Nc 噪声 criterion
參考 數据 與 工程 information about nc 噪声 criterion 用于 acoustics applications.
noisecriterion
Overview
Engineering reference data for Nc Noise Criterion in acoustics.
Key Formulas
Speed of Sound
Speed of sound in an ideal gas.
Sound Level
Decibel level.
Wavelength
Wavelength = speed / frequency.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Speed of sound | m/s | |
| Sound level | dB | |
| Wavelength | m | |
| Frequency | Hz |