MLLR-like speaker adaptation based on linearization of VTLN with MFCC features

@inproceedings{Cui2005MLLRlikeSA,
  title={MLLR-like speaker adaptation based on linearization of VTLN with MFCC features},
  author={Xiaodong Cui and Abeer Alwan},
  booktitle={INTERSPEECH},
  year={2005}
}
In this paper, an MLLR-like adaptation approach is proposed whereby the transformation of the means is performed deterministically based on linearization of VTLN. Biases and adaptation of the variances are estimated statistically by the EM algorithm. In the discrete frequency domain, we show that under certain approximations, frequency warping with Mel-£lterbank-based MFCCs equals a linear transformation in the cepstral domain. Utilizing the deduced linear relationship, the transformation… CONTINUE READING
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