seewave (version 1.5.5)

moredB: Addition of dB values

Description

This functions calculates the sum of dB values

Usage

moredB(x)

Arguments

x

a numeric vector or a matrix.

Value

• A numeric vector or a matrix is returned.

Details

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

References

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

See Also

convSPL, dBweight

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))