Intra-frame cepstral sub-band weighting and histogram equalization for noise-robust speech recognition.
Jeih-weih HungHao-Teng FanPublished in: EURASIP J. Audio Speech Music. Process. (2013)
Keyphrases
- speech recognition
- noisy environments
- subband
- histogram equalization
- bit rate
- image enhancement
- hidden markov models
- speech signal
- language model
- discrete wavelet transform
- contrast enhancement
- wavelet transform
- multiresolution
- inter frame
- gray level
- image compression
- filter bank
- pattern recognition
- gray scale
- frequency domain
- wavelet domain
- feature vectors
- high frequency
- transfer function
- motion estimation
- rate distortion
- wavelet coefficients
- signal to noise ratio
- edge detection
- feature extraction