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Robust automatic speech recognition using a perceptually-based optimal spectral amplitude estimator speech enhancement algorithm in various low-SNR environments.
Hesham Tolba
Zili Li
Douglas D. O'Shaughnessy
Published in:
INTERSPEECH (2005)
Keyphrases
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speech enhancement
noisy environments
noise reduction
expectation maximization
computational complexity
k means
low snr
linear prediction
image quality
speech signal
signal to noise ratio
noisy speech
vocal tract
bayesian networks
prior information
segmentation algorithm
em algorithm
objective function