diff --git a/source/use_case/asr/include/Wav2LetterMfcc.hpp b/source/use_case/asr/include/Wav2LetterMfcc.hpp
new file mode 100644
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+++ b/source/use_case/asr/include/Wav2LetterMfcc.hpp
@@ -0,0 +1,109 @@
+/*
+ * 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_WAV2LETTER_MFCC_HPP
+#define ASR_WAV2LETTER_MFCC_HPP
+
+#include "Mfcc.hpp"
+
+namespace arm {
+namespace app {
+namespace audio {
+
+    /* Class to provide Wav2Letter specific MFCC calculation requirements. */
+    class Wav2LetterMFCC : public MFCC {
+
+    public:
+        static constexpr uint32_t  ms_defaultSamplingFreq = 16000;
+        static constexpr uint32_t  ms_defaultNumFbankBins =   128;
+        static constexpr uint32_t  ms_defaultMelLoFreq    =     0;
+        static constexpr uint32_t  ms_defaultMelHiFreq    =  8000;
+        static constexpr bool      ms_defaultUseHtkMethod = false;
+
+        explicit Wav2LetterMFCC(const size_t numFeats, const size_t frameLen)
+            :  MFCC(MfccParams(
+                        ms_defaultSamplingFreq, ms_defaultNumFbankBins,
+                        ms_defaultMelLoFreq, ms_defaultMelHiFreq,
+                        numFeats, frameLen, ms_defaultUseHtkMethod))
+        {}
+
+        Wav2LetterMFCC()  = delete;
+        ~Wav2LetterMFCC() = default;
+
+    protected:
+
+        /**
+         * @brief       Overrides base class implementation of this function.
+         * @param[in]   fftVec                  Vector populated with FFT magnitudes
+         * @param[in]   melFilterBank           2D Vector with filter bank weights
+         * @param[in]   filterBankFilterFirst   Vector containing the first indices of filter bank
+         *                                      to be used for each bin.
+         * @param[in]   filterBankFilterLast    Vector containing the last indices of filter bank
+         *                                      to be used for each bin.
+         * @param[out]  melEnergies             Pre-allocated vector of MEL energies to be
+         *                                      populated.
+         * @return      true if successful, false otherwise
+         */
+        bool ApplyMelFilterBank(
+            std::vector<float>&                 fftVec,
+            std::vector<std::vector<float>>&    melFilterBank,
+            std::vector<int32_t>&               filterBankFilterFirst,
+            std::vector<int32_t>&               filterBankFilterLast,
+            std::vector<float>&                 melEnergies) override;
+
+        /**
+         * @brief           Override for the base class implementation convert mel
+         *                  energies to logarithmic scale. The difference from
+         *                  default behaviour is that the power is converted to dB
+         *                  and subsequently clamped.
+         * @param[in,out]   melEnergies   1D vector of Mel energies
+         **/
+        void ConvertToLogarithmicScale(std::vector<float>& melEnergies) override;
+
+        /**
+         * @brief       Create a matrix used to calculate Discrete Cosine
+         *              Transform. Override for the base class' default
+         *              implementation as the first and last elements
+         *              use a different normaliser.
+         * @param[in]   inputLength        input length of the buffer on which
+         *                                 DCT will be performed
+         * @param[in]   coefficientCount   Total coefficients per input length.
+         * @return      1D vector with inputLength x coefficientCount elements
+         *              populated with DCT coefficients.
+         */
+        std::vector<float> CreateDCTMatrix(int32_t inputLength,
+                                           int32_t coefficientCount) override;
+
+        /**
+         * @brief       Given the low and high Mel values, get the normaliser
+         *              for weights to be applied when populating the filter
+         *              bank. Override for the base class implementation.
+         * @param[in]   leftMel        Low Mel frequency value.
+         * @param[in]   rightMel       High Mel frequency value.
+         * @param[in]   useHTKMethod   bool to signal if HTK method is to be
+         *                             used for calculation.
+         * @return      Value to use for normalising.
+         */
+        float GetMelFilterBankNormaliser(const float&   leftMel,
+                                         const float&   rightMel,
+                                         bool     useHTKMethod) override;
+    };
+
+} /* namespace audio */
+} /* namespace app */
+} /* namespace arm */
+
+#endif /* ASR_WAV2LETTER_MFCC_HPP */
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