| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an E-book having contents which a user understands without viewing a display. <P>SOLUTION: The E-book includes a memory device, an MP3 decoder, and at least one speaker. The memory device stores files. The files include at least one MP3 file. The MP3 decoder decodes the MP3 file to output text. The at least one speaker audibly reproduces the text. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
