API for SII
Calculate ANSI/ASA S3.5-1997 (R2024) Speech Intelligibility Index

Global functions
SII Man page
SII-package Man page
benchmark_reference_audiograms Source code
calculate_binaural_loudness Man page Source code
calculate_loudness Man page Source code
calculate_loudness_bramslow2004 Man page Source code
calculate_loudness_cpp Man page Source code
calculate_nal_sspl90 Source code
calculate_nalr_gain Source code
calculate_open_nl_gain Source code
convert_1_3_octave_to_density Man page Source code
critical Man page
equal Man page
export_gains Man page Source code
get_nalnl2_v2_target Source code
get_specific_loudness Man page Source code
octave Man page
onethird Man page
open_nl Man page Source code
overall.spl Man page
plot.SII Man page Source code
plot.prescription_target Man page Source code
plot_gain Source code
prescribe_compression Man page Source code
print.SII Man page
print.prescription_target Man page Source code
sic.critical Man page
sic.octave Man page
sic.onethird Man page
sii Man page Source code
sii.excel Source code
summary.SII Man page
summary.prescription_target Man page Source code
SII documentation built on Sept. 12, 2026, 5:08 p.m.