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Comparison of a discrete wavelet transformation and a nonuniform polyphase filterbank applied to spectral-subtraction speech enhancement.
Thomas Gülzow
Andreas Engelsberg
Ulrich Heute
Published in:
Signal Process. (1998)
Keyphrases
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filter bank
speech enhancement
spectral subtraction
subband
hybrid method
image coding
speech signal
multiresolution
noise reduction
spectral analysis
multiscale
hidden markov models
signal processing
computationally efficient
similarity measure
signal to noise ratio