pink noise
noun [ U ] physics specialized uk/ˌpɪŋk ˈnɔɪz/ us/ˌpɪŋk ˈnɔɪz/
粉红噪声（具有大量低频声音的声音或电信号的混合噪声）
a mixture of sounds or electrical signals that has a lot of low-frequency sounds, producing a deep sound
Pink noise can drown out the sound of the human voice. 粉红噪声可以盖过人声。
Unlike the white noise that used to come from the television set, pink noise does not have the harsh upper ends of the sound scale. 与过去来自电视机的白噪声不同，粉红噪声没有刺耳的上限频率。
Compare: white noise
- More examples
- Pink noise is white noise, but without the higher frequencies.
- We heard how pink noise could improve the noise levels in work environments.
- Nature is full of pink noise, including rustling leaves, steady rain, and heartbeats.