zapsilw {seewave}R Documentation

Zap silence periods of a time wave

Description

This function simply delete the silence periods of a time wave.

Usage

zapsilw(wave, f, threshold = 5, plot = TRUE, Sample = FALSE, ...)

Arguments

wave data describing the time wave or a Sample object generated loading a wav file with loadSample (package sound).
f sampling frequency of wave (in Hz). Does not need to be specified if wave is a Sample object.
threshold amplitude threshold (in %) between silence and signal.
plot logical, if TRUE plots the orginal and the new oscillograms (by default TRUE).
Sample if TRUE and plot is FALSE returns an object of class Sample
... other oscillo graphical parameters.

Value

If plot is FALSE, a new wave is returned as a one-column matrix or as a Sample object if Sample is TRUE.

Note

Use the argument threshold to set the level of silence. See the examples.

Author(s)

Jerome Sueur sueur@mnhn.fr

See Also

afilter, oscillo

Examples

data(orni)
zapsilw(orni,f=22050,colwave="red")
# setting the threshold value
zapsilw(orni,f=22050,threshold=1)

[Package seewave version 1.5.0 Index]