temporal_median(s[, mode, Nt]) |
Computes the median of the envelope of an audio signal. |
temporal_entropy(s[, compatibility, mode, Nt]) |
Computes the entropy of the envelope of an audio signal. |
acoustic_richness_index(Ht_array, M_array) |
Compute the acoustic richness index of an audio file. |
temporal_activity(s[, dB_threshold, mode, Nt]) |
Compute the acoustic activity index in temporal domain. |
temporal_events(s, fs[, dB_threshold, ...]) |
Compute the acoustic event index from an audio signal [R6d576de36602-1] [R6d576de36602-2]. |
acoustic_complexity_index(Sxx) |
Compute the Acoustic Complexity Index (ACI) from a spectrogram [R669a90ddf753-1]. |
frequency_entropy(X[, compatibility]) |
Computes the spectral entropy of a power spectral density (1d) or power spectrogram density (2d). |
number_of_peaks(X, fn[, mode, min_peak_val, ...]) |
Count the number of frequency peaks on a mean spectrum. |
spectral_entropy(Sxx, fn[, flim, display]) |
Compute different entropies based on the average spectrum, its variance, and its maxima [R1479941c7526-1] [R1479941c7526-2] |
spectral_activity(Sxx_dB[, dB_threshold]) |
Compute the acoustic activity on a spectrogram. |
spectral_events(Sxx_dB, dt[, dB_threshold, ...]) |
Compute acoustic events from a spectrogram [Rf0ffa84335f9-1] [Rf0ffa84335f9-2]. |
spectral_cover(Sxx, fn[, dB_threshold, ...]) |
Compute the proportion (cover) of the spectrogram above a threshold for three bandwidths : low frequency band (LF), medium frequency band (MF) and high frequency band (HF) [R1ef1ced9d4c7-1] [R1ef1ced9d4c7-2]. |
soundscape_index(Sxx_power, fn[, ...]) |
Compute the Normalized Difference Soundscape Index from a power spectrogram [Re8a3e6a1d49a-1]. |
bioacoustics_index(Sxx, fn[, flim, R_compatible]) |
Compute the Bioacoustics Index from a spectrogram [R4387573841e2-1]. |
acoustic_diversity_index(Sxx, fn[, fmin, ...]) |
Compute the Acoustic Diversity Index (ADI) from a spectrogram [R544b09b311be-1]. |
acoustic_eveness_index(Sxx, fn[, fmin, ...]) |
Compute the Acoustic Eveness Index (AEI) from a spectrogram [Re3dd41c8e02e-1]. |
roughness(x[, norm, axis]) |
Computes the roughness (depends on the number of peaks and their amplitude) of a vector or matrix x (i.e. |
temporal_leq(s, fs, gain[, Vadc, ...]) |
Computes the Equivalent Continuous Sound level (Leq) of an audio signal in the time domain. |
spectral_leq(X, gain[, Vadc, sensitivity, ...]) |
Computes the Equivalent Continuous Sound level (Leq) from a power spectrum (1d) or power spectrogram (2d). |
surface_roughness(x[, norm]) |
Compute the surface roughness index of a signal (1D) or a spectrogram (2D). |
tfsd(Sxx, fn, tn[, flim, log, mode, display]) |
Compute the Time frequency derivation index (tfsd) from a spectrogram. |
more_entropy(x[, order, axis]) |
Compute the entropy of an audio signal using multiple methods. |
acoustic_gradient_index(Sxx, dt[, order, ...]) |
Compute the Acoustic Gradient Index (AGI) from a raw spectrogram. |
frequency_raoq(S_power, fn[, bin_step]) |
Compute Rao's quadratic entropy on a power spectrum (1d). |
region_of_interest_index(Sxx_dB_noNoise, tn, fn) |
Compute an acoustic activity index based on the regions of interested detected on a spectrogram. |
all_temporal_alpha_indices(s, fs[, verbose, ...]) |
Compute 16 temporal domain acoustic indices. |
all_spectral_alpha_indices(Sxx_power, tn, fn) |
Computes the acoustic indices in spectral (spectrum (1d) or spectrogram (2d)) domain. |