Load an audio located at 'filepath' using audiofile backend.
audiofile_loader(
filepath,
offset = 0L,
duration = 0L,
unit = c("samples", "time")
)(str) path to the audio file.
(num) the sample (or the second if unit = 'time') where the audio should start.
(num) how many samples (or how many seconds if unit = 'time') should be extracted.
(str) 'samples' or 'time'