1. A method of determining contexts and associated sound activities for a vehicle, the method including: associating a plurality of vehicle contexts with a respective one or more of a plurality of sound activities; detecting an audio signal in the vehicle; detecting, based on said detected audio signal, at least one of said sound activities in said audio signal; subsequent to detecting at least one of said sound activities, identifying a vehicle context associated with said detected at least one of said sound activities; providing a respective n-gram model for each of said vehicle contexts; and assigning to said vehicle said at least one identified vehicle context and said detected at least one of said sound activities with which said identified vehicle context is associated, wherein said assigning involves using a history of at least one previously assigned vehicle context together with said n-gram models in identifying said at least one of said vehicle contexts.