声频噪声 af noise; audible noise; audio frequency noise; audiofrequency noise 声频噪声值 audio nuisance value .
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audio-frequency noise 音频嗓声 ; 音频噪声
Experiments and simulations show that the proposed system can operate in audio switch frequency range without audio noise from the motor load, meanwhile, EMI can be limited to low level.
实验与仿真结果表明：该系统采用音频开关而不导致电机负载的音频噪声，同时使EMI能被限制在低电平。
Analog synthesis often use low-pass filter to remove electronic audio generator generated by high-frequency noise.
模拟合成器常常使用低通滤波器来去除电子音频发生器所产生的高频噪声。
Only four parameters are needed to define everything that matters for audio reproduction: Noise, frequency response, distortion, and time-based errors.
对声频复制来说，所以重要的事情都可以用四个参数来标出：噪音，频率响应，失真，时基误差。
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