| 摘要 |
A portable audio system includes a compact disc drive and a control unit communicable through a communication interface. The control unit includes a user interface, a processing means, memory, and an audio output. The control unit is detachable from the compact disc drive, and is operable while disconnected from the compact disc drive. The processing means of the control unit is configured to read data from a compact disc within the compact disc drive. The processing means can encode the data into digitally formatted files, and store the files within the memory of the control unit while the control unit is connected to the compact disc drive. The processing means can read, encode, and store the data at a rate equal to or faster than the normal rate of play of the data. The processing means of the control unit can produce an audio signal representative of the data in one of the files stored within the memory regardless of whether the control unit is connected to the compact disc drive.
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