41. An electronic device, comprising: one or more processors; memory; one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for: receiving audio input; determining whether the audio input includes music; determining whether the audio input includes speech; responsive to determining that the audio input includes music, generating an acoustic fingerprint representing a portion of the audio input that includes music; and responsive to determining that the audio input includes speech rather than music, identifying an end-point of a speech utterance of the audio input.
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.