preemphasis circuit

例句：

1. 1.The preemphasis circuit in the amplifier is responsible for boosting the signal before it reaches the output stage.
   放大器中的预加重电路负责在信号到达输出阶段之前增强信号。
2. 2. In speech processing, the preemphasis circuit is used to compensate for the natural variation in vocal intensity.
   在语音处理中，预加重电路用于补偿声带自然强度的变化。
3. 3. The preemphasis circuit was designed to improve the clarity and resolution of audio signals.
   预加重电路的设计是为了提高音频信号的清晰度和分辨率。