MLECO-1253 Adding ASR sample application using the PyArmNN api

Change-Id: I450b23800ca316a5bfd4608c8559cf4f11271c21
Signed-off-by: Éanna Ó Catháin <eanna.ocathain@arm.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/python/pyarmnn/examples/speech_recognition/tests/test_decoder.py b/python/pyarmnn/examples/speech_recognition/tests/test_decoder.py
new file mode 100644
index 0000000000..3b99e6504a
--- /dev/null
+++ b/python/pyarmnn/examples/speech_recognition/tests/test_decoder.py
@@ -0,0 +1,28 @@
+# Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+# SPDX-License-Identifier: MIT
+
+import os
+
+import numpy as np
+
+from context import common_utils
+from context import audio_utils
+
+
+def test_labels(test_data_folder):
+    labels_file = os.path.join(test_data_folder, "wav2letter_labels.txt")
+    labels = common_utils.dict_labels(labels_file)
+    assert len(labels) == 29
+    assert labels[26] == "\'"
+    assert labels[27] == r" "
+    assert labels[28] == "$"
+
+
+def test_decoder(test_data_folder):
+    labels_file = os.path.join(test_data_folder, "wav2letter_labels.txt")
+    labels = common_utils.dict_labels(labels_file)
+
+    output_tensor = os.path.join(test_data_folder, "inf_out.npy")
+    encoded = np.load(output_tensor)
+    decoded_text = audio_utils.decode(encoded, labels)
+    assert decoded_text == "and he walkd immediately out of the apartiment by anothe"