The format is:
List of 3
$ sound: num [1, 1:17380] -0.000275 -0.00061 -0.000397 -0.000793 -0.000305 ...
$ rate : int 22050
$ bits : int 16
- attr(*, "class")= chr "Sample"
Details
Sound samples are in Element “sound” while “rate” is the sampling rate (in Hz)
and “bits” the resolution of the underlying Wave file.