Mixed-phase AR models for voiced speech and perceptual cost functions. - William R. Gardner; Bhaskar D. Rao (ICASSP (1), 1994)

Optimal distortion measures for the high rate vector quantization of LPC parameters. - William R. Gardner; Bhaskar D. Rao (ICASSP, 1995)

Theoretical analysis of the high-rate vector quantization of LPC parameters. - William R. Gardner; Bhaskar D. Rao (IEEE Trans. Speech Audio Process., 1995)

Noncausal all-pole modeling of voiced speech. - William R. Gardner; Bhaskar D. Rao (IEEE Trans. Speech Audio Process., 1997)

Techniques for The Regeneration of Wideband Speech from Narrowband Speech. - Jason A. Fuemmeler; Russell C. Hardie; William R. Gardner (EURASIP J. Adv. Signal Process., 2001)

Comprehensive evaluation of theoretical approximations for spectral quantization performance. - William R. Gardner; Anand D. Subramaniam; Bhaskar D. Rao (EUSIPCO, 2002)

Low complexity recursive coding of spectrum parameters. - Anand D. Subramaniam; William R. Gardner; Bhaskar D. Rao (ICASSP, 2002)

Joint source-channel decoding of speech spectrum parameters over erasure channels using Gaussian mixture models. - Anand D. Subramaniam; William R. Gardner; Bhaskar D. Rao (ICASSP (1), 2003)

Joint source-channel decoding of speech spectrum parameters over an AWGN channel using Gaussian mixture models. - Anand D. Subramaniam; William R. Gardner; Bhaskar D. Rao (ICC, 2004)

Iterative joint source-channel decoding of speech spectrum parameters over an additive white Gaussian noise channel. - Anand D. Subramaniam; William R. Gardner; Bhaskar D. Rao (IEEE Trans. Speech Audio Process., 2006)

Low-complexity source coding using Gaussian mixture models, lattice vector quantization, and recursive coding with application to speech spectrum quantization. - Anand D. Subramaniam; William R. Gardner; Bhaskar D. Rao (IEEE Trans. Speech Audio Process., 2006)