ESDU 66017 provides a method of determining the combined sound level resulting from two or more sources of known levels. The method may be used to obtain the overall level for a single source by combination of the levels in particular frequency bands. Data are provided as an equation and in graphical form, and an example of their use is given.
| IHS ESDU | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | 66017 |
| Product Name | Combination of levels in dB. |