import os

def load_voice_path(voice):
    """Load the voice path from the given voice identifier."""
    return os.path.join("path_to_voice_repo", voice)

def load_configuration(config_file):
    """Load configuration settings from a specified file."""
    import json
    with open(config_file, 'r') as f:
        return json.load(f)

def save_audio_file(audio, file_path):
    """Save the generated audio to a specified file path."""
    from scipy.io.wavfile import write
    write(file_path, 22050, audio)  # Assuming a sample rate of 22050 Hz

def clip_audio(audio):
    """Clip audio to the range [-1, 1]."""
    return np.clip(audio, -1, 1)