Low frequency ultrasonic voice activity detection using convolutional neural networks.
Ian McLoughlinYan SongPublished in: INTERSPEECH (2015)
Keyphrases
- low frequency
- convolutional neural networks
- voice activity detection
- high frequency
- noisy environments
- frequency domain
- convolutional network
- wavelet analysis
- wavelet transform
- speech recognition
- subband
- frequency band
- discrete wavelet transform
- wavelet coefficients
- high resolution
- original images
- low pass
- fusion rules
- multiresolution
- high frequency components
- low and high frequency
- information retrieval
- neural network
- dct coefficients
- wavelet domain
- information fusion
- noise reduction
- gaussian mixture model
- feature space