Frequency and time filtering of filter-bank energies for HMM speech recognition.

Climent Nadeu José B. Mariño Javier Hernando Albino Nogueiras

Published in: ICSLP (1996)

Keyphrases

speech recognition
filter bank
hidden markov models
finite impulse response
image coding
subband
cepstral coefficients
perfect reconstruction
multiresolution
low frequency

multiscale
speech signal
keyword spotting
frequency domain
wavelet packet
signal processing
automatic speech recognition
speech synthesis
speech recognizer
speech processing

speaker independent
fir filters
pattern recognition
language model
low pass
wavelet transform
speech recognition systems
noisy environments
speaker identification
computationally efficient

information retrieval
spectral analysis
high frequency
filter responses
image compression
neural network
adaptive filtering
wavelet coefficients
speaker adaptation
speaker dependent