The invention relates to a voice recognition device (1) comprising an audio processor (2) for the acquisition of an audio signal and a linguistic decoder (6) for determining a sequence of words corresponding to the audio signal. The linguistic decoder of the device of the invention comprises a language model (8) determined on the basis of a first set of at least one syntactic block defined solely by a grammar and of a second set of at least one second syntactic block defined by one of the following elements, or a combination of these elements: a grammar, a list of phrases, an n-gram network.
Speech recognition with a complementary language model for typical mistakes in spoken dialogue