To provide effective, self-learning and fun way to educate children, this electronic audio learning apparatus consists of the sensing section programs which are stored in the ROM-pack. The D/A converting section and the piano IC generate audible analog voice output from the ROM-stored digital data and the musical keyboard. These two types of signals are sent to the book/keyboard selection switch to provide users with variety of sound service. The CPU calculates the address of the ROM-pack data/program from the input data detected by the sensing section and the sound effect section. The digital data which is fetched from the ROM-pack is converted to audible voice as it passes through the D/A converting section, LPF, the book/keyboard selection switch, the voice amplifier and the speakers, sequentially.

 In view of the foregoing, there exists a need in the art to provide an electronic audio learning apparatus for providing portability and various numbers of sound effects. A primary objective of the present invention is, therefore, to provide an electronic audio learning apparatus that is a suitable and effective educational aid specially designed for children. It is a further object of the present invention to provide an electronic audio learning apparatus which offers variety of knowledge and information to children in easy and effective ways without teachings of their parents or teachers. It is a further object of the present invention to provide an electronic audio learning apparatus which gives a fun way of learning to children. It is a further object of the present invention to provide an electronic audio learning apparatus which eliminates the fear of facing new electronic machines to the children such as computer. It is a further object of the present invention to provide an electronic audio learning apparatus which helps the children to develop their ability to recognize things that they have been taught by the apparatus in their everyday life, and to understand the structure and operation of the computers in a short period of time.

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Journal of Industrial Electronics and Applications
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