Failure simulation for a phoneme HMM based keyword spotter. - Martin Holzapfel; Günther Ruske; Harald Höge (ICASSP, 1997)

Optimization of a neural network for speaker and task dependent F 0-generation. - Ralf Haury; Martin Holzapfel (ICASSP, 1998)

A nonlinear unit selection strategy for concatenative speech synthesis based on syllable level features. - Martin Holzapfel; Nick Campbell 001 (ICSLP, 1998)

A wavelet-domain PSOLA approach. - Martin Holzapfel; Rüdiger Hoffmann; Harald Höge (SSW, 1998)

A multilingual text processing engine for the PAPAGENO text-to-speech synthesis system. - Matej Rojc; Janez Stergar; Ralph Wilhelm; Horst-Udo Hain; Martin Holzapfel; Bogomir Horvat (EUROSPEECH, 1999)

Automatic learning of numeral grammars for multi-lingual speech synthesizers. - Gudrun Flach; Martin Holzapfel; C. Just; Axel Wachtler; Matthias Wolff 001 (ICASSP, 2000)

Natural F0 contours with a new neural-network-hybrid approach. - Çaglayan Erdem; Martin Holzapfel; Rüdiger Hoffmann (INTERSPEECH, 2000)

Konkatenative Sprachsynthese mit großen Datenbanken. - Martin Holzapfel (w.e.b.-Univ.-Verlag, 2000)