Electronic audio learning apparatus

Details Electronic audio learning apparatus Electronic audio learning apparatus

1994-12-02

1997-01-21

Apley, Richard J.

Education and demonstration

Audio recording

434317, G09B 300

Patent

active

055954898

ABSTRACT:
To provide effective, self-learning and fun way to educate children, this electronic audio learning apparatus consists of the sensing section program 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.

REFERENCES:
patent: 4980919 (1990-12-01), Tsai
patent: 5413486 (1995-05-01), Burrows et al.
patent: 5437552 (1995-08-01), Baer et al.
patent: 5466158 (1995-11-01), Smith

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