To perform signal feature extraction which is robuster than before by selecting a feature based upon a standard which is robuster than before and providing an area which is not a target of feature calculation. 従来よりも頑健な基準で特徴を選択するとともに、特徴の算出対象としない領域を設けることで、従来よりも頑健な信号特徴抽出を可能とする。 - 特許庁
To provide a basic frequency pattern generation system which is robuster and is richer in expression than heretofore, is conspicuous in intonation, and is more natural. 従来と比べて頑健かつ表現豊かであり抑揚の際立ったより自然な基本周波数パターン生成装置を提供すること。 - 特許庁