中文说明：
调频广播中，为了提高音频高频率端的信噪比，在发射端进行的预加重处理。
English Description：
In FM broadcasting, in order to improve the signal-to-noise ratio of high frequency audio, the pre emphasis processing is carried out at the transmitter.
In order to improve the signal-to-noise ratio (SNR) of high frequency audio, the pre emphasis proces
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中文说明：
调频广播中，为了提高音频高频率端的信噪比，在发射端进行的预加重处理。
English Description：
In FM broadcasting, in order to improve the signal-to-noise ratio of high frequency audio, the pre emphasis processing is carried out at the transmitter.
调皮广播预加重
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