Decibels
- Acoustics - Intensity Level (Decibels) Formula - The intensity level (IL) or sound pressure level (SPL) in decibels (dB) is a logarithmic measure of the sound intensity relative to a reference intensity. This calculator helps calculate the intensity level.
- Sound Transmission Loss (TL) - The sound transmission loss (TL) is a measure of the reduction of sound energy passing through a barrier. This calculator helps find the sound transmission loss in decibels.