class_docstr: This class holds data in kaldi-style directory.
class_docstr_tok: ["This","class","holds","data","in","kaldi-style","directory","."]
docstr: Load wavfile given recid, start time and end time.
docstr_tok: ["Load","wavfile","given","recid",",","start","time","and","end","time","."]
code: def load_wav(self, recid, start=0, end=None):
      """Load wavfile given recid, start time and end time."""
      data, rate = load_wav(self.wavs[recid], start, end)
      return data, rate
  
imports: from __future__ import print_function
  import io
  import os
  import subprocess
  import sys
  from functools import lru_cache
  import numpy
  import soundfile
label_desc: Use image node_id 2 for calling the KaldiData obj's underlying member method code with example usage: obj.load_wav(recid, start, end) and returns: data,  rate