Acoustic Basics I

Current version of the page has been reviewed and is approved ().


An introduction to the walk: This walk will take you through the key concepts of acoustics, guiding you through basic principles and their practical implications.
Frequency
Decibel & Level calculation
A: How are dB and dBu, dBV etc. related?
B: How do relative and absolute levels come together?
C: Summing of Levels
D: Coherent and non-coherent signals (summing noise signals)
E: Some Calculators
Understanding Sound Pressure Level
Table of sound pressure levels
Propagation of Sound
Sound and distance − Sound pressure and sound intensity