class_docstr: Test decoding for ArrayDecoder
class_docstr_tok: ["Test","decoding","for","ArrayDecoder"]
docstr: Test 2D Array multi-channel decoding
docstr_tok: ["Test","2D","Array","multi-channel","decoding"]
code: def test2DArrayMultiChannel(self):
      "Test 2D Array multi-channel decoding"
      self.source_samplerate = 16000
      self.source = np.random.randn(
          self.array_duration * self.source_samplerate, 5
      )
      self.source_channels = 5
  
imports: from __future__ import division
  from timeside.plugins.decoder.array import ArrayDecoder
  from unit_timeside import *
  import numpy
label_desc: Use image node_id 5 for calling the TestDecoding obj's underlying member method code with example usage: obj.test2DArrayMultiChannel() without return types