code: def get_segment_start(signal: np.ndarray, segment: np.ndarray) -> int:
      """Get starting point of `segment` in `signal`.
      We assume that `segment` is a sub-segment of `signal`.
      For example, `signal` may be a 10 second audio signal,
      and `segment` could be the signal between 2 seconds and
      5 seconds. This function will then return the index of
      the sample where `segment` starts (at 2 seconds).
  
      Args:
          signal: numpy array with shape (num_samples,)
          segment: numpy array with shape (num_samples,)
  
      Returns:
          Index of the start of `segment` in `signal`.
      """
      if len(signal) <= len(segment):
          raise ValueError(
              f"segment must be shorter than signal: len(segment) = {len(segment)}, len(signal) = {len(signal)}"
          )
      cc = scipy.signal.correlate(signal, segment, mode="valid")
      return np.argmax(cc)
  
imports: import math
  from typing import Iterable, Optional, Union
  import librosa
  import numpy
  import numpy.typing
  import scipy
  import soundfile
  import torch
  from scipy.spatial.distance import pdist, squareform
  from nemo.utils import logging
label_desc: Use image node_id 12 for calling a global function with example usage: get_segment_start(signal, segment) and returns: np