internal seewave Time wave analysis and graphical representation
interface export Export sound data playlist To run aplaylist of sound files listen Play a sound wave savewav Save .wav file sox Call externally SoX wav2flac wav-flac file conversion
data orni Song of the cicada Cicada orni
peewit Song of the bird Vanellus vanellus
pellucens Calling song of the tree cricket Oecanthus pellucens
sheep Sheep bleat
tico Song of the bird Zonotrichia capensis
edition addsilw Add or insert a silence section cutw Cut a section of a time wave deletew Delete a section of a time wave mutew Replace time wave data by 0 values pastew Paste a time wave to another one repw Repeat a time wave resamp Resample a time wave revw Time reverse of a time wave rmoffset Remove the offset of a time wave zapsilw Zap silence periods of a time wave
time / amplitude acoustat Statistics on time and frequency STFT contours ama Amplitude modulation analysis of a time wave corenv Cross-correlation between two time wave envelopes crest Crest factor diffenv Difference between two amplitude envelopes diffwave Difference between two time waves drawenv Draw the amplitude envelope of a time wave dynoscillo Dynamic oscillogram env Amplitude envelope of a time wave M Amplitude index oscillo Shows a time wave as an oscillogram oscilloEQ Shows a multipanel plot of a time wave displaying the oscillogram of a bank of frequency filters like in an 'equalizer'. oscilloST Shows a stereo time wave as oscillograms phaseplot Shows 1st, 2nd and 3rd derivatives of a wave phaseplot2 Shows a time wave against a delayed version of itself roughness Roughness of a curve (a time wave or a spectrum) rugo Rugosity of a time wave or time series setenv Set the amplitude envelope of a time wave to another one timer Time measurements of a time wave th Temporal entropy TKEO Teager-Kaiser Energy Operator
frequency acoustat Statistics on time and frequency STFT contours autoc Short-term autocorrelation of a time wave bwfilter Butterworth frequency filter ccoh Continuous coherence function between two time waves ceps Cepstrum or real cepstrum cepstro 2D-cepstrogram of a time wave combfilter Frequecncy comb filter coh Coherence between two time waves corspec Cross-correlation between two frequency spectra covspectro Covariance between two spectrograms csh Continuous spectral entropy cutspec Cut a frequency spectrum dfreq Dominant frequency of a time wave diffcumspec Difference between two cumulated frequency spectra diffspec Difference between two frequency spectra diffwave Difference between two time waves discrets Discretisation of a numeric (time) series drawfilter Draw the profile of a frequency filter dynspec Dynamic sliding spectrum dynspectro Dynamic sliding spectrogram fbands Frequency bands plot (equalizer plot) ffilter Frequency filter fma Frequency modulation analysis fpeaks Frequency peaks detection ftwindow Fourier transform windows fund Fundamental frequency ggspectro 2D-spectrogram of a time wave with ggplot2 H Total entropy hilbert Hilbert transform and analytic signal ifreq Instantaneous frequency itakura.dist Itakura-Saito distance kl.dist Kullback-Leibler distance ks.dist Kolmogorov-Smirnov distance localpeaks Local maximum frequency peak detection logspec.dist Log-spectral distance lts Long-term spectrogram meanspec Mean frequency spectrum of a time wave melfilterbank Mel-frequency filter bank NDSI Normalized Difference Soundscape Index notefreq Frequency of a musical note preemphasis Preemphasis frequency filter Q Resonance quality factor of a frequency spectrum roughness Roughness of a curve (a time wave or a spectrum) SAX Symbolic Aggregate approXimation sfm Spectral Flatness Measure sh Spectral entropy specflux Compute spectral flux simspec Similarity between two frequency spectra scd Soundscape chord diagram soundscapespec Soundscape frequency spectrum of a time wave spec Frequency spectrum of a time wave specprop Spectral properties spectro 2D-spectrogram of a time wave spectro3D 3D-spectrogram of a time wave squarefilter Frequecncy square filter stft.ext Short-term Fourier transform using external C libraries symba Symbol analysis wf Waterfall display zc Instantaneous frequency of a time wave by zero-crossing zcr Zero-crossing rate
synthesis, modifications afilter Amplitude filter echo Echo generator fadew Fade in and fade out of a time wave fdoppler Doppler effect fir Finite Impulse Response filter lfs Linear Frequency Shift noisew Generate noise pulse Generate rectangle pulse rmam Remove the amplitude modulations of a time wave rmnoise Remove gaussian noise synth Synthesis of time wave (additive model) synth Synthesis of time wave (tonal model)
alpha indices ACI Acoustic Complexity Index AR Acoustic Richness index M Amplitude index roughness Roughness of a curve (a time wave or a spectrum) rugo Rugosity of a time wave or time series th Temporal entropy fpeaks Frequency peaks detection H Total entropy NDSI Normalized Difference Soundscape Index roughness Roughness of a curve (a time wave or a spectrum) sfm Spectral Flatness Measure specprop Spectral properties TFSD normalized Time and Frequency Second Derivative
beta indices diffenv Difference between two amplitude envelopes diffcumspec Difference between two cumulated frequency spectra diffspec Difference between two frequency spectra diffwave Difference between two time waves itakura.dist Itakura-Saito distance kl.dist Kullback-Leibler distance ks.dist Kolmogorov-Smirnov distance logspec.dist Log-spectral distance simspec Similarity between two frequency spectra
extra attenuation Generate sound intensity attenuation data audiomoth Reading and interpreting Audiomoth file name audiomoth.rename Rename audiomoth files in a readable format beep Beep sound convSPL Convert sound pressure level in other units dBscale dB colour scale for a spectrogram display dBweight dB weightings field Near field and far field limits gammatone Generate gammatone filter in the time domain (impulse response) mel Hertz / Mel conversion meandB Mean of dB values micsens Microphone sensitivity moredB Addition of dB values octaves Octaves series read.audacity Read audio markers as exported by Audacity rms Root Mean Square seedata A quick look at quantitative data songmeter Reading and interpreting SongMeter file name songmeterdiag Songmeter file diagnostics and diagram wasp WAve length and SPeed of sound
wav2dBSPL Convert wave amplitude to instantaneous sound pressure level (dB SPL) wav2leq Convert wave amplitude to equivalent continuous sound pressure level (Leq) write.audacity Write audio markers to be imported by Audacity