A stereo effect is achieved through differences in sound pressure level between two microphones. 立体声效果是通过在不同的声压水平之间的两个话筒。
Uncertainty in Measurement on Sound Pressure Level(SPL) of Horn for Motor Vehicle 机动车用喇叭声压级(SPL)测量不确定度分析
Combining with the national and foreign related standards, the selection of SPL ( Sound Pressure Level(SPL) ) of sound reinforcement system is discussed in terms of technique and implement. 从技术和实际应用角度,结合国内外相关标准,对扩声系统声压级(SPL)的设置进行了论述。
Measurement of sound pressure level for sound signal appliances by seagoing vessel GB/T12303-1990海船声号器具的声压级(SPL)测量
Dipole Source Identification in Last Stage of Propylene Compressor Metal-cutting machine tools & Measurement method of sound pressure level 丙烯压缩机末级偶极子气动声源识别GB/T16769-1997金属切削机床噪声声压级(SPL)测量方法