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seewave (version 1.7.0)

Sound analysis and synthesis

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

1.7.0

License

GPL (>= 2)

Maintainer

Jerome Sueur

Last Published

July 12th, 2013

Functions in seewave (1.7.0)

Resonance quality factor of a frequency spectrum

Acoustic Complexity Index

Add or insert a silence section

Amplitude modulation analysis of a time wave

Amplitude filter

Continuous coherence function between two time waves

Short-term autocorrelation of a time wave

Cepstrum or real cepstrum

2D-cepstrogram of a time wave

Cross-correlation between two time wave envelopes

Convert sound pressure level in other units

Coherence between two time waves

Cross-correlation between two frequency spectra

Crest factor and visualization

Covariance between two spectrograms

Cut a frequency spectrum

dB colour scale for a spectrogram display

Delete a section of a time wave

Continuous spectral entropy

Difference between two frequency spectra

Dynamic oscillogram

Time series discretisation

Cut a section of a time wave

Draw the amplitude envelope of a time wave

Difference between two time waves

Dynamic sliding spectrum

Generate sound intensity attenuation data

Export sound data

Difference between two amplitude envelopes

Dominant frequency of a time wave

Fade in and fade out of a time wave

Amplitude envelope of a time wave

Fourier transform windows

Near field and far field limits

Frequency peak detection

Frequency modulation analysis

Finite Impulse Response filter

Frequency bands plot

Frequency filter

Fundamental frequency track

Itakuro-Saito distance

2D-spectrogram of a time wave using ggplot2

Kullback-Leibler distance

Instantaneous frequency

Hilbert transform and analytic signal

Linear Frequency Shift

Mean of dB values

Kolmogorov-Smirnov distance

Log-spectral distance

Microphone sensitivity and conversion

Replace time wave data by 0 values

Addition of dB values

Mean frequency spectrum of a time wave

Show a time wave as an oscillogram

Frequency of a muscical note

Local maximum frequency peak detection

Calling song of the tree cricket Oecanthus pellucens

Paste a time wave to another one

Song of the bird Vanellus vanellus

Song of the cicada Cicada orni

Hertz / Mel conversion

Play a sound wave

Repeat a time wave

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

Generate rectangle pulse

Remove the amplitude modulations of a time wave

Roughness or total curvature

Remove the offset of a time wave

Root Mean Square

Standard deviation of dB values

Save a .wav file

Rugosity of a time wave

seewave-internal

Internal Seewave Functions

A quick look at quantitative data

Resample a time wave

Time reverse of a time wave

Show a stereo time wave as oscillograms

Play a list of sound files

Sound analysis and synthesis

Set the amplitude envelope of a time wave to another one

Spectral Flatness Measure

Shannon and Renyi spectral entropy

Similarity between two frequency spectra

A function to tentavily smooth a time wave

Frequency spectrum of a time wave

Spectral properties

2D-spectrogram of a time wave

3D-spectrogram of a time wave

Short-term Fourier transform using fftw and libsndfile C libraries

Temporal entropy

Synthesis of time wave (additive model)

Song of the bird Zonotrichia capensis

Synthesis of time wave (tonal model)

Time measurements of a time wave

Symbol analysis of a numeric (time) series

WAve length and SPeed of sound

Waterfall display

Zap silence periods of a time wave

Instantaneous frequency of a time wave by zero-crossing

wav-flac file conversion