# 音声認識実装後の変更点
/// create a new instance of PathSets.
/// # Arguments
/// * `dir` - The directory where the audio and line files are located.
/// * `audio_extension` - The extension of the audio file.
/// * `line_extension` - The extension of the line file.
から
/// create a new instance of PathSets.
/// # Arguments
/// * `dir` - The directory where the audio and line files are located.
/// * `audio_extension` - The extension of the audio file.
/// * `line_extension` - The extension of the line file.
/// * `use_recognition` - Whether to use recognition or not.
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