...The phenomenon of being able to extract and hear only sound sources from a specific direction is called the cocktail party phenomenon. Understanding of sound environments and scene analysis of hearingThe cocktail party phenomenon is a notable feature of hearing. In addition to recognizing the direction of a sound source by detecting the time difference between sound waves reaching both ears, it utilizes the properties that each frequency component of the spectrum that characterizes the voice of a specific person who continues to speak does not change suddenly and is an integer multiple (harmonic) of the fundamental frequency (the reciprocal of the pitch). ... *Some of the terminology that refers to "understanding the sound environment" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…特定の方向の音源だけを抽出して聞ける現象で,カクテルパーティ現象という。音環境理解・聴覚の情景分析カクテルパーティ現象は聴覚の著しい特徴である。これは,両耳に到達する音波の時間差の検出による音源方向の認知の他に,特定の人が話し続けた場合の音声を特徴づけるスペクトルの各周波数成分は急激には変化しないことや基本周波数(ピッチの逆数)の整数倍(高調波)であることなどの性質を利用している。… ※「音環境理解」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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