Extract Parts and Analyze Formants in Single C++ Call

Usage

sound_extract_and_formant(
  sound,
  from_times,
  to_times,
  time_step = 0.005,
  max_formants = 5,
  max_frequency = 5500,
  window_length = 0.025,
  pre_emphasis_from = 50,
  return_r6 = TRUE
)

Arguments

sound: Sound object (R6) or external pointer
from_times: Numeric vector of start times
to_times: Numeric vector of end times
time_step: Numeric. Formant time step (default: 0.005)
max_formants: Numeric. Maximum number of formants (default: 5)
max_frequency: Numeric. Maximum frequency (default: 5500)
window_length: Numeric. Window length (default: 0.025)
pre_emphasis_from: Numeric. Pre-emphasis frequency (default: 50)
return_r6: Logical. Return R6 Formant objects (TRUE) or raw xptrs (FALSE)

Value

List of Formant objects (R6 or xptr depending on return_r6)

Examples

sound <- Sound$create_tone(frequency = 150, duration = 2.0)
from_times <- c(0.2, 1.0)
to_times <- c(0.6, 1.4)
formants <- sound_extract_and_formant(sound, from_times, to_times)