Interactive learning programming and like control circuitry

Details Interactive learning programming and like control circuitry Interactive learning programming and like control circuitry

1984-07-13

1986-05-27

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Converting an analog signal to digital form for recording;...

434319, G11B 500, G09B 50004

Patent

active

045919291

ABSTRACT:
Learning additional languages and similar subject matter wherein repetition and comparison of spoken phrases is of value is enhanced by this electronic circuitry auxiliary to the conventional magnetic tape recorder. The circuitry according to the invention comprises an addressable electronic store, control circuitry, therefor arranged for storing a plurality of messages or texts in separate locations, and converting circuitry for converting analog signals emanating from the recorder or from a microphone used by the learner into digital signals for storage and for converting the digital signals into analog signals for reviewing aurally. Four modes of operation are available. Full electronic control and interlock are provided with easy manipulation of four switches and one gain control element.

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"Compression of Silence in Digitized Speech Recording"--M. Patten, IBM TDB, vol. 20, #4, Sep. 77.

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