This function selects and delete a section of data describing a time wave.
Original section and section after deletion can be plotted as oscillograms for comparison.
Usage
deletew(wave, f, from = FALSE, to = FALSE, plot = FALSE, marks = TRUE, Sample = FALSE,...)
Arguments
wave
data describing a 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.
from
start mark (in s).
to
end mark (in s).
plot
logical, if TRUE returns an oscillographic plot of original
and cut sections (by default FALSE).
marks
logical, if TRUE shows the start and end mark on the plot (by default TRUE).
Sample
if TRUE and plot is FALSE
returns an object of class Sample
# deletion a 0.4 s section in a bird songdata(tico)
a<-deletew(tico,f=22050,from=0.5,to=0.9)
oscillo(a,22050)
# a direct way to see what has been cutdeletew(tico,f=22050,from=0.5,to=0.9,plot=TRUE)