Analog synthesis often use low-pass filter to remove electronic audiogenerator 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。
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Therefore, this device must design analog signals generator, digital signals generator, series signals generator, pulse signals generator, audio signals generator, and video signals generator.
It introduces a new technology of audio measurement. A laser vibration measurement meter was used in conjunction with a function signal generator and a multi-channel signal analyzer to measure audio.