seewave2.2.4 package

Crest factor and visualization

Continuous spectral entropy

Butterworth frequency filter

Continuous coherence function between two time waves

Cepstrum or real cepstrum

2D-cepstrogram of a time wave

Coherence between two time waves

Cut a frequency spectrum

Comb filter

Convert sound pressure level in other units

Cross-correlation between two time wave envelopes

Cross-correlation between two frequency spectra

Covariance between two spectrograms

Acoustic Complexity Index

Statistics on time and frequency STFT contours

Add or insert a silence section

Amplitude filter

Water tank minimum resonant and cutoff frequencies

Amplitude modulation analysis of a time wave

Acoustic Richness index

Generate sound intensity attenuation data

Reading and interpreting Audiomoth file name

Rename audiomoth files in a readable format

Short-term autocorrelation of a time wave

Beep sound

Cut a section of a time wave

dB colour scale for a spectrogram display

dB weightings

Delete a section of a time wave

Dominant frequency of a time wave

Difference between two cumulative frequency spectra

Difference between two amplitude envelopes

Difference between two frequency spectra

Difference between two time waves

Time series discretisation

Draw the amplitude envelope of a time wave

Draw the amplitude profile of a frequency filter

Duration of a time wave

Dynamic oscillogram

Dynamic sliding spectrum

Dynamic sliding spectrogramn

Echo generator

Amplitude envelope of a time wave

Export sound data

Fade in and fade out of a time wave

Frequency bands plot

Doppler effect

Frequency filter

Near field and far field limits

Finite Impulse Response filter

Frequency modulation analysis

Frequency peak detection

Fourier transform windows

Fundamental frequency track

Gammatone filter

2D-spectrogram of a time wave using ggplot2

Total entropy

Hilbert transform and analytic signal

Instantaneous frequency

Inverse of the short-term Fourier transform

Itakuro-Saito distance

Kullback-Leibler distance

Kolmogorov-Smirnov distance

Linear Frequency Shift

Play a sound wave

Local maximum frequency peak detection

Log-spectral distance

Long-term spectrogram

Median of the amplitude envelope

Mean of dB values

Mean frequency spectrum of a time wave

Hertz / Mel conversion

Mel-filter bank for MFCC computation

Microphone sensitivity and conversion

Addition of dB values

Replace time wave data by 0 values

Normalized Difference Soundscape Index

Generate noise

Frequency of a muscical note

Octave values

Show a time wave as an oscillogram

Oscillogram 'equalizer'

Show a stereo time wave as oscillograms

Paste a time wave to another one

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

Phase-phase 2D plot of a time wave

Play a list of sound files

Pre-emphasis speech filter

Generate rectangle pulse

Resonance quality factor of a frequency spectrum

Audacity audio markers import

Repeat a time wave

Resample a time wave

Time reverse of a time wave

Remove the amplitude modulations of a time wave

Remove noise

Remove the offset of a time wave

Root Mean Square

Roughness or total curvature

Rugosity of a time wave

Save a .wav file

Symbolic Aggregate approXimation

Soundcape chord diagram

Standard deviation of dB values

A quick look at quantitative data

Internal Seewave Functions

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 tentativily smooth a time wave

Reading and interpreting SongMeter file name

Songmeter file diagnostics and diagram

Soundscape frequency spectrum of a time wave

Calls SoX

Frequency spectrum of a time wave

Spectral flux

Spectral properties

2D-spectrogram of a time wave

3D-spectrogram of a time wave

Frequency square filter

Symbol analysis of a numeric (time) series

Synthesis of time wave (additive model)

Synthesis of time wave (tonal model)

normalized Time and Frequency Second Derivative

Temporal entropy

Time lapse

Time measurements of a time wave

Teager-Kaiser energy tracking operator

WAve length and SPeed of sound

Convert wave amplitude to instantaneous sound pressure level (dB SPL)

wav-flac file conversion

Convert wave amplitude to equivalent continuous sound pressure level (...

Waterfall display

Audacity audio markers export

Zap silence periods of a time wave

Instantaneous frequency of a time wave by zero-crossing

Zero-crossing rate