code: def load_wav(self, filename, sr=None):
      if self.resample:
          x, sr = librosa.load(filename, sr=self.sample_rate)
      elif sr is None:
          x, sr = sf.read(filename)
          assert self.sample_rate == sr, "%s vs %s" % (
              self.sample_rate,
              sr,
          )
      else:
          x, sr = librosa.load(filename, sr=sr)
      if self.do_trim_silence:
          try:
              x = self.trim_silence(x)
          except ValueError:
              print(
                  f" [!] File cannot be trimmed for silence - {filename}"
              )
      if self.do_sound_norm:
          x = self.sound_norm(x)
      return x
  
imports: import librosa
  import soundfile
  import numpy
  import scipy.io.wavfile
  import scipy.signal
  from TTS.tts.utils.data import StandardScaler
label_desc: Use image node_id 26 for calling the AudioProcessor obj's underlying member method code with example usage: obj.load_wav(filename, sr) and returns: x