专业音频术语中英文对照 D:DBA decibel adjusted 调整分贝;DBB dynamic bass boost 动态低音提升;DBK decibels referred to one kilowatt 千瓦分贝;DBm decibel above one milliwatt in 600 ohms 毫瓦分贝;DBS direct broadcast satellite 直播卫星;DBX 压缩扩展式降噪系统;DC distance controlled 遥控器;DCA digital comm