摘要 |
An audio control apparatus is adapted for use with an external portable electronic device having display functionality, and includes a data storage device, an operation controller operable to access and process audio data stored in the data storage device, and to output information of the audio data, a user control device operable by a user to control operation of the operation controller, and a function expanding interface coupled to the operation controller and configured to transmit the information of the audio data for reception and subsequent display by the external portable electronic device.
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