diff options
Diffstat (limited to 'source/use_case/asr/src/Wav2LetterPreprocess.cc')
| -rw-r--r-- | source/use_case/asr/src/Wav2LetterPreprocess.cc | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/source/use_case/asr/src/Wav2LetterPreprocess.cc b/source/use_case/asr/src/Wav2LetterPreprocess.cc index 590d08a..92b0631 100644 --- a/source/use_case/asr/src/Wav2LetterPreprocess.cc +++ b/source/use_case/asr/src/Wav2LetterPreprocess.cc @@ -25,9 +25,9 @@ namespace arm { namespace app { - ASRPreProcess::ASRPreProcess(TfLiteTensor* inputTensor, const uint32_t numMfccFeatures, - const uint32_t numFeatureFrames, const uint32_t mfccWindowLen, - const uint32_t mfccWindowStride + AsrPreProcess::AsrPreProcess(TfLiteTensor* inputTensor, const uint32_t numMfccFeatures, + const uint32_t numFeatureFrames, const uint32_t mfccWindowLen, + const uint32_t mfccWindowStride ): m_mfcc(numMfccFeatures, mfccWindowLen), m_inputTensor(inputTensor), @@ -44,7 +44,7 @@ namespace app { } } - bool ASRPreProcess::DoPreProcess(const void* audioData, const size_t audioDataLen) + bool AsrPreProcess::DoPreProcess(const void* audioData, const size_t audioDataLen) { this->m_mfccSlidingWindow = audio::SlidingWindow<const int16_t>( static_cast<const int16_t*>(audioData), audioDataLen, @@ -82,7 +82,7 @@ namespace app { } /* Compute first and second order deltas from MFCCs. */ - ASRPreProcess::ComputeDeltas(this->m_mfccBuf, this->m_delta1Buf, this->m_delta2Buf); + AsrPreProcess::ComputeDeltas(this->m_mfccBuf, this->m_delta1Buf, this->m_delta2Buf); /* Standardize calculated features. */ this->Standarize(); @@ -112,9 +112,9 @@ namespace app { return false; } - bool ASRPreProcess::ComputeDeltas(Array2d<float>& mfcc, - Array2d<float>& delta1, - Array2d<float>& delta2) + bool AsrPreProcess::ComputeDeltas(Array2d<float>& mfcc, + Array2d<float>& delta1, + Array2d<float>& delta2) { const std::vector <float> delta1Coeffs = {6.66666667e-02, 5.00000000e-02, 3.33333333e-02, @@ -167,7 +167,7 @@ namespace app { return true; } - void ASRPreProcess::StandardizeVecF32(Array2d<float>& vec) + void AsrPreProcess::StandardizeVecF32(Array2d<float>& vec) { auto mean = math::MathUtils::MeanF32(vec.begin(), vec.totalSize()); auto stddev = math::MathUtils::StdDevF32(vec.begin(), vec.totalSize(), mean); @@ -186,14 +186,14 @@ namespace app { } } - void ASRPreProcess::Standarize() + void AsrPreProcess::Standarize() { - ASRPreProcess::StandardizeVecF32(this->m_mfccBuf); - ASRPreProcess::StandardizeVecF32(this->m_delta1Buf); - ASRPreProcess::StandardizeVecF32(this->m_delta2Buf); + AsrPreProcess::StandardizeVecF32(this->m_mfccBuf); + AsrPreProcess::StandardizeVecF32(this->m_delta1Buf); + AsrPreProcess::StandardizeVecF32(this->m_delta2Buf); } - float ASRPreProcess::GetQuantElem( + float AsrPreProcess::GetQuantElem( const float elem, const float quantScale, const int quantOffset, |