Patent Document ID: 8165874
Application ID: 12399560

Base Claim:
1. A system for processing voice data in a conversation between two persons, comprising: a first variation calculator for calculating a variation of a speech ratio of a first speaker from the voice data in the conversation between the two persons; a second variation calculator for calculating a variation of a speech ratio of a second speaker from the voice data in the conversation between the two persons; a difference calculator for calculating a difference data string representing a variation of the difference between the speech ratio of the first speaker and the speech ratio of the second speaker; a smoother for generating a smoothed difference data string by smoothing the difference data string; and a presenter for presenting the variation of the difference between the speech ratio of the first speaker and the speech ratio of the second speaker using the smoothed difference data string.

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Claim 2:
2. The system according to claim 1 , wherein the presenter includes a classifier for classifying the conversation between the first speaker and the second speaker based on the smoothed difference data string in order to output a classification result.