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| author | Richard Burton <richard.burton@arm.com> | 2022-04-22 16:14:57 +0100 |
|---|---|---|
| committer | Richard Burton <richard.burton@arm.com> | 2022-04-22 16:14:57 +0100 |
| commit | b40ecf8522052809d2351677a96195d69e4d0c16 (patch) | |
| tree | 8647dfdae7bcae0ec6d9564ba7a971819fdda431 /source/use_case/asr/src/Wav2LetterPreprocess.cc | |
| parent | c291144b7f08c21d08cdaf79cc64dc420ca70070 (diff) | |
| download | ml-embedded-evaluation-kit-b40ecf8522052809d2351677a96195d69e4d0c16.tar.gz | |
MLECO-3174: Minor refactoring to implemented use case APIS
Looks large but it is mainly just many small adjustments
Removed the inference runner code as it wasn't used
Fixes to doc strings
Consistent naming e.g. Asr/Kws instead of ASR/KWS
Signed-off-by: Richard Burton <richard.burton@arm.com>
Change-Id: I43b620b5c51d7910a29a63b509ac4d8a82c3a8fc
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, |