Speaker adaptation with limited data using regression-tree-based spectral peak alignment

IEEE Transactions on Audio, Speech and Language Processing

Volumn 15, Issue 8, 2007, Pages 2454-2464

  Wang, Shizhen ^a   Cui, Xiaodong ^a,b   Alwan, Abeer ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b IBM T J WATSON RESEARCH CENTER   (United States)

Author keywords

Peak alignment; Regression tree; Speaker adaptation; Speech recognition; Vocal tract length normalization (VTLN)

Indexed keywords

AUTOMATIC SPEECH RECOGNITION SYSTEMS; CONNECTED DIGITS; DATA-DRIVEN; FREQUENCY WARPING; GAUSSIAN MIXTURES; LIMITED DATUM; PEAK ALIGNMENT; PERFORMANCE IMPROVEMENTS; RAPID SPEAKER ADAPTATIONS; REGRESSION TREE; SPEAKER ADAPTATION; SPEAKER NORMALIZATIONS; SPECTRAL MISMATCHES; SPECTRAL PEAKS; STATISTICAL ESTIMATIONS; TRAINING AND TESTING; TREE-BASED; UNSUPERVISED ADAPTATIONS; VOCAL TRACT LENGTH NORMALIZATION (VTLN);

ALIGNMENT; FREQUENCY ESTIMATION; MAXIMUM LIKELIHOOD; REGRESSION ANALYSIS; REMELTING; SPEECH ANALYSIS; TREES (MATHEMATICS);

SPEECH RECOGNITION;

EID: 64149115312     PISSN: 15587916     EISSN: None     Source Type: Journal    
DOI: 10.1109/TASL.2007.906740     Document Type: Article

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