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seewave (version 1.6.4)

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

1.6.4

License

GPL (>= 2)

Maintainer

Jerome Sueur

Last Published

June 28th, 2012

Functions in seewave (1.6.4)

H

Total entropy
afilter

Amplitude filter
ama

Amplitude modulation analysis of a time wave
addsilw

Add or insert a silence section
attenuation

Generate sound intensity attenuation data
ccoh

Continuous coherence function between two time waves
ceps

Cepstrum or real cepstrum
coh

Coherence between two time waves
convSPL

Convert sound pressure level in other units
corspec

Cross-correlation between two frequency spectra
cepstro

2D-cepstrogram of a time wave
crest

Crest factor and visualization
cutspec

Cut a frequency spectrum
csh

Continuous spectral entropy
cutw

Cut a section of a time wave
dBscale

dB colour scale for a spectrogram display
dfreq

Dominant frequency of a time wave
deletew

Delete a section of a time wave
diffenv

Difference between two amplitude envelopes
diffspec

Difference between two frequency spectra
dBweight

dB weightings
discrets

Time series discretisation
drawenv

Draw the amplitude envelope of a time wave
dynoscillo

Dynamic oscillogram
env

Amplitude envelope of a time wave
diffwave

Difference between two time waves
export

Export sound data
dynspec

Dynamic sliding spectrum
echo

Echo generator
fdoppler

Doppler effect
Q

Resonance quality factor of a frequency spectrum
fir

Finite Impulse Response filter
fbands

Frequency bands plot
field

Near field and far field limits
fma

Frequency modulation analysis
fadew

Fade in and fade out of a time wave
fpeaks

Frequency peak detection
hilbert

Hilbert transform and analytic signal
kl.dist

Kullback-Leibler distance
ffilter

Frequency filter
lfs

Linear Frequency Shift
fund

Fundamental frequency track
ifreq

Instantaneous frequency
listen

Play a sound wave
ks.dist

Kolmogorov-Smirnov distance
localpeaks

Local maximum frequency peak detection
autoc

Short-term autocorrelation of a time wave
itakura.dist

Itakuro-Saito distance
meanspec

Mean frequency spectrum of a time wave
covspectro

Covariance between two spectrograms
meandB

mean of dB values
ftwindow

Fourier transform windows
moredB

Addition of dB values
noisew

Generate noise
mel

Hertz / Mel conversion
logspec.dist

Log-spectral distance
micsens

Microphone sensitivity and conversion
mutew

Replace time wave data by 0 values
pastew

Paste a time wave to another one
peewit

Song of the bird Vanellus vanellus
oscilloST

Show a stereo time wave as oscillograms
oscillo

Show a time wave as an oscillogram
orni

Song of the cicada Cicada orni
phaseplot

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

Repeat a time wave
pellucens

Calling song of the tree cricket Oecanthus pellucens
resamp

Resample a time wave
revw

Time reverse of a time wave
octaves

Octave values
rmnoise

Remove noise
roughness

Roughness or total curvature
rms

Root Mean Square
rmam

Remove the amplitude modulations of a time wave
rugo

Rugosity of a time wave
rmoffset

Remove the offset of a time wave
seewave-internal

Internal Seewave Functions
savewav

Save a .wav file
seedata

A quick look at quantitative data
setenv

Set the amplitude envelope of a time wave to another one
pulse

Generate rectangle pulse
sh

Shannon and Renyi spectral entropy
simspec

Similarity between two frequency spectra
seewave

Time wave analysis and graphical representation
sfm

Spectral Flatness Measure
smoothw

A function to tentavily smooth a time wave
specprop

Spectral properties
sheep

Sheep bleat
spec

Frequency spectrum of a time wave
notefreq

Frequency of a muscical note
spectro3D

3D-spectrogram of a time wave
spectro

2D-spectrogram of a time wave
symba

Symbol analysis of a numeric (time) series
th

Temporal entropy
wasp

WAve length and SPeed of sound
wf

Waterfall display
synth

Synthesis of time wave
zc

Instantaneous frequency of a time wave by zero-crossing
wav2flac

wav-flac file conversion
zapsilw

Zap silence periods of a time wave
stft.ext

Short-term Fourier transform using fftw and libsndfile C libraries
timer

Time measurements of a time wave
tico

Song of the bird Zonotrichia capensis
corenv

Cross-correlation between two time wave envelopes