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We previously proved that restoring the instantaneous amplitude as well as instantaneous phase on the output from Gammatone filterbank plays a significant role in speech enhancement. However, dereverberation is still a challenge since the previously proposed scheme can only work in noisy environments. In this paper, we extend our previously proposed scheme to general speech enhancement for removing...
This paper proposes a robust front-end for speech applications based on restoration scheme of instantaneous amplitude and phase. Typical applications such as hearing aids and automatic speech recognition systems still have challenging issues with regard to robustness against noise and reverberation. The proposed front-end employed a combination of our previously proposed method for restoring instantaneous...
We have proved that restoring the instantaneous amplitude as well as instantaneous phase on Gammatone interbank plays a significant role for speech enhancement. However, it is still challenging topic with dereverberation since previously proposed scheme can only work in noisy environments. In this paper, we extend our previously proposed scheme to be general speech enhancement of removing the effects...
This paper proposes a restoration scheme for the instantaneous amplitudes and phases in sub-bands by using a Kalman filter with linear prediction (LP). A few important studies have already proved that the phase spectrum in the short-time Fourier transform plays an important role in speech enhancement. Thus, the proposed scheme concentrates on simultaneously restoring both instantaneous amplitudes...
This paper proposes a restoration scheme for the instantaneous amplitudes and phases in sub-bands by using a Kalman filter with linear prediction (LP). A few important studies have already proved that phase spectrum on the short term Fourier transform plays an important role in speech enhancement. Thus, the proposed scheme concentrates on restoring of both the instantaneous amplitudes and phases simultaneously...
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