Title :
Robust Speech Recognition Based on Spectral Adjusting and Warping
Author :
Zhao, Rui ; Wang, Zuoying
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
fDate :
March 18-23, 2005
Keywords :
compensation; distortion; gradient methods; hidden Markov models; maximum likelihood estimation; piecewise linear techniques; speech recognition; ML rule; VTLN; amplitude spectrum adjustment; channel adaptation method; channel distorted speech; channel/speaker variation compensation; duration distribution based HMM system; frequency scale warping; gradient projection algorithm; piecewise linear function; short adaptation utterances; speaker normalization; spectral adjusting; spectral warping; telephone speech recognition; vocal tract length normalization; Cepstral analysis; Error analysis; Maximum likelihood estimation; Mel frequency cepstral coefficient; Piecewise linear techniques; Projection algorithms; Robustness; Speech recognition; Surface acoustic waves; Telephony;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on
Print_ISBN :
0-7803-8874-7
DOI :
10.1109/ICASSP.2005.1415173