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"Green noise" nghĩa là gì?
31 Jan, 2023
Photo by Robert Lukeman on Unsplash
"Green noise" = âm thanh xanh -> nghĩa là hỗn hợp âm thanh giống với âm thanh thiên nhiên như tiếng thác nước, tiếng lá rơi, giúp con người thư giãn.
Ví dụ
While it’s not a new concept, green noise is rising in popularity, with interest in the coloured sound rising by 425% over the past five years – especially among those dealing with insomnia (chứng mất ngủ).
Green noise is a variation (biến thể) of white noise found in the middle of the frequency spectrum (một chuỗi) – with a limited frequency range that sits around that centres around 500Hz.
The same goes for being in an area where there are loud noises like traffic or other busy places such as an airport or train station. Luckily, there are machines that produce green noise to help with this problem as well.
Ngọc Lân
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