The application of frequency and time domain kurtosis to the assessment of hazardous noise exposures
Five computer-synthesized broadband noises, each having the same average spectrum and the same unweighted Leq of 100 dB SPL but very different temporal structures, were used to produce hearing loss in chinchillas. Despite the same exposure energies and spectra, each noise exposure produced a differe...
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| Veröffentlicht in: | The Journal of the Acoustical Society of America 1994-09, Vol.96 (3), p.1435-1444 |
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| container_title | The Journal of the Acoustical Society of America |
| container_volume | 96 |
| creator | Lei, S F Ahroon, W A Hamernik, R P |
| description | Five computer-synthesized broadband noises, each having the same average spectrum and the same unweighted Leq of 100 dB SPL but very different temporal structures, were used to produce hearing loss in chinchillas. Despite the same exposure energies and spectra, each noise exposure produced a different magnitude and frequency distribution of hearing loss and sensory cell loss. The results indicate that the statistical properties of a signal are important in the determination of hearing loss. When the audiometric and histological results are compared to a metric based upon kurtosis measured in the time and the frequency domain for each exposure, there is a clear indication that these statistical metrics are good predictors of the relative magnitude and frequency distribution of the acoustic trauma. |
| doi_str_mv | 10.1121/1.410287 |
| format | Article |
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Despite the same exposure energies and spectra, each noise exposure produced a different magnitude and frequency distribution of hearing loss and sensory cell loss. The results indicate that the statistical properties of a signal are important in the determination of hearing loss. 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Despite the same exposure energies and spectra, each noise exposure produced a different magnitude and frequency distribution of hearing loss and sensory cell loss. The results indicate that the statistical properties of a signal are important in the determination of hearing loss. When the audiometric and histological results are compared to a metric based upon kurtosis measured in the time and the frequency domain for each exposure, there is a clear indication that these statistical metrics are good predictors of the relative magnitude and frequency distribution of the acoustic trauma.</description><subject>Animals</subject><subject>Audiometry</subject><subject>Auditory Perception</subject><subject>Auditory Threshold</subject><subject>Basilar Membrane - physiopathology</subject><subject>Chinchilla</subject><subject>Ear, Inner - physiopathology</subject><subject>Hearing Loss, Noise-Induced - diagnosis</subject><subject>Hearing Loss, Noise-Induced - etiology</subject><subject>Hearing Loss, Noise-Induced - physiopathology</subject><subject>Noise - adverse effects</subject><subject>Sound Spectrography</subject><issn>0001-4966</issn><issn>1520-8524</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kEtLw0AUhQdRaq2Cf0CYpZvUeSWZLKX4goKbug6TzB062mTi3AlYf70tKa4u5_Kds_gIueVsybngD3ypOBO6PCNznguW6VyoczJnjPFMVUVxSa4QPw8x17KakVlZFZKxck7sZgvUDMPOtyb50NPgqIvwPULf7qnpLU2-A2pDZ3xPv8aYAnqkKdB0LCICYgd9Ova25tdEG0akffAIFH6GgGMEvCYXzuwQbk53QT6enzar12z9_vK2elxnrSh1ykzLABqplNa20Bwqk1vIC2gZM86xw5PLRpTCaN7k0jWuEsqWGlRpHXCm5YLcT7ttDIgRXD1E35m4rzmrj55qXk-eDujdhA5j04H9B09i5B9uwGRX</recordid><startdate>19940901</startdate><enddate>19940901</enddate><creator>Lei, S F</creator><creator>Ahroon, W A</creator><creator>Hamernik, R P</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19940901</creationdate><title>The application of frequency and time domain kurtosis to the assessment of hazardous noise exposures</title><author>Lei, S F ; Ahroon, W A ; Hamernik, R P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c278t-ac0eeb34488d681e9a5de56ec00aff08d613b272a81b53fbf924d78e47dfe1083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Animals</topic><topic>Audiometry</topic><topic>Auditory Perception</topic><topic>Auditory Threshold</topic><topic>Basilar Membrane - physiopathology</topic><topic>Chinchilla</topic><topic>Ear, Inner - physiopathology</topic><topic>Hearing Loss, Noise-Induced - diagnosis</topic><topic>Hearing Loss, Noise-Induced - etiology</topic><topic>Hearing Loss, Noise-Induced - physiopathology</topic><topic>Noise - adverse effects</topic><topic>Sound Spectrography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lei, S F</creatorcontrib><creatorcontrib>Ahroon, W A</creatorcontrib><creatorcontrib>Hamernik, R P</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>The Journal of the Acoustical Society of America</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lei, S F</au><au>Ahroon, W A</au><au>Hamernik, R P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The application of frequency and time domain kurtosis to the assessment of hazardous noise exposures</atitle><jtitle>The Journal of the Acoustical Society of America</jtitle><addtitle>J Acoust Soc Am</addtitle><date>1994-09-01</date><risdate>1994</risdate><volume>96</volume><issue>3</issue><spage>1435</spage><epage>1444</epage><pages>1435-1444</pages><issn>0001-4966</issn><eissn>1520-8524</eissn><abstract>Five computer-synthesized broadband noises, each having the same average spectrum and the same unweighted Leq of 100 dB SPL but very different temporal structures, were used to produce hearing loss in chinchillas. Despite the same exposure energies and spectra, each noise exposure produced a different magnitude and frequency distribution of hearing loss and sensory cell loss. The results indicate that the statistical properties of a signal are important in the determination of hearing loss. When the audiometric and histological results are compared to a metric based upon kurtosis measured in the time and the frequency domain for each exposure, there is a clear indication that these statistical metrics are good predictors of the relative magnitude and frequency distribution of the acoustic trauma.</abstract><cop>United States</cop><pmid>7963007</pmid><doi>10.1121/1.410287</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0001-4966 |
| ispartof | The Journal of the Acoustical Society of America, 1994-09, Vol.96 (3), p.1435-1444 |
| issn | 0001-4966 1520-8524 |
| language | eng |
| recordid | cdi_crossref_primary_10_1121_1_410287 |
| source | MEDLINE; AIP Acoustical Society of America |
| subjects | Animals Audiometry Auditory Perception Auditory Threshold Basilar Membrane - physiopathology Chinchilla Ear, Inner - physiopathology Hearing Loss, Noise-Induced - diagnosis Hearing Loss, Noise-Induced - etiology Hearing Loss, Noise-Induced - physiopathology Noise - adverse effects Sound Spectrography |
| title | The application of frequency and time domain kurtosis to the assessment of hazardous noise exposures |
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