Confirmation notification by apparatus using audio recognition as to the acceptability of an input sound

Abstract

When a sound which is to be recognized is input to a device, this invention briefly informs the user of whether the sound has been input in an appropriate state. A sound inputting part which outputs a sound to be recognized, spoken by a user as a plurality of words forming one group, as digitized sound data, a sound analysis part which analyzes the sound data and calculates the sound power and characteristic data, a sound division detection/determination part which detects an effective sound division based upon the sound power which has been obtained in the sound analysis part and determines whether the sound to be recognized has been input in an appropriate state, based on the size of the sound power and the time length of the effective sound division, a sound recognition processing part in which the sound to be recognized is recognized and processed, and an information outputting part which outputs information which shows that the recognition object sound is appropriate immediately after the inputting of the sound to be recognized, are provided.

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