PASC was a project devoted to collecting a database of voice of more than 500 persons in a car environment, for use in various car gadgets such as radio, CD players, window controls, etc. The information collected covered 6 kinds of cars and 4 different regions of Portugal (Lisbon, Porto, Évora, and Viseu).

Numerous samples included open/closed car windows, radio turned on/off, roads in good/bad condition, dry/wet roadway, as well as young/elderly and men/women speakers.

Each speaker read more than 200 samples consisted of various combinations of commands, phrases, isolated words (such as yes/no), numbers, letters, etc.