This function looks for files generated by a SongMeter device (audio digal recorders produced by the society Wildlife Acoustics) and checks for possible missing or small files according to a predefined recording schedule.
songmeterdiag(dir, start, end, frequency,
pch.exi = 1, pch.mis = 19,
col.exi = 1, col.mis = 2,
cex.exi = NULL, cex.mis = 0.5,
limits = FALSE, output="file", plot = FALSE)
A character vector with the names of the missing files.
The function works for a single or several directories so that the operation of several SongMeters can be compared visually. This function should be helpful to check quickly how the devices worked.
See Wildlife Acoustics website for details regarding the SongMeters 2, 3 and 4: https://www.wildlifeacoustics.com/
songmeter