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PiperVoice

Struct PiperVoice 

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pub struct PiperVoice { /* private fields */ }
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テキストから音声を合成する高レベル API

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impl PiperVoice

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pub fn load( model_path: &Path, config_path: Option<&Path>, device: &str, ) -> Result<Self, PiperError>

モデルとconfigを読み込んで初期化

phoneme_type に基づいて適切な Phonemizer を自動選択:

  • OpenJTalk → JapanesePhonemizer (feature = “japanese”)
  • Bilingual/Multilingual → MultilingualPhonemizer (Unicode言語検出)
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pub fn create_phonemizer( config: &VoiceConfig, model_dir: Option<&Path>, ) -> Result<Box<dyn Phonemizer>, PiperError>

phoneme_type に基づいて Phonemizer を生成する。

model_dir はモデルファイルの親ディレクトリ。辞書ファイルの検索に使用。 テスト容易性のため独立関数として切り出し。 --test-mode (CLI) で ONNX エンジンなしに phonemizer のみ使用する場合にも利用。

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pub fn synthesize_text( &mut self, text: &str, speaker_id: Option<i64>, language_override: Option<&str>, noise_scale: f32, length_scale: f32, noise_w: f32, ) -> Result<SynthesisResult, PiperError>

テキストを音声に変換

language_override を指定すると、phonemizer の自動検出を上書きして 指定言語の language_id を使用する。多言語モデルで特定言語を強制する場合に使用。

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pub fn phonemize_to_ids(&self, text: &str) -> Result<Vec<i64>, PiperError>

テキストを音素化して phoneme IDs を返す (ONNX 推論なし)

--test-mode (CI用) で phonemization パイプラインのみ検証する場合に使用。

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pub fn text_to_wav_file( &mut self, text: &str, output: &Path, speaker_id: Option<i64>, ) -> Result<SynthesisResult, PiperError>

テキストを WAV ファイルに出力 (デフォルトパラメータ使用)

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pub fn config(&self) -> &VoiceConfig

config への参照を返す

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pub fn engine(&self) -> &OnnxEngine

engine への参照を返す

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