Opensource ML embedded evaluation kit
Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
diff --git a/source/use_case/kws_asr/include/DsCnnMfcc.hpp b/source/use_case/kws_asr/include/DsCnnMfcc.hpp
new file mode 100644
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+++ b/source/use_case/kws_asr/include/DsCnnMfcc.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 KWS_ASR_DSCNN_MFCC_HPP
+#define KWS_ASR_DSCNN_MFCC_HPP
+
+#include "Mfcc.hpp"
+
+namespace arm {
+namespace app {
+namespace audio {
+
+ /* Class to provide DS-CNN specific MFCC calculation requirements. */
+ class DsCnnMFCC : public MFCC {
+
+ public:
+ static constexpr uint32_t ms_defaultSamplingFreq = 16000;
+ static constexpr uint32_t ms_defaultNumFbankBins = 40;
+ static constexpr uint32_t ms_defaultMelLoFreq = 20;
+ static constexpr uint32_t ms_defaultMelHiFreq = 4000;
+ static constexpr bool ms_defaultUseHtkMethod = true;
+
+
+ explicit DsCnnMFCC(const size_t numFeats, const size_t frameLen)
+ : MFCC(MfccParams(
+ ms_defaultSamplingFreq, ms_defaultNumFbankBins,
+ ms_defaultMelLoFreq, ms_defaultMelHiFreq,
+ numFeats, frameLen, ms_defaultUseHtkMethod))
+ {}
+ DsCnnMFCC() = delete;
+ ~DsCnnMFCC() = default;
+ };
+
+} /* namespace audio */
+} /* namespace app */
+} /* namespace arm */
+
+#endif /* KWS_ASR_DSCNN_MFCC_HPP */