1 files changed, 47 insertions, 0 deletions
diff --git a/source/use_case/asr/src/OutputDecode.cc b/source/use_case/asr/src/OutputDecode.cc
new file mode 100644
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+++ b/source/use_case/asr/src/OutputDecode.cc
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "OutputDecode.hpp"
+
+namespace arm {
+namespace app {
+namespace audio {
+namespace asr {
+
+    std::string DecodeOutput(const std::vector<ClassificationResult>& vecResults)
+    {
+        std::string CleanOutputBuffer;
+
+        for (size_t i = 0; i < vecResults.size(); ++i)  /* For all elements in vector. */
+        {
+            while (i+1 < vecResults.size() &&
+                   vecResults[i].m_label == vecResults[i+1].m_label)  /* While the current element is equal to the next, ignore it and move on. */
+            {
+                ++i;
+            }
+            if (vecResults[i].m_label != "$")  /* $ is a character used to represent unknown and double characters so should not be in output. */
+            {
+                CleanOutputBuffer += vecResults[i].m_label;  /* If the element is different to the next, it will be appended to CleanOutputBuffer. */
+            }
+        }
+
+        return CleanOutputBuffer;  /* Return string type containing clean output. */
+    }
+
+} /* namespace asr */
+} /* namespace audio */
+} /* namespace app */
+} /* namespace arm */