An Acoustic Signal Processing Chip With 142-nW Voice Activity Detection Using Mixer-Based Sequential Frequency Scanning and Neural Network Classification.
Sechang OhMinchang ChoZhan ShiJongyup LimYejoong KimSeokhyeon JeongYu ChenRohit RotheDavid T. BlaauwHun-Seok KimDennis SylvesterPublished in: IEEE J. Solid State Circuits (2019)
Keyphrases
- signal processing
- neural network
- pattern recognition
- learning vector quantization
- classification accuracy
- classification method
- image processing
- voice activity detection
- high speed
- multi layer perceptron
- decision trees
- feature space
- support vector
- fourier transform
- low cost
- back propagation
- neural network model
- feature extraction
- classification algorithm
- feature selection
- noisy environments
- artificial neural networks
- image classification
- support vector machine
- self organizing maps
- signal to noise ratio
- training process
- training set
- signal analysis
- feature vectors