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- Acceptance of background noise (2)
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- Knowles Electronic Manikin for Acoustical Research (1)
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The Effects Of Asymmetric Directional Microphone Fittings On Acceptance Of Background Noise, Jong Sik Kim
The Effects Of Asymmetric Directional Microphone Fittings On Acceptance Of Background Noise, Jong Sik Kim
Doctoral Dissertations
The present study investigated the effects of asymmetric directional microphone fittings (i.e., an omnidirectional microphone on one ear and a directional microphone on the other) on speech understanding in noise and acceptance of background noise in 15 full-time hearing aid users. Subjects were fitted binaurally with four directional microphone conditions (i.e., binaural omnidirectional, asymmetric right directional, asymmetric left directional and binaural directional microphones) using Siemens Intuis directional behind-the-ear hearing aids and comply earmolds. The results revealed that speech understanding in noise improved when using asymmetric directional microphones compared to binaural omnidirectional microphone fittings and were not significantly hindered compared to …
Acceptable Noise Levels In Children Ages 10 To 11 Years And 14 To 15 Years, Krystal Sullivan Ware
Acceptable Noise Levels In Children Ages 10 To 11 Years And 14 To 15 Years, Krystal Sullivan Ware
Doctoral Dissertations
The present study measured acceptance of background noise in 35 children (age 10–11 and 14–15 years) with normal hearing sensitivity. Acceptance of background noise was measured using the acceptable noise level (ANL) procedure. To obtain an ANL, participants' MCL was first obtained using a running story. Then a competing stimulus (i.e., speech babble or speech spectrum noise) was introduced, and the listeners were asked to adjust the level of the background noise to the most he/she could put up with and follow the story for a long period of time. This level was called background noise level or BNL. The …
Subjective Versus Objective Hearing Screening Results Of Rural Elementary School-Aged Children, Meagan Chatelain Mcclure
Subjective Versus Objective Hearing Screening Results Of Rural Elementary School-Aged Children, Meagan Chatelain Mcclure
Doctoral Dissertations
The present study compared the pass/refer results of traditional ASHA recommended hearing screenings to transient evoked otoacoustic emissions (TEOAEs), distortion product otoacoustic emissions (DPOAEs), and screening tympanometry among young students at a rural, medically underserved population at an elementary school. Sixty-seven students (31 boys and 36 girls) from kindergarten to 3rd grade participated in this study. Ten were Hispanic and had English as a second language. Each child had his/her hearing screened at 500 Hz and by the ASHA recommended method for pure tone screenings and by TEOAEs and DPOAEs. Tympanometry was also performed on 53 students. The results revealed …
Dichotic Auditory Training In 6 To 15 Year Olds, Chasity M. Mccrum
Dichotic Auditory Training In 6 To 15 Year Olds, Chasity M. Mccrum
Doctoral Dissertations
The purpose of this study was to determine if participants with normal auditory processing skills would improve after receiving the Dichotic Auditory Training (DAT) when compared to a group of normal participants who only received pre- and post-testing. Twenty participants, age 6:0 to 15:11 years, participated in this study. A standard audiological evaluation was completed for each participant. Pretest and posttest were completed that included (1) DAT testing, (2) SCAN-C/A, (3) Staggered Spondaic Word test, and (4) Dichotic Digits (Single/Double). The results were analyzed for statistically significant differences between pre- and post-testing results and between groups. Any significant results …
Sound Pressure Levels Measured At Preferred Listening Levels Of Ipod Users Using Knowles Electronic Manikin For Acoustical Research, Ahmad Brandelle Alexander
Sound Pressure Levels Measured At Preferred Listening Levels Of Ipod Users Using Knowles Electronic Manikin For Acoustical Research, Ahmad Brandelle Alexander
Doctoral Dissertations
The present study (1) examined the sound pressure levels (SPLs) of iPod users and nonusers at preferred listening levels measured on Knowles Electronic Manikin for Acoustical Research (KEMAR), and (2) determined if those SPLs exceeded the OSHA standards for acceptable hearing levels. Forty subjects, divided into one of the four following groups participated in this study: (1) inexperienced males, (2) experienced males, (3) inexperienced females, or (4) experienced females. Each participant was asked to set the music stimuli to their preferred listening level while in the presence of background noise, simulating a real world listening environment. SPL values were then …