Update app.py
Browse files
app.py
CHANGED
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@@ -4,7 +4,7 @@ import tempfile
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import numpy as np
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import soundfile as sf
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import torch
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import spaces
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import gradio as gr
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from transformers import pipeline as hf_pipeline
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@@ -14,28 +14,32 @@ HF_TOKEN = os.environ.get("HF_TOKEN", "")
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ASR_MODELS = {
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"whisper-small (gut, schnell)": "openai/whisper-small",
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"whisper-large-v3 (beste QualitΓ€t)": "openai/whisper-large-v3",
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"distil-whisper-large-v3 (empfohlen
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}
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_asr_cache: dict = {}
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_diar_pipe = None
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-
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model_id = ASR_MODELS[model_key]
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if model_id not in _asr_cache:
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_asr_cache[model_id] = hf_pipeline(
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"automatic-speech-recognition",
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model=model_id,
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device=
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chunk_length_s
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return_timestamps=True,
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)
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return _asr_cache[model_id]
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def get_diar():
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global _diar_pipe
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if _diar_pipe is None:
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if not HF_TOKEN:
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@@ -48,11 +52,26 @@ def get_diar():
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_diar_pipe = PyannotePipeline.from_pretrained(
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"pyannote/speaker-diarization-3.1",
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use_auth_token=HF_TOKEN,
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)
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return _diar_pipe
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# ββ Hilfsfunktionen βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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def merge_with_speakers(chunks: list, diarization) -> list[tuple]:
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merged = []
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@@ -94,60 +113,76 @@ def format_diarized(segments: list[tuple]) -> str:
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return "\n\n".join(lines)
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# ββ Haupt-Pipeline
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""
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raw_transcript = result["text"].strip()
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chunks
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if not use_diar:
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return raw_transcript, ""
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try:
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diarization = diar(tmp_path)
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segments
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labeled
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return raw_transcript, labeled or "(Keine Sprecher erkannt.)"
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except EnvironmentError as e:
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return raw_transcript, f"β οΈ {e}"
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except Exception as e:
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return raw_transcript, f"β οΈ Diarisierung fehlgeschlagen: {e}"
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def transcribe(audio, model_key: str, use_diar: bool):
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"""UI-Handler: Audio vorbereiten, GPU-Funktion aufrufen."""
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if audio is None:
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yield "β οΈ Kein Audio eingegeben.", ""
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return
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sample_rate, audio_data = audio
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if audio_data.ndim > 1:
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audio_data = audio_data.mean(axis=1)
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audio_data = audio_data.astype(np.float32)
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if audio_data.max() > 1.0:
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audio_data /= 32768.0
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yield "β³ GPU wird angefordert und Pipeline gestartet...", ""
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try:
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transcript, labeled = run_pipeline(tmp_path, model_key, use_diar)
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yield transcript, labeled
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finally:
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os.unlink(tmp_path)
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# ββ UI ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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TOKEN_WARNING = (
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"> β οΈ **Kein `HF_TOKEN` gefunden.** \n"
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@@ -157,12 +192,11 @@ TOKEN_WARNING = (
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"[hf.co/pyannote/speaker-diarization-3.1](https://huggingface.co/pyannote/speaker-diarization-3.1)."
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)
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with gr.Blocks(title="
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gr.Markdown("# ποΈ YAPPER Β· ZeroGPU Edition")
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gr.Markdown(
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"##
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"Lade eine
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"LΓ€uft auf NVIDIA H200 via ZeroGPU."
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)
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if not HF_TOKEN:
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@@ -177,7 +211,7 @@ with gr.Blocks(title="Meeting Transcriber (ZeroGPU)") as demo:
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)
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model_dd = gr.Dropdown(
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choices=list(ASR_MODELS.keys()),
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value="distil-whisper-large-v3 (empfohlen
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label="Transkriptionsmodell",
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)
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diar_cb = gr.Checkbox(
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@@ -201,9 +235,8 @@ with gr.Blocks(title="Meeting Transcriber (ZeroGPU)") as demo:
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gr.Markdown(
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"---\n"
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"**Hinweise:** \n"
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"β’
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"β’
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"β’ FΓΌr pyannote musst du die Lizenzbedingungen auf Hugging Face akzeptiert haben."
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)
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run_btn.click(
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import numpy as np
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import soundfile as sf
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import torch
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import spaces
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import gradio as gr
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from transformers import pipeline as hf_pipeline
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ASR_MODELS = {
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"whisper-small (gut, schnell)": "openai/whisper-small",
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"whisper-large-v3 (beste QualitΓ€t)": "openai/whisper-large-v3",
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"distil-whisper-large-v3 (empfohlen)": "distil-whisper/distil-large-v3",
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}
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_asr_cache: dict = {}
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_diar_pipe = None
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WHISPER_SR = 16_000 # Whisper erwartet immer 16 kHz
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# ββ Model Loading ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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def get_asr(model_key: str, device: str, dtype: torch.dtype):
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model_id = ASR_MODELS[model_key]
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if model_id not in _asr_cache:
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_asr_cache[model_id] = hf_pipeline(
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"automatic-speech-recognition",
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model=model_id,
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device=device,
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dtype=dtype,
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# chunk_length_s weglassen β wir ΓΌbergeben Array, kein Dateipfad
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return_timestamps=True,
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)
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return _asr_cache[model_id]
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def get_diar(device: str):
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global _diar_pipe
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if _diar_pipe is None:
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if not HF_TOKEN:
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_diar_pipe = PyannotePipeline.from_pretrained(
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"pyannote/speaker-diarization-3.1",
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use_auth_token=HF_TOKEN,
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)
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if device == "cuda":
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_diar_pipe = _diar_pipe.to(torch.device("cuda"))
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return _diar_pipe
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# ββ Hilfsfunktionen βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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def resample(audio: np.ndarray, orig_sr: int, target_sr: int) -> np.ndarray:
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"""Einfaches lineares Resampling ohne librosa-AbhΓ€ngigkeit."""
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if orig_sr == target_sr:
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return audio
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ratio = target_sr / orig_sr
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new_len = int(len(audio) * ratio)
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return np.interp(
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np.linspace(0, len(audio) - 1, new_len),
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np.arange(len(audio)),
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audio,
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).astype(np.float32)
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def merge_with_speakers(chunks: list, diarization) -> list[tuple]:
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merged = []
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return "\n\n".join(lines)
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# ββ Haupt-Pipeline βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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@spaces.GPU(duration=300)
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def run_pipeline(
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audio_array: np.ndarray,
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sample_rate: int,
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model_key: str,
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use_diar: bool,
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):
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device = "cuda" if torch.cuda.is_available() else "cpu"
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dtype = torch.float16 if device == "cuda" else torch.float32
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# ββ ASR: Array direkt ΓΌbergeben β kein torchcodec / FFmpeg nΓΆtig ββ
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audio_16k = resample(audio_array, sample_rate, WHISPER_SR)
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asr_input = {"array": audio_16k, "sampling_rate": WHISPER_SR}
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asr = get_asr(model_key, device, dtype)
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result = asr(asr_input)
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raw_transcript = result["text"].strip()
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chunks = result.get("chunks", [])
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if not use_diar:
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return raw_transcript, ""
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# ββ Diarisierung: pyannote braucht eine Datei ββββββββββββββββββββββ
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tmp_path = None
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try:
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with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as f:
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tmp_path = f.name
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sf.write(tmp_path, audio_array, sample_rate)
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diar = get_diar(device)
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diarization = diar(tmp_path)
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segments = merge_with_speakers(chunks, diarization)
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labeled = format_diarized(segments)
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return raw_transcript, labeled or "(Keine Sprecher erkannt.)"
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except EnvironmentError as e:
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return raw_transcript, f"β οΈ {e}"
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except Exception as e:
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return raw_transcript, f"β οΈ Diarisierung fehlgeschlagen: {e}"
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finally:
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if tmp_path and os.path.exists(tmp_path):
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os.unlink(tmp_path)
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# ββ Gradio-Handler ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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def transcribe(audio, model_key: str, use_diar: bool):
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if audio is None:
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yield "β οΈ Kein Audio eingegeben.", ""
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return
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sample_rate, audio_data = audio
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# Mono erzwingen
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if audio_data.ndim > 1:
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audio_data = audio_data.mean(axis=1)
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audio_data = audio_data.astype(np.float32)
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# 16-bit PCM β float normalisieren
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if audio_data.max() > 1.0:
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audio_data /= 32768.0
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yield "β³ GPU wird angefordert, Pipeline startet...", ""
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transcript, labeled = run_pipeline(audio_data, sample_rate, model_key, use_diar)
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yield transcript, labeled
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# ββ UI ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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TOKEN_WARNING = (
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"> β οΈ **Kein `HF_TOKEN` gefunden.** \n"
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"[hf.co/pyannote/speaker-diarization-3.1](https://huggingface.co/pyannote/speaker-diarization-3.1)."
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)
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with gr.Blocks(title="ποΈ YAPPER Β· ZeroGPU Edition") as demo:
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gr.Markdown("# ποΈ YAPPER Β· ZeroGPU Edition")
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gr.Markdown(
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"## Transkription & Speaker-Diarisierung fΓΌr Teams Meetings. \n"
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"Lade eine Datei hoch oder nimm direkt ΓΌber das Mikrofon auf."
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)
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if not HF_TOKEN:
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)
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model_dd = gr.Dropdown(
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choices=list(ASR_MODELS.keys()),
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value="distil-whisper-large-v3 (empfohlen)",
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label="Transkriptionsmodell",
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)
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diar_cb = gr.Checkbox(
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gr.Markdown(
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"---\n"
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"**Hinweise:** \n"
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"β’ FΓΌr pyannote musst du die Lizenzbedingungen auf Hugging Face akzeptiert haben. \n"
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"β’ ZeroGPU-Quota: 1.500 Sek/Tag fΓΌr PRO-User (reicht fΓΌr ~50 kurze Meetings)."
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)
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run_btn.click(
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