code: def test_wav_stereo_8_bit(self):
      r = sr.Recognizer()
      with sr.AudioFile(
          path.join(
              path.dirname(path.realpath(__file__)),
              "audio-stereo-8-bit-44100Hz.wav",
          )
      ) as source:
          audio = r.record(source)
      self.assertIsInstance(audio, sr.AudioData)
      self.assertEqual(audio.sample_rate, 44100)
      self.assertEqual(audio.sample_width, 1)
      self.assertSimilar(
          audio.get_raw_data()[:32],
          b"\x00\xff\x00\xff\x00\x00\xff\x7f\x7f\x00\xff\x00\xff\x00\x00\xff\x00\x7f\x7f\x7f\x00\x00\xff\x00\xff\x00\xff\x00\x7f\x7f\x7f\x7f",
      )
  
imports: import unittest
  from os import path
  import speech_recognition
label_desc: Use image node_id 7 for calling the TestAudioFile obj's underlying member method code with example usage: obj.test_wav_stereo_8_bit() without return types