Improved Automatic Speech Recognition Using Subband Temporal Envelope Features and Time-Delay Neural Network Denoising Autoencoder.
Cong-Thanh DoYannis StylianouPublished in: INTERSPEECH (2017)
Keyphrases
- subband
- denoising
- feature vectors
- wavelet domain
- wavelet packet
- filter bank
- wavelet transform
- multiresolution
- wavelet coefficients
- wavelet decomposition
- image denoising
- image compression
- locally adaptive
- feature extraction
- high frequency
- bit rate
- wavelet subbands
- discrete wavelet transform
- speech recognition
- subband coding
- image coding
- noisy images
- spatial domain
- multiscale
- feature space
- reconstruction error
- feature set
- frequency domain
- low frequency
- bitstream
- natural images
- visual quality
- vector quantization
- frequency band
- image processing
- rate distortion