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seewave (version 1.5.5)

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

3,671

Version

1.5.5

License

GPL (>= 2)

Maintainer

Jerome Sueur

Last Published

June 26th, 2009

Functions in seewave (1.5.5)

Difference between two frequency spectra

Resonance quality factor of a frequency spectrum

Difference between two time waves

Covariance between two spectrograms

Fundamental frequency track

Play a sound wave

Hertz / Mel conversion

Instantaneous frequency

Show a time wave as an oscillogram

Remove the offset of a time wave

Draw the amplitude envelope of a time wave

Spectral entropy

Cepstrum or real cepstrum

Spectral properties

dB colour scale for a spectrogram display

2D-cepstrogram of a time wave

Waterfall display

Cross-correlation between two time wave envelopes

Difference between two amplitude envelopes

Frequency filter

Addition of dB values

Song of the bird Vanellus vanellus

Temporal entropy

Cut a section of a time wave

Cut a frequency spectrum

Delete a section of a time wave

Frequency modulation analysis

Generate rectangle pulse

Song of the cicada Cicada orni

Crest factor and visualization

Time measurements of a time wave

Resample a time wave

Mean frequency spectrum of a time wave

Time reverse of a time wave

Amplitude envelope of a time wave

Dominant frequency of a time wave

Fourier transform windows

Replace time wave data by 0 values

Calling song of the tree cricket Oecanthus pellucens

Amplitude modulation analysis of a time wave

Short-term autocorrelation of a time wave

Export sound data

Linear Frequency Shift

Frequency spectrum of a time wave

Symbol analysis of a numeric (time) series

Show a stereo time wave as oscillograms

Remove the amplitude modulations of a time wave

Hilbert transform and analytic signal

Continuous spectral entropy

Microphone sensitivity and conversion

Paste a time wave to another one

Spectral Flatness Measure

Similarity between two frequency spectra

3D-spectrogram of a time wave

Add or insert a silence section

Convert sound pressure level in other units

Cross-correlation between two frequency spectra

2D-spectrogram of a time wave

Song of the bird Zonotrichia capensis

Amplitude filter

Continuous coherence function between two time waves

Coherence between two time waves

Generate sound intensity attenuation data

Finite Impulse Response filter

Time series discretisation

Root Mean Square

Time wave analysis and graphical representation

wav-flac file conversion

Synthesis of time wave