moredB {seewave} | R Documentation |
This functions calculates the sum of dB values
moredB(x)
x |
a numeric vector or a matrix. |
The addition of dB values is not linear. See examples.
A numeric vector or a matrix is returned.
Jerome Sueur sueur@mnhn.fr
Hartmann, W. M. 1998 Signals, sound and sensation. New York: Springer.
# two sources of 60 dB give an intensity or pressure level of 63 dB moredB(c(60,60)) # addition of three sources moredB(c(89,90,95))