Spectral subtraction using a non-critically decimated discrete wavelet transform. - Andreas Engelsberg; Thomas Gülzow (EUROSPEECH, 1997)

Comparison of a discrete wavelet transformation and a nonuniform polyphase filterbank applied to spectral-subtraction speech enhancement. - Thomas Gülzow; Andreas Engelsberg; Ulrich Heute (Signal Process., 1998)

SSB-carrier mismatch detection from speech characteristics: Extension beyond the range of uniqueness. - Thomas Gülzow; Ulrich Heute; Hans J. Kolb (EUSIPCO, 2002)

Spectral-subtraction speech enhancement in multirate systems with and without non-uniform and adaptive bandwidths. - Thomas Gülzow; Thorsten Ludwig; Ulrich Heute (Signal Process., 2003)