seewave (version 2.2.3)

zapsilw: Zap silence periods of a time wave

Description

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

Usage

zapsilw(wave, f, channel = 1, threshold = 5, plot = TRUE, output = "matrix", ...)

Value

If plot is FALSE, a new wave is returned. The class of the returned object is set with the argument output.

Arguments

wave

an R object.

f

sampling frequency of wave (in Hz). Does not need to be specified if embedded in wave.

channel

channel of the R object, by default left channel (1).

threshold

amplitude threshold (in %) between silence and signal.

plot

logical, if TRUE plots the orginal and the new oscillograms (by default TRUE).

output

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

...

other oscillo graphical parameters.

Author

Jerome Sueur

See Also

afilter, oscillo

Examples

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