Patent ID: 7761176

Claim:
A digital audio player, comprising: a casing; a memory within said casing to store digital audio including songs and a commercial; a digital-to-analog converter within said casing and operatively connected to said memory to convert digital audio to analog audio; an analog audio player within said casing and operatively coupled to said digital-to-analog converter, to play the songs in response to manual user commands, and to automatically play the commercial; and a processor within said casing and operatively coupled to said analog audio player, to register the digital audio player with a host device upon manual user instruction to do so, and to control said analog audio player to automatically play the commercial intermittently, and to reduce the intermittency of the automatic playing of the commercial in a series of phases, one phase being triggered by lapse of a pre-determined time and another phase being triggered by registration of the processor registering the digital audio player with the host device.