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seewave (version 1.4.9)

Time wave analysis and graphical representation

Description

seewave provides 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.

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Version

Install

install.packages('seewave')

Monthly Downloads

3,103

Version

1.4.9

License

GPL (>= 2)

Maintainer

Jerome Sueur

Last Published

August 19th, 2025

Functions in seewave (1.4.9)

Resonance quality factor of a frequency spectrum

Generate rectangle pulse

Difference between two time waves

Cut a section of a time wave

Remove the amplitude modulations of a time wave

Export sound data

2D-cepstrogram of a time wave

Time reverse of a time wave

Covariance between two spectrograms

Play a sound wave

Spectral properties

Show a time wave as an oscillogram

Draw the amplitude envelope of a time wave

Dynamic sliding spectrum

Replace time wave data by 0 values

Continuous coherence function between two time waves

Amplitude envelope of a time wave

Convert sound pressure level in other units

Coherence between two time waves

Mean frequency spectrum of a time wave

Dominant frequency of a time wave

Difference between two frequency spectra

Song of the bird Vanellus vanellus

Generate sound intensity attenuation data

Cross-correlation between two frequency spectra

dB colour scale for a spectrogram display

Fourier transform windows

3D-spectrogram of a time wave

Near field and far field limits

Short-term autocorrelation of a time wave

Amplitude filter

Continuous spectral entropy

Delete a section of a time wave

Set the amplitude envelope of a time wave to another one

Show a stereo time wave as oscillograms

Resample a time wave

Amplitude modulation analysis of a time wave

Frequency filter

2D-spectrogram of a time wave

Difference between two amplitude envelopes

Linear Frequency Shift

Paste a time wave to another one

Add or insert a silence section

Spectral Flatness Measure

Addition of dB values

Similarity between two frequency spectra

Calling song of the tree cricket Oecanthus pellucens

Hertz / Mel conversion

Cross-correlation between two time wave envelopes

Remove the offset of a time wave

Song of the bird Zonotrichia capensis

Instantaneous frequency of a time wave by zero-crossing

Temporal entropy

Instantaneous frequency

Repeat a time wave

Time measurements of a time wave

Fade in and fade out of a time wave

Frequency spectrum of a time wave

Zap silence periods of a time wave

Song of the cicada Cicada orni

Cepstrum or real cepstrum

Finite Impulse Response filter

Spectral entropy

Hilbert transform and analytic signal

WAve length and SPeed of sound

Synthesis of time wave

seewave-internal

Internal Seewave Functions

Time wave analysis and graphical representation

Fundamental frequency track

wav-flac file conversion