一个廉价的内置音频芯片可能有某种在放大器的低通滤波器，避免吸烟本身虽然。

A cheap builtin audio chip is likely to have some sort of low pass filter in its amp to avoid smoking itself though.

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比如，从麦克风采集的音频信号调节可能涉及以上任何接地系统的正确与否以及是否使用低通滤波器。

For example, signal conditioning for audio data from a microphone may involve nothing more than grounding the system properly and perhaps using a lowpass filter.

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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。

Analog synthesis often use low-pass filter to remove electronic audio generator generated by high-frequency noise.

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