diff options
Diffstat (limited to 'source/application/main/include/Mfcc.hpp')
| -rw-r--r-- | source/application/main/include/Mfcc.hpp | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/source/application/main/include/Mfcc.hpp b/source/application/main/include/Mfcc.hpp index dcafe62..6b11ebb 100644 --- a/source/application/main/include/Mfcc.hpp +++ b/source/application/main/include/Mfcc.hpp @@ -104,14 +104,14 @@ namespace audio { float minVal = std::numeric_limits<T>::min(); float maxVal = std::numeric_limits<T>::max(); - std::vector<T> mfccOut(this->_m_params.m_numMfccFeatures); - const size_t numFbankBins = this->_m_params.m_numFbankBins; + std::vector<T> mfccOut(this->m_params.m_numMfccFeatures); + const size_t numFbankBins = this->m_params.m_numFbankBins; /* Take DCT. Uses matrix mul. */ for (size_t i = 0, j = 0; i < mfccOut.size(); ++i, j += numFbankBins) { float sum = 0; for (size_t k = 0; k < numFbankBins; ++k) { - sum += this->_m_dctMatrix[j + k] * this->_m_melEnergies[k]; + sum += this->m_dctMatrix[j + k] * this->m_melEnergies[k]; } /* Quantize to T. */ sum = std::round((sum / quantScale) + quantOffset); @@ -131,7 +131,7 @@ namespace audio { /** * @brief Project input frequency to Mel Scale. * @param[in] freq Input frequency in floating point. - * @param[in] useHTKmethod bool to signal if HTK method is to be + * @param[in] useHTKMethod bool to signal if HTK method is to be * used for calculation. * @return Mel transformed frequency in floating point. **/ @@ -141,8 +141,8 @@ namespace audio { /** * @brief Inverse Mel transform - convert MEL warped frequency * back to normal frequency. - * @param[in] freq Mel frequency in floating point. - * @param[in] useHTKmethod bool to signal if HTK method is to be + * @param[in] melFreq Mel frequency in floating point. + * @param[in] useHTKMethod bool to signal if HTK method is to be * used for calculation. * @return Real world frequency in floating point. **/ @@ -207,17 +207,17 @@ namespace audio { bool useHTKMethod); private: - MfccParams _m_params; - std::vector<float> _m_frame; - std::vector<float> _m_buffer; - std::vector<float> _m_melEnergies; - std::vector<float> _m_windowFunc; - std::vector<std::vector<float>> _m_melFilterBank; - std::vector<float> _m_dctMatrix; - std::vector<uint32_t> _m_filterBankFilterFirst; - std::vector<uint32_t> _m_filterBankFilterLast; - bool _m_filterBankInitialised; - arm::app::math::FftInstance _m_fftInstance; + MfccParams m_params; + std::vector<float> m_frame; + std::vector<float> m_buffer; + std::vector<float> m_melEnergies; + std::vector<float> m_windowFunc; + std::vector<std::vector<float>> m_melFilterBank; + std::vector<float> m_dctMatrix; + std::vector<uint32_t> m_filterBankFilterFirst; + std::vector<uint32_t> m_filterBankFilterLast; + bool m_filterBankInitialised; + arm::app::math::FftInstance m_fftInstance; /** * @brief Initialises the filter banks and the DCT matrix. **/ |