A DSP core for speech coding applications. - Jari Nurmi; Ville Eerola; Erwin Ofner; Andreas Gierlinger; Jürgen Jernej; Teppo Karema; Tommi Raita-aho (ICASSP (2), 1994)

Gepard: a parameterisable digital signal processor. - Richard Forsyth; Andreas Gierlinger; Erwin Ofner (ICECS, 1998)