class_docstr: Test encoding features
class_docstr_tok: ["Test","encoding","features"]
docstr: Test mp3 encoding
docstr_tok: ["Test","mp3","encoding"]
code: def testMp3(self):
      "Test mp3 encoding"
      from timeside.plugins.encoder.mp3 import Mp3Encoder
  
      self.encoder_function = Mp3Encoder
      self.delta = 0.23
  
imports: from __future__ import division
  from math import pi
  import numpy
  from unit_timeside import *
  from timeside.plugins.decoder.utils import get_uri, get_media_uri_info
  from timeside.plugins.decoder.array import ArrayDecoder
  import os
  from tools import tmp_file_sink
label_desc: Use image node_id 5 for calling the TestEncoding obj's underlying member method code with example usage: obj.testMp3() without return types