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warbleR (version 1.1.31)

envelope: Calculates the absolute amplitude envelope

Description

Calculates the absolute amplitude envelope

Value

An amplitude envelope.

Arguments

x

Numeric vector with amplitude values. Required.

ssmooth

Numeric vector of length 1 indicating the size of the sliding window use to smooth envelopes. Default is 0 (no smoothing).

Author

Marcelo Araya-Salas (marcelo.araya@ucr.ac.cr) & Paula Monge

Details

The function calculates the absolute amplitude envelope of an amplitude vector using compiled C code which is usually several times faster.

References

Araya-Salas, M., & Smith-Vidaurre, G. (2017). warbleR: An R package to streamline analysis of animal acoustic signals. Methods in Ecology and Evolution, 8(2), 184-191.

See Also

env.

Examples

Run this code
{
data(tico)

amp_env <- envelope(tico@left, ssmooth = 100)
}

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