- Olivier Cappé and Jean Laroche. Evaluation of short-time spectral attenuation techniques for the restoration of musical recordings. IEEE Trans. Speech Audio Process., 3(1):84–93, January 1995. (DOI)
- Olivier Cappé, Jean Laroche, and Eric Moulines. Regularized estimation of cepstrum envelope from discrete frequency points. In IEEE Workshop App. Signal Process. Audio Acoust. (WASPA), October 1995.
- Yannis Stylianou, Olivier Cappé, and Eric Moulines. Statistical methods for voice quality transformation. In EUROSPEECH, Madrid, September 1995.
- Olivier Cappé. Etat actuel de la recherche en reconnaissance du locuteur et des applications en criminalistique. Rapport technique, Ecole Nationale Supérieure des Télécommunications, janvier 1995.