FIR filter design using highly non-linear LADF sigma-delta modulator architecture. - Kabi Prakash Padhi; Tan Chin Tiong; Saman S. Abeysekera (NSIP, 1999)

Design of multiplier free FIR filters using a LADF sigma-delta (Σ-Δ) modulator. - Saman S. Abeysekera; Kabi Prakash Padhi (ISCAS, 2000)

Investigation of different frequency estimation techniques using the phase vocoder. - Saman S. Abeysekera; Kabi Prakash Padhi; Javed Absar; Sapna George (ISCAS (2), 2001)

An audio signal scaling technique harmonic grouping and shifting. - Saman S. Abeysekera; Kabi Prakash Padhi; Javed Absar; Sapna George (ISCAS (3), 2004)

An investigation of window effects on the frequency estimation using the phase vocoder. - Saman S. Abeysekera; Kabi Prakash Padhi (IEEE Trans. Speech Audio Process., 2006)