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2004

Skorovs, Peteris

Time-frequency representation of transient evoked otoacoustic emission Journal Article

In: Technology and Health Care, vol. 12, no. 2, pp. 200-201, 2004, ISSN: 0928-7329.

Links | BibTeX

@article{Skorovs2004,
title = {Time-frequency representation of transient evoked otoacoustic emission},
author = {Peteris Skorovs},
url = {https://content.iospress.com/articles/technology-and-health-care/thc00331},
issn = {0928-7329},
year = {2004},
date = {2004-01-01},
journal = {Technology and Health Care},
volume = {12},
number = {2},
pages = {200-201},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

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  • https://content.iospress.com/articles/technology-and-health-care/thc00331

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2003

Kuske, Sandra; Sokolovs, Janis; Skorovs, Peteris

Auditory neuropathy incidence in Latvia Inproceedings

In: Kise, Ligija; Sokolovs, Janis (Ed.): Proceedings of the 2nd Baltic Otorhinolaryngology conference and 1st Baltic meeting on Audiology, 6--8 June, 2002, Riga, Latvia, pp. 29–31, Association of Otolaryngologists of Latvia, Riga, 2003, ISBN: 9984528111.

BibTeX

@inproceedings{Kuske2003,
title = {Auditory neuropathy incidence in Latvia},
author = {Sandra Kuske and Janis Sokolovs and Peteris Skorovs},
editor = {Ligija Kise and Janis Sokolovs},
isbn = {9984528111},
year = {2003},
date = {2003-01-01},
booktitle = {Proceedings of the 2nd Baltic Otorhinolaryngology conference and 1st Baltic meeting on Audiology, 6--8 June, 2002, Riga, Latvia},
pages = {29--31},
publisher = {Association of Otolaryngologists of Latvia},
address = {Riga},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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Skorovs, Peteris

Time-frequency representation of transient evoked otoacoustic emission Inproceedings

In: Abstracts of the 7th Conference of the European Society for Engineering and Medicine (ESEM 2003), 18--21 September, 2003, Halle (Saale), Germany, Halle, 2003.

Abstract | BibTeX

@inproceedings{Skorovs2003,
title = {Time-frequency representation of transient evoked otoacoustic emission},
author = {Peteris Skorovs},
year = {2003},
date = {2003-01-01},
booktitle = {Abstracts of the 7th Conference of the European Society for Engineering and Medicine (ESEM 2003), 18--21 September, 2003, Halle (Saale), Germany},
address = {Halle},
abstract = {The recording of Transient Evoked Otoacoustic Emissions (TEOAEs) has become one of the most important clinical tests of the functionality of the inner ear, but up to now, TEOAEs analysis still relies mostly on a visual inspection of the signal in the time domain. Because of the non-stationary and non-linear nature of the TEOAEs, proper description of the TEOAEs requires simultaneous localization of signal’s structures in time and frequency domains. Existing methods of time-frequency representation of TEOAEs suffer from drawbacks such as limited time or frequency resolution and artefacts that make them impractical for practical use.
It will be presented a new method for TEOAEs analysis using recently proposed Hilbert-Huang transform (HHT). The method consists of the empirical mode decomposition (EMD), which is then decomposed into a set of intrinsic mode functions (IMFs). The Hilbert transforms can then be applied to the IMFs. The local energies and the instantaneous frequencies derived from the IMFs through Hilbert transforms can be used to construct a full energy-frequency-time distribution of the data.
The results obtained using the proposed method are compared to other time-frequency representations (short time Fourier transform, smoothed Wigner-Ville distribution and wavelet transform). The results show that the HHT method is superior to other time-frequency representations and gives the most precise definition of particular events in time-frequency space. The HHT is expected to be useful tool for analysing TEOAEs in a clinical practice.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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The recording of Transient Evoked Otoacoustic Emissions (TEOAEs) has become one of the most important clinical tests of the functionality of the inner ear, but up to now, TEOAEs analysis still relies mostly on a visual inspection of the signal in the time domain. Because of the non-stationary and non-linear nature of the TEOAEs, proper description of the TEOAEs requires simultaneous localization of signal’s structures in time and frequency domains. Existing methods of time-frequency representation of TEOAEs suffer from drawbacks such as limited time or frequency resolution and artefacts that make them impractical for practical use.
It will be presented a new method for TEOAEs analysis using recently proposed Hilbert-Huang transform (HHT). The method consists of the empirical mode decomposition (EMD), which is then decomposed into a set of intrinsic mode functions (IMFs). The Hilbert transforms can then be applied to the IMFs. The local energies and the instantaneous frequencies derived from the IMFs through Hilbert transforms can be used to construct a full energy-frequency-time distribution of the data.
The results obtained using the proposed method are compared to other time-frequency representations (short time Fourier transform, smoothed Wigner-Ville distribution and wavelet transform). The results show that the HHT method is superior to other time-frequency representations and gives the most precise definition of particular events in time-frequency space. The HHT is expected to be useful tool for analysing TEOAEs in a clinical practice.

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2002

Balodis, Aldis; Dekhtyar, Yuri; Kuske, Sandra; Skorovs, Peteris

Application of Hilbert spectral analysis to transient evoked otoacoustic emissions Inproceedings

In: Abstracts of International Scientific Conference "Biomedical Engineering and Microtechnologies" (BEAM 2002), 10–-14 October, 2002, Riga, Latvia, Riga, 2002.

Abstract | Links | BibTeX

@inproceedings{Balodis2002a,
title = {Application of Hilbert spectral analysis to transient evoked otoacoustic emissions},
author = {Aldis Balodis and Yuri Dekhtyar and Sandra Kuske and Peteris Skorovs},
url = {http://www.bimi.vip.lv/confer/Abstract.htm},
year = {2002},
date = {2002-01-01},
booktitle = {Abstracts of International Scientific Conference "Biomedical Engineering and Microtechnologies" (BEAM 2002), 10–-14 October, 2002, Riga, Latvia},
address = {Riga},
abstract = {The aim of this study is to evaluate the Time-Frequency properties of Transiently Evoked Otoacoustic Emissions (TEOAEs).
Hilbert Spectrum Analysis method was applied to obtain Time-Frequency representations from neonatal and children TEOAEs. It is argued that Hilbert Spectrum Analysis in comparison with other Time-Frequency methods is more appropriate, because of transient and non-stationary nature of TEOAEs.
Results indicate that Hilbert Spectrum Analysis gives the superior resolution and most detailed information from TEOAEs.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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The aim of this study is to evaluate the Time-Frequency properties of Transiently Evoked Otoacoustic Emissions (TEOAEs).
Hilbert Spectrum Analysis method was applied to obtain Time-Frequency representations from neonatal and children TEOAEs. It is argued that Hilbert Spectrum Analysis in comparison with other Time-Frequency methods is more appropriate, because of transient and non-stationary nature of TEOAEs.
Results indicate that Hilbert Spectrum Analysis gives the superior resolution and most detailed information from TEOAEs.

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  • http://www.bimi.vip.lv/confer/Abstract.htm

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Balodis, Aldis; Dekhtyar, Yuri; Kuske, Sandra; Skorovs, Peteris; Sokolovs, Janis

Effects from GSM cellular phones on hearing Inproceedings

In: Abstracts of International Scientific Conference "Biomedical Engineering and Microtechnologies" (BEAM 2002), 10--14 October, 2002, Riga, Latvia, Riga, 2002.

Abstract | Links | BibTeX

@inproceedings{Balodis2002b,
title = {Effects from GSM cellular phones on hearing},
author = {Aldis Balodis and Yuri Dekhtyar and Sandra Kuske and Peteris Skorovs and Janis Sokolovs},
url = {http://www.bimi.vip.lv/confer/Abstract.htm},
year = {2002},
date = {2002-01-01},
booktitle = {Abstracts of International Scientific Conference "Biomedical Engineering and Microtechnologies" (BEAM 2002), 10--14 October, 2002, Riga, Latvia},
address = {Riga},
abstract = {The objective of this study was to evaluate effects from GSM cellular phones electromagnetic radiation to peripheral auditory system.
Distortion product Otoacoustic Emissions (DPOAEs) was used because of their relation with function of peripheral auditory system. The results achieved demonstrate that electromagnetic fields from GSM cellular phones affect amplitude of DPOAEs.
The possible Electromagnetic Interference (EMI) effects on the measurement equipment are discussed.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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The objective of this study was to evaluate effects from GSM cellular phones electromagnetic radiation to peripheral auditory system.
Distortion product Otoacoustic Emissions (DPOAEs) was used because of their relation with function of peripheral auditory system. The results achieved demonstrate that electromagnetic fields from GSM cellular phones affect amplitude of DPOAEs.
The possible Electromagnetic Interference (EMI) effects on the measurement equipment are discussed.

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  • http://www.bimi.vip.lv/confer/Abstract.htm

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Dekhtyar, Yuri; Jezerska, Ilze; Kuske, Sandra; Skorovs, Peteris; Vetra, Janis; Zemite, Vineta

Otoacustic emission measurements of young musicians Inproceedings

In: Abstracts of International Scientific Conference "Biomedical Engineering and Microtechnologies" (BEAM 2002), 10--14 October, 2002, Riga, Latvia, Riga, 2002.

Abstract | Links | BibTeX

@inproceedings{Dekhtyar2002,
title = {Otoacustic emission measurements of young musicians},
author = {Yuri Dekhtyar and Ilze Jezerska and Sandra Kuske and Peteris Skorovs and Janis Vetra and Vineta Zemite},
url = {http://www.bimi.vip.lv/confer/Abstract.htm},
year = {2002},
date = {2002-01-01},
booktitle = {Abstracts of International Scientific Conference "Biomedical Engineering and Microtechnologies" (BEAM 2002), 10--14 October, 2002, Riga, Latvia},
address = {Riga},
abstract = {Otoacoustic emission (OAE) is a weak sound caused by motion of the eardrum in response to vibrations from the deep within the cochlea. OAE is a quick and non–invasive technology to evaluate inner hair cell function. The purpose of the work was to test hearing capabilities of young musicians. This was achieved by measurements of OAE tone and impedance audiometry. It was explored that OAE signals by musicians are similar to individuals working in high noise conditions. Therefore children have a greater risk of noise–induced hearing loss.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

Close

Otoacoustic emission (OAE) is a weak sound caused by motion of the eardrum in response to vibrations from the deep within the cochlea. OAE is a quick and non–invasive technology to evaluate inner hair cell function. The purpose of the work was to test hearing capabilities of young musicians. This was achieved by measurements of OAE tone and impedance audiometry. It was explored that OAE signals by musicians are similar to individuals working in high noise conditions. Therefore children have a greater risk of noise–induced hearing loss.

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  • http://www.bimi.vip.lv/confer/Abstract.htm

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Skorovs, Peteris; Kuske, Sandra

Stimulus-frequency otoacoustic emissions: application on Hilbert transform Inproceedings

In: Abstracts of Joint Baltic-Nordic Acoustical Meeting (B-NAM 2002), 26--28 August, 2002, Lyngby, Denmark, Lyngby, 2002.

BibTeX

@inproceedings{Skorovs2002c,
title = {Stimulus-frequency otoacoustic emissions: application on Hilbert transform},
author = {Peteris Skorovs and Sandra Kuske},
year = {2002},
date = {2002-01-01},
booktitle = {Abstracts of Joint Baltic-Nordic Acoustical Meeting (B-NAM 2002), 26--28 August, 2002, Lyngby, Denmark},
address = {Lyngby},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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Skorovs, Peteris; Kuske, Sandra; Sokolovs, Janis

A new analysis method of transient evoked otoacoustic emissions Inproceedings

In: Abstracts of 2nd Baltic Otorhinolaryngology conference and 1st Baltic meeting on Audiology, 6--8 June 2002, Riga, Latvia, pp. 38, Riga, 2002.

BibTeX

@inproceedings{Skorovs2002b,
title = {A new analysis method of transient evoked otoacoustic emissions},
author = {Peteris Skorovs and Sandra Kuske and Janis Sokolovs},
year = {2002},
date = {2002-01-01},
booktitle = {Abstracts of 2nd Baltic Otorhinolaryngology conference and 1st Baltic meeting on Audiology, 6--8 June 2002, Riga, Latvia},
pages = {38},
address = {Riga},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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Skorovs, Peteris; Dekhtyar, Yuri; Kuske, Sandra; Sokolovs, Janis

Evaluation of effects from GSM cellular phones to distortion product otoacoustic emissions Inproceedings

In: Abstracts of 2nd Baltic Otorhinolaryngology conference and 1st Baltic meeting on Audiology, 6--8 June 2002, Riga, Latvia, pp. 38, Riga, 2002.

BibTeX

@inproceedings{Skorovs2002a,
title = {Evaluation of effects from GSM cellular phones to distortion product otoacoustic emissions},
author = {Peteris Skorovs and Yuri Dekhtyar and Sandra Kuske and Janis Sokolovs},
year = {2002},
date = {2002-01-01},
booktitle = {Abstracts of 2nd Baltic Otorhinolaryngology conference and 1st Baltic meeting on Audiology, 6--8 June 2002, Riga, Latvia},
pages = {38},
address = {Riga},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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Kuske, Sandra; Sokolovs, Janis; Skorovs, Peteris; Jezerska, Ilze; Zemite, Vineta

Evaluation of hearing in young musicians Inproceedings

In: Abstracts of 2nd Baltic Otorhinolaryngology conference and 1st Baltic meeting on Audiology, 6--8 June 2002, Riga, Latvia, pp. 25, Riga, 2002.

BibTeX

@inproceedings{Kuske2002,
title = {Evaluation of hearing in young musicians},
author = {Sandra Kuske and Janis Sokolovs and Peteris Skorovs and Ilze Jezerska and Vineta Zemite},
year = {2002},
date = {2002-01-01},
booktitle = {Abstracts of 2nd Baltic Otorhinolaryngology conference and 1st Baltic meeting on Audiology, 6--8 June 2002, Riga, Latvia},
pages = {25},
address = {Riga},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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Skorovs, Peteris

Application of Hilbert spectral analysis to transient evoked otoacoustic emissions data Journal Article

In: Scientific Journal of Riga Technical University: Transport and Engineering, vol. 9, pp. 172–176, 2002, ISSN: 1407-8015.

Links | BibTeX

@article{Skorovs2002d,
title = {Application of Hilbert spectral analysis to transient evoked otoacoustic emissions data},
author = {Peteris Skorovs},
url = {https://ortus.rtu.lv/science/en/publications/2264-Application+of+Hilbert+Spectral+Analysis+to+Transient+Evoked+Otoacoustic+Emissions+Data},
issn = {1407-8015},
year = {2002},
date = {2002-01-01},
journal = {Scientific Journal of Riga Technical University: Transport and Engineering},
volume = {9},
pages = {172--176},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

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  • https://ortus.rtu.lv/science/en/publications/2264-Application+of+Hilbert+Spectra[...]

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Kuske, Sandra; Sokolovs, Janis; Skorovs, Peteris

Auditory neuropathy Journal Article

In: RSU Zinatniskie Raksti, pp. 105–108, 2002, ISSN: 1407-9453.

BibTeX

@article{Kuske2002b,
title = {Auditory neuropathy},
author = {Sandra Kuske and Janis Sokolovs and Peteris Skorovs},
issn = {1407-9453},
year = {2002},
date = {2002-01-01},
journal = {RSU Zinatniskie Raksti},
pages = {105--108},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

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2001

Skorovs, Peteris; Buller, Goetz

Model-based analysis of transient evoked otoacoustic emissions Inproceedings

In: Abstracts of the International Conference on Medical Physics and Engineering in Health Care jointly with 12th Congress of the Polish Society of Medical Physics, 18--20 October, 2001, Poznan, Poland, Poznan, 2001.

BibTeX

@inproceedings{Skorovs2001,
title = {Model-based analysis of transient evoked otoacoustic emissions},
author = {Peteris Skorovs and Goetz Buller},
year = {2001},
date = {2001-01-01},
booktitle = {Abstracts of the International Conference on Medical Physics and Engineering in Health Care jointly with 12th Congress of the Polish Society of Medical Physics, 18--20 October, 2001, Poznan, Poland},
address = {Poznan},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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1997

Skorovs, Peteris

Model of the Organ of Corti Inproceedings

In: Abstracts of the First Baltic States Conference "Medical Engineering and Medical Physics", 11--17 June, 1997, Riga, Latvia, Riga, 1997.

BibTeX

@inproceedings{Skorovs1997,
title = {Model of the Organ of Corti},
author = {Peteris Skorovs},
year = {1997},
date = {1997-01-01},
booktitle = {Abstracts of the First Baltic States Conference "Medical Engineering and Medical Physics", 11--17 June, 1997, Riga, Latvia},
address = {Riga},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}

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