Large vocabulary continuous speech recognition under real environments using adaptive sub-band spectral subtraction.
Masahiro FujimotoJun OgataYasuo ArikiPublished in: INTERSPEECH (2000)
Keyphrases
- subband
- locally adaptive
- hearing aids
- frequency band
- wavelet coefficients
- high frequency
- filter bank
- discrete wavelet transform
- multiresolution
- wavelet transform
- wavelet decomposition
- low pass
- image compression
- low frequency
- feature vectors
- bit rate
- speech signal
- wavelet domain
- automatic speech recognition
- frequency domain
- perfect reconstruction
- speech recognition
- contourlet transform
- lifting scheme
- pattern recognition