diff options
Diffstat (limited to 'source/use_case/ad/include/MelSpectrogram.hpp')
| -rw-r--r-- | source/use_case/ad/include/MelSpectrogram.hpp | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/source/use_case/ad/include/MelSpectrogram.hpp b/source/use_case/ad/include/MelSpectrogram.hpp index c1dd61e..22b5d29 100644 --- a/source/use_case/ad/include/MelSpectrogram.hpp +++ b/source/use_case/ad/include/MelSpectrogram.hpp @@ -49,7 +49,7 @@ namespace audio { ~MelSpecParams() = default; /** @brief String representation of parameters */ - std::string Str(); + std::string Str() const; }; /** @@ -76,7 +76,7 @@ namespace audio { * @brief Constructor * @param[in] params - Mel Spectrogram parameters */ - MelSpectrogram(const MelSpecParams& params); + explicit MelSpectrogram(const MelSpecParams& params); MelSpectrogram() = delete; ~MelSpectrogram() = default; @@ -148,7 +148,7 @@ namespace audio { * bank weights and adding them up to be placed into * bins, according to the filter bank's first and last * indices (pre-computed for each filter bank element - * by _CreateMelFilterBank function). + * by CreateMelFilterBank function). * @param[in] fftVec Vector populated with FFT magnitudes * @param[in] melFilterBank 2D Vector with filter bank weights * @param[in] filterBankFilterFirst Vector containing the first indices of filter bank @@ -162,8 +162,8 @@ namespace audio { virtual bool ApplyMelFilterBank( std::vector<float>& fftVec, std::vector<std::vector<float>>& melFilterBank, - std::vector<int32_t>& filterBankFilterFirst, - std::vector<int32_t>& filterBankFilterLast, + std::vector<uint32_t>& filterBankFilterFirst, + std::vector<uint32_t>& filterBankFilterLast, std::vector<float>& melEnergies); /** @@ -195,33 +195,33 @@ namespace audio { std::vector<float> _m_melEnergies; std::vector<float> _m_windowFunc; std::vector<std::vector<float>> _m_melFilterBank; - std::vector<int32_t> _m_filterBankFilterFirst; - std::vector<int32_t> _m_filterBankFilterLast; + 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. **/ - void _InitMelFilterBank(); + void InitMelFilterBank(); /** * @brief Signals whether the instance of MelSpectrogram has had its * required buffers initialised * @return True if initialised, false otherwise **/ - bool _IsMelFilterBankInited(); + bool IsMelFilterBankInited() const; /** * @brief Create mel filter banks for Mel Spectrogram calculation. * @return 2D vector of floats **/ - std::vector<std::vector<float>> _CreateMelFilterBank(); + std::vector<std::vector<float>> CreateMelFilterBank(); /** * @brief Computes the magnitude from an interleaved complex array **/ - void _ConvertToPowerSpectrum(); + void ConvertToPowerSpectrum(); }; |