seewave (version 1.4.3)

noise: Generate noise

Description

This function generates noise.

Usage

noise(f, d)

Arguments

f

sampling frequency of the signal to be generated (in Hz)

d

duration of the signal to be generated

Value

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

Details

noise is based on runif

See Also

synth, pulse

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)