Multisensor input for a speech enhancement equipment: system architecture and experimental results. - Livio Busnelli; Neviano Dal Degan; Luigi Vetrano (ECST, 1987)

A 6.3 kb/s CELP codec suitable for half-rate system. - Giovanni Fausto Andreotti; V. Maiorano; Luigi Vetrano (ICASSP, 1991)

Testing and quality enhancement of the GSM full rate voice channel. - G. Rosina; Marcello Sant' Agostino; E. Turco; Luigi Vetrano (EUROSPEECH, 1991)