diff options
Diffstat (limited to 'source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp')
| -rw-r--r-- | source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp b/source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp index 3ffabb4..cf40fa8 100644 --- a/source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp +++ b/source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp @@ -75,16 +75,16 @@ namespace asr { * * @return true if successful, false otherwise. */ - static bool _ComputeDeltas(Array2d<float>& mfcc, - Array2d<float>& delta1, - Array2d<float>& delta2); + static bool ComputeDeltas(Array2d<float>& mfcc, + Array2d<float>& delta1, + Array2d<float>& delta2); /** * @brief Given a 2D vector of floats, computes the mean. * @param[in] vec Vector of vector of floats. * @return Mean value. */ - static float _GetMean(Array2d<float>& vec); + static float GetMean(Array2d<float>& vec); /** * @brief Given a 2D vector of floats, computes the stddev. @@ -92,20 +92,20 @@ namespace asr { * @param[in] mean Mean value of the vector passed in. * @return stddev value. */ - static float _GetStdDev(Array2d<float>& vec, - float mean); + static float GetStdDev(Array2d<float>& vec, + const float mean); /** * @brief Given a 2D vector of floats, normalises it using * the mean and the stddev * @param[in,out] vec Vector of vector of floats. */ - static void _NormaliseVec(Array2d<float>& vec); + static void NormaliseVec(Array2d<float>& vec); /** * @brief Normalises the MFCC and delta buffers. */ - void _Normalise(); + void Normalise(); /** * @brief Given the quantisation and data type limits, computes @@ -117,7 +117,7 @@ namespace asr { * @param[in] maxVal Numerical limit - maximum. * @return Floating point quantised value. */ - static float _GetQuantElem( + static float GetQuantElem( float elem, float quantScale, int quantOffset, @@ -138,7 +138,7 @@ namespace asr { * @param[in] quantOffset Quantisation offset. */ template <typename T> - bool _Quantise( + bool Quantise( T * outputBuf, const uint32_t outputBufSz, const float quantScale, @@ -163,15 +163,15 @@ namespace asr { * the tensor. */ for (uint32_t j = 0; j < this->_m_numFeatVectors; ++j) { for (uint32_t i = 0; i < this->_m_numMfccFeats; ++i) { - *outputBufMfcc++ = static_cast<T>(this->_GetQuantElem( - this->_m_mfccBuf(i, j), quantScale, - quantOffset, minVal, maxVal)); - *outputBufD1++ = static_cast<T>(this->_GetQuantElem( - this->_m_delta1Buf(i, j), quantScale, - quantOffset, minVal, maxVal)); - *outputBufD2++ = static_cast<T>(this->_GetQuantElem( - this->_m_delta2Buf(i, j), quantScale, - quantOffset, minVal, maxVal)); + *outputBufMfcc++ = static_cast<T>(this->GetQuantElem( + this->_m_mfccBuf(i, j), quantScale, + quantOffset, minVal, maxVal)); + *outputBufD1++ = static_cast<T>(this->GetQuantElem( + this->_m_delta1Buf(i, j), quantScale, + quantOffset, minVal, maxVal)); + *outputBufD2++ = static_cast<T>(this->GetQuantElem( + this->_m_delta2Buf(i, j), quantScale, + quantOffset, minVal, maxVal)); } outputBufMfcc += ptrIncr; outputBufD1 += ptrIncr; |