Speech analysis/synthesis/conversion by using sequential processing. - Panuthat Boonpramuk; Tetsuo Funada; Noboru Kanedera (ICASSP, 1999)

Feature Smoothing and Frame Reduction for Speaker Recognition. - Santi Nuratch; Panuthat Boonpramuk; Chai Wutiwiwatchai (IALP, 2010)

A Time-Varying Adaptive IIR Filter for Robust Text-Independent Speaker Verification. - Santi Nuratch; Panuthat Boonpramuk; Chai Wutiwiwatchai (IEICE Trans. Inf. Syst., 2013)