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Spectral kurtosis for audio signals and auditory ...
https://www.mathworks.com/help/audio/ref/spectralkurtosis.html
Calculate the kurtosis for 50 ms Hamming windows of data with 25 ms overlap. Use the range from 62.5 Hz to fs /2 for the kurtosis calculation. Plot the results. kurtosis = spectralKurtosis (audioIn,fs, ... 'Window' ,hamming (round (0.05*fs)), …
Kurtosis corrected sound pressure level as a noise metric ...
https://pubmed.ncbi.nlm.nih.gov/21428511/
The average SPL of the frequency components of the noise that define the hearing loss with a kurtosis correction term is identified as the best noise metric among tested. One of the investigated metrics, the kurtosis-corrected A-weighted SPL, is applied to a human exposure study data as a preview of applying the metrics to human guidelines.
Kurtosis level –incorporating additional information into ...
http://www.nhca.civicaconferences.com/wp-content/uploads/2019/03/Friday-1115-Zechmann_2019_Kurtosis_NHCA3-Read-Only.pdf
•Kurtosis level looks more like a single column as the white noise increases. Multimodal Mixture Distribution • Three acoustic energy sources • Sources appear at different times • Each source has a distinct kurtosis level profile • Kurtosis is the tendency to produce a single extreme outlier
[Dose-response relationship between noise kurtosis and ...
https://pubmed.ncbi.nlm.nih.gov/34365757/
The 8-hour continuous equivalent A sound level (L(Aeq, 8 h)) , cumulative noise exposure (CNE) and kurtosis structure indexes were calculated. The dose-response relationships between kurtosis and NIHL were analyzed by stratification analysis method, which controlled the influence of CNE, L(Aeq, 8 h), exposure duration, age and sex on hearing ...
Application of kurtosis to underwater sound: The Journal ...
https://asa.scitation.org/doi/10.1121/10.0001631
https://doi.org/10.1121/10.0001443) it was found that the effective signal duration (or kurtosis) results in a tighter relationship between sound exposure level (SEL) and sound pressure level (SPL), when SPL is determined over the effective signal duration, compared to when it is determined over the 90% duration.
DETECTING SPLICING IN DIGITAL AUDIOS USING LOCAL …
https://cse.buffalo.edu/~siweilyu/papers/icassp12.pdf
Fig. 1. Kurtosis profiles - kurtosis values (blue line) as a function of the component number, or frequency, of the 63 DCT AC filters for an audio from the TIMIT database. The red line corresponds to the mean of the kurtosis values, and the green lines correspond to the mean plus/minus standard deviation respectively. 4 (˙2)2-3, where ˙ 2 and
Random Vibration Kurtosis Control
https://vibrationresearch.com/wp-content/uploads/2018/04/SAVIAC2007Philadelphia.pdf
Kurtosis Level as shown here 30 40 Mean Minutes to Failure 10 20 The increased kurtosis level K = 7 K = 5 K = 3 0 Kurtosis Level dramatically decreased the mean time it took for the light bulbs to fail. Random Kurtosis Page 26 www.vibrationresearch.com October 2007 - …
Wei Qiu, William J. Murphy, and Alice Suter - …
https://acousticstoday.org/wp-content/uploads/2020/12/Kurtosis-A-New-Tool-for-Noise-Analysis-Wei-Qiu-William-J.-Murphy-and-Alice-Suter.pdf
function of increasing kurtosis at a noise exposure level of 100 dB(A), provides the answer. It is clear that these losses increase monotonically with increasing values of kurtosis in the range of 3 to 50, above which the hearing damage appears to plateau. Figure 3. The average percent outer hair cell loss of three
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