| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a digital voice device capable of pronouncing by reading a voice file corresponding to two-dimensional codes without re-printing the two-dimensional codes over a whole book. <P>SOLUTION: One substantially transparent sheet with the plurality of two-dimensional codes printed thereon is put on the book. When the two balloon parts of a printed matter which is viewed through are touched with the digital voice device for reading dot codes, sentences corresponding to the balloon parts are pronounced from the digital voice device. <P>COPYRIGHT: (C)2009,JPO&INPIT |
