The electronics in the pedal are boosting certain frequencies, basically creating different combinations of formants that to our ear sound like vowels.

踏板上的电子设备加强了某些频率，基本上创造了不同的共振峰组合，在我们的耳朵里听起来像元音。

Then your brain processes this motion in your internal ear and tells your cognition that oh this motion in my ear sounds like a balloon popping.

然后你的大脑会处理你内耳中的这种运动，并告诉你的认知：哦，我耳朵里的这种运动听起来就像气球爆裂一样。