"If you use iPod earbuds as a way of masking out environmental sound, it's probably too loud," Dr. Rauch said.
“如果你把随身听耳塞当成一种掩盖环境声音的方式，那就是太响了”，劳赫博士指出。
2
Based on the masking properties of the psychoacoustic model, we then derive the required sound pressure level of the watermark.
基于心理声学模型的掩蔽特性，可以得出水印被要求的相应的声压级。
3
With studying different kinds of papers domestic and abroad about masking of tinnitus and measurement of tinnitus sound, we made sure that the masking device can cure tinnitus to certain extent.