| 摘要 |
A portable audio player (10) that includes a removable media drive (30) and audio playback components (20) to play audio data stored on the removable media (12). The audio playback components (20) include an audio decoder, an audio Codec (24), and a digital to analog converter (25) which receives outputs analog audio signals to headphones (50). A memory (23) within the audio player (10) stores an operating system and a plurality of software Codecs. A suitable software Codec is selected from the plurality of Codecs to decompress the audio data file prior to conversion to analog signals. If the suitable Codec is not stored in memory, it may be read from the removable media (12) such that the portable audio player (10) may properly play the audio content. The portable audio player (10) may also be operated as a removable data storage device for a personal computer. |
