| by_element_est | Convert a by-song extended selection table to by-element | 
| catalog | Create catalogs of vocal signals | 
| catalog2pdf | Combine 'catalog' images into pdfs | 
| check_sels | Check selection data frames | 
| check_sound_files | Check sound files | 
| color_spectro | Highlight spectrogram regions | 
| compare_methods | Assessing the performance of acoustic distance measurements | 
| comp_matrix | Example matrix listing selections to be compared by 'cross_correlation' | 
| consolidate | Consolidate (sound) files into a single directory | 
| cross_correlation | Time-frequency cross-correlation | 
| cut_sels | Cut selections into individual sound files | 
| duration_sound_files | Measure the duration of sound files | 
| envelope | Calculates the absolute amplitude envelope | 
| filter_sels | Subset selection data frames based on manually filtered image files | 
| find_clipping | Find clipped selections | 
| fix_extended_selection_table | Fix extended selection tables | 
| fix_wavs | Fix .wav files to allow importing them into R | 
| freq_DTW | Acoustic dissimilarity using dynamic time warping on dominant frequency contours | 
| freq_range | Detect frequency range iteratively | 
| freq_range_detec | Detect frequency range on wave objects | 
| freq_ts | Extract frequency contours as time series | 
| full_spectrogram2pdf | 'full_spectrogram2pdf' combines 'full_spectrograms' images in .jpeg format to a single pdf file. | 
| full_spectrograms | Create long spectrograms of entire sound files | 
| gaps | Gap duration | 
| image_to_wave | Convert images into wave objects | 
| inflections | Count number of inflections in a frequency contour | 
| info_sound_files | Get sound file parameter information | 
| is_extended_selection_table | Class 'extended_selection_table': selection table containing wave objects | 
| is_selection_table | Class 'selection_table': double-checked frequency/time coordinates of selections | 
| lbh_selec_table | Example data frame of selections (i.e. selection table). | 
| map_xc | Maps of 'Xeno-Canto' recordings by species | 
| mfcc_stats | Calculate descriptive statistics on Mel-frequency cepstral coefficients | 
| move_images | Move/copy image files between directories | 
| mp32wav | Convert .mp3 files to .wav | 
| multi_DTW | A wrapper on 'dtwDist' for comparing multivariate contours | 
| open_wd | Open working directory | 
| overlapping_sels | Find overlapping selections | 
| phylo_spectro | Add spectrograms onto phylogenetic trees | 
| plot_coordination | Coordinated singing graphs | 
| query_xc | Access 'Xeno-Canto' recordings and metadata | 
| read_sound_file | An extended version of read_wave that reads several sound file formats and files from selection tables | 
| read_wave | A wrapper for tuneR's readWave that read sound files listed within selection tables | 
| remove_channels | Remove channels in wave files | 
| remove_silence | Remove silence in wave files | 
| rename_est_waves | Rename wave objects and associated metadata in extended selection tables | 
| resample_est | Resample wave objects in a extended selection table | 
| selection_table | Create 'selection_table' and 'extended_selection_table' objects | 
| sig2noise | Measure signal-to-noise ratio | 
| simulate_songs | Simulate animal vocalizations | 
| sim_coor_sing | Simulated coordinated singing events. | 
| snr_spectrograms | Spectrograms with background noise margins | 
| song_analysis | Calculates acoustic parameters at the song level | 
| sort_colms | Sort columns in a more intuitive order | 
| sound_pressure_level | Measure relative sound pressure level | 
| spectrograms | Spectrograms of selected signals | 
| spectro_analysis | Measure acoustic parameters in batches of sound files | 
| split_sound_files | Splits sound files | 
| sth_annotations | Example data frame of annotations from a Scale-throated hermit song (i.e. selection table). | 
| tailor_sels | Interactive view of spectrograms to tailor selections | 
| test_coordination | Randomization test for singing coordination | 
| track_freq_contour | Spectrograms with frequency measurements | 
| track_harmonic | Track harmonic frequency contour | 
| tweak_spectro | Plot a mosaic of spectrograms with varying display parameters | 
| warbleR_options | Setting warbleR options | 
| wav_2_flac | Convert .wav files to .flac | 
| wpd_features | Measure wavelet packet decomposition features (EXPERIMENTAL) |