背景声 meaning in English

ambient sount
background sound
sound background

You can also download extra background sounds for use with brainwave generator
您还可以下载额外的背景声用脑波发生器
Based on the quality of the connection , the variety of wild life in the background and
从通话质量及各种野生动物的背景声
Background sound effects
背景声效应
Abstract : in the paper , based on the problem that strong reactive background noise can bring about a big measurement error when sound power is measured in a narrow room , such as power room in a diesel locomotive , it is analyzed theoretically that sound power is measured and carried out by using sound intensity probe hood , and sound power of diesel engine surface noise is measured in a power room
文摘:在狭小空间如内燃机车动力室的条件下，测量柴油机表面噪声声功率时，动力室内抗性背景声很强引起较大的测量误差，从理论上分析了采用声强探头罩进行声功率测量的可行性，并进行了内燃机车柴油机表面噪声的声功率测量。