remove unused function from audiofile.py

import struct

import subprocess as sp

import warnings

from importlib import import_module

from tempfile import TemporaryDirectory

from typing import Optional, Tuple

    return measured_loudness, scale_factor

def print_plot_play(x: np.ndarray, fs: int, text: Optional[str] = "") -> None:

    """1. Prints information about an audio signal, 2. plots the waveform, and 3. Creates player

    Parameters

    ----------

    x: np array

        Input signal

    fs: int

        Input sampling rate

    text: Optional[str] = ''

        text to print

    Returns

    -------

    None

    """

    plt = import_module("matplotlib.pyplot")

    ipd = import_module("IPython.display")

    print("%s fs = %d, x.shape = %s, x.dtype = %s" % (text, fs, x.shape, x.dtype))

    plt.figure(figsize=(8, 2))

    plt.plot(x, color="gray")

    plt.xlim([0, x.shape[0]])

    plt.xlabel("Time (samples)")

    plt.ylabel("Amplitude")

    plt.tight_layout()

    plt.show()

    ipd.display(ipd.Audio(data=x, rate=fs))

def get_wav_file_info(filename: str) -> dict:

    """

    Get the format information from a WAV file.