diff --git a/source/use_case/noise_reduction/include/UseCaseHandler.hpp b/source/use_case/noise_reduction/include/UseCaseHandler.hpp
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+++ b/source/use_case/noise_reduction/include/UseCaseHandler.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 NOISE_REDUCTION_EVT_HANDLER_HPP
+#define NOISE_REDUCTION_EVT_HANDLER_HPP
+
+#include "AppContext.hpp"
+#include "Model.hpp"
+
+namespace arm {
+namespace app {
+
+    /**
+     * @brief       Handles the inference event for noise reduction.
+     * @param[in]   ctx         pointer to the application context
+     * @param[in]   runAll      flag to request classification of all the available audio clips
+     * @return      True or false based on execution success
+     **/
+    bool NoiseReductionHandler(ApplicationContext& ctx, bool runAll);
+
+    /**
+     * @brief           Dumps the output tensors to a memory address.
+     * This functionality is required for RNNoise use case as we want to
+     * save the inference output to a file. Dumping out tensors to a
+     * memory location will allow the Arm FVP or MPS3 to extract the
+     * contents of this memory location to a file. This file could then
+     * be used by an offline post-processing script.
+     *
+     * @param[in]   model       reference to a model
+     * @param[in]   memAddress  memory address at which the dump will start
+     * @param[in]   memSize     maximum size (in bytes) of the dump.
+     *
+     * @return  number of bytes written to memory.
+     */
+    size_t DumpOutputTensorsToMemory(Model& model, uint8_t* memAddress,
+                                    size_t memSize);
+
+    /**
+     * @brief Dumps the audio file header.
+     * This functionality is required for RNNoise use case as we want to
+     * save the inference output to a file. Dumping out the header to a
+     * memory location will allow the Arm FVP or MPS3 to extract the
+     * contents of this memory location to a file. 
+     * The header contains the following information 
+     * int32_t filenameLength: filename length
+     * uint8_t[] filename: the string containing the file name (without trailing \0)
+     * int32_t dumpSizeByte: audiofile buffer size in bytes
+     *
+     * @param[in]   filename    the file name
+     * @param[in]   dumpSize    the size of the audio file (int elements)
+     * @param[in]   memAddress  memory address at which the dump will start
+     * @param[in]   memSize     maximum size (in bytes) of the dump.
+     *
+     * @return  number of bytes written to memory.
+     */
+    size_t DumpDenoisedAudioHeader(const char* filename, size_t dumpSize,
+                                   uint8_t* memAddress, size_t memSize);
+
+    /**
+     * @brief Write a EOF marker at the end of the dump memory.
+     *
+     * @param[in]   memAddress  memory address at which the dump will start
+     * @param[in]   memSize     maximum size (in bytes) of the dump.
+     *
+     * @return  number of bytes written to memory.
+     */
+    size_t DumpDenoisedAudioFooter(uint8_t *memAddress, size_t memSize);
+
+    /**
+     * @brief Dump the audio data to the memory
+     *
+     * @param[in]   audioFrame  The vector containg the audio data
+     * @param[in]   memAddress  memory address at which the dump will start
+     * @param[in]   memSize     maximum size (in bytes) of the dump.
+     *
+     * @return  number of bytes written to memory.
+     */
+    size_t DumpOutputDenoisedAudioFrame(const std::vector<int16_t> &audioFrame,
+                                        uint8_t *memAddress, size_t memSize);
+
+} /* namespace app */
+} /* namespace arm */
+
+#endif /* NOISE_REDUCTION_EVT_HANDLER_HPP */
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