| 单词 | 声音信号 |
| 释义 | 〔Dolby〕A trademark used for an electronic device that eliminates noise from recorded sound and audio signals.道尔贝降噪系统：一种能从录音或声音信号中消除噪音的电子装置的商标名〔telephone〕An instrument that converts voice and other sound signals into a form that can be transmitted to remote locations and that receives and reconverts waves into sound signals.电话机：将话音和其它声音信号转变成能传送到远方地点的形式，而远处能接收电波并将电波还原成声音信号的仪器〔decibel〕A unit used to express relative difference in power or intensity, usually between two acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two levels.分贝：通常表示两个声音信号或电力信号在功率或强度方面的相对差别的单位，相当于两个水平的比率的常用对数的十倍〔Sensurround〕A trademark used for a motion-picture sound effect consisting of low-frequency sound signals felt by the audience as vibrations.环绕临场感：用作一种电影声音效果的商标，它是由观众感到振动的低频声音信号组成 |
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