class_docstr: Test transcoding from another wav
class_docstr_tok: ["Test","transcoding","from","another","wav"]
code: def setUp(self):
      super(TestTranscodingFromAnotherWav, self).setUp()
      self.source = samples["C4_scale.wav"]
  
imports: from __future__ import division
  from timeside.core.processor import get_processor, ProcessPipe
  from timeside.plugins.decoder.aubio import AubioDecoder
  import os
  import unittest
  from unit_timeside import TestRunner
  from tools import tmp_file_sink
  from timeside.core.tools.test_samples import samples
label_desc: Use image node_id 1 for calling the TestTranscodingFromAnotherWav obj's underlying member method code with example usage: obj.setUp() without return types