Patent Document ID: 8442832
Application ID: 12632010

Base Claim:
1. An apparatus for context awareness, comprising: a voice-based recognition unit that recognizes a user's emotional state on the basis of a voice signal; a motion-based recognition unit that recognizes the user's emotional state on the basis of a motion; a position recognition unit that recognizes a location where the user is positioned; and a mergence-recognition unit that recognizes a user's context by analyzing the recognition results of the voice-based recognition unit, the motion-based recognition unit, and the position recognition unit.

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Claim 3:
3. The apparatus for context awareness according to claim 1 , wherein the voice-based recognition unit includes: a voice signal collection unit that collects a voice input of the user; a change timing detection unit that detects an emotional change timing of the user in time and/or frequency domains; an analysis/recognition unit that analyzes data for a predetermined time from the emotional change timing to recognize the user's emotional state based on the voice signal; and a probability value generation unit that generates a probability value relating to the accuracy of the user's emotional state recognized by the analysis/recognition unit.