声波干涉原理在电声系统降噪中的应用  

Application of the Principle of Acoustic Wave Interference in Noise Reduction of Electro-Acoustic System

作　　者：方锋[1] FANG Feng(Shangqiu Medical College,Shangqiu 476100,China)

机构地区：[1]商丘医学高等专科学校,河南商丘476100

出　　处：《电声技术》2025年第2期43-45,共3页Audio Engineering

摘　　要：为探讨声波干涉原理在电声系统降噪中的应用,首先阐述声波干涉原理,包括建设性干涉和毁灭性干涉。其次分析电声系统中的热噪声、射频干扰、机械噪声、电源噪声及环境噪声问题。最后重点介绍声波干涉在主动噪声控制耳机、声波干涉屏障、声学低频陷阱及智能降噪系统中的应用,展示声波干涉在改善电声系统音质和降低噪声方面的重要作用。In order to discuss the application of acoustic interference principle in noise reduction of electroacoustic system,this paper expounds the acoustic interference principle,including constructive interference and destructive interference.Secondly,the thermal noise,radio frequency interference,mechanical noise,power supply noise and environmental noise in the electroacoustic system are analyzed.Finally,the applications of acoustic interference in active noise control headphone,acoustic interference barrier,acoustic low frequency trap and intelligent noise reduction system are emphatically introduced,and the important role of acoustic interference in improving sound quality and reducing noise in electroacoustic systems is shown.

关 键 词：声波干涉原理 主动噪声控制 声学屏障 声学陷阱 智能降噪系统 

分 类 号：TB535[理学—物理] O429[理学—声学]