Patent ID: 8351843

Claim:
A method for specifying content of interest using a digital radio broadcast receiver, the method comprising: receiving a digital radio broadcast signal, the digital radio broadcast signal comprising first audio content and first program data, the first program data comprising information identifying a first item associated with the first audio content, and second audio content and second program data, the second program data comprising information identifying a second item associated with the second audio content; registering a user command entered at a user interface of the receiver during reception of either the first audio content or the second audio content, the user command indicating a user's interest in either the first audio content or the second audio content, respectively; determining whether there is an ambiguity associated with the user's interest in either the first audio content or the second audio content; and if there is an ambiguity, storing a first data structure corresponding to the first audio content and a second data structure corresponding to the second audio content, the first data structure comprising the information identifying the first item and the second data structure comprising the information identifying the second item.