diff --git a/source/use_case/asr/include/OutputDecode.hpp b/source/use_case/asr/include/OutputDecode.hpp
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+/*
+ * 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.
+ */
+#ifndef ASR_OUTPUT_DECODE_HPP
+#define ASR_OUTPUT_DECODE_HPP
+
+#include "AsrClassifier.hpp"
+
+namespace arm {
+namespace app {
+namespace audio {
+namespace asr {
+
+    /**
+     * @brief       Gets the top N classification results from the
+     *              output vector.
+     * @param[in]   tensor   Label output from classifier.
+     * @return      true if successful, false otherwise.
+    **/
+    std::string DecodeOutput(const std::vector<ClassificationResult>& vecResults);
+
+} /* namespace asr */
+} /* namespace audio */
+} /* namespace app */
+} /* namespace arm */
+
+#endif /* ASR_OUTPUT_DECODE_HPP */
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