46. The device according to claim 42 , wherein the audio classifier is a rule-based classifier.
42. The device according to claim 41 , wherein the audio input comprises a sequence of audio segments, and wherein determining whether the audio input includes music further comprises: extracting from an audio segment of the sequence of audio segments one or more features that characterize the audio segment; and determining whether the audio segment includes music using an audio classifier and based on the one or more features that characterize the audio segment.