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seewave (version 2.2.0)

Sound Analysis and Synthesis

Description

Functions for analysing, manipulating, displaying, editing and synthesizing time waves (particularly sound). This package processes time analysis (oscillograms and envelopes), spectral content, resonance quality factor, entropy, cross correlation and autocorrelation, zero-crossing, dominant frequency, analytic signal, frequency coherence, 2D and 3D spectrograms and many other analyses. See Sueur et al. (2008) and Sueur (2018) .

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Version

Install

install.packages('seewave')

Monthly Downloads

3,699

Version

2.2.0

License

GPL (>= 2)

Maintainer

Jerome Sueur

Last Published

March 4th, 2022

Functions in seewave (2.2.0)

normalized Time and Frequency Second Derivative

Teager-Kaiser energy tracking operator

Median of the amplitude envelope

Acoustic Complexity Index

Symbolic Aggregate approXimation

Normalized Difference Soundscape Index

Resonance quality factor of a frequency spectrum

Acoustic Richness index

Statistics on time and frequency STFT contours

Generate sound intensity attenuation data

2D-cepstrogram of a time wave

Amplitude filter

Add or insert a silence section

Crest factor and visualization

Water tank minimum resonant and cutoff frequencies

Covariance between two spectrograms

Cut a section of a time wave

audiomoth.rename

Rename audiomoth files in a readable format

Duration of a time wave

dB colour scale for a spectrogram display

Coherence between two time waves

Reading and interpreting Audiomoth file name

Dominant frequency of a time wave

Amplitude envelope of a time wave

Cepstrum or real cepstrum

Continuous coherence function between two time waves

Cross-correlation between two time wave envelopes

Near field and far field limits

Gammatone filter

Fundamental frequency track

Frequency filter

Amplitude modulation analysis of a time wave

Butterworth frequency filter

Cross-correlation between two frequency spectra

Frequency modulation analysis

Dynamic oscillogram

Hertz / Mel conversion

Song of the bird Vanellus vanellus

Microphone sensitivity and conversion

Mel-filter bank for MFCC computation

Delete a section of a time wave

Finite Impulse Response filter

Addition of dB values

Hilbert transform and analytic signal

Repeat a time wave

2D-spectrogram of a time wave using ggplot2

Dynamic sliding spectrum

Export sound data

Difference between two cumulative frequency spectra

Resample a time wave

Fade in and fade out of a time wave

Itakuro-Saito distance

Kullback-Leibler distance

Dynamic sliding spectrogramn

Play a sound wave

Replace time wave data by 0 values

Generate rectangle pulse

Continuous spectral entropy

Calling song of the tree cricket Oecanthus pellucens

Convert sound pressure level in other units

Cut a frequency spectrum

Audacity audio markers import

Difference between two time waves

Short-term autocorrelation of a time wave

Difference between two amplitude envelopes

Set the amplitude envelope of a time wave to another one

Remove the offset of a time wave

Local maximum frequency peak detection

Kolmogorov-Smirnov distance

Frequency peak detection

A function to tentativily smooth a time wave

Roughness or total curvature

Time series discretisation

Root Mean Square

Difference between two frequency spectra

Similarity between two frequency spectra

Show a stereo time wave as oscillograms

Fourier transform windows

Spectral Flatness Measure

Linear Frequency Shift

Phase-phase 2D plot of a time wave

Phase-phase 2D or 3D plot of a time wave

Zero-crossing rate

Symbol analysis of a numeric (time) series

Synthesis of time wave (additive model)

Log-spectral distance

Long-term spectrogram

Instantaneous frequency of a time wave by zero-crossing

Draw the amplitude envelope of a time wave

Temporal entropy

Song of the cicada Cicada orni

Synthesis of time wave (tonal model)

Standard deviation of dB values

Remove the amplitude modulations of a time wave

Show a time wave as an oscillogram

Time reverse of a time wave

Audacity audio markers export

A quick look at quantitative data

Play a list of sound files

Shannon and Renyi spectral entropy

Zap silence periods of a time wave

Draw the amplitude profile of a frequency filter

Paste a time wave to another one

Rugosity of a time wave

Frequency bands plot

Instantaneous frequency

Pre-emphasis speech filter

wav-flac file conversion

Frequency spectrum of a time wave

Frequency of a muscical note

Save a .wav file

Mean frequency spectrum of a time wave

Mean of dB values

Inverse of the short-term Fourier transform

Waterfall display

seewave-internal

Internal Seewave Functions

Songmeter file diagnostics and diagram

Reading and interpreting SongMeter file name

3D-spectrogram of a time wave

Soundscape frequency spectrum of a time wave

Time measurements of a time wave

Sound analysis and synthesis

Song of the bird Zonotrichia capensis

Frequency square filter

2D-spectrogram of a time wave

Spectral properties

WAve length and SPeed of sound