class_docstr: Helper functions to compute specgrams.
class_docstr_tok: ["Helper","functions","to","compute","specgrams","."]
docstr: Converts waves to mel-spectrograms.
docstr_tok: ["Converts","waves","to","mel-spectrograms","."]
code: def waves_to_melspecgrams(self, waves):
      """Converts waves to mel-spectrograms."""
      return self.stfts_to_melspecgrams(self.waves_to_stfts(waves))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from magenta.models.gansynth.lib import spectral_ops
  import numpy
  import tensorflow.compat.v1
label_desc: Use image node_id 17 for calling the SpecgramsHelper obj's underlying member method code with example usage: obj.waves_to_melspecgrams(waves) and returns: self