1. A method for accessing information identified from a broadcast audio signal, the method comprising: receiving the broadcast audio signal; storing a portion of the broadcast audio signal in a buffer; receiving a first user input, comprising speech, at a particular time during broadcast of the broadcast audio signal; recognizing an identifier in perceptible speech of the portion of the broadcast audio signal that is in the buffer at the particular time in response to receiving the first user input; storing data representative of the identifier; and accessing an external network device identified by the identifier.