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seewave (version 1.5.9)

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

3,000

Version

1.5.9

License

GPL (>= 2)

Maintainer

Jerome Sueur

Last Published

September 1st, 2010

Functions in seewave (1.5.9)

Amplitude filter

Add or insert a silence section

Resonance quality factor of a frequency spectrum

Amplitude modulation analysis of a time wave

Generate sound intensity attenuation data

Short-term autocorrelation of a time wave

2D-cepstrogram of a time wave

Continuous coherence function between two time waves

Coherence between two time waves

Cross-correlation between two frequency spectra

Covariance between two spectrograms

Convert sound pressure level in other units

Cepstrum or real cepstrum

Crest factor and visualization

Cut a frequency spectrum

Cut a section of a time wave

Continuous spectral entropy

dB colour scale for a spectrogram display

Cross-correlation between two time wave envelopes

Delete a section of a time wave

Difference between two frequency spectra

Difference between two amplitude envelopes

Time series discretisation

Dominant frequency of a time wave

Dynamic sliding spectrum

Difference between two time waves

Export sound data

Draw the amplitude envelope of a time wave

Fade in and fade out of a time wave

Frequency bands plot

Frequency filter

Frequency modulation analysis

Near field and far field limits

Finite Impulse Response filter

Frequency peak detection

Hilbert transform and analytic signal

Instantaneous frequency

Fundamental frequency track

Linear Frequency Shift

Fourier transform windows

Play a sound wave

Local maximum frequency peak detection

mean of dB values

Hertz / Mel conversion

Microphone sensitivity and conversion

Amplitude envelope of a time wave

Mean frequency spectrum of a time wave

Replace time wave data by 0 values

Addition of dB values

Show a time wave as an oscillogram

Show a stereo time wave as oscillograms

Paste a time wave to another one

Song of the cicada Cicada orni

Song of the bird Vanellus vanellus

Calling song of the tree cricket Oecanthus pellucens

Resample a time wave

Generate rectangle pulse

Time reverse of a time wave

Root Mean Square

Save a .wav file

Remove the offset of a time wave

Repeat a time wave

Rugosity of a time wave

seewave-internal

Internal Seewave Functions

A quick look at quantitative data

Set the amplitude envelope of a time wave to another one

Time wave analysis and graphical representation

Similarity between two frequency spectra

Frequency spectrum of a time wave

Spectral properties

Spectral Flatness Measure

3D-spectrogram of a time wave

2D-spectrogram of a time wave

Synthesis of time wave

Temporal entropy

Song of the bird Zonotrichia capensis

Symbol analysis of a numeric (time) series

wav-flac file conversion

Time measurements of a time wave

Instantaneous frequency of a time wave by zero-crossing

Zap silence periods of a time wave

WAve length and SPeed of sound

Waterfall display

Remove the amplitude modulations of a time wave

Spectral entropy