A Compact 0.9uW Direct-Conversion Frequency Analyzer for Speech Recognition with Wide-Range Q-Controlable Bandpass Rectifier.
Shiro DoshoLudovico MinatiKazuki MaariHiroyuki ItoPublished in: VLSI Technology and Circuits (2023)
Keyphrases
- speech recognition
- bandpass
- frequency domain
- low pass
- frequency band
- hidden markov models
- textured images
- language model
- low frequency
- subband
- speech signal
- geometric distortions
- speech recognition systems
- pattern recognition
- high frequency
- cepstral coefficients
- zero crossing
- grey level
- multiresolution
- filter bank
- co occurrence