The role of time and place cues in the detection of frequency modulation by hearing-impaired listeners

Frequency modulation detection limens (FMDLs) were measured for five hearing-impaired (HI) subjects for carrier frequencies f c =1000, 4000, and 6000 Hz, using modulation frequencies f m =2 and 10 Hz and levels of 20 dB sensation level and 90 dB SPL. FMDLs were smaller for f m =10 than for f m =2 Hz...

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Veröffentlicht in:The Journal of the Acoustical Society of America 2012-06, Vol.131 (6), p.4722-4731
Hauptverfasser: Ernst, Stephan M. A., Moore, Brian C. J.
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description Frequency modulation detection limens (FMDLs) were measured for five hearing-impaired (HI) subjects for carrier frequencies f c =1000, 4000, and 6000 Hz, using modulation frequencies f m =2 and 10 Hz and levels of 20 dB sensation level and 90 dB SPL. FMDLs were smaller for f m =10 than for f m =2 Hz for the two higher f c , but not for f c =1000 Hz. FMDLs were also determined with additional random amplitude modulation (AM), to disrupt excitation-pattern cues. The disruptive effect was larger for f m =10 than for f m =2 Hz. The smallest disruption occurred for f m =2 Hz and f c =1000 Hz. AM detection thresholds for normal-hearing and HI subjects were measured for the same f c and f m values. Performance was better for the HI subjects for both f m . AM detection was much better for f m =10 than for f m =2 Hz. Additional tests showed that most HI subjects could discriminate temporal fine structure (TFS) at 800 Hz. The results are consistent with the idea that, for f m =2 Hz and f c =1000 Hz, frequency modulation (FM) detection was partly based on the use of TFS information. For higher carrier frequencies and for all carrier frequencies with f m =10 Hz, FM detection was probably based on place cues.
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A.</creatorcontrib><creatorcontrib>Moore, Brian C. J.</creatorcontrib><title>The role of time and place cues in the detection of frequency modulation by hearing-impaired listeners</title><title>The Journal of the Acoustical Society of America</title><addtitle>J Acoust Soc Am</addtitle><description>Frequency modulation detection limens (FMDLs) were measured for five hearing-impaired (HI) subjects for carrier frequencies f c =1000, 4000, and 6000 Hz, using modulation frequencies f m =2 and 10 Hz and levels of 20 dB sensation level and 90 dB SPL. FMDLs were smaller for f m =10 than for f m =2 Hz for the two higher f c , but not for f c =1000 Hz. FMDLs were also determined with additional random amplitude modulation (AM), to disrupt excitation-pattern cues. The disruptive effect was larger for f m =10 than for f m =2 Hz. The smallest disruption occurred for f m =2 Hz and f c =1000 Hz. AM detection thresholds for normal-hearing and HI subjects were measured for the same f c and f m values. Performance was better for the HI subjects for both f m . AM detection was much better for f m =10 than for f m =2 Hz. Additional tests showed that most HI subjects could discriminate temporal fine structure (TFS) at 800 Hz. The results are consistent with the idea that, for f m =2 Hz and f c =1000 Hz, frequency modulation (FM) detection was partly based on the use of TFS information. For higher carrier frequencies and for all carrier frequencies with f m =10 Hz, FM detection was probably based on place cues.</description><subject>Acoustic Stimulation</subject><subject>Aged</subject><subject>Analysis of Variance</subject><subject>Audition</subject><subject>Auditory Threshold - physiology</subject><subject>Biological and medical sciences</subject><subject>Case-Control Studies</subject><subject>Cues</subject><subject>Fundamental and applied biological sciences. 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J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c502t-f17b0f38f5298146fa42f9e89d32b728205a2b9cd246deccc46c937e249761b73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Acoustic Stimulation</topic><topic>Aged</topic><topic>Analysis of Variance</topic><topic>Audition</topic><topic>Auditory Threshold - physiology</topic><topic>Biological and medical sciences</topic><topic>Case-Control Studies</topic><topic>Cues</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hearing Loss - physiopathology</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Perception</topic><topic>Persons With Hearing Impairments</topic><topic>Pitch Discrimination - physiology</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. Psychophysiology</topic><topic>Sound Localization - physiology</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ernst, Stephan M. A.</creatorcontrib><creatorcontrib>Moore, Brian C. J.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Linguistics and Language Behavior Abstracts (LLBA)</collection><jtitle>The Journal of the Acoustical Society of America</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ernst, Stephan M. A.</au><au>Moore, Brian C. J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The role of time and place cues in the detection of frequency modulation by hearing-impaired listeners</atitle><jtitle>The Journal of the Acoustical Society of America</jtitle><addtitle>J Acoust Soc Am</addtitle><date>2012-06-01</date><risdate>2012</risdate><volume>131</volume><issue>6</issue><spage>4722</spage><epage>4731</epage><pages>4722-4731</pages><issn>0001-4966</issn><eissn>1520-8524</eissn><coden>JASMAN</coden><abstract>Frequency modulation detection limens (FMDLs) were measured for five hearing-impaired (HI) subjects for carrier frequencies f c =1000, 4000, and 6000 Hz, using modulation frequencies f m =2 and 10 Hz and levels of 20 dB sensation level and 90 dB SPL. FMDLs were smaller for f m =10 than for f m =2 Hz for the two higher f c , but not for f c =1000 Hz. FMDLs were also determined with additional random amplitude modulation (AM), to disrupt excitation-pattern cues. 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source MEDLINE; AIP Journals Complete; Alma/SFX Local Collection; AIP Acoustical Society of America
subjects Acoustic Stimulation
Aged
Analysis of Variance
Audition
Auditory Threshold - physiology
Biological and medical sciences
Case-Control Studies
Cues
Fundamental and applied biological sciences. Psychology
Hearing Loss - physiopathology
Humans
Male
Middle Aged
Perception
Persons With Hearing Impairments
Pitch Discrimination - physiology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Sound Localization - physiology
Time Factors
title The role of time and place cues in the detection of frequency modulation by hearing-impaired listeners
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