| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile telephone set having both a telephone function and a music player function. SOLUTION: The mobile telephone set is equipped with a musical sound memory 13, a controller 14, DACs 16, 17, and amplifiers 18, 19. Musical sound data distributed from a download center are temporarily written in a RAM 3 and written in the musical sound memory 13 just before start play according to an instruction from a user. The controller 14 then successively reads the musical sound data in the musical sound memory 13 and supplies the data to the DACs 16, 17. The DACs 16, 17 convert the musical sound data into analog signals and output the signals to speakers 21, 27 via the amplifiers 18, 19 and mixers 20, 26. Thus, stereo musical sounds are generated from the speakers 21, 27. COPYRIGHT: (C)2004,JPO&NCIPI
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