Title :
Adaptation of Precision Matrix Models on Large Vocabulary Continuous Speech Recognition
Author :
Sim, K.C. ; Gales, M.J.F.
Author_Institution :
Dept. of Eng., Cambridge Univ., UK
fDate :
March 18-23, 2005
Keywords :
adaptive signal processing; iterative methods; matrix algebra; maximum likelihood estimation; optimisation; speech recognition; vocabulary; MLLR mean; MPE trained subspace; adaptation techniques; broadcast news; constrained MLLR transform estimations; conversational telephone English speech; expectation maximisation; large vocabulary continuous speech recognition; likelihood; precision matrix models; row-by-row iterative formulae; state-of-the-art performance; update formulae; Broadcasting; Computational efficiency; Covariance matrix; Hidden Markov models; Maximum likelihood estimation; Maximum likelihood linear regression; Speech recognition; Telephony; Unsolicited electronic mail; Vocabulary;
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.2005.1415059
