Sound Analysis and Synthesis

ACI | Acoustic Complexity Index |

acoustat | Statistics on time and frequency STFT contours |

addsilw | Add or insert a silence section |

afilter | Amplitude filter |

akamatsu | Water tank minimum resonant and cutoff frequencies |

ama | Amplitude modulation analysis of a time wave |

AR | Acoustic Richness index |

attenuation | Generate sound intensity attenuation data |

autoc | Short-term autocorrelation of a time wave |

bwfilter | Butterworth frequency filter |

ccoh | Continuous coherence function between two time waves |

ceps | Cepstrum or real cepstrum |

cepstro | 2D-cepstrogram of a time wave |

coh | Coherence between two time waves |

combfilter | Comb filter |

convSPL | Convert sound pressure level in other units |

corenv | Cross-correlation between two time wave envelopes |

corspec | Cross-correlation between two frequency spectra |

covspectro | Covariance between two spectrograms |

crest | Crest factor and visualization |

csh | Continuous spectral entropy |

cutspec | Cut a frequency spectrum |

cutw | Cut a section of a time wave |

dBscale | dB colour scale for a spectrogram display |

dBweight | dB weightings |

deletew | Delete a section of a time wave |

dfreq | Dominant frequency of a time wave |

diffcumspec | Difference between two cumulative frequency spectra |

diffenv | Difference between two amplitude envelopes |

diffspec | Difference between two frequency spectra |

diffwave | Difference between two time waves |

discrets | Time series discretisation |

drawenv | Draw the amplitude envelope of a time wave |

drawfilter | Draw the amplitude profile of a frequency filter |

duration | Duration of a time wave |

dynoscillo | Dynamic oscillogram |

dynspec | Dynamic sliding spectrum |

dynspectro | Dynamic sliding spectrogramn |

echo | Echo generator |

env | Amplitude envelope of a time wave |

export | Export sound data |

fadew | Fade in and fade out of a time wave |

fbands | Frequency bands plot |

fdoppler | Doppler effect |

ffilter | Frequency filter |

field | Near field and far field limits |

fir | Finite Impulse Response filter |

fma | Frequency modulation analysis |

fpeaks | Frequency peak detection |

ftwindow | Fourier transform windows |

fund | Fundamental frequency track |

ggspectro | 2D-spectrogram of a time wave using ggplot2 |

H | Total entropy |

hilbert | Hilbert transform and analytic signal |

ifreq | Instantaneous frequency |

istft | Inverse of the short-term Fourier transform |

itakura.dist | Itakuro-Saito distance |

kl.dist | Kullback-Leibler distance |

ks.dist | Kolmogorov-Smirnov distance |

lfs | Linear Frequency Shift |

listen | Play a sound wave |

localpeaks | Local maximum frequency peak detection |

logspec.dist | Log-spectral distance |

M | Median of the amplitude envelope |

meandB | Mean of dB values |

meanspec | Mean frequency spectrum of a time wave |

mel | Hertz / Mel conversion |

melfilterbank | Mel-filter bank for MFCC computation |

micsens | Microphone sensitivity and conversion |

moredB | Addition of dB values |

mutew | Replace time wave data by 0 values |

NDSI | Normalized Difference Soundscape Index |

noisew | Generate noise |

notefreq | Frequency of a muscical note |

octaves | Octave values |

orni | Song of the cicada Cicada orni |

oscillo | Show a time wave as an oscillogram |

oscilloST | Show a stereo time wave as oscillograms |

pastew | Paste a time wave to another one |

peewit | Song of the bird Vanellus vanellus |

pellucens | Calling song of the tree cricket Oecanthus pellucens |

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

phaseplot2 | Phase-phase 2D plot of a time wave |

playlist | Play a list of sound files |

preemphasis | Pre-emphasis speech filter |

pulsew | Generate rectangle pulse |

Q | Resonance quality factor of a frequency spectrum |

repw | Repeat a time wave |

resamp | Resample a time wave |

revw | Time reverse of a time wave |

rmam | Remove the amplitude modulations of a time wave |

rmnoise | Remove noise |

rmoffset | Remove the offset of a time wave |

rms | Root Mean Square |

roughness | Roughness or total curvature |

rugo | Rugosity of a time wave |

savewav | Save a .wav file |

SAX | Symbolic Aggregate approXimation |

sddB | Standard deviation of dB values |

seedata | A quick look at quantitative data |

seewave.internal | Internal Seewave Functions |

seewave.package | Sound analysis and synthesis |

setenv | Set the amplitude envelope of a time wave to another one |

sfm | Spectral Flatness Measure |

sh | Shannon and Renyi spectral entropy |

sheep | Sheep bleat |

simspec | Similarity between two frequency spectra |

smoothw | A function to tentativily smooth a time wave |

songmeter | Reading and interpreting SongMeter file name |

soundscapespec | Soundscape frequency spectrum of a time wave |

sox | Calls SoX |

spec | Frequency spectrum of a time wave |

specprop | Spectral properties |

spectro | 2D-spectrogram of a time wave |

spectro3D | 3D-spectrogram of a time wave |

squarefilter | Frequency square filter |

stft.ext | Short-term Fourier transform using fftw and libsndfile C... |

symba | Symbol analysis of a numeric (time) series |

synth | Synthesis of time wave (additive model) |

synth2 | Synthesis of time wave (tonal model) |

th | Temporal entropy |

tico | Song of the bird Zonotrichia capensis |

timer | Time measurements of a time wave |

TKEO | Teager-Kaiser energy tracking operator |

wasp | WAve length and SPeed of sound |

wav2flac | wav-flac file conversion |

wf | Waterfall display |

zapsilw | Zap silence periods of a time wave |

zc | Instantaneous frequency of a time wave by zero-crossing |

zcr | Zero-crossing rate |

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