docstr: Trim silent parts with a threshold and 0.01 sec margin 
docstr_tok: ["Trim","silent","parts","with","a","threshold","and","0.01","sec","margin"]
code: def trim_silence(self, wav):
      """Trim silent parts with a threshold and 0.01 sec margin"""
      margin = int(self.sample_rate * 0.01)
      wav = wav[margin:-margin]
      return librosa.effects.trim(
          wav,
          top_db=self.trim_db,
          frame_length=self.win_length,
          hop_length=self.hop_length,
      )[0]
  
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 24 for calling the AudioProcessor obj's underlying member method code with example usage: obj.trim_silence(wav) and returns: librosa