FFT implementation on DSP-chips-theory and practice. - Raimund Meyer; Karl Schwarz (ICASSP, 1990)

Convolution algorithms on DSP processors. - Raimund Meyer; Richard Reng; Karl Schwarz (ICASSP, 1991)

Design of digital filters, their implementation on a DSP-chip, measuring their performance. - Karl Schwarz; Richard Reng; Hans Wilhelm Schüßler (ICASSP, 1992)

Analyzing finite-wordlength effects in block state space filters. - Richard Reng; Karl Schwarz; Hans Wilhelm Schüßler (ICASSP (3), 1993)

Linear phase FIR-filter in lattice structure. - Karl Schwarz (ISCAS, 1993)