| 摘要 |
A circuit for use by a multifunction handheld device is coupleable to an audio output device, the multifunction handheld device including, a color video display device, and a host interface that is coupleable to a host device. The circuit includes a host interface that is coupleable to a host device, wherein the host interface includes a wireless communication link for communicating with the host device via a wireless local area network protocol. The circuit further includes a processing module and a memory interface, operably coupled to the processing module and a memory that stores a plurality of digitally formatted files, and that stores operational instructions that cause the processing module to: receive a first digitally formatted file of the plurality of digitally formatted files from the host device when coupled to the host device via the host interface and store the first digitally formatted file in the memory, wherein the first digitally formatted file includes a compressed audio file; receive a second digitally formatted file of the plurality of digitally formatted files from a host device when coupled to the host device via a host interface and store the second digitally formatted file in the memory, wherein the second digitally formatted file includes a compressed video file; and playback a selected one of the plurality of digitally formatted files, the playback including the generation of an audio output signal for the audio output device, when the first digitally formatted file is selected, and the playback including rendering the selected one of the digitally formatted files for the color video display device, when the first digitally formatted file is selected.
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