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Browse files- README.md +17 -8
- app.py +59 -0
- packages.txt +1 -0
- requirements.txt +3 -0
README.md
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---
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title:
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emoji:
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colorFrom: pink
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colorTo: purple
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sdk: gradio
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pinned: false
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license: mit
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short_description: Trick on choukai test
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---
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---
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title: JP Audio → Text (Upload Only)
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emoji: 🗾
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colorFrom: pink
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colorTo: purple
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sdk: gradio
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python_version: "3.10"
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suggested_hardware: "a10g-small"
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---
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**日本語音声(最大2分)をアップロードしてテキスト化**する最小構成のSpaceです。
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- モデル: `faster-whisper`(デフォルトは `Systran/faster-whisper-small`)
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- 言語は固定で **日本語** に設定(`language="ja"`)
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- マイク録音UIは無効。**アップロードのみ**。
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### 環境変数(任意)
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- `MODEL_NAME` … 例: `Systran/faster-whisper-small`, `large-v3`, `distil-large-v3`
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- `VAD_FILTER` … `"1"`(既定)/ `"0"`
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- `MAX_SECONDS` … 既定: `120`
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### 注意
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- ハードウェアは CPU でも動作しますが、GPU のほうが高速です(Settings → Hardware)。
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- `packages.txt` で `ffmpeg` をインストールしています。
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app.py
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import os
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import gradio as gr
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from faster_whisper import WhisperModel
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import soundfile as sf
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# Fixed config for this app
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MODEL_NAME = os.getenv("MODEL_NAME", "Systran/faster-whisper-small") # fast & accurate enough for short clips
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LANGUAGE = "ja" # force Japanese
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VAD = os.getenv("VAD_FILTER", "1") == "1"
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MAX_SECONDS = int(os.getenv("MAX_SECONDS", "120")) # 2 minutes
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_model = None
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def get_model():
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global _model
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if _model is not None:
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return _model
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# GPU first, then CPU fallbacks
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for device, compute_type in [("cuda", "float16"), ("cuda", "int8_float16"), ("cpu", "int8")]:
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try:
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m = WhisperModel(MODEL_NAME, device=device, compute_type=compute_type)
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_model = m
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print(f"[load] {MODEL_NAME} on {device}/{compute_type}")
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return _model
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except Exception as e:
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print(f"[load-failed] {device}/{compute_type}: {e}")
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continue
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raise RuntimeError("Unable to load model.")
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def transcribe_upload(audio_path):
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if not audio_path:
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return "ファイルが選択されていません。"
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# duration guard
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try:
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data, sr = sf.read(audio_path)
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duration = len(data) / float(sr)
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if duration > MAX_SECONDS:
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return f"音声が長すぎます({duration:.1f}秒)。最大{MAX_SECONDS}秒のファイルのみ対応しています。"
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except Exception as e:
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print(f"[warn] duration check failed: {e}")
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model = get_model()
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segments, info = model.transcribe(
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audio_path,
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language=LANGUAGE, # 固定: 日本語
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task="transcribe",
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vad_filter=VAD,
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)
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text = "".join(seg.text for seg in segments)
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return text.strip()
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with gr.Blocks() as demo:
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gr.Markdown("# 🇯🇵 日本語 音声→テキスト(アップロードのみ)\n- 日本語の音声ファイル(最大2分)をアップロードしてください。\n- 変換後のテキストが下に表示されます。")
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audio = gr.Audio(sources=["upload"], type="filepath", label="音声ファイルをアップロード(<2分)")
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out = gr.Textbox(lines=8, label="テキスト")
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gr.Button("文字起こし").click(transcribe_upload, inputs=[audio], outputs=[out])
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demo.queue(concurrency_count=2).launch()
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packages.txt
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ffmpeg
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requirements.txt
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faster-whisper>=1.1.0
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gradio>=4.40.0
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soundfile
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