盆形喇叭disctypehornhigh0frequencyhorn
气动多音喇叭windtornhornshelltypehorn
筒形电喇叭trumpettypehorn
气喇叭airhornpneumatichorn
电控喇叭electricallycontrolledairhorn
电动气喇叭electropneumatichorn
晶体管电喇叭transistorhorn
单音喇叭monotonehorn
双音喇叭bitonehorn
三音喇叭tritonehorn
扬声筒trumpetprojector
共鸣板resonator
膜片diaphragm
支架bracket
喇叭继电器hornrelay
倒车报警器back-upbuzze
蜂鸣器buzzer
声频特性acousticproperties
声能频谱分布spectraldistributionofacousticenergy
声压计soundpressurelevel
声响讯号装置soundsignallingdevice
声级计soundlevelmeter
一音级octave
半音级half-octave
第三音级third-octave
频带过滤器bandfilter
无回音室anechoicroom
截止频率cut-offfrequency
拾音器microphone
吸声屏absorbingscreen
环境噪声级ambientnoiselevel
复音声响讯号装置multi-tonesoundsignallingdevice
信噪比singla-to-noiseratio
闭合比例dwellraito
噪声电平noiselevel |