Stimulus-frequency otoacoustic emissions measured with amplitude-modulated suppressor tones (L)

Stephen T. Neely; Tiffany A. Johnson; Cassie A. Garner; Michael P. Gorga

doi:10.1121/1.2031969

Stimulus-frequency otoacoustic emissions measured with amplitude-modulated suppressor tones (L)

Stephen T. Neely, Tiffany A. Johnson, Cassie A. Garner, Michael P. Gorga

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Stimulus-frequency otoacoustic emissions (SFOAEs) are typically derived as the difference in sound pressure in the ear canal with and without a suppressor tone added to the probe tone. A novel variation of this method applies a sinusoidal amplitude modulation (AM) to the suppressor tone, which causes the SFOAE to also be modulated. The AM-SFOAE can be separated from the probe frequency using spectral methods. AM-SFOAE measurements are described for four normal-hearing subjects using 6-Hz AM. Because the suppressor modulation is at a higher rate, the AM-SFOAE technique avoids the confounding influence of heartbeat, which also modulates the probe tone.

Original language	English (US)
Pages (from-to)	2124-2127
Number of pages	4
Journal	Journal of the Acoustical Society of America
Volume	118
Issue number	4
DOIs	https://doi.org/10.1121/1.2031969
State	Published - Oct 2005

ASJC Scopus subject areas

Arts and Humanities (miscellaneous)
Acoustics and Ultrasonics

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10.1121/1.2031969

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title = "Stimulus-frequency otoacoustic emissions measured with amplitude-modulated suppressor tones (L)",

abstract = "Stimulus-frequency otoacoustic emissions (SFOAEs) are typically derived as the difference in sound pressure in the ear canal with and without a suppressor tone added to the probe tone. A novel variation of this method applies a sinusoidal amplitude modulation (AM) to the suppressor tone, which causes the SFOAE to also be modulated. The AM-SFOAE can be separated from the probe frequency using spectral methods. AM-SFOAE measurements are described for four normal-hearing subjects using 6-Hz AM. Because the suppressor modulation is at a higher rate, the AM-SFOAE technique avoids the confounding influence of heartbeat, which also modulates the probe tone.",

author = "Neely, {Stephen T.} and Johnson, {Tiffany A.} and Garner, {Cassie A.} and Gorga, {Michael P.}",

note = "Funding Information: This work was supported by Grant Nos. R01 DC2251, T32 DC0013, and P30 DC4662 from NIH-NIDCD. We thank Christopher Shera, Kim Shairer, and an anonymous reviewer for many helpful suggestions.",

year = "2005",

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doi = "10.1121/1.2031969",

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T1 - Stimulus-frequency otoacoustic emissions measured with amplitude-modulated suppressor tones (L)

AU - Neely, Stephen T.

AU - Johnson, Tiffany A.

AU - Garner, Cassie A.

AU - Gorga, Michael P.

N1 - Funding Information: This work was supported by Grant Nos. R01 DC2251, T32 DC0013, and P30 DC4662 from NIH-NIDCD. We thank Christopher Shera, Kim Shairer, and an anonymous reviewer for many helpful suggestions.

PY - 2005/10

Y1 - 2005/10

N2 - Stimulus-frequency otoacoustic emissions (SFOAEs) are typically derived as the difference in sound pressure in the ear canal with and without a suppressor tone added to the probe tone. A novel variation of this method applies a sinusoidal amplitude modulation (AM) to the suppressor tone, which causes the SFOAE to also be modulated. The AM-SFOAE can be separated from the probe frequency using spectral methods. AM-SFOAE measurements are described for four normal-hearing subjects using 6-Hz AM. Because the suppressor modulation is at a higher rate, the AM-SFOAE technique avoids the confounding influence of heartbeat, which also modulates the probe tone.

AB - Stimulus-frequency otoacoustic emissions (SFOAEs) are typically derived as the difference in sound pressure in the ear canal with and without a suppressor tone added to the probe tone. A novel variation of this method applies a sinusoidal amplitude modulation (AM) to the suppressor tone, which causes the SFOAE to also be modulated. The AM-SFOAE can be separated from the probe frequency using spectral methods. AM-SFOAE measurements are described for four normal-hearing subjects using 6-Hz AM. Because the suppressor modulation is at a higher rate, the AM-SFOAE technique avoids the confounding influence of heartbeat, which also modulates the probe tone.

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Stimulus-frequency otoacoustic emissions measured with amplitude-modulated suppressor tones (L)

Abstract

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