
This functions calculates the sum of dB values
moredB(x, level="IL")
a numeric vector or numeric matrix.
intensity level ("IL"
) or sound pressure level ("SPL"
)
A numeric vector of length 1.
The addition of dB values is not linear. See examples.
Hartmann, W. M. 1998 Signals, sound and sensation. New York: Springer.
# NOT RUN {
# two sources of 60 dB give an intensity level of 63 dB
moredB(c(60,60))
# addition of three sources
moredB(c(89,90,95))
# }
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