seewave (version 1.3)

noise: Generate noise

Description

This function generates noise.

Usage

noise(f, d, ...)

Arguments

f

sampling frequency of the signal to be generated

d

duration of the signal to be generated

...

other rnorm parameters.

Value

• Returns a one column matrix with random data (by defalut: mean = 0, sd = 1).

Details

am is based on rnorm

See Also

synth

Examples

# add noise to a synthetic signal
a<-noise(d=1,f=8000)
b<-synth(f=8000,d=1,cf=2000,plot=FALSE)
c<-a+b
spectro(c,f=8000,wl=512)