The Singer Company

Harold R Dell

Charles P Mortimer

Michael V Lamasney

William L Holtsman

A method and apparatus for providing mass storage of vocal information by means of a digital communication system for use with a training simulator is disclosed. Unlike prior art analog records and playback systems, such as tapes, etc., the inherent advantages and flexibility available with respect to a digital system including randomly accessible voice messages, convenience of editing the stored data, and management and control by the computational system of the training simulator are available with the present invention. In general, the system of this invention comprises an input device, such as a microphone (30), an encoder (54) for encoding the analog information from the microphone (32) to digital format, a digital processing controller or computer (20) for processing the digital communication data in response to a stored program such that it is suitable for use with the computational system, and a mass storage media (38) for storing the processed digital data. To provide audio response and playback from the stored digital data, the system includes a processor (36) for selectively reading stored bulk data and processing the selected data into a form suitable for decoding, a decoding means (66) for translating the digital data to analog information, and an output device (42) for providing an audio or vocal output to a listener.

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Menlo Park, CA, United States of America

Harold R Dell