Man pages for soundgen
Sound Synthesis and Acoustic Analysis

acf_fftAutocorrelation with FFT
addAMAdd amplitude modulation
addFormantsAdd formants
analyzeAcoustic analysis
annotation_appAnnotation app
audSpectrogramAuditory spectrogram
bandpassBandpass/stop filters
beatGenerate beat
clumperClump a sequence into large segments
compareSoundsCompare sounds
crossFadeJoin two waveforms by cross-fading
detectNLPDetect NLP
detectNLP_training_nonvTraining datasets for NLP detection
dot-roxygen_defaultsCanonical roxygen docs (inherited, not user-facing)
estimateVTLEstimate vocal tract length
fadeFade
filterSoundByMSFilter sound by modulation spectrum
findPeaksFind peaks
flatEnvFlat envelope / compressor
formant_appInteractive formant tracker
gaussianSmooth2DGaussian smoothing in 2D
generateNoiseGenerate noise
getBandwidthGet bandwidth
getDurationGet duration
getEntropyEntropy
getEnvGet amplitude envelope
getFormantFilterFormant filter
getHNRGet HNR
getIntegerRandomWalkDiscrete random walk
getLoudnessGet loudness
getPeakFreqGet peak frequency
getPitchZcZero-crossing rate
getRandomWalkRandom walk
getRMSRMS amplitude
getRolloffRolloff of harmonics in source spectrum
getRoughnessCalculate prop or fluctuation
getSharpnessGet sharpness
getSmoothContourSmooth contour from anchors
getSpecUniversal spectrogram extractor
getSpecEnvGet spectral envelope
getSurprisalGet surprisal
hilbert_exactHilbert transforms
hillenbrandFormants in American vowels
HzToOtherConvert between Hz and other frequency scales
interpolateInterpolation
interpolateNAInterpolate NAs
interpolMatrixInterpolate matrix
invertSpectrogramInvert spectrogram
IRImpulse response
matchParsMatch soundgen pars (experimental)
mixAtSNRMix signals at specific SNR
modulationSpectrumModulation spectrum
morphMorph sounds
naiveBayesNaive Bayes
noiseRemovalNoise removal
normalizeFolderNormalize folder
oscOscillogram
phasegramPhasegram
pitch_appInteractive pitch tracker
pitchDescriptivesPitch descriptives
pitchSmoothPraatPitch smoothing as in Praat
playmePlay audio
plotMSPlot modulation spectrum
presetsPresets
prosodyProsody
reportCIReport CI
reportTimeReport time
resampleResample a vector
reverbReverb & echo
rnorm_truncatedRandom draw from a truncated normal distribution
schwaSchwa-related formant conversion
segmentSegment a sound
segment_annExtract annotated syllables
shiftFormantsShift formants
shiftPitchShift pitch
soundgenGenerate a sound
soundgen_appInteractive sound synthesizer
soundgen-packageThe soundgen package
specToMSSpectrogram to modulation spectrum and back
specToMS_1DSpectrogram to modulation spectrum 1D
spectrogramSpectrogram
spectrumSpectrum
speechExSpeech example
ssmSelf-similarity matrix
stft_simpleSTFT and inverse STFT
timeStretchTime stretch
transplantEnvTransplant envelope
transplantFormantsTransplant formants
winFunWindowing functions for the Fourier transform
soundgen documentation built on Sept. 20, 2026, 5:07 p.m.