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Create app.py
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app.py
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import gradio as gr
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import pyttsx3
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import tempfile
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from pydub import AudioSegment
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# テンプレート設定
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TEMPLATES = {
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"標準 (ピッチ1.0, 速度1.0)": (1.0, 1.0),
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"パラオボール (高め, 少し速い)": (1.3, 1.2),
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"ウサギモード (超高め, 超速い)": (2.0, 2.0),
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"クマモード (低め, ゆっくり)": (0.8, 0.8),
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"スローリーバード (普通ピッチ, めっちゃゆっくり)": (1.0, 0.5)
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}
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def change_pitch_speed(sound, pitch_factor=1.0, speed_factor=1.0):
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new_sample_rate = int(sound.frame_rate * pitch_factor)
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sound = sound._spawn(sound.raw_data, overrides={"frame_rate": new_sample_rate})
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sound = sound.set_frame_rate(44100)
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sound = sound.speedup(playback_speed=speed_factor)
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return sound
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def read_text(text, template_name, custom_pitch, custom_speed, use_custom):
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# テンプレート選択 or カスタム
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if use_custom:
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pitch = custom_pitch
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speed = custom_speed
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else:
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pitch, speed = TEMPLATES.get(template_name, (1.0, 1.0))
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# 音声合成
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engine = pyttsx3.init()
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with tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") as fp:
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tts_filename = fp.name
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engine.save_to_file(text, tts_filename)
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engine.runAndWait()
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sound = AudioSegment.from_file(tts_filename)
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modified_sound = change_pitch_speed(sound, pitch_factor=pitch, speed_factor=speed)
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with tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") as out_fp:
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output_filename = out_fp.name
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modified_sound.export(output_filename, format="mp3")
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return output_filename
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# Gradioインターフェース
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iface = gr.Interface(
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fn=read_text,
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inputs=[
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gr.Textbox(label="読み上げるテキスト"),
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gr.Dropdown(choices=list(TEMPLATES.keys()), value="標準 (ピッチ1.0, 速度1.0)", label="テンプレートを選択"),
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gr.Slider(minimum=0.5, maximum=3.0, step=0.05, value=1.0, label="カスタムピッチ(使う場合のみ)"),
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gr.Slider(minimum=0.5, maximum=3.0, step=0.05, value=1.0, label="カスタム速度(使う場合のみ)"),
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gr.Checkbox(label="カスタム設定を使う(オンなら上のスライダー反映)", value=False)
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],
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outputs=gr.Audio(label="生成された音声"),
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title="パラオボール声 読み上げ機 テンプレート版",
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description="テンプレートを選ぶか、カスタムでピッチ・速度を指定して、自由に音声を作ろう!"
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)
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iface.launch()
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