def audio_batch_padded():
    """
    Create audio fixtures of shape (batch_size=2,) with elements of variable length.
    """
    sample_rate = 16000
    test_input = np.ones((2, sample_rate)) * 2e3
    return test_input

    Create audio fixtures of shape (batch_size=2,) with elements of variable length.
    
tests/attacks/evasion/conftest.py