A DCT-BASED FAST ENHANCEMENT TECHNIQUE FOR ROBUST SPEECH RECOGNITION IN AUTOMOBILE USAGE

6th European Conference on Speech Communication and Technology, EUROSPEECH 1999

Volumn , Issue , 1999, Pages 1947-1950

  Huang, Jun ^a   Zhao, Yunxin ^b   Levinson, Stephen ^a  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^b UNIVERSITY OF MISSOURI   (United States)

Author keywords

autoregressive process; cepstral mean normalization; discrete cosine transform; Karhunen Loeve transform; signal subspace

Indexed keywords

COVARIANCE MATRIX; EIGENVALUES AND EIGENFUNCTIONS; PRINCIPAL COMPONENT ANALYSIS; RANDOM PROCESSES; SPEECH COMMUNICATION; SPEECH ENHANCEMENT; SPEECH RECOGNITION;

AUTO REGRESSIVE PROCESS; AUTOMOBILE USAGE; CEPSTRAL MEAN NORMALIZATION; FAST ALGORITHMS; KARHUNEN-LOEVE; KARHUNEN-LOEVE TRANSFORM; PERFORMANCE; ROBUST SPEECH RECOGNITION; SIGNAL SUB-SPACE; SUBSPACE BASED;

DISCRETE COSINE TRANSFORMS;

EID: 2942569541     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (5)

1. Y. Ephraim and H.L. Van Trees, "A Signal Subspace Approach for Speech Enhancement," IEEE Trans. on Speech and Audio Processing, Vol. 3, No. 4, pp. 251-266, Jul., 1995.
2. J. Huang and Y. Zhao, "An Energy-Constrained Signal Subspace Method for Speech Enhancement and Recognition in White and Colored Noises," Speech Communication, Vol. 26, pp. 165-181, 1998.
3. Y. Zhao, "Self-learning Speaker and Channel Adaptation Based on Spectral Variation Source Decomposition," Speech Communication, Vol. 18, pp. 65-77, 1996.
4. A. K. Jain, Fundamentals of Digital Image Processing Prentice-Hall, 1989.
5. N. Ahmed, T. Natarajan, and K. R. Rao, "Discrete Cosine Transform," IEEE Trans. on Communication, pp. 90-93, Jan. 1974.