class_docstr: Test transcoding from a mono wav
class_docstr_tok: ["Test","transcoding","from","a","mono","wav"]
docstr: Test conversion to m4a
docstr_tok: ["Test","conversion","to","m4a"]
code: def testM4a(self):
      "Test conversion to m4a"
      super(TestTranscodingFromMonoWav, self).testM4a()
      self.test_channels = False
  
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 2 for calling the TestTranscodingFromMonoWav obj's underlying member method code with example usage: obj.testM4a() without return types