code: def testSimpleFloatScaled(self):
      with self.test_session():
          audio = tf.constant(
              [0, 32767, 0, -32768]
              * ((WINDOW_SIZE + 4 * WINDOW_STEP) // 4),
              tf.int16,
          )
          filterbanks = frontend_op.audio_microfrontend(
              audio,
              sample_rate=SAMPLE_RATE,
              window_size=WINDOW_SIZE,
              window_step=WINDOW_STEP,
              num_channels=NUM_CHANNELS,
              upper_band_limit=UPPER_BAND_LIMIT,
              lower_band_limit=LOWER_BAND_LIMIT,
              smoothing_bits=SMOOTHING_BITS,
              enable_pcan=True,
              out_scale=64,
              out_type=tf.float32,
          )
          self.assertAllEqual(
              self.evaluate(filterbanks),
              [
                  [7.484375, 6.640625],
                  [6.8125, 5.90625],
                  [6.40625, 5.46875],
                  [6.109375, 5.078125],
              ],
          )
  
file_path: tensorflow-upstream/tensorflow/lite/experimental/microfrontend/python/kernel_tests/audio_microfrontend_op_test.py
imports: import tensorflow
  from tensorflow.lite.experimental.microfrontend.python.ops import audio_microfrontend_op
  from tensorflow.python.framework import ops
label_desc: Use image node_id 3 for calling the AudioFeatureGenerationTest obj's underlying member method code with example usage: obj.testSimpleFloatScaled() without return types