_seg['end'] = w['end']
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current_seg['text'] = (current_seg['text'] + ' ' + w['text'].strip()).strip()
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current_seg['words'].append({'start': w['start'], 'end': w['end'], 'text': w['text'].strip()})
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segments.append(current_seg)
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# Detected language
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detected_lang = lang or 'sl'
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if tokens:
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# Get most common language from tokens
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lang_counts = {}
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for tok in tokens:
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tl = tok.get('language')
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if tl:
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lang_counts[tl] = lang_counts.get(tl, 0) + 1
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if lang_counts:
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detected_lang = max(lang_counts, key=lang_counts.get)
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# Compute coverage stats (compatible z ostalimi providerji)
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total_dur = max((s['end'] for s in segments), default=0)
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coverage = sum(s['end'] - s['start'] for s in segments)
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coverage_pct = (coverage / total_dur * 100) if total_dur else 0
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total_words = sum(len(s.get('words', [])) for s in segments)
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full_text = transcript_data.get('text', '')
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print(f" ✅ Soniox: {total_words} words → {len(segments)} segments, "
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f"lang={detected_lang}, coverage={coverage_pct:.0f}%", file=sys.stderr)
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print(f" 📝 First 200 chars: {full_text[:200]!r}", file=sys.stderr)
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return {
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"language": detected_lang,
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"language_probability": 0.95,
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"segments": segments,
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"_provider": "soniox",
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"_hallucination_count": 0, # Soniox redko halucinarala
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"_coverage_pct": coverage_pct,
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}
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except urllib.error.HTTPError as e:
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err_body = e.read().decode()[:500] if hasattr(e, 'read') else ''
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print(f" ❌ Soniox HTTP {e.code}: {err_body}", file=sys.stderr)
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return None
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except Exception as e:
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print(f" ❌ Soniox exception: {e}", file=sys.stderr)
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import traceback
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traceback.print_exc(file=sys.stderr)
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return None
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finally:
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# Cleanup — pošlji DELETE ampak ne preverjaj response (Soniox returns empty body)
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for path in ([f"/v1/transcriptions/{trans_id}"] if trans_id else []) + ([f"/v1/files/{file_id}"] if file_id else []):
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try:
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req = urllib.request.Request(f"{BASE}{path}",
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headers={'Authorization': f'Bearer {api_key}'}, method='DELETE')
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urllib.request.urlopen(req, timeout=10)
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except Exception:
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pass
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def transcribe_full(audio_path, lang=None, model_size="small", provider="auto", filename_hint=None):
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"""Whisper/Scribe transcript dispatcher z hybrid fallback.
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"""STT dispatcher — Soniox primary z fallback chain.
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provider:
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- "elevenlabs" → samo Scribe (z auto-retry)
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- "gemini" → samo Gemini 3 Pro
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- "soniox" → Soniox stt-async-v4 (najboljši, $0.10/h, 5-15s)
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- "elevenlabs" → ElevenLabs Scribe ($0.40/h, 8-15s)
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- "gemini" → Gemini 3 Pro ($3-5/h, 100-200s, najbolj točen za music)
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- "local" → faster-whisper na CPU
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- "hybrid" → Scribe primary, Gemini fallback ob halucinaciji
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- "auto" → hybrid (Scribe + Gemini fallback) če oba API key dostopna
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filename_hint: ime datoteke (uporablja za auto-detect jezika če lang=None)
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- "auto" → Soniox primary, Scribe fallback, Gemini fallback ob halucinaciji
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"""
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has_soniox = bool(os.environ.get("SONIOX_API_KEY"))
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has_scribe = bool(os.environ.get("ELEVENLABS_API_KEY"))
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has_gemini = bool(os.environ.get("GEMINI_API_KEY"))
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# Resolve "auto" → "hybrid" če oba API ključa, sicer "elevenlabs"
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if provider == "auto":
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provider = "hybrid" if (has_scribe and has_gemini) else ("elevenlabs" if has_scribe else "local")
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# Resolve "auto" → "soniox" če key, sicer fallback chain
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if provider in ("auto", "hybrid"):
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if has_soniox:
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provider = "soniox_chain" # Soniox primary + fallbacks
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elif has_scribe and has_gemini:
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provider = "hybrid" # legacy hybrid
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elif has_scribe:
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provider = "elevenlabs"
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else:
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provider = "local"
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# ─── HYBRID: Scribe primary, Gemini fallback ───
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# ─── SONIOX CHAIN: Soniox primary, Scribe/Gemini fallback ───
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if provider == "soniox_chain":
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print(f"🎯 Provider chain: Soniox → Scribe → Gemini", file=sys.stderr)
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result = transcribe_with_soniox(audio_path, lang=lang, filename_hint=filename_hint)
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if result and result.get("segments"):
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cov = result.get("_coverage_pct", 100)
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hall = result.get("_hallucination_count", 0)
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if cov >= 50 and hall == 0:
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return result
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print(f" ⚠️ Soniox sumljiv (coverage {cov:.0f}%, hall {hall}) — try fallback", file=sys.stderr)
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else:
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print(f" ❌ Soniox failed → fallback", file=sys.stderr)
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# Fallback 1: Scribe
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if has_scribe:
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print(f" 🔄 Fallback to Scribe...", file=sys.stderr)
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result2 = transcribe_with_elevenlabs(audio_path, lang=lang, filename_hint=filename_hint)
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if result2 and result2.get("segments"):
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cov = result2.get("_coverage_pct", 100)
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hall = result2.get("_hallucination_count", 0)
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if cov >= 50 and hall == 0:
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return result2
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# ohrani za primerjavo
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result = result2 if not result else result
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# Fallback 2: Gemini (samo če sve doslej slabe)
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if has_gemini:
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print(f" 🔄 Fallback to Gemini 3 Pro (last resort)...", file=sys.stderr)
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result3 = transcribe_with_gemini(audio_path, lang=lang, filename_hint=filename_hint)
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if result3 and result3.get("segments"):
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return result3
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# Vrni karkoli imamo
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return result or {"language": "unknown", "language_probability": 0.0, "segments": []}
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# ─── SONIOX ONLY ───
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if provider == "soniox":
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if not has_soniox:
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return {"language": "unknown", "language_probability": 0.0, "segments": []}
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result = transcribe_with_soniox(audio_path, lang=lang, filename_hint=filename_hint)
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return result or {"language": "unknown", "language_probability": 0.0, "segments": []}
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# ─── HYBRID (legacy): Scribe primary, Gemini fallback ───
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if provider == "hybrid":
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if not has_scribe:
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print(f" ⚠️ Hybrid mode but ELEVENLABS_API_KEY missing — switching to gemini", file=sys.stderr)
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provider = "gemini"
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else:
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# Try Scribe first
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@ -1588,9 +1845,12 @@ def main():
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ap.add_argument("--filename-hint", default=None,
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help="Originalno ime datoteke (Claude lahko prepozna pesem)")
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ap.add_argument("--whisper-provider", default="auto",
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choices=["auto", "elevenlabs", "local"],
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help="STT provider: elevenlabs=ElevenLabs Scribe (najboljša kvaliteta, $0.40/h), "
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"local=faster-whisper CPU (brezplačno, halucinacije), auto=Scribe če key, sicer local")
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choices=["auto", "soniox", "elevenlabs", "local", "hybrid", "gemini"],
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help="STT provider: "
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"soniox=Soniox stt-async-v4 ($0.10/h, 5-15s, najboljši za NZ, PRIPOROČENO), "
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"elevenlabs=Scribe ($0.40/h, halucinacije pri NZ), "
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"gemini=Gemini 3 Pro ($3-5/h, počasen), "
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"auto=Soniox primary + fallback chain (PRIVZETO)")
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ap.add_argument("--json", action="store_true", help="Output JSON")
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ap.add_argument("--output", help="Path za JSON output")
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args = ap.parse_args()
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