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noisew

Generate noise

Description

This function generates noise.

Usage

noisew(f, d, type="unif", listen = FALSE, output = "matrix")

Arguments

f

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

duration of the signal to be generated.
type

a character string to specify the type of noise, either "unif" or "gaussian".
listen

if TRUE the new sound is played back.
output

character string, the class of the object to return, either "matrix", "Wave", "Sample", "audioSample" or "ts".

Details

Uniform noise is generated using runif and gaussian noise is based on rnorm

Value

A new wave is returned. The class of the returned object is set with the argument output.

Author(s)

Jerome Sueur sueur@mnhn.fr

See Also

Examples

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

Sound Analysis and Synthesis

v2.1.6
GPL (>= 2)
Authors
Jerome Sueur <sueur@mnhn.fr> [cre, au], Thierry Aubin [au], Caroline Simonis [au], Laurent Lellouch [main ctrb], Ethan C. Brown [ctrb], Marion Depraetere [ctrb], Camille Desjonqueres [ctrb], Francois Fabianek [ctrb], Amandine Gasc [ctrb], Eric Kasten [ctrb], Stefanie LaZerte [ctrb], Jonathan Lees [ctrb], Jean Marchal [ctrb], Andre Mikulec [ctrb], Sandrine Pavoine [ctrb], David Pinaud [ctrb], Alicia Stotz [ctrb], Luis J. Villanueva-Rivera [ctrb], Zev Ross [ctrb], Carl G. Witthoft [ctrb], Hristo Zhivomirov [ctrb].
Initial release
2020-06-28

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