baRulho
baRulho is intended to facilitate acoustic analysis of (animal) sound transmission experiments, which typically aim to quantify changes in signal structure when transmitted in a given habitat by broadcasting and re-recording animal sounds at increasing distances. The package offers a workflow with functions to prepare the data set for analysis as well as to calculate and visualize several degradation metrics, including blur ratio, signal-to-noise ratio, excess attenuation and envelope correlation among others (Dabelsteen et al 1993).
Install/load the package from CRAN as follows:
# From CRAN would be
#install.packages("baRulho")
#load package
library(baRulho)
To install the latest developmental version from github you will need the R package devtools:
# From github
devtools::install_github("maRce10/baRulho")
#load package
library(baRulho)
Please cite baRulho as follows:
Araya-Salas, M. (2020), baRulho: quantifying habitat-induced degradation of (animal) acoustic signals in R. R package version 1.0.0.
References
Araya-Salas, M. (2017), Rraven: connecting R and Raven bioacoustic software. R package version 1.0.0.
Araya-Salas M, Smith-Vidaurre G (2017) warbleR: An R package to streamline analysis of animal acoustic signals. Methods Ecol Evol 8:184–191.
Dabelsteen, T., Larsen, O. N., & Pedersen, S. B. (1993). Habitat-induced degradation of sound signals: Quantifying the effects of communication sounds and bird location on blur ratio, excess attenuation, and signal-to-noise ratio in blackbird song. The Journal of the Acoustical Society of America, 93(4), 2206.
Marten, K., & Marler, P. (1977). Sound transmission and its significance for animal vocalization. Behavioral Ecology and Sociobiology, 2(3), 271-290.
Morton, E. S. (1975). Ecological sources of selection on avian sounds. The American Naturalist, 109(965), 17-34.
Tobias, J. A., Aben, J., Brumfield, R. T., Derryberry, E. P., Halfwerk, W., Slabbekoorn, H., & Seddon, N. (2010). Song divergence by sensory drive in Amazonian birds. Evolution, 64(10), 2820-2839.