Package index • baRulho

Prepare acoustic data

Functions that format acoustic data for playback experiments

master_sound_file(): Create a master sound file

synth_sounds(): Create synthetic sounds

Aligning test sound files

Aligning test sounds to determine their time position

align_test_files(): Align test sound files

auto_realign(): Fix small misalignments in the time position test sounds

find_markers(): Find acoustic markers on test sound files

manual_realign(): Plot spectrograms to check test sound files alignment

plot_aligned_sounds(): Plot spectrograms to check test sound files alignment

Quantify degradation

Functions for quantifying and visually exploring degradation

blur_ratio(): Measure blur ratio in the time domain

detection_distance(): Measure detection distance of sound

envelope_correlation(): Measure amplitude envelope correlation

excess_attenuation(): Measure excess attenuation

plot_blur_ratio(): Plot blur ratio

plot_degradation(): Save multipanel plots with reference and test sounds

set_reference_sounds(): Set reference for test sounds

signal_to_noise_ratio(): Measure attenuation as signal-to-noise ratio

spcc(): Measure spectrographic cross-correlation as a measure of sound distortion

spectrum_blur_ratio(): Measure blur ratio in the frequency domain

spectrum_correlation(): Measure frequency spectrum correlation

tail_to_signal_ratio(): Measure reverberations as tail-to-signal ratio

Built in datasets

Datasets included in baRulho

master_est: Extended selection table of master acoustic data

test_sounds_est: Extended selection table with re-recorded playbacks

Additional functions

attenuation(): Estimate attenuation of sound pressure level

add_noise(): Add synthetic noise

noise_profile(): Measure full spectrum sound noise profiles

spot_ambient_noise(): Find a segment of ambient noise to be used as reference