code: def points(freq, resolution):
      """
      :params: freq, freq in Hz
      :params: resolution, Hz of one point
      :return: number of points equal to `freq`
      """
      return freq / resolution
  
file_path: delta/delta/data/feat/speech_feature.py
imports: import os
  import numpy
  import delta.compat
  from absl import logging
  from delta.data.feat import speech_ops
  from core.ops import py_x_ops
  from delta.data.feat import python_speech_features
label_desc: Use image node_id 12 for calling a global function with example usage: points(freq, resolution) and returns: unknown