Noise Frequency is like Color
Colors are handy when it comes to describing different noise frequencies.
Below is an extract from this article.
Here is an overview of the approximate color spectrum for different types of noise:
- Black Noise: 0Hz – 50Hz; explosion rumble, near infrasonic, sub bass
- Brown Noise: 50Hz – 250Hz; thunder, distant plane or rocket, large moving objects
- Red Noise: 250Hz – 500Hz; airplane cabin, train or car interior
- Orange Noise: 500Hz – 1kHz; river, city ambiance
- Yellow Noise: 1kHz – 3kHz; rain, distant waterfall
- Green Noise: 3kHz – 7kHz; bacon frying, acid on concrete
- Blue Noise: 7kHz – 15kHz; light breeze, aerosol, hihats
- Violet Noise: 15kHz – 30kHz; gas escaping, angry snake
