moredB {seewave}R Documentation

Addition of dB values

Description

This functions calculates the sum of dB values

Usage

moredB(x)

Arguments

x a numeric vector or a matrix.

Details

The addition of dB values is not linear. See examples.

Value

A numeric vector or a matrix is returned.

Author(s)

Jerome Sueur sueur@mnhn.fr

References

Hartmann, W. M. 1998 Signals, sound and sensation. New York: Springer.

Examples

# 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))

[Package seewave version 1.5.0 Index]