Patent ID: 9489941
Filing Date: 2016-11-08
CPC Classification: G06F,G10L

Claim Text:
1. An operation assisting method, comprising: comparing input spoken voices with a preliminarily stored keyword associated with an operation target to obtain an evaluation value of likelihood between the input spoken voices and the preliminarily stored keyword; determining, based on the evaluation value, whether or not the preliminarily stored keyword is included in the input spoken voices by determining whether or not a first condition that the evaluation value is greater than a determination threshold value is satisfied, the preliminarily stored keyword being determined to be included in the input spoken voices when the first condition is satisfied; determining whether or not a second condition that sight lines of a speaker are directed at the operation target after the evaluation value is obtained within a predetermined range is satisfied; and decreasing the determination threshold value to a lesser value when the second condition is satisfied and performing a secondary determination of whether or not the first condition is satisfied.